Time-resolved black carbon aerosol vertical distribution measurements using a 356-m meteorological tower in Shenzhen
Abstract Black carbon (BC) is an essential climate forcer in the atmosphere. Large uncertainties remain in BC’s radiative forcing estimation by models, partially due to the limited measurements of BC vertical distributions near the surface layer. We conducted time-resolved vertical profiling of BC u...
Ausführliche Beschreibung
Gespeichert in:
| Autor*in: |
Sun, Tianlin [verfasserIn] Wu, Cheng [verfasserIn] Wu, Dui [verfasserIn] Liu, Ben [verfasserIn] Sun, Jia Yin [verfasserIn] Mao, Xia [verfasserIn] Yang, Honglong [verfasserIn] Deng, Tao [verfasserIn] Song, Lang [verfasserIn] Li, Mei [verfasserIn] Li, Yong Jie [verfasserIn] Zhou, Zhen [verfasserIn] |
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| Format: |
E-Artikel |
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| Sprache: |
Englisch |
| Erschienen: |
2020 |
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| Schlagwörter: |
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| Übergeordnetes Werk: |
Enthalten in: Theoretical and applied climatology - Wien [u.a.] : Springer, 1948, 140(2020), 3-4 vom: 06. März, Seite 1263-1276 |
|---|---|
| Übergeordnetes Werk: |
volume:140 ; year:2020 ; number:3-4 ; day:06 ; month:03 ; pages:1263-1276 |
| Links: |
|---|
| DOI / URN: |
10.1007/s00704-020-03168-6 |
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| Katalog-ID: |
SPR039554929 |
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| 245 | 1 | 0 | |a Time-resolved black carbon aerosol vertical distribution measurements using a 356-m meteorological tower in Shenzhen |
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| 520 | |a Abstract Black carbon (BC) is an essential climate forcer in the atmosphere. Large uncertainties remain in BC’s radiative forcing estimation by models, partially due to the limited measurements of BC vertical distributions near the surface layer. We conducted time-resolved vertical profiling of BC using a 356-m meteorological tower in Shenzhen, China. Five micro-aethalometers were deployed at different heights (2, 50, 100, 200, and 350 m) to explore the temporal dynamics of BC vertical profile in the highly urbanized areas. During the observation period (December 6–15, 2017), the average equivalent BC (eBC) concentrations were 6.6 ± 3.6, 5.4 ± 3.3, 5.9 ± 2.8, 5.2 ± 1.8, and 4.9 ± 1.4 μg $ m^{−3} $, from 2 to 350 m, respectively. eBC temporal variations at different heights were well correlated. eBC concentrations generally decreased with height. At all five heights, eBC diurnal variations exhibited a bimodal pattern, with peaks appearing at 09:00–10:00 and 19:00–21:00. The magnitudes of these diurnal peaks decreased with height, and the decrease was more pronounced for the evening peak. eBC episodes were largely initiated by low wind speeds, implying that wind speed played a key role in the observed eBC concentrations. eBC wind-rose analysis suggested that elevated eBC events at different heights originate from different directions, which suggested contributions from local primary emission plumes. Air masses from central China exhibited much higher eBC levels than the other three backward trajectory clusters found herein. The absorption Ångström exponent ($ AAE_{375–880} $) showed clear diurnal variations at 350 m and increased slightly with height. | ||
| 650 | 4 | |a Meteorological tower |7 (dpeaa)DE-He213 | |
| 650 | 4 | |a Micro-aethalometer |7 (dpeaa)DE-He213 | |
| 650 | 4 | |a Black carbon aerosol |7 (dpeaa)DE-He213 | |
| 650 | 4 | |a Vertical distribution |7 (dpeaa)DE-He213 | |
| 700 | 1 | |a Wu, Cheng |e verfasserin |4 aut | |
| 700 | 1 | |a Wu, Dui |e verfasserin |4 aut | |
| 700 | 1 | |a Liu, Ben |e verfasserin |4 aut | |
| 700 | 1 | |a Sun, Jia Yin |e verfasserin |4 aut | |
| 700 | 1 | |a Mao, Xia |e verfasserin |4 aut | |
| 700 | 1 | |a Yang, Honglong |e verfasserin |4 aut | |
| 700 | 1 | |a Deng, Tao |e verfasserin |4 aut | |
| 700 | 1 | |a Song, Lang |e verfasserin |4 aut | |
| 700 | 1 | |a Li, Mei |e verfasserin |4 aut | |
| 700 | 1 | |a Li, Yong Jie |e verfasserin |4 aut | |
| 700 | 1 | |a Zhou, Zhen |e verfasserin |4 aut | |
| 773 | 0 | 8 | |i Enthalten in |t Theoretical and applied climatology |d Wien [u.a.] : Springer, 1948 |g 140(2020), 3-4 vom: 06. März, Seite 1263-1276 |w (DE-627)25490968X |w (DE-600)1463177-5 |x 1434-4483 |7 nnns |
| 773 | 1 | 8 | |g volume:140 |g year:2020 |g number:3-4 |g day:06 |g month:03 |g pages:1263-1276 |
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10.1007/s00704-020-03168-6 doi (DE-627)SPR039554929 (SPR)s00704-020-03168-6-e DE-627 ger DE-627 rakwb eng 550 ASE 38.82 bkl Sun, Tianlin verfasserin aut Time-resolved black carbon aerosol vertical distribution measurements using a 356-m meteorological tower in Shenzhen 2020 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Abstract Black carbon (BC) is an essential climate forcer in the atmosphere. Large uncertainties remain in BC’s radiative forcing estimation by models, partially due to the limited measurements of BC vertical distributions near the surface layer. We conducted time-resolved vertical profiling of BC using a 356-m meteorological tower in Shenzhen, China. Five micro-aethalometers were deployed at different heights (2, 50, 100, 200, and 350 m) to explore the temporal dynamics of BC vertical profile in the highly urbanized areas. During the observation period (December 6–15, 2017), the average equivalent BC (eBC) concentrations were 6.6 ± 3.6, 5.4 ± 3.3, 5.9 ± 2.8, 5.2 ± 1.8, and 4.9 ± 1.4 μg $ m^{−3} $, from 2 to 350 m, respectively. eBC temporal variations at different heights were well correlated. eBC concentrations generally decreased with height. At all five heights, eBC diurnal variations exhibited a bimodal pattern, with peaks appearing at 09:00–10:00 and 19:00–21:00. The magnitudes of these diurnal peaks decreased with height, and the decrease was more pronounced for the evening peak. eBC episodes were largely initiated by low wind speeds, implying that wind speed played a key role in the observed eBC concentrations. eBC wind-rose analysis suggested that elevated eBC events at different heights originate from different directions, which suggested contributions from local primary emission plumes. Air masses from central China exhibited much higher eBC levels than the other three backward trajectory clusters found herein. The absorption Ångström exponent ($ AAE_{375–880} $) showed clear diurnal variations at 350 m and increased slightly with height. Meteorological tower (dpeaa)DE-He213 Micro-aethalometer (dpeaa)DE-He213 Black carbon aerosol (dpeaa)DE-He213 Vertical distribution (dpeaa)DE-He213 Wu, Cheng verfasserin aut Wu, Dui verfasserin aut Liu, Ben verfasserin aut Sun, Jia Yin verfasserin aut Mao, Xia verfasserin aut Yang, Honglong verfasserin aut Deng, Tao verfasserin aut Song, Lang verfasserin aut Li, Mei verfasserin aut Li, Yong Jie verfasserin aut Zhou, Zhen verfasserin aut Enthalten in Theoretical and applied climatology Wien [u.a.] : Springer, 1948 140(2020), 3-4 vom: 06. März, Seite 1263-1276 (DE-627)25490968X (DE-600)1463177-5 1434-4483 nnns volume:140 year:2020 number:3-4 day:06 month:03 pages:1263-1276 https://dx.doi.org/10.1007/s00704-020-03168-6 kostenfrei Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER SSG-OPC-GEO SSG-OPC-GGO SSG-OPC-ASE GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_206 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_267 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4328 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 38.82 ASE AR 140 2020 3-4 06 03 1263-1276 |
| spelling |
10.1007/s00704-020-03168-6 doi (DE-627)SPR039554929 (SPR)s00704-020-03168-6-e DE-627 ger DE-627 rakwb eng 550 ASE 38.82 bkl Sun, Tianlin verfasserin aut Time-resolved black carbon aerosol vertical distribution measurements using a 356-m meteorological tower in Shenzhen 2020 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Abstract Black carbon (BC) is an essential climate forcer in the atmosphere. Large uncertainties remain in BC’s radiative forcing estimation by models, partially due to the limited measurements of BC vertical distributions near the surface layer. We conducted time-resolved vertical profiling of BC using a 356-m meteorological tower in Shenzhen, China. Five micro-aethalometers were deployed at different heights (2, 50, 100, 200, and 350 m) to explore the temporal dynamics of BC vertical profile in the highly urbanized areas. During the observation period (December 6–15, 2017), the average equivalent BC (eBC) concentrations were 6.6 ± 3.6, 5.4 ± 3.3, 5.9 ± 2.8, 5.2 ± 1.8, and 4.9 ± 1.4 μg $ m^{−3} $, from 2 to 350 m, respectively. eBC temporal variations at different heights were well correlated. eBC concentrations generally decreased with height. At all five heights, eBC diurnal variations exhibited a bimodal pattern, with peaks appearing at 09:00–10:00 and 19:00–21:00. The magnitudes of these diurnal peaks decreased with height, and the decrease was more pronounced for the evening peak. eBC episodes were largely initiated by low wind speeds, implying that wind speed played a key role in the observed eBC concentrations. eBC wind-rose analysis suggested that elevated eBC events at different heights originate from different directions, which suggested contributions from local primary emission plumes. Air masses from central China exhibited much higher eBC levels than the other three backward trajectory clusters found herein. The absorption Ångström exponent ($ AAE_{375–880} $) showed clear diurnal variations at 350 m and increased slightly with height. Meteorological tower (dpeaa)DE-He213 Micro-aethalometer (dpeaa)DE-He213 Black carbon aerosol (dpeaa)DE-He213 Vertical distribution (dpeaa)DE-He213 Wu, Cheng verfasserin aut Wu, Dui verfasserin aut Liu, Ben verfasserin aut Sun, Jia Yin verfasserin aut Mao, Xia verfasserin aut Yang, Honglong verfasserin aut Deng, Tao verfasserin aut Song, Lang verfasserin aut Li, Mei verfasserin aut Li, Yong Jie verfasserin aut Zhou, Zhen verfasserin aut Enthalten in Theoretical and applied climatology Wien [u.a.] : Springer, 1948 140(2020), 3-4 vom: 06. März, Seite 1263-1276 (DE-627)25490968X (DE-600)1463177-5 1434-4483 nnns volume:140 year:2020 number:3-4 day:06 month:03 pages:1263-1276 https://dx.doi.org/10.1007/s00704-020-03168-6 kostenfrei Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER SSG-OPC-GEO SSG-OPC-GGO SSG-OPC-ASE GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_206 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_267 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4328 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 38.82 ASE AR 140 2020 3-4 06 03 1263-1276 |
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10.1007/s00704-020-03168-6 doi (DE-627)SPR039554929 (SPR)s00704-020-03168-6-e DE-627 ger DE-627 rakwb eng 550 ASE 38.82 bkl Sun, Tianlin verfasserin aut Time-resolved black carbon aerosol vertical distribution measurements using a 356-m meteorological tower in Shenzhen 2020 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Abstract Black carbon (BC) is an essential climate forcer in the atmosphere. Large uncertainties remain in BC’s radiative forcing estimation by models, partially due to the limited measurements of BC vertical distributions near the surface layer. We conducted time-resolved vertical profiling of BC using a 356-m meteorological tower in Shenzhen, China. Five micro-aethalometers were deployed at different heights (2, 50, 100, 200, and 350 m) to explore the temporal dynamics of BC vertical profile in the highly urbanized areas. During the observation period (December 6–15, 2017), the average equivalent BC (eBC) concentrations were 6.6 ± 3.6, 5.4 ± 3.3, 5.9 ± 2.8, 5.2 ± 1.8, and 4.9 ± 1.4 μg $ m^{−3} $, from 2 to 350 m, respectively. eBC temporal variations at different heights were well correlated. eBC concentrations generally decreased with height. At all five heights, eBC diurnal variations exhibited a bimodal pattern, with peaks appearing at 09:00–10:00 and 19:00–21:00. The magnitudes of these diurnal peaks decreased with height, and the decrease was more pronounced for the evening peak. eBC episodes were largely initiated by low wind speeds, implying that wind speed played a key role in the observed eBC concentrations. eBC wind-rose analysis suggested that elevated eBC events at different heights originate from different directions, which suggested contributions from local primary emission plumes. Air masses from central China exhibited much higher eBC levels than the other three backward trajectory clusters found herein. The absorption Ångström exponent ($ AAE_{375–880} $) showed clear diurnal variations at 350 m and increased slightly with height. Meteorological tower (dpeaa)DE-He213 Micro-aethalometer (dpeaa)DE-He213 Black carbon aerosol (dpeaa)DE-He213 Vertical distribution (dpeaa)DE-He213 Wu, Cheng verfasserin aut Wu, Dui verfasserin aut Liu, Ben verfasserin aut Sun, Jia Yin verfasserin aut Mao, Xia verfasserin aut Yang, Honglong verfasserin aut Deng, Tao verfasserin aut Song, Lang verfasserin aut Li, Mei verfasserin aut Li, Yong Jie verfasserin aut Zhou, Zhen verfasserin aut Enthalten in Theoretical and applied climatology Wien [u.a.] : Springer, 1948 140(2020), 3-4 vom: 06. März, Seite 1263-1276 (DE-627)25490968X (DE-600)1463177-5 1434-4483 nnns volume:140 year:2020 number:3-4 day:06 month:03 pages:1263-1276 https://dx.doi.org/10.1007/s00704-020-03168-6 kostenfrei Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER SSG-OPC-GEO SSG-OPC-GGO SSG-OPC-ASE GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_206 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_267 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4328 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 38.82 ASE AR 140 2020 3-4 06 03 1263-1276 |
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10.1007/s00704-020-03168-6 doi (DE-627)SPR039554929 (SPR)s00704-020-03168-6-e DE-627 ger DE-627 rakwb eng 550 ASE 38.82 bkl Sun, Tianlin verfasserin aut Time-resolved black carbon aerosol vertical distribution measurements using a 356-m meteorological tower in Shenzhen 2020 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Abstract Black carbon (BC) is an essential climate forcer in the atmosphere. Large uncertainties remain in BC’s radiative forcing estimation by models, partially due to the limited measurements of BC vertical distributions near the surface layer. We conducted time-resolved vertical profiling of BC using a 356-m meteorological tower in Shenzhen, China. Five micro-aethalometers were deployed at different heights (2, 50, 100, 200, and 350 m) to explore the temporal dynamics of BC vertical profile in the highly urbanized areas. During the observation period (December 6–15, 2017), the average equivalent BC (eBC) concentrations were 6.6 ± 3.6, 5.4 ± 3.3, 5.9 ± 2.8, 5.2 ± 1.8, and 4.9 ± 1.4 μg $ m^{−3} $, from 2 to 350 m, respectively. eBC temporal variations at different heights were well correlated. eBC concentrations generally decreased with height. At all five heights, eBC diurnal variations exhibited a bimodal pattern, with peaks appearing at 09:00–10:00 and 19:00–21:00. The magnitudes of these diurnal peaks decreased with height, and the decrease was more pronounced for the evening peak. eBC episodes were largely initiated by low wind speeds, implying that wind speed played a key role in the observed eBC concentrations. eBC wind-rose analysis suggested that elevated eBC events at different heights originate from different directions, which suggested contributions from local primary emission plumes. Air masses from central China exhibited much higher eBC levels than the other three backward trajectory clusters found herein. The absorption Ångström exponent ($ AAE_{375–880} $) showed clear diurnal variations at 350 m and increased slightly with height. Meteorological tower (dpeaa)DE-He213 Micro-aethalometer (dpeaa)DE-He213 Black carbon aerosol (dpeaa)DE-He213 Vertical distribution (dpeaa)DE-He213 Wu, Cheng verfasserin aut Wu, Dui verfasserin aut Liu, Ben verfasserin aut Sun, Jia Yin verfasserin aut Mao, Xia verfasserin aut Yang, Honglong verfasserin aut Deng, Tao verfasserin aut Song, Lang verfasserin aut Li, Mei verfasserin aut Li, Yong Jie verfasserin aut Zhou, Zhen verfasserin aut Enthalten in Theoretical and applied climatology Wien [u.a.] : Springer, 1948 140(2020), 3-4 vom: 06. März, Seite 1263-1276 (DE-627)25490968X (DE-600)1463177-5 1434-4483 nnns volume:140 year:2020 number:3-4 day:06 month:03 pages:1263-1276 https://dx.doi.org/10.1007/s00704-020-03168-6 kostenfrei Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER SSG-OPC-GEO SSG-OPC-GGO SSG-OPC-ASE GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_206 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_267 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4328 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 38.82 ASE AR 140 2020 3-4 06 03 1263-1276 |
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10.1007/s00704-020-03168-6 doi (DE-627)SPR039554929 (SPR)s00704-020-03168-6-e DE-627 ger DE-627 rakwb eng 550 ASE 38.82 bkl Sun, Tianlin verfasserin aut Time-resolved black carbon aerosol vertical distribution measurements using a 356-m meteorological tower in Shenzhen 2020 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Abstract Black carbon (BC) is an essential climate forcer in the atmosphere. Large uncertainties remain in BC’s radiative forcing estimation by models, partially due to the limited measurements of BC vertical distributions near the surface layer. We conducted time-resolved vertical profiling of BC using a 356-m meteorological tower in Shenzhen, China. Five micro-aethalometers were deployed at different heights (2, 50, 100, 200, and 350 m) to explore the temporal dynamics of BC vertical profile in the highly urbanized areas. During the observation period (December 6–15, 2017), the average equivalent BC (eBC) concentrations were 6.6 ± 3.6, 5.4 ± 3.3, 5.9 ± 2.8, 5.2 ± 1.8, and 4.9 ± 1.4 μg $ m^{−3} $, from 2 to 350 m, respectively. eBC temporal variations at different heights were well correlated. eBC concentrations generally decreased with height. At all five heights, eBC diurnal variations exhibited a bimodal pattern, with peaks appearing at 09:00–10:00 and 19:00–21:00. The magnitudes of these diurnal peaks decreased with height, and the decrease was more pronounced for the evening peak. eBC episodes were largely initiated by low wind speeds, implying that wind speed played a key role in the observed eBC concentrations. eBC wind-rose analysis suggested that elevated eBC events at different heights originate from different directions, which suggested contributions from local primary emission plumes. Air masses from central China exhibited much higher eBC levels than the other three backward trajectory clusters found herein. The absorption Ångström exponent ($ AAE_{375–880} $) showed clear diurnal variations at 350 m and increased slightly with height. Meteorological tower (dpeaa)DE-He213 Micro-aethalometer (dpeaa)DE-He213 Black carbon aerosol (dpeaa)DE-He213 Vertical distribution (dpeaa)DE-He213 Wu, Cheng verfasserin aut Wu, Dui verfasserin aut Liu, Ben verfasserin aut Sun, Jia Yin verfasserin aut Mao, Xia verfasserin aut Yang, Honglong verfasserin aut Deng, Tao verfasserin aut Song, Lang verfasserin aut Li, Mei verfasserin aut Li, Yong Jie verfasserin aut Zhou, Zhen verfasserin aut Enthalten in Theoretical and applied climatology Wien [u.a.] : Springer, 1948 140(2020), 3-4 vom: 06. März, Seite 1263-1276 (DE-627)25490968X (DE-600)1463177-5 1434-4483 nnns volume:140 year:2020 number:3-4 day:06 month:03 pages:1263-1276 https://dx.doi.org/10.1007/s00704-020-03168-6 kostenfrei Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER SSG-OPC-GEO SSG-OPC-GGO SSG-OPC-ASE GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_206 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_267 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4328 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 38.82 ASE AR 140 2020 3-4 06 03 1263-1276 |
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Enthalten in Theoretical and applied climatology 140(2020), 3-4 vom: 06. März, Seite 1263-1276 volume:140 year:2020 number:3-4 day:06 month:03 pages:1263-1276 |
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Enthalten in Theoretical and applied climatology 140(2020), 3-4 vom: 06. März, Seite 1263-1276 volume:140 year:2020 number:3-4 day:06 month:03 pages:1263-1276 |
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Sun, Tianlin @@aut@@ Wu, Cheng @@aut@@ Wu, Dui @@aut@@ Liu, Ben @@aut@@ Sun, Jia Yin @@aut@@ Mao, Xia @@aut@@ Yang, Honglong @@aut@@ Deng, Tao @@aut@@ Song, Lang @@aut@@ Li, Mei @@aut@@ Li, Yong Jie @@aut@@ Zhou, Zhen @@aut@@ |
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<?xml version="1.0" encoding="UTF-8"?><collection xmlns="http://www.loc.gov/MARC21/slim"><record><leader>01000caa a22002652 4500</leader><controlfield tag="001">SPR039554929</controlfield><controlfield tag="003">DE-627</controlfield><controlfield tag="005">20220110194252.0</controlfield><controlfield tag="007">cr uuu---uuuuu</controlfield><controlfield tag="008">201007s2020 xx |||||o 00| ||eng c</controlfield><datafield tag="024" ind1="7" ind2=" "><subfield code="a">10.1007/s00704-020-03168-6</subfield><subfield code="2">doi</subfield></datafield><datafield tag="035" ind1=" " ind2=" "><subfield code="a">(DE-627)SPR039554929</subfield></datafield><datafield tag="035" ind1=" " ind2=" "><subfield code="a">(SPR)s00704-020-03168-6-e</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">rakwb</subfield></datafield><datafield tag="041" ind1=" " ind2=" "><subfield code="a">eng</subfield></datafield><datafield tag="082" ind1="0" ind2="4"><subfield code="a">550</subfield><subfield code="q">ASE</subfield></datafield><datafield tag="084" ind1=" " ind2=" "><subfield code="a">38.82</subfield><subfield code="2">bkl</subfield></datafield><datafield tag="100" ind1="1" ind2=" "><subfield code="a">Sun, Tianlin</subfield><subfield code="e">verfasserin</subfield><subfield code="4">aut</subfield></datafield><datafield tag="245" ind1="1" ind2="0"><subfield code="a">Time-resolved black carbon aerosol vertical distribution measurements using a 356-m meteorological tower in Shenzhen</subfield></datafield><datafield tag="264" ind1=" " ind2="1"><subfield code="c">2020</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="520" ind1=" " ind2=" "><subfield code="a">Abstract Black carbon (BC) is an essential climate forcer in the atmosphere. Large uncertainties remain in BC’s radiative forcing estimation by models, partially due to the limited measurements of BC vertical distributions near the surface layer. We conducted time-resolved vertical profiling of BC using a 356-m meteorological tower in Shenzhen, China. Five micro-aethalometers were deployed at different heights (2, 50, 100, 200, and 350 m) to explore the temporal dynamics of BC vertical profile in the highly urbanized areas. During the observation period (December 6–15, 2017), the average equivalent BC (eBC) concentrations were 6.6 ± 3.6, 5.4 ± 3.3, 5.9 ± 2.8, 5.2 ± 1.8, and 4.9 ± 1.4 μg $ m^{−3} $, from 2 to 350 m, respectively. eBC temporal variations at different heights were well correlated. eBC concentrations generally decreased with height. At all five heights, eBC diurnal variations exhibited a bimodal pattern, with peaks appearing at 09:00–10:00 and 19:00–21:00. The magnitudes of these diurnal peaks decreased with height, and the decrease was more pronounced for the evening peak. eBC episodes were largely initiated by low wind speeds, implying that wind speed played a key role in the observed eBC concentrations. eBC wind-rose analysis suggested that elevated eBC events at different heights originate from different directions, which suggested contributions from local primary emission plumes. Air masses from central China exhibited much higher eBC levels than the other three backward trajectory clusters found herein. 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Sun, Tianlin |
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Sun, Tianlin ddc 550 bkl 38.82 misc Meteorological tower misc Micro-aethalometer misc Black carbon aerosol misc Vertical distribution Time-resolved black carbon aerosol vertical distribution measurements using a 356-m meteorological tower in Shenzhen |
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550 ASE 38.82 bkl Time-resolved black carbon aerosol vertical distribution measurements using a 356-m meteorological tower in Shenzhen Meteorological tower (dpeaa)DE-He213 Micro-aethalometer (dpeaa)DE-He213 Black carbon aerosol (dpeaa)DE-He213 Vertical distribution (dpeaa)DE-He213 |
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ddc 550 bkl 38.82 misc Meteorological tower misc Micro-aethalometer misc Black carbon aerosol misc Vertical distribution |
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ddc 550 bkl 38.82 misc Meteorological tower misc Micro-aethalometer misc Black carbon aerosol misc Vertical distribution |
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ddc 550 bkl 38.82 misc Meteorological tower misc Micro-aethalometer misc Black carbon aerosol misc Vertical distribution |
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Time-resolved black carbon aerosol vertical distribution measurements using a 356-m meteorological tower in Shenzhen |
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Time-resolved black carbon aerosol vertical distribution measurements using a 356-m meteorological tower in Shenzhen |
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Sun, Tianlin |
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Theoretical and applied climatology |
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Theoretical and applied climatology |
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2020 |
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Sun, Tianlin Wu, Cheng Wu, Dui Liu, Ben Sun, Jia Yin Mao, Xia Yang, Honglong Deng, Tao Song, Lang Li, Mei Li, Yong Jie Zhou, Zhen |
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Elektronische Aufsätze |
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Sun, Tianlin |
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10.1007/s00704-020-03168-6 |
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time-resolved black carbon aerosol vertical distribution measurements using a 356-m meteorological tower in shenzhen |
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Time-resolved black carbon aerosol vertical distribution measurements using a 356-m meteorological tower in Shenzhen |
| abstract |
Abstract Black carbon (BC) is an essential climate forcer in the atmosphere. Large uncertainties remain in BC’s radiative forcing estimation by models, partially due to the limited measurements of BC vertical distributions near the surface layer. We conducted time-resolved vertical profiling of BC using a 356-m meteorological tower in Shenzhen, China. Five micro-aethalometers were deployed at different heights (2, 50, 100, 200, and 350 m) to explore the temporal dynamics of BC vertical profile in the highly urbanized areas. During the observation period (December 6–15, 2017), the average equivalent BC (eBC) concentrations were 6.6 ± 3.6, 5.4 ± 3.3, 5.9 ± 2.8, 5.2 ± 1.8, and 4.9 ± 1.4 μg $ m^{−3} $, from 2 to 350 m, respectively. eBC temporal variations at different heights were well correlated. eBC concentrations generally decreased with height. At all five heights, eBC diurnal variations exhibited a bimodal pattern, with peaks appearing at 09:00–10:00 and 19:00–21:00. The magnitudes of these diurnal peaks decreased with height, and the decrease was more pronounced for the evening peak. eBC episodes were largely initiated by low wind speeds, implying that wind speed played a key role in the observed eBC concentrations. eBC wind-rose analysis suggested that elevated eBC events at different heights originate from different directions, which suggested contributions from local primary emission plumes. Air masses from central China exhibited much higher eBC levels than the other three backward trajectory clusters found herein. The absorption Ångström exponent ($ AAE_{375–880} $) showed clear diurnal variations at 350 m and increased slightly with height. |
| abstractGer |
Abstract Black carbon (BC) is an essential climate forcer in the atmosphere. Large uncertainties remain in BC’s radiative forcing estimation by models, partially due to the limited measurements of BC vertical distributions near the surface layer. We conducted time-resolved vertical profiling of BC using a 356-m meteorological tower in Shenzhen, China. Five micro-aethalometers were deployed at different heights (2, 50, 100, 200, and 350 m) to explore the temporal dynamics of BC vertical profile in the highly urbanized areas. During the observation period (December 6–15, 2017), the average equivalent BC (eBC) concentrations were 6.6 ± 3.6, 5.4 ± 3.3, 5.9 ± 2.8, 5.2 ± 1.8, and 4.9 ± 1.4 μg $ m^{−3} $, from 2 to 350 m, respectively. eBC temporal variations at different heights were well correlated. eBC concentrations generally decreased with height. At all five heights, eBC diurnal variations exhibited a bimodal pattern, with peaks appearing at 09:00–10:00 and 19:00–21:00. The magnitudes of these diurnal peaks decreased with height, and the decrease was more pronounced for the evening peak. eBC episodes were largely initiated by low wind speeds, implying that wind speed played a key role in the observed eBC concentrations. eBC wind-rose analysis suggested that elevated eBC events at different heights originate from different directions, which suggested contributions from local primary emission plumes. Air masses from central China exhibited much higher eBC levels than the other three backward trajectory clusters found herein. The absorption Ångström exponent ($ AAE_{375–880} $) showed clear diurnal variations at 350 m and increased slightly with height. |
| abstract_unstemmed |
Abstract Black carbon (BC) is an essential climate forcer in the atmosphere. Large uncertainties remain in BC’s radiative forcing estimation by models, partially due to the limited measurements of BC vertical distributions near the surface layer. We conducted time-resolved vertical profiling of BC using a 356-m meteorological tower in Shenzhen, China. Five micro-aethalometers were deployed at different heights (2, 50, 100, 200, and 350 m) to explore the temporal dynamics of BC vertical profile in the highly urbanized areas. During the observation period (December 6–15, 2017), the average equivalent BC (eBC) concentrations were 6.6 ± 3.6, 5.4 ± 3.3, 5.9 ± 2.8, 5.2 ± 1.8, and 4.9 ± 1.4 μg $ m^{−3} $, from 2 to 350 m, respectively. eBC temporal variations at different heights were well correlated. eBC concentrations generally decreased with height. At all five heights, eBC diurnal variations exhibited a bimodal pattern, with peaks appearing at 09:00–10:00 and 19:00–21:00. The magnitudes of these diurnal peaks decreased with height, and the decrease was more pronounced for the evening peak. eBC episodes were largely initiated by low wind speeds, implying that wind speed played a key role in the observed eBC concentrations. eBC wind-rose analysis suggested that elevated eBC events at different heights originate from different directions, which suggested contributions from local primary emission plumes. Air masses from central China exhibited much higher eBC levels than the other three backward trajectory clusters found herein. The absorption Ångström exponent ($ AAE_{375–880} $) showed clear diurnal variations at 350 m and increased slightly with height. |
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Time-resolved black carbon aerosol vertical distribution measurements using a 356-m meteorological tower in Shenzhen |
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https://dx.doi.org/10.1007/s00704-020-03168-6 |
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Wu, Cheng Wu, Dui Liu, Ben Sun, Jia Yin Mao, Xia Yang, Honglong Deng, Tao Song, Lang Li, Mei Li, Yong Jie Zhou, Zhen |
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Wu, Cheng Wu, Dui Liu, Ben Sun, Jia Yin Mao, Xia Yang, Honglong Deng, Tao Song, Lang Li, Mei Li, Yong Jie Zhou, Zhen |
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2024-07-04T00:28:04.848Z |
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| score |
7.403097 |