Spatial heterogeneity and seasonal evolution of surface properties and radiative fluxes of Arctic sea ice

In recent years, the Arctic sea ice has experienced a significant decline, characterised by the smaller extent, longer melt season, and a shift from thick multi-year ice to thinner first-year ice. As a result, more solar radiative energy is deposited into the Arctic sea ice and the ocean underneath, further enhancing sea ice melt and ocean heat. When the Arctic is transitioning from melt onset to freeze onset, the sea ice surface spatial variability becomes stronger, altering the spatial distribution of radiative energy deposition. Understanding the seasonal evolution and spatial variability of solar radiative fluxes is a key step to broadening our knowledge of the changing Arctic sea ice. In this thesis, I investigate the year-round changes in solar radiative fluxes within the Arctic sea ice, both temporally and spatially. I examine the changes in optical properties during the Multidisciplinary drifting Observatory for the Study of Arctic Climate expedition (MOSAiC) in 2020. This thesis utilises a wide range of sensors and platforms, ranging from long-term continuous point measurement, to weekly under-ice mapping of light field, and to ice-floe size parameterization. This thesis highlights the spatial variability of the solar radiative fluxes of Arctic sea ice: under the same atmospheric condition and located on the same ice floe, different locations show highly variable evolution. The largest variability is in the middle of the melt season, due to the changing melt pond coverage and status. The sea ice types and surface conditions are crucial for the sea ice energy budget, thus further controlling the melting process. This thesis provides a comprehensive 3-dimensional view of the sea ice radiative fluxes and improves the parameterization of sea ice optical properties. Also, by investigating the effects of spatial surface variability, which is a function of time and area, this thesis guides future observations of the new Arctic sea ice regime. This study bridges in-situ observation to floe-size parameterisation, advances our understanding of the upscaling of solar radiative energy fluxes both onto and through the Arctic sea ice, and deepens our understanding of the impact of sea ice heterogeneity on the large-scale energy budget of the melting Arctic sea ice. Ausführliche Beschreibung

Gespeichert in:

Autor*in:	Tao, Ran [verfasserIn] Nicolaus, Marcel [akademischer betreuerIn] Katlein, Christian - 1986- [akademischer betreuerIn] Haas, Christian [akademischer betreuerIn] Kanzow, Torsten - 1971- [akademischer betreuerIn] Spreen, Gunnar [akademischer betreuerIn] Lämmerzahl, Claus - 1956- [akademischer betreuerIn]
Körperschaften:	Universität Bremen [Grad-verleihende Institution]
Hochschulschrift:	Dissertation ; Universität Bremen ; 2024

Format:	E-Book
Sprache:	Englisch

Erschienen:	Bremen: 2024

Rechteinformationen:	Open Access Namensnennung 4.0 International ; CC BY 4.0

Schlagwörter:	Arctic sea ice sea ice optics sea ice albedo and transmittance
Formangabe:	Hochschulschrift

Umfang:	1 Online-Ressource (V, 159 Seiten) ; Illustrationen

Weitere Ausgabe:	Erscheint auch als Druck-Ausgabe Tao, Ran: Spatial heterogeneity and seasonal evolution of surface properties and radiative fluxes of Arctic sea ice - Bremen, 2024

Links:	Link aufrufen Link aufrufen Link aufrufen Link aufrufen Link aufrufen

DOI / URN:	urn:nbn:de:gbv:46-elib80473 10.26092/elib/3081

Katalog-ID:	1896932355

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Indexfelder

author_variant	r t rt
matchkey_str	taorannicolausmarcelkatleinchristianhaas:2024----:ptahtrgniynsaoaeouinfufcpoeteadai
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allfields	urn:nbn:de:gbv:46-elib80473 urn 10.26092/elib/3081 doi (DE-627)1896932355 (DE-599)KXP1896932355 (OCoLC)1450352371 (OAEPFHB)elib/3081 DE-627 ger DE-627 rda eng XA-DE-HB 551.34 DE-101 550 DE-101 Tao, Ran verfasserin (orcid)0000-0002-6690-9212 aut Spatial heterogeneity and seasonal evolution of surface properties and radiative fluxes of Arctic sea ice by Ran Tao Bremen [2024] 1 Online-Ressource (V, 159 Seiten) Illustrationen Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Dissertation Universität Bremen 2024 DE-46 Open Access Controlled Vocabulary for Access Rights http://purl.org/coar/access_right/c_abf2 In recent years, the Arctic sea ice has experienced a significant decline, characterised by the smaller extent, longer melt season, and a shift from thick multi-year ice to thinner first-year ice. As a result, more solar radiative energy is deposited into the Arctic sea ice and the ocean underneath, further enhancing sea ice melt and ocean heat. When the Arctic is transitioning from melt onset to freeze onset, the sea ice surface spatial variability becomes stronger, altering the spatial distribution of radiative energy deposition. Understanding the seasonal evolution and spatial variability of solar radiative fluxes is a key step to broadening our knowledge of the changing Arctic sea ice. In this thesis, I investigate the year-round changes in solar radiative fluxes within the Arctic sea ice, both temporally and spatially. I examine the changes in optical properties during the Multidisciplinary drifting Observatory for the Study of Arctic Climate expedition (MOSAiC) in 2020. This thesis utilises a wide range of sensors and platforms, ranging from long-term continuous point measurement, to weekly under-ice mapping of light field, and to ice-floe size parameterization. This thesis highlights the spatial variability of the solar radiative fluxes of Arctic sea ice: under the same atmospheric condition and located on the same ice floe, different locations show highly variable evolution. The largest variability is in the middle of the melt season, due to the changing melt pond coverage and status. The sea ice types and surface conditions are crucial for the sea ice energy budget, thus further controlling the melting process. This thesis provides a comprehensive 3-dimensional view of the sea ice radiative fluxes and improves the parameterization of sea ice optical properties. Also, by investigating the effects of spatial surface variability, which is a function of time and area, this thesis guides future observations of the new Arctic sea ice regime. This study bridges in-situ observation to floe-size parameterisation, advances our understanding of the upscaling of solar radiative energy fluxes both onto and through the Arctic sea ice, and deepens our understanding of the impact of sea ice heterogeneity on the large-scale energy budget of the melting Arctic sea ice. DE-46 Namensnennung 4.0 International CC BY 4.0 cc https://creativecommons.org/licenses/by/4.0/ Archivierung/Langzeitarchivierung gewährleistet PEHB pdager DE-46 Arctic sea ice sea ice optics sea ice albedo and transmittance Hochschulschrift (DE-588)4113937-9 (DE-627)105825778 (DE-576)209480580 gnd-content Nicolaus, Marcel akademischer betreuerin (DE-588)132351250 (DE-627)522694063 (DE-576)299091880 dgs Katlein, Christian 1986- akademischer betreuerin (DE-588)1025860411 (DE-627)725679476 (DE-576)370523229 dgs Haas, Christian akademischer betreuerin dgs Kanzow, Torsten 1971- akademischer betreuerin (DE-588)129630772 (DE-627)475215435 (DE-576)297757857 dgs Spreen, Gunnar akademischer betreuerin (DE-588)13614439X (DE-627)57719111X (DE-576)300857667 dgs Lämmerzahl, Claus 1956- akademischer betreuerin (DE-588)12251923X (DE-627)08199219X (DE-576)161885985 dgs Universität Bremen Grad-verleihende Institution (DE-588)2001386-3 (DE-627)101380429 (DE-576)191575038 dgg Bremen (DE-588)4008135-7 (DE-627)106369636 (DE-576)208874569 uvp Erscheint auch als Druck-Ausgabe Tao, Ran Spatial heterogeneity and seasonal evolution of surface properties and radiative fluxes of Arctic sea ice Bremen, 2024 V, 159 Seiten (DE-627)189693269X https://doi.org/10.26092/elib/3081 Resolving-System kostenfrei https://nbn-resolving.org/urn:nbn:de:gbv:46-elib80473 Resolving-System kostenfrei https://d-nb.info/1339513064/34 Langzeitarchivierung Nationalbibliothek kostenfrei https://media.suub.uni-bremen.de/handle/elib/8047 Verlag kostenfrei GBV-ODiss GBV_ILN_20 ISIL_DE-84 SYSFLAG_1 GBV_KXP GBV_ILN_21 ISIL_DE-46 GBV_ILN_22 ISIL_DE-18 GBV_ILN_23 ISIL_DE-830 GBV_ILN_30 ISIL_DE-104 GBV_ILN_40 ISIL_DE-7 GBV_ILN_60 ISIL_DE-705 GBV_ILN_63 ISIL_DE-Wim2 GBV_ILN_70 ISIL_DE-89 GBV_ILN_105 ISIL_DE-841 GBV_ILN_110 ISIL_DE-Luen4 GBV_ILN_132 ISIL_DE-959 GBV_ILN_151 ISIL_DE-546 GBV_ILN_161 ISIL_DE-960 GBV_ILN_293 ISIL_DE-960-3 GBV_ILN_370 ISIL_DE-1373 GBV_ILN_2403 ISIL_DE-LFER DSpace BO 20 01 0084 4593084857 x 12-10-24 21 01 0046 4560263329 ebook_2024_dissbremen Kostenloser Zugriff zza 30-07-24 22 01 0018 4593185939 SUBolrd xu 12-10-24 23 01 0830 4593233593 olr-d x 12-10-24 30 01 0104 4593279976 z 12-10-24 40 01 0007 4593316804 xsn 12-10-24 60 01 0705 4593374839 OLRD z 12-10-24 63 01 3401 4593427681 ORD x 12-10-24 70 01 0089 4593484227 z 12-10-24 105 01 0841 4593873193 z 12-10-24 110 01 3110 4593584175 x 12-10-24 132 01 0959 4593627877 OLR-DISS x 12-10-24 151 01 0546 4593668166 OLR-ODISS z 12-10-24 161 01 0960 459369230X ORD z 12-10-24 293 01 3293 4593821983 ORD z 12-10-24 370 01 4370 4593854806 x 12-10-24 2403 01 DE-LFER 4566464970 00 --%%-- --%%-- n --%%-- l01 15-08-24 20 01 0084 https://nbn-resolving.org/urn:nbn:de:gbv:46-elib80473 21 01 0046 https://doi.org/10.26092/elib/3081 LF 22 01 0018 https://nbn-resolving.org/urn:nbn:de:gbv:46-elib80473 23 01 0830 https://nbn-resolving.org/urn:nbn:de:gbv:46-elib80473 30 01 0104 https://nbn-resolving.org/urn:nbn:de:gbv:46-elib80473 40 01 0007 https://nbn-resolving.org/urn:nbn:de:gbv:46-elib80473 60 01 0705 https://nbn-resolving.org/urn:nbn:de:gbv:46-elib80473 63 01 3401 E-Book https://nbn-resolving.org/urn:nbn:de:gbv:46-elib80473 LF 70 01 0089 https://nbn-resolving.org/urn:nbn:de:gbv:46-elib80473 105 01 0841 https://nbn-resolving.org/urn:nbn:de:gbv:46-elib80473 110 01 3110 https://nbn-resolving.org/urn:nbn:de:gbv:46-elib80473 132 01 0959 https://nbn-resolving.org/urn:nbn:de:gbv:46-elib80473 151 01 0546 Volltext https://nbn-resolving.org/urn:nbn:de:gbv:46-elib80473 161 01 0960 https://nbn-resolving.org/urn:nbn:de:gbv:46-elib80473 293 01 3293 https://nbn-resolving.org/urn:nbn:de:gbv:46-elib80473 370 01 4370 https://nbn-resolving.org/urn:nbn:de:gbv:46-elib80473 2403 01 DE-LFER https://doi.org/10.26092/elib/3081 21 00 DE-46 00 Universität Bremen 21 00 DE-46 00 Fachbereich 01: Physik/Elektrotechnik (FB 01) 60 01 0705 10 ho 20 01 0084 OLRD 110 01 3110 OLRD 370 01 4370 OLRD 21 01 0046 ebook_2024_dissbremen 22 01 0018 SUBolrd 23 01 0830 olr-d 60 01 0705 OLRD 63 01 3401 ORD 132 01 0959 OLR-DISS 151 01 0546 OLR-ODISS 161 01 0960 ORD 293 01 3293 ORD 23 01 0830 2024-10-12 10:31:16
spelling	urn:nbn:de:gbv:46-elib80473 urn 10.26092/elib/3081 doi (DE-627)1896932355 (DE-599)KXP1896932355 (OCoLC)1450352371 (OAEPFHB)elib/3081 DE-627 ger DE-627 rda eng XA-DE-HB 551.34 DE-101 550 DE-101 Tao, Ran verfasserin (orcid)0000-0002-6690-9212 aut Spatial heterogeneity and seasonal evolution of surface properties and radiative fluxes of Arctic sea ice by Ran Tao Bremen [2024] 1 Online-Ressource (V, 159 Seiten) Illustrationen Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Dissertation Universität Bremen 2024 DE-46 Open Access Controlled Vocabulary for Access Rights http://purl.org/coar/access_right/c_abf2 In recent years, the Arctic sea ice has experienced a significant decline, characterised by the smaller extent, longer melt season, and a shift from thick multi-year ice to thinner first-year ice. As a result, more solar radiative energy is deposited into the Arctic sea ice and the ocean underneath, further enhancing sea ice melt and ocean heat. When the Arctic is transitioning from melt onset to freeze onset, the sea ice surface spatial variability becomes stronger, altering the spatial distribution of radiative energy deposition. Understanding the seasonal evolution and spatial variability of solar radiative fluxes is a key step to broadening our knowledge of the changing Arctic sea ice. In this thesis, I investigate the year-round changes in solar radiative fluxes within the Arctic sea ice, both temporally and spatially. I examine the changes in optical properties during the Multidisciplinary drifting Observatory for the Study of Arctic Climate expedition (MOSAiC) in 2020. This thesis utilises a wide range of sensors and platforms, ranging from long-term continuous point measurement, to weekly under-ice mapping of light field, and to ice-floe size parameterization. This thesis highlights the spatial variability of the solar radiative fluxes of Arctic sea ice: under the same atmospheric condition and located on the same ice floe, different locations show highly variable evolution. The largest variability is in the middle of the melt season, due to the changing melt pond coverage and status. The sea ice types and surface conditions are crucial for the sea ice energy budget, thus further controlling the melting process. This thesis provides a comprehensive 3-dimensional view of the sea ice radiative fluxes and improves the parameterization of sea ice optical properties. Also, by investigating the effects of spatial surface variability, which is a function of time and area, this thesis guides future observations of the new Arctic sea ice regime. This study bridges in-situ observation to floe-size parameterisation, advances our understanding of the upscaling of solar radiative energy fluxes both onto and through the Arctic sea ice, and deepens our understanding of the impact of sea ice heterogeneity on the large-scale energy budget of the melting Arctic sea ice. DE-46 Namensnennung 4.0 International CC BY 4.0 cc https://creativecommons.org/licenses/by/4.0/ Archivierung/Langzeitarchivierung gewährleistet PEHB pdager DE-46 Arctic sea ice sea ice optics sea ice albedo and transmittance Hochschulschrift (DE-588)4113937-9 (DE-627)105825778 (DE-576)209480580 gnd-content Nicolaus, Marcel akademischer betreuerin (DE-588)132351250 (DE-627)522694063 (DE-576)299091880 dgs Katlein, Christian 1986- akademischer betreuerin (DE-588)1025860411 (DE-627)725679476 (DE-576)370523229 dgs Haas, Christian akademischer betreuerin dgs Kanzow, Torsten 1971- akademischer betreuerin (DE-588)129630772 (DE-627)475215435 (DE-576)297757857 dgs Spreen, Gunnar akademischer betreuerin (DE-588)13614439X (DE-627)57719111X (DE-576)300857667 dgs Lämmerzahl, Claus 1956- akademischer betreuerin (DE-588)12251923X (DE-627)08199219X (DE-576)161885985 dgs Universität Bremen Grad-verleihende Institution (DE-588)2001386-3 (DE-627)101380429 (DE-576)191575038 dgg Bremen (DE-588)4008135-7 (DE-627)106369636 (DE-576)208874569 uvp Erscheint auch als Druck-Ausgabe Tao, Ran Spatial heterogeneity and seasonal evolution of surface properties and radiative fluxes of Arctic sea ice Bremen, 2024 V, 159 Seiten (DE-627)189693269X https://doi.org/10.26092/elib/3081 Resolving-System kostenfrei https://nbn-resolving.org/urn:nbn:de:gbv:46-elib80473 Resolving-System kostenfrei https://d-nb.info/1339513064/34 Langzeitarchivierung Nationalbibliothek kostenfrei https://media.suub.uni-bremen.de/handle/elib/8047 Verlag kostenfrei GBV-ODiss GBV_ILN_20 ISIL_DE-84 SYSFLAG_1 GBV_KXP GBV_ILN_21 ISIL_DE-46 GBV_ILN_22 ISIL_DE-18 GBV_ILN_23 ISIL_DE-830 GBV_ILN_30 ISIL_DE-104 GBV_ILN_40 ISIL_DE-7 GBV_ILN_60 ISIL_DE-705 GBV_ILN_63 ISIL_DE-Wim2 GBV_ILN_70 ISIL_DE-89 GBV_ILN_105 ISIL_DE-841 GBV_ILN_110 ISIL_DE-Luen4 GBV_ILN_132 ISIL_DE-959 GBV_ILN_151 ISIL_DE-546 GBV_ILN_161 ISIL_DE-960 GBV_ILN_293 ISIL_DE-960-3 GBV_ILN_370 ISIL_DE-1373 GBV_ILN_2403 ISIL_DE-LFER DSpace BO 20 01 0084 4593084857 x 12-10-24 21 01 0046 4560263329 ebook_2024_dissbremen Kostenloser Zugriff zza 30-07-24 22 01 0018 4593185939 SUBolrd xu 12-10-24 23 01 0830 4593233593 olr-d x 12-10-24 30 01 0104 4593279976 z 12-10-24 40 01 0007 4593316804 xsn 12-10-24 60 01 0705 4593374839 OLRD z 12-10-24 63 01 3401 4593427681 ORD x 12-10-24 70 01 0089 4593484227 z 12-10-24 105 01 0841 4593873193 z 12-10-24 110 01 3110 4593584175 x 12-10-24 132 01 0959 4593627877 OLR-DISS x 12-10-24 151 01 0546 4593668166 OLR-ODISS z 12-10-24 161 01 0960 459369230X ORD z 12-10-24 293 01 3293 4593821983 ORD z 12-10-24 370 01 4370 4593854806 x 12-10-24 2403 01 DE-LFER 4566464970 00 --%%-- --%%-- n --%%-- l01 15-08-24 20 01 0084 https://nbn-resolving.org/urn:nbn:de:gbv:46-elib80473 21 01 0046 https://doi.org/10.26092/elib/3081 LF 22 01 0018 https://nbn-resolving.org/urn:nbn:de:gbv:46-elib80473 23 01 0830 https://nbn-resolving.org/urn:nbn:de:gbv:46-elib80473 30 01 0104 https://nbn-resolving.org/urn:nbn:de:gbv:46-elib80473 40 01 0007 https://nbn-resolving.org/urn:nbn:de:gbv:46-elib80473 60 01 0705 https://nbn-resolving.org/urn:nbn:de:gbv:46-elib80473 63 01 3401 E-Book https://nbn-resolving.org/urn:nbn:de:gbv:46-elib80473 LF 70 01 0089 https://nbn-resolving.org/urn:nbn:de:gbv:46-elib80473 105 01 0841 https://nbn-resolving.org/urn:nbn:de:gbv:46-elib80473 110 01 3110 https://nbn-resolving.org/urn:nbn:de:gbv:46-elib80473 132 01 0959 https://nbn-resolving.org/urn:nbn:de:gbv:46-elib80473 151 01 0546 Volltext https://nbn-resolving.org/urn:nbn:de:gbv:46-elib80473 161 01 0960 https://nbn-resolving.org/urn:nbn:de:gbv:46-elib80473 293 01 3293 https://nbn-resolving.org/urn:nbn:de:gbv:46-elib80473 370 01 4370 https://nbn-resolving.org/urn:nbn:de:gbv:46-elib80473 2403 01 DE-LFER https://doi.org/10.26092/elib/3081 21 00 DE-46 00 Universität Bremen 21 00 DE-46 00 Fachbereich 01: Physik/Elektrotechnik (FB 01) 60 01 0705 10 ho 20 01 0084 OLRD 110 01 3110 OLRD 370 01 4370 OLRD 21 01 0046 ebook_2024_dissbremen 22 01 0018 SUBolrd 23 01 0830 olr-d 60 01 0705 OLRD 63 01 3401 ORD 132 01 0959 OLR-DISS 151 01 0546 OLR-ODISS 161 01 0960 ORD 293 01 3293 ORD 23 01 0830 2024-10-12 10:31:16
allfields_unstemmed	urn:nbn:de:gbv:46-elib80473 urn 10.26092/elib/3081 doi (DE-627)1896932355 (DE-599)KXP1896932355 (OCoLC)1450352371 (OAEPFHB)elib/3081 DE-627 ger DE-627 rda eng XA-DE-HB 551.34 DE-101 550 DE-101 Tao, Ran verfasserin (orcid)0000-0002-6690-9212 aut Spatial heterogeneity and seasonal evolution of surface properties and radiative fluxes of Arctic sea ice by Ran Tao Bremen [2024] 1 Online-Ressource (V, 159 Seiten) Illustrationen Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Dissertation Universität Bremen 2024 DE-46 Open Access Controlled Vocabulary for Access Rights http://purl.org/coar/access_right/c_abf2 In recent years, the Arctic sea ice has experienced a significant decline, characterised by the smaller extent, longer melt season, and a shift from thick multi-year ice to thinner first-year ice. As a result, more solar radiative energy is deposited into the Arctic sea ice and the ocean underneath, further enhancing sea ice melt and ocean heat. When the Arctic is transitioning from melt onset to freeze onset, the sea ice surface spatial variability becomes stronger, altering the spatial distribution of radiative energy deposition. Understanding the seasonal evolution and spatial variability of solar radiative fluxes is a key step to broadening our knowledge of the changing Arctic sea ice. In this thesis, I investigate the year-round changes in solar radiative fluxes within the Arctic sea ice, both temporally and spatially. I examine the changes in optical properties during the Multidisciplinary drifting Observatory for the Study of Arctic Climate expedition (MOSAiC) in 2020. This thesis utilises a wide range of sensors and platforms, ranging from long-term continuous point measurement, to weekly under-ice mapping of light field, and to ice-floe size parameterization. This thesis highlights the spatial variability of the solar radiative fluxes of Arctic sea ice: under the same atmospheric condition and located on the same ice floe, different locations show highly variable evolution. The largest variability is in the middle of the melt season, due to the changing melt pond coverage and status. The sea ice types and surface conditions are crucial for the sea ice energy budget, thus further controlling the melting process. This thesis provides a comprehensive 3-dimensional view of the sea ice radiative fluxes and improves the parameterization of sea ice optical properties. Also, by investigating the effects of spatial surface variability, which is a function of time and area, this thesis guides future observations of the new Arctic sea ice regime. This study bridges in-situ observation to floe-size parameterisation, advances our understanding of the upscaling of solar radiative energy fluxes both onto and through the Arctic sea ice, and deepens our understanding of the impact of sea ice heterogeneity on the large-scale energy budget of the melting Arctic sea ice. DE-46 Namensnennung 4.0 International CC BY 4.0 cc https://creativecommons.org/licenses/by/4.0/ Archivierung/Langzeitarchivierung gewährleistet PEHB pdager DE-46 Arctic sea ice sea ice optics sea ice albedo and transmittance Hochschulschrift (DE-588)4113937-9 (DE-627)105825778 (DE-576)209480580 gnd-content Nicolaus, Marcel akademischer betreuerin (DE-588)132351250 (DE-627)522694063 (DE-576)299091880 dgs Katlein, Christian 1986- akademischer betreuerin (DE-588)1025860411 (DE-627)725679476 (DE-576)370523229 dgs Haas, Christian akademischer betreuerin dgs Kanzow, Torsten 1971- akademischer betreuerin (DE-588)129630772 (DE-627)475215435 (DE-576)297757857 dgs Spreen, Gunnar akademischer betreuerin (DE-588)13614439X (DE-627)57719111X (DE-576)300857667 dgs Lämmerzahl, Claus 1956- akademischer betreuerin (DE-588)12251923X (DE-627)08199219X (DE-576)161885985 dgs Universität Bremen Grad-verleihende Institution (DE-588)2001386-3 (DE-627)101380429 (DE-576)191575038 dgg Bremen (DE-588)4008135-7 (DE-627)106369636 (DE-576)208874569 uvp Erscheint auch als Druck-Ausgabe Tao, Ran Spatial heterogeneity and seasonal evolution of surface properties and radiative fluxes of Arctic sea ice Bremen, 2024 V, 159 Seiten (DE-627)189693269X https://doi.org/10.26092/elib/3081 Resolving-System kostenfrei https://nbn-resolving.org/urn:nbn:de:gbv:46-elib80473 Resolving-System kostenfrei https://d-nb.info/1339513064/34 Langzeitarchivierung Nationalbibliothek kostenfrei https://media.suub.uni-bremen.de/handle/elib/8047 Verlag kostenfrei GBV-ODiss GBV_ILN_20 ISIL_DE-84 SYSFLAG_1 GBV_KXP GBV_ILN_21 ISIL_DE-46 GBV_ILN_22 ISIL_DE-18 GBV_ILN_23 ISIL_DE-830 GBV_ILN_30 ISIL_DE-104 GBV_ILN_40 ISIL_DE-7 GBV_ILN_60 ISIL_DE-705 GBV_ILN_63 ISIL_DE-Wim2 GBV_ILN_70 ISIL_DE-89 GBV_ILN_105 ISIL_DE-841 GBV_ILN_110 ISIL_DE-Luen4 GBV_ILN_132 ISIL_DE-959 GBV_ILN_151 ISIL_DE-546 GBV_ILN_161 ISIL_DE-960 GBV_ILN_293 ISIL_DE-960-3 GBV_ILN_370 ISIL_DE-1373 GBV_ILN_2403 ISIL_DE-LFER DSpace BO 20 01 0084 4593084857 x 12-10-24 21 01 0046 4560263329 ebook_2024_dissbremen Kostenloser Zugriff zza 30-07-24 22 01 0018 4593185939 SUBolrd xu 12-10-24 23 01 0830 4593233593 olr-d x 12-10-24 30 01 0104 4593279976 z 12-10-24 40 01 0007 4593316804 xsn 12-10-24 60 01 0705 4593374839 OLRD z 12-10-24 63 01 3401 4593427681 ORD x 12-10-24 70 01 0089 4593484227 z 12-10-24 105 01 0841 4593873193 z 12-10-24 110 01 3110 4593584175 x 12-10-24 132 01 0959 4593627877 OLR-DISS x 12-10-24 151 01 0546 4593668166 OLR-ODISS z 12-10-24 161 01 0960 459369230X ORD z 12-10-24 293 01 3293 4593821983 ORD z 12-10-24 370 01 4370 4593854806 x 12-10-24 2403 01 DE-LFER 4566464970 00 --%%-- --%%-- n --%%-- l01 15-08-24 20 01 0084 https://nbn-resolving.org/urn:nbn:de:gbv:46-elib80473 21 01 0046 https://doi.org/10.26092/elib/3081 LF 22 01 0018 https://nbn-resolving.org/urn:nbn:de:gbv:46-elib80473 23 01 0830 https://nbn-resolving.org/urn:nbn:de:gbv:46-elib80473 30 01 0104 https://nbn-resolving.org/urn:nbn:de:gbv:46-elib80473 40 01 0007 https://nbn-resolving.org/urn:nbn:de:gbv:46-elib80473 60 01 0705 https://nbn-resolving.org/urn:nbn:de:gbv:46-elib80473 63 01 3401 E-Book https://nbn-resolving.org/urn:nbn:de:gbv:46-elib80473 LF 70 01 0089 https://nbn-resolving.org/urn:nbn:de:gbv:46-elib80473 105 01 0841 https://nbn-resolving.org/urn:nbn:de:gbv:46-elib80473 110 01 3110 https://nbn-resolving.org/urn:nbn:de:gbv:46-elib80473 132 01 0959 https://nbn-resolving.org/urn:nbn:de:gbv:46-elib80473 151 01 0546 Volltext https://nbn-resolving.org/urn:nbn:de:gbv:46-elib80473 161 01 0960 https://nbn-resolving.org/urn:nbn:de:gbv:46-elib80473 293 01 3293 https://nbn-resolving.org/urn:nbn:de:gbv:46-elib80473 370 01 4370 https://nbn-resolving.org/urn:nbn:de:gbv:46-elib80473 2403 01 DE-LFER https://doi.org/10.26092/elib/3081 21 00 DE-46 00 Universität Bremen 21 00 DE-46 00 Fachbereich 01: Physik/Elektrotechnik (FB 01) 60 01 0705 10 ho 20 01 0084 OLRD 110 01 3110 OLRD 370 01 4370 OLRD 21 01 0046 ebook_2024_dissbremen 22 01 0018 SUBolrd 23 01 0830 olr-d 60 01 0705 OLRD 63 01 3401 ORD 132 01 0959 OLR-DISS 151 01 0546 OLR-ODISS 161 01 0960 ORD 293 01 3293 ORD 23 01 0830 2024-10-12 10:31:16
allfieldsGer	urn:nbn:de:gbv:46-elib80473 urn 10.26092/elib/3081 doi (DE-627)1896932355 (DE-599)KXP1896932355 (OCoLC)1450352371 (OAEPFHB)elib/3081 DE-627 ger DE-627 rda eng XA-DE-HB 551.34 DE-101 550 DE-101 Tao, Ran verfasserin (orcid)0000-0002-6690-9212 aut Spatial heterogeneity and seasonal evolution of surface properties and radiative fluxes of Arctic sea ice by Ran Tao Bremen [2024] 1 Online-Ressource (V, 159 Seiten) Illustrationen Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Dissertation Universität Bremen 2024 DE-46 Open Access Controlled Vocabulary for Access Rights http://purl.org/coar/access_right/c_abf2 In recent years, the Arctic sea ice has experienced a significant decline, characterised by the smaller extent, longer melt season, and a shift from thick multi-year ice to thinner first-year ice. As a result, more solar radiative energy is deposited into the Arctic sea ice and the ocean underneath, further enhancing sea ice melt and ocean heat. When the Arctic is transitioning from melt onset to freeze onset, the sea ice surface spatial variability becomes stronger, altering the spatial distribution of radiative energy deposition. Understanding the seasonal evolution and spatial variability of solar radiative fluxes is a key step to broadening our knowledge of the changing Arctic sea ice. In this thesis, I investigate the year-round changes in solar radiative fluxes within the Arctic sea ice, both temporally and spatially. I examine the changes in optical properties during the Multidisciplinary drifting Observatory for the Study of Arctic Climate expedition (MOSAiC) in 2020. This thesis utilises a wide range of sensors and platforms, ranging from long-term continuous point measurement, to weekly under-ice mapping of light field, and to ice-floe size parameterization. This thesis highlights the spatial variability of the solar radiative fluxes of Arctic sea ice: under the same atmospheric condition and located on the same ice floe, different locations show highly variable evolution. The largest variability is in the middle of the melt season, due to the changing melt pond coverage and status. The sea ice types and surface conditions are crucial for the sea ice energy budget, thus further controlling the melting process. This thesis provides a comprehensive 3-dimensional view of the sea ice radiative fluxes and improves the parameterization of sea ice optical properties. Also, by investigating the effects of spatial surface variability, which is a function of time and area, this thesis guides future observations of the new Arctic sea ice regime. This study bridges in-situ observation to floe-size parameterisation, advances our understanding of the upscaling of solar radiative energy fluxes both onto and through the Arctic sea ice, and deepens our understanding of the impact of sea ice heterogeneity on the large-scale energy budget of the melting Arctic sea ice. DE-46 Namensnennung 4.0 International CC BY 4.0 cc https://creativecommons.org/licenses/by/4.0/ Archivierung/Langzeitarchivierung gewährleistet PEHB pdager DE-46 Arctic sea ice sea ice optics sea ice albedo and transmittance Hochschulschrift (DE-588)4113937-9 (DE-627)105825778 (DE-576)209480580 gnd-content Nicolaus, Marcel akademischer betreuerin (DE-588)132351250 (DE-627)522694063 (DE-576)299091880 dgs Katlein, Christian 1986- akademischer betreuerin (DE-588)1025860411 (DE-627)725679476 (DE-576)370523229 dgs Haas, Christian akademischer betreuerin dgs Kanzow, Torsten 1971- akademischer betreuerin (DE-588)129630772 (DE-627)475215435 (DE-576)297757857 dgs Spreen, Gunnar akademischer betreuerin (DE-588)13614439X (DE-627)57719111X (DE-576)300857667 dgs Lämmerzahl, Claus 1956- akademischer betreuerin (DE-588)12251923X (DE-627)08199219X (DE-576)161885985 dgs Universität Bremen Grad-verleihende Institution (DE-588)2001386-3 (DE-627)101380429 (DE-576)191575038 dgg Bremen (DE-588)4008135-7 (DE-627)106369636 (DE-576)208874569 uvp Erscheint auch als Druck-Ausgabe Tao, Ran Spatial heterogeneity and seasonal evolution of surface properties and radiative fluxes of Arctic sea ice Bremen, 2024 V, 159 Seiten (DE-627)189693269X https://doi.org/10.26092/elib/3081 Resolving-System kostenfrei https://nbn-resolving.org/urn:nbn:de:gbv:46-elib80473 Resolving-System kostenfrei https://d-nb.info/1339513064/34 Langzeitarchivierung Nationalbibliothek kostenfrei https://media.suub.uni-bremen.de/handle/elib/8047 Verlag kostenfrei GBV-ODiss GBV_ILN_20 ISIL_DE-84 SYSFLAG_1 GBV_KXP GBV_ILN_21 ISIL_DE-46 GBV_ILN_22 ISIL_DE-18 GBV_ILN_23 ISIL_DE-830 GBV_ILN_30 ISIL_DE-104 GBV_ILN_40 ISIL_DE-7 GBV_ILN_60 ISIL_DE-705 GBV_ILN_63 ISIL_DE-Wim2 GBV_ILN_70 ISIL_DE-89 GBV_ILN_105 ISIL_DE-841 GBV_ILN_110 ISIL_DE-Luen4 GBV_ILN_132 ISIL_DE-959 GBV_ILN_151 ISIL_DE-546 GBV_ILN_161 ISIL_DE-960 GBV_ILN_293 ISIL_DE-960-3 GBV_ILN_370 ISIL_DE-1373 GBV_ILN_2403 ISIL_DE-LFER DSpace BO 20 01 0084 4593084857 x 12-10-24 21 01 0046 4560263329 ebook_2024_dissbremen Kostenloser Zugriff zza 30-07-24 22 01 0018 4593185939 SUBolrd xu 12-10-24 23 01 0830 4593233593 olr-d x 12-10-24 30 01 0104 4593279976 z 12-10-24 40 01 0007 4593316804 xsn 12-10-24 60 01 0705 4593374839 OLRD z 12-10-24 63 01 3401 4593427681 ORD x 12-10-24 70 01 0089 4593484227 z 12-10-24 105 01 0841 4593873193 z 12-10-24 110 01 3110 4593584175 x 12-10-24 132 01 0959 4593627877 OLR-DISS x 12-10-24 151 01 0546 4593668166 OLR-ODISS z 12-10-24 161 01 0960 459369230X ORD z 12-10-24 293 01 3293 4593821983 ORD z 12-10-24 370 01 4370 4593854806 x 12-10-24 2403 01 DE-LFER 4566464970 00 --%%-- --%%-- n --%%-- l01 15-08-24 20 01 0084 https://nbn-resolving.org/urn:nbn:de:gbv:46-elib80473 21 01 0046 https://doi.org/10.26092/elib/3081 LF 22 01 0018 https://nbn-resolving.org/urn:nbn:de:gbv:46-elib80473 23 01 0830 https://nbn-resolving.org/urn:nbn:de:gbv:46-elib80473 30 01 0104 https://nbn-resolving.org/urn:nbn:de:gbv:46-elib80473 40 01 0007 https://nbn-resolving.org/urn:nbn:de:gbv:46-elib80473 60 01 0705 https://nbn-resolving.org/urn:nbn:de:gbv:46-elib80473 63 01 3401 E-Book https://nbn-resolving.org/urn:nbn:de:gbv:46-elib80473 LF 70 01 0089 https://nbn-resolving.org/urn:nbn:de:gbv:46-elib80473 105 01 0841 https://nbn-resolving.org/urn:nbn:de:gbv:46-elib80473 110 01 3110 https://nbn-resolving.org/urn:nbn:de:gbv:46-elib80473 132 01 0959 https://nbn-resolving.org/urn:nbn:de:gbv:46-elib80473 151 01 0546 Volltext https://nbn-resolving.org/urn:nbn:de:gbv:46-elib80473 161 01 0960 https://nbn-resolving.org/urn:nbn:de:gbv:46-elib80473 293 01 3293 https://nbn-resolving.org/urn:nbn:de:gbv:46-elib80473 370 01 4370 https://nbn-resolving.org/urn:nbn:de:gbv:46-elib80473 2403 01 DE-LFER https://doi.org/10.26092/elib/3081 21 00 DE-46 00 Universität Bremen 21 00 DE-46 00 Fachbereich 01: Physik/Elektrotechnik (FB 01) 60 01 0705 10 ho 20 01 0084 OLRD 110 01 3110 OLRD 370 01 4370 OLRD 21 01 0046 ebook_2024_dissbremen 22 01 0018 SUBolrd 23 01 0830 olr-d 60 01 0705 OLRD 63 01 3401 ORD 132 01 0959 OLR-DISS 151 01 0546 OLR-ODISS 161 01 0960 ORD 293 01 3293 ORD 23 01 0830 2024-10-12 10:31:16
allfieldsSound	urn:nbn:de:gbv:46-elib80473 urn 10.26092/elib/3081 doi (DE-627)1896932355 (DE-599)KXP1896932355 (OCoLC)1450352371 (OAEPFHB)elib/3081 DE-627 ger DE-627 rda eng XA-DE-HB 551.34 DE-101 550 DE-101 Tao, Ran verfasserin (orcid)0000-0002-6690-9212 aut Spatial heterogeneity and seasonal evolution of surface properties and radiative fluxes of Arctic sea ice by Ran Tao Bremen [2024] 1 Online-Ressource (V, 159 Seiten) Illustrationen Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Dissertation Universität Bremen 2024 DE-46 Open Access Controlled Vocabulary for Access Rights http://purl.org/coar/access_right/c_abf2 In recent years, the Arctic sea ice has experienced a significant decline, characterised by the smaller extent, longer melt season, and a shift from thick multi-year ice to thinner first-year ice. As a result, more solar radiative energy is deposited into the Arctic sea ice and the ocean underneath, further enhancing sea ice melt and ocean heat. When the Arctic is transitioning from melt onset to freeze onset, the sea ice surface spatial variability becomes stronger, altering the spatial distribution of radiative energy deposition. Understanding the seasonal evolution and spatial variability of solar radiative fluxes is a key step to broadening our knowledge of the changing Arctic sea ice. In this thesis, I investigate the year-round changes in solar radiative fluxes within the Arctic sea ice, both temporally and spatially. I examine the changes in optical properties during the Multidisciplinary drifting Observatory for the Study of Arctic Climate expedition (MOSAiC) in 2020. This thesis utilises a wide range of sensors and platforms, ranging from long-term continuous point measurement, to weekly under-ice mapping of light field, and to ice-floe size parameterization. This thesis highlights the spatial variability of the solar radiative fluxes of Arctic sea ice: under the same atmospheric condition and located on the same ice floe, different locations show highly variable evolution. The largest variability is in the middle of the melt season, due to the changing melt pond coverage and status. The sea ice types and surface conditions are crucial for the sea ice energy budget, thus further controlling the melting process. This thesis provides a comprehensive 3-dimensional view of the sea ice radiative fluxes and improves the parameterization of sea ice optical properties. Also, by investigating the effects of spatial surface variability, which is a function of time and area, this thesis guides future observations of the new Arctic sea ice regime. This study bridges in-situ observation to floe-size parameterisation, advances our understanding of the upscaling of solar radiative energy fluxes both onto and through the Arctic sea ice, and deepens our understanding of the impact of sea ice heterogeneity on the large-scale energy budget of the melting Arctic sea ice. DE-46 Namensnennung 4.0 International CC BY 4.0 cc https://creativecommons.org/licenses/by/4.0/ Archivierung/Langzeitarchivierung gewährleistet PEHB pdager DE-46 Arctic sea ice sea ice optics sea ice albedo and transmittance Hochschulschrift (DE-588)4113937-9 (DE-627)105825778 (DE-576)209480580 gnd-content Nicolaus, Marcel akademischer betreuerin (DE-588)132351250 (DE-627)522694063 (DE-576)299091880 dgs Katlein, Christian 1986- akademischer betreuerin (DE-588)1025860411 (DE-627)725679476 (DE-576)370523229 dgs Haas, Christian akademischer betreuerin dgs Kanzow, Torsten 1971- akademischer betreuerin (DE-588)129630772 (DE-627)475215435 (DE-576)297757857 dgs Spreen, Gunnar akademischer betreuerin (DE-588)13614439X (DE-627)57719111X (DE-576)300857667 dgs Lämmerzahl, Claus 1956- akademischer betreuerin (DE-588)12251923X (DE-627)08199219X (DE-576)161885985 dgs Universität Bremen Grad-verleihende Institution (DE-588)2001386-3 (DE-627)101380429 (DE-576)191575038 dgg Bremen (DE-588)4008135-7 (DE-627)106369636 (DE-576)208874569 uvp Erscheint auch als Druck-Ausgabe Tao, Ran Spatial heterogeneity and seasonal evolution of surface properties and radiative fluxes of Arctic sea ice Bremen, 2024 V, 159 Seiten (DE-627)189693269X https://doi.org/10.26092/elib/3081 Resolving-System kostenfrei https://nbn-resolving.org/urn:nbn:de:gbv:46-elib80473 Resolving-System kostenfrei https://d-nb.info/1339513064/34 Langzeitarchivierung Nationalbibliothek kostenfrei https://media.suub.uni-bremen.de/handle/elib/8047 Verlag kostenfrei GBV-ODiss GBV_ILN_20 ISIL_DE-84 SYSFLAG_1 GBV_KXP GBV_ILN_21 ISIL_DE-46 GBV_ILN_22 ISIL_DE-18 GBV_ILN_23 ISIL_DE-830 GBV_ILN_30 ISIL_DE-104 GBV_ILN_40 ISIL_DE-7 GBV_ILN_60 ISIL_DE-705 GBV_ILN_63 ISIL_DE-Wim2 GBV_ILN_70 ISIL_DE-89 GBV_ILN_105 ISIL_DE-841 GBV_ILN_110 ISIL_DE-Luen4 GBV_ILN_132 ISIL_DE-959 GBV_ILN_151 ISIL_DE-546 GBV_ILN_161 ISIL_DE-960 GBV_ILN_293 ISIL_DE-960-3 GBV_ILN_370 ISIL_DE-1373 GBV_ILN_2403 ISIL_DE-LFER DSpace BO 20 01 0084 4593084857 x 12-10-24 21 01 0046 4560263329 ebook_2024_dissbremen Kostenloser Zugriff zza 30-07-24 22 01 0018 4593185939 SUBolrd xu 12-10-24 23 01 0830 4593233593 olr-d x 12-10-24 30 01 0104 4593279976 z 12-10-24 40 01 0007 4593316804 xsn 12-10-24 60 01 0705 4593374839 OLRD z 12-10-24 63 01 3401 4593427681 ORD x 12-10-24 70 01 0089 4593484227 z 12-10-24 105 01 0841 4593873193 z 12-10-24 110 01 3110 4593584175 x 12-10-24 132 01 0959 4593627877 OLR-DISS x 12-10-24 151 01 0546 4593668166 OLR-ODISS z 12-10-24 161 01 0960 459369230X ORD z 12-10-24 293 01 3293 4593821983 ORD z 12-10-24 370 01 4370 4593854806 x 12-10-24 2403 01 DE-LFER 4566464970 00 --%%-- --%%-- n --%%-- l01 15-08-24 20 01 0084 https://nbn-resolving.org/urn:nbn:de:gbv:46-elib80473 21 01 0046 https://doi.org/10.26092/elib/3081 LF 22 01 0018 https://nbn-resolving.org/urn:nbn:de:gbv:46-elib80473 23 01 0830 https://nbn-resolving.org/urn:nbn:de:gbv:46-elib80473 30 01 0104 https://nbn-resolving.org/urn:nbn:de:gbv:46-elib80473 40 01 0007 https://nbn-resolving.org/urn:nbn:de:gbv:46-elib80473 60 01 0705 https://nbn-resolving.org/urn:nbn:de:gbv:46-elib80473 63 01 3401 E-Book https://nbn-resolving.org/urn:nbn:de:gbv:46-elib80473 LF 70 01 0089 https://nbn-resolving.org/urn:nbn:de:gbv:46-elib80473 105 01 0841 https://nbn-resolving.org/urn:nbn:de:gbv:46-elib80473 110 01 3110 https://nbn-resolving.org/urn:nbn:de:gbv:46-elib80473 132 01 0959 https://nbn-resolving.org/urn:nbn:de:gbv:46-elib80473 151 01 0546 Volltext https://nbn-resolving.org/urn:nbn:de:gbv:46-elib80473 161 01 0960 https://nbn-resolving.org/urn:nbn:de:gbv:46-elib80473 293 01 3293 https://nbn-resolving.org/urn:nbn:de:gbv:46-elib80473 370 01 4370 https://nbn-resolving.org/urn:nbn:de:gbv:46-elib80473 2403 01 DE-LFER https://doi.org/10.26092/elib/3081 21 00 DE-46 00 Universität Bremen 21 00 DE-46 00 Fachbereich 01: Physik/Elektrotechnik (FB 01) 60 01 0705 10 ho 20 01 0084 OLRD 110 01 3110 OLRD 370 01 4370 OLRD 21 01 0046 ebook_2024_dissbremen 22 01 0018 SUBolrd 23 01 0830 olr-d 60 01 0705 OLRD 63 01 3401 ORD 132 01 0959 OLR-DISS 151 01 0546 OLR-ODISS 161 01 0960 ORD 293 01 3293 ORD 23 01 0830 2024-10-12 10:31:16
language	English
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topic_facet	Arctic sea ice sea ice optics sea ice albedo and transmittance
hochschulschrift_txt_mv	Dissertation Universität Bremen 2024
sw_local_iln_str_mv	21:Universität Bremen DE-46:Universität Bremen 21:Fachbereich 01: Physik/Elektrotechnik (FB 01) DE-46:Fachbereich 01: Physik/Elektrotechnik (FB 01)
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authorswithroles_txt_mv	Tao, Ran @@aut@@ Nicolaus, Marcel @@dgs@@ Katlein, Christian @@dgs@@ Haas, Christian @@dgs@@ Kanzow, Torsten @@dgs@@ Spreen, Gunnar @@dgs@@ Lämmerzahl, Claus @@dgs@@
publishDateDaySort_date	2024-01-01T00:00:00Z
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id	1896932355
genre_facet	Hochschulschrift
language_de	englisch
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topic_title	551.34 DE-101 550 DE-101 21 00 DE-46 00 Universität Bremen 21 00 DE-46 00 Fachbereich 01: Physik/Elektrotechnik (FB 01) Spatial heterogeneity and seasonal evolution of surface properties and radiative fluxes of Arctic sea ice by Ran Tao Arctic sea ice sea ice optics sea ice albedo and transmittance
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title	Spatial heterogeneity and seasonal evolution of surface properties and radiative fluxes of Arctic sea ice
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title_sort	spatial heterogeneity and seasonal evolution of surface properties and radiative fluxes of arctic sea ice
title_auth	Spatial heterogeneity and seasonal evolution of surface properties and radiative fluxes of Arctic sea ice
abstract	In recent years, the Arctic sea ice has experienced a significant decline, characterised by the smaller extent, longer melt season, and a shift from thick multi-year ice to thinner first-year ice. As a result, more solar radiative energy is deposited into the Arctic sea ice and the ocean underneath, further enhancing sea ice melt and ocean heat. When the Arctic is transitioning from melt onset to freeze onset, the sea ice surface spatial variability becomes stronger, altering the spatial distribution of radiative energy deposition. Understanding the seasonal evolution and spatial variability of solar radiative fluxes is a key step to broadening our knowledge of the changing Arctic sea ice. In this thesis, I investigate the year-round changes in solar radiative fluxes within the Arctic sea ice, both temporally and spatially. I examine the changes in optical properties during the Multidisciplinary drifting Observatory for the Study of Arctic Climate expedition (MOSAiC) in 2020. This thesis utilises a wide range of sensors and platforms, ranging from long-term continuous point measurement, to weekly under-ice mapping of light field, and to ice-floe size parameterization. This thesis highlights the spatial variability of the solar radiative fluxes of Arctic sea ice: under the same atmospheric condition and located on the same ice floe, different locations show highly variable evolution. The largest variability is in the middle of the melt season, due to the changing melt pond coverage and status. The sea ice types and surface conditions are crucial for the sea ice energy budget, thus further controlling the melting process. This thesis provides a comprehensive 3-dimensional view of the sea ice radiative fluxes and improves the parameterization of sea ice optical properties. Also, by investigating the effects of spatial surface variability, which is a function of time and area, this thesis guides future observations of the new Arctic sea ice regime. This study bridges in-situ observation to floe-size parameterisation, advances our understanding of the upscaling of solar radiative energy fluxes both onto and through the Arctic sea ice, and deepens our understanding of the impact of sea ice heterogeneity on the large-scale energy budget of the melting Arctic sea ice.
abstractGer	In recent years, the Arctic sea ice has experienced a significant decline, characterised by the smaller extent, longer melt season, and a shift from thick multi-year ice to thinner first-year ice. As a result, more solar radiative energy is deposited into the Arctic sea ice and the ocean underneath, further enhancing sea ice melt and ocean heat. When the Arctic is transitioning from melt onset to freeze onset, the sea ice surface spatial variability becomes stronger, altering the spatial distribution of radiative energy deposition. Understanding the seasonal evolution and spatial variability of solar radiative fluxes is a key step to broadening our knowledge of the changing Arctic sea ice. In this thesis, I investigate the year-round changes in solar radiative fluxes within the Arctic sea ice, both temporally and spatially. I examine the changes in optical properties during the Multidisciplinary drifting Observatory for the Study of Arctic Climate expedition (MOSAiC) in 2020. This thesis utilises a wide range of sensors and platforms, ranging from long-term continuous point measurement, to weekly under-ice mapping of light field, and to ice-floe size parameterization. This thesis highlights the spatial variability of the solar radiative fluxes of Arctic sea ice: under the same atmospheric condition and located on the same ice floe, different locations show highly variable evolution. The largest variability is in the middle of the melt season, due to the changing melt pond coverage and status. The sea ice types and surface conditions are crucial for the sea ice energy budget, thus further controlling the melting process. This thesis provides a comprehensive 3-dimensional view of the sea ice radiative fluxes and improves the parameterization of sea ice optical properties. Also, by investigating the effects of spatial surface variability, which is a function of time and area, this thesis guides future observations of the new Arctic sea ice regime. This study bridges in-situ observation to floe-size parameterisation, advances our understanding of the upscaling of solar radiative energy fluxes both onto and through the Arctic sea ice, and deepens our understanding of the impact of sea ice heterogeneity on the large-scale energy budget of the melting Arctic sea ice.
abstract_unstemmed	In recent years, the Arctic sea ice has experienced a significant decline, characterised by the smaller extent, longer melt season, and a shift from thick multi-year ice to thinner first-year ice. As a result, more solar radiative energy is deposited into the Arctic sea ice and the ocean underneath, further enhancing sea ice melt and ocean heat. When the Arctic is transitioning from melt onset to freeze onset, the sea ice surface spatial variability becomes stronger, altering the spatial distribution of radiative energy deposition. Understanding the seasonal evolution and spatial variability of solar radiative fluxes is a key step to broadening our knowledge of the changing Arctic sea ice. In this thesis, I investigate the year-round changes in solar radiative fluxes within the Arctic sea ice, both temporally and spatially. I examine the changes in optical properties during the Multidisciplinary drifting Observatory for the Study of Arctic Climate expedition (MOSAiC) in 2020. This thesis utilises a wide range of sensors and platforms, ranging from long-term continuous point measurement, to weekly under-ice mapping of light field, and to ice-floe size parameterization. This thesis highlights the spatial variability of the solar radiative fluxes of Arctic sea ice: under the same atmospheric condition and located on the same ice floe, different locations show highly variable evolution. The largest variability is in the middle of the melt season, due to the changing melt pond coverage and status. The sea ice types and surface conditions are crucial for the sea ice energy budget, thus further controlling the melting process. This thesis provides a comprehensive 3-dimensional view of the sea ice radiative fluxes and improves the parameterization of sea ice optical properties. Also, by investigating the effects of spatial surface variability, which is a function of time and area, this thesis guides future observations of the new Arctic sea ice regime. This study bridges in-situ observation to floe-size parameterisation, advances our understanding of the upscaling of solar radiative energy fluxes both onto and through the Arctic sea ice, and deepens our understanding of the impact of sea ice heterogeneity on the large-scale energy budget of the melting Arctic sea ice.
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title_short	Spatial heterogeneity and seasonal evolution of surface properties and radiative fluxes of Arctic sea ice
url	https://doi.org/10.26092/elib/3081 https://nbn-resolving.org/urn:nbn:de:gbv:46-elib80473 https://d-nb.info/1339513064/34 https://media.suub.uni-bremen.de/handle/elib/8047
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fullrecord_marcxml	<?xml version="1.0" encoding="UTF-8"?><collection xmlns="http://www.loc.gov/MARC21/slim"><record><leader>01000cam a2200265 4500</leader><controlfield tag="001">1896932355</controlfield><controlfield tag="003">DE-627</controlfield><controlfield tag="005">20240912032806.0</controlfield><controlfield tag="007">cr uuu---uuuuu</controlfield><controlfield tag="008">240730s2024 gw \|\|\|\|\|om 00\| \|\|eng c</controlfield><datafield tag="024" ind1="7" ind2=" "><subfield code="a">urn:nbn:de:gbv:46-elib80473</subfield><subfield code="2">urn</subfield></datafield><datafield tag="024" ind1="7" ind2=" "><subfield code="a">10.26092/elib/3081</subfield><subfield code="2">doi</subfield></datafield><datafield tag="035" ind1=" " ind2=" "><subfield code="a">(DE-627)1896932355</subfield></datafield><datafield tag="035" ind1=" " ind2=" "><subfield code="a">(DE-599)KXP1896932355</subfield></datafield><datafield tag="035" ind1=" " ind2=" "><subfield code="a">(OCoLC)1450352371</subfield></datafield><datafield tag="035" ind1=" " ind2=" "><subfield code="a">(OAEPFHB)elib/3081</subfield></datafield><datafield tag="040" ind1=" " ind2=" "><subfield code="a">DE-627</subfield><subfield code="b">ger</subfield><subfield code="c">DE-627</subfield><subfield code="e">rda</subfield></datafield><datafield tag="041" ind1=" " ind2=" "><subfield code="a">eng</subfield></datafield><datafield tag="044" ind1=" " ind2=" "><subfield code="c">XA-DE-HB</subfield></datafield><datafield tag="082" ind1="0" ind2="4"><subfield code="a">551.34</subfield><subfield code="q">DE-101</subfield></datafield><datafield tag="082" ind1="0" ind2="4"><subfield code="a">550</subfield><subfield code="q">DE-101</subfield></datafield><datafield tag="100" ind1="1" ind2=" "><subfield code="a">Tao, Ran</subfield><subfield code="e">verfasserin</subfield><subfield code="0">(orcid)0000-0002-6690-9212</subfield><subfield code="4">aut</subfield></datafield><datafield tag="245" ind1="1" ind2="0"><subfield code="a">Spatial heterogeneity and seasonal evolution of surface properties and radiative fluxes of Arctic sea ice</subfield><subfield code="c">by Ran Tao</subfield></datafield><datafield tag="264" ind1=" " ind2="1"><subfield code="a">Bremen</subfield><subfield code="c">[2024]</subfield></datafield><datafield tag="300" ind1=" " ind2=" "><subfield code="a">1 Online-Ressource (V, 159 Seiten)</subfield><subfield code="b">Illustrationen</subfield></datafield><datafield tag="336" ind1=" " ind2=" "><subfield code="a">Text</subfield><subfield code="b">txt</subfield><subfield code="2">rdacontent</subfield></datafield><datafield tag="337" ind1=" " ind2=" "><subfield code="a">Computermedien</subfield><subfield code="b">c</subfield><subfield code="2">rdamedia</subfield></datafield><datafield tag="338" ind1=" " ind2=" "><subfield code="a">Online-Ressource</subfield><subfield code="b">cr</subfield><subfield code="2">rdacarrier</subfield></datafield><datafield tag="502" ind1=" " ind2=" "><subfield code="b">Dissertation</subfield><subfield code="c">Universität Bremen</subfield><subfield code="d">2024</subfield></datafield><datafield tag="506" ind1="0" ind2=" "><subfield code="q">DE-46</subfield><subfield code="a">Open Access</subfield><subfield code="e">Controlled Vocabulary for Access Rights</subfield><subfield code="u">http://purl.org/coar/access_right/c_abf2</subfield></datafield><datafield tag="520" ind1=" " ind2=" "><subfield code="a">In recent years, the Arctic sea ice has experienced a significant decline, characterised by the smaller extent, longer melt season, and a shift from thick multi-year ice to thinner first-year ice. As a result, more solar radiative energy is deposited into the Arctic sea ice and the ocean underneath, further enhancing sea ice melt and ocean heat. When the Arctic is transitioning from melt onset to freeze onset, the sea ice surface spatial variability becomes stronger, altering the spatial distribution of radiative energy deposition. Understanding the seasonal evolution and spatial variability of solar radiative fluxes is a key step to broadening our knowledge of the changing Arctic sea ice. In this thesis, I investigate the year-round changes in solar radiative fluxes within the Arctic sea ice, both temporally and spatially. I examine the changes in optical properties during the Multidisciplinary drifting Observatory for the Study of Arctic Climate expedition (MOSAiC) in 2020. This thesis utilises a wide range of sensors and platforms, ranging from long-term continuous point measurement, to weekly under-ice mapping of light field, and to ice-floe size parameterization. This thesis highlights the spatial variability of the solar radiative fluxes of Arctic sea ice: under the same atmospheric condition and located on the same ice floe, different locations show highly variable evolution. The largest variability is in the middle of the melt season, due to the changing melt pond coverage and status. The sea ice types and surface conditions are crucial for the sea ice energy budget, thus further controlling the melting process. This thesis provides a comprehensive 3-dimensional view of the sea ice radiative fluxes and improves the parameterization of sea ice optical properties. Also, by investigating the effects of spatial surface variability, which is a function of time and area, this thesis guides future observations of the new Arctic sea ice regime. 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Spatial heterogeneity and seasonal evolution of surface properties and radiative fluxes of Arctic sea ice

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