Synoptic scale controls on the δ18O in precipitation across Beringia
Oxygen isotope records of precipitation (δ 18 O precip ) from Beringia are thought to reflect synoptic‐scale circulation changes associated with the Aleutian Low. To delineate the spatial pattern of δ 18 O precip associated with the two dominant modes of Aleutian Low circulation, we combine modern δ...
Ausführliche Beschreibung
Gespeichert in:
| Autor*in: |
Bailey, Hannah L [verfasserIn] |
|---|
| Format: |
Artikel |
|---|---|
| Sprache: |
Englisch |
| Erschienen: |
2015 |
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| Rechteinformationen: |
Nutzungsrecht: © 2015. The Authors. |
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| Schlagwörter: |
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| Übergeordnetes Werk: |
Enthalten in: Geophysical research letters - Washington, DC : Union, 1974, 42(2015), 11, Seite 4608-4616 |
|---|---|
| Übergeordnetes Werk: |
volume:42 ; year:2015 ; number:11 ; pages:4608-4616 |
| Links: |
|---|
| DOI / URN: |
10.1002/2015GL063983 |
|---|
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OLC1964150388 |
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| 520 | |a Oxygen isotope records of precipitation (δ 18 O precip ) from Beringia are thought to reflect synoptic‐scale circulation changes associated with the Aleutian Low. To delineate the spatial pattern of δ 18 O precip associated with the two dominant modes of Aleutian Low circulation, we combine modern δ 18 O precip and deuterium excess data with climate reanalysis and back trajectory modeling. Aleutian Low strength and position are revealed to systematically affect regional moisture source and δ 18 O precip ; whereby a strengthened Aleutian Low causes lower (higher) δ 18 O precip in western (eastern) Beringia. We compare a new 100 year long δ 18 O record from the Aleutian Islands with the North Pacific Index, the primary indicator of Aleutian Low strength, and find a significant positive relationship ( r = 0.43, P < 0.02, n = 28) that tracks late twentieth century change. This study demonstrates synoptic‐scale circulation controls on our isotope record and provides a coherent framework for interpreting existing and emerging paleoisotope data from the region. Isotopes in precipitation track North Pacific pressure‐driven circulation Oxygen isotope record from Adak correlates with the North Pacific Index East‐west pressure dipole is exhibited by regional isotope records | ||
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10.1002/2015GL063983 doi PQ20160617 (DE-627)OLC1964150388 (DE-599)GBVOLC1964150388 (PRQ)wiley_primary_10_1002_2015GL063983_GRL529970 (KEY)0026932820150000042001104608synopticscalecontrolsonthe18oinprecipitationacross DE-627 ger DE-627 rakwb eng 550 DNB 38.70 bkl Bailey, Hannah L verfasserin aut Synoptic scale controls on the δ18O in precipitation across Beringia 2015 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier Oxygen isotope records of precipitation (δ 18 O precip ) from Beringia are thought to reflect synoptic‐scale circulation changes associated with the Aleutian Low. To delineate the spatial pattern of δ 18 O precip associated with the two dominant modes of Aleutian Low circulation, we combine modern δ 18 O precip and deuterium excess data with climate reanalysis and back trajectory modeling. Aleutian Low strength and position are revealed to systematically affect regional moisture source and δ 18 O precip ; whereby a strengthened Aleutian Low causes lower (higher) δ 18 O precip in western (eastern) Beringia. We compare a new 100 year long δ 18 O record from the Aleutian Islands with the North Pacific Index, the primary indicator of Aleutian Low strength, and find a significant positive relationship ( r = 0.43, P < 0.02, n = 28) that tracks late twentieth century change. This study demonstrates synoptic‐scale circulation controls on our isotope record and provides a coherent framework for interpreting existing and emerging paleoisotope data from the region. Isotopes in precipitation track North Pacific pressure‐driven circulation Oxygen isotope record from Adak correlates with the North Pacific Index East‐west pressure dipole is exhibited by regional isotope records Nutzungsrecht: © 2015. The Authors. precipitation North Pacific Index Aleutian Low Alaska oxygen isotopes Kaufman, Darrell S oth Henderson, Andrew C. G oth Leng, Melanie J oth Enthalten in Geophysical research letters Washington, DC : Union, 1974 42(2015), 11, Seite 4608-4616 (DE-627)129095109 (DE-600)7403-2 (DE-576)01443122X 0094-8276 nnns volume:42 year:2015 number:11 pages:4608-4616 http://dx.doi.org/10.1002/2015GL063983 Volltext http://onlinelibrary.wiley.com/doi/10.1002/2015GL063983/abstract GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-PHY SSG-OLC-GEO SSG-OPC-GGO SSG-OPC-GEO GBV_ILN_47 GBV_ILN_62 GBV_ILN_154 GBV_ILN_601 GBV_ILN_2279 38.70 AVZ AR 42 2015 11 4608-4616 |
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10.1002/2015GL063983 doi PQ20160617 (DE-627)OLC1964150388 (DE-599)GBVOLC1964150388 (PRQ)wiley_primary_10_1002_2015GL063983_GRL529970 (KEY)0026932820150000042001104608synopticscalecontrolsonthe18oinprecipitationacross DE-627 ger DE-627 rakwb eng 550 DNB 38.70 bkl Bailey, Hannah L verfasserin aut Synoptic scale controls on the δ18O in precipitation across Beringia 2015 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier Oxygen isotope records of precipitation (δ 18 O precip ) from Beringia are thought to reflect synoptic‐scale circulation changes associated with the Aleutian Low. To delineate the spatial pattern of δ 18 O precip associated with the two dominant modes of Aleutian Low circulation, we combine modern δ 18 O precip and deuterium excess data with climate reanalysis and back trajectory modeling. Aleutian Low strength and position are revealed to systematically affect regional moisture source and δ 18 O precip ; whereby a strengthened Aleutian Low causes lower (higher) δ 18 O precip in western (eastern) Beringia. We compare a new 100 year long δ 18 O record from the Aleutian Islands with the North Pacific Index, the primary indicator of Aleutian Low strength, and find a significant positive relationship ( r = 0.43, P < 0.02, n = 28) that tracks late twentieth century change. This study demonstrates synoptic‐scale circulation controls on our isotope record and provides a coherent framework for interpreting existing and emerging paleoisotope data from the region. Isotopes in precipitation track North Pacific pressure‐driven circulation Oxygen isotope record from Adak correlates with the North Pacific Index East‐west pressure dipole is exhibited by regional isotope records Nutzungsrecht: © 2015. The Authors. precipitation North Pacific Index Aleutian Low Alaska oxygen isotopes Kaufman, Darrell S oth Henderson, Andrew C. G oth Leng, Melanie J oth Enthalten in Geophysical research letters Washington, DC : Union, 1974 42(2015), 11, Seite 4608-4616 (DE-627)129095109 (DE-600)7403-2 (DE-576)01443122X 0094-8276 nnns volume:42 year:2015 number:11 pages:4608-4616 http://dx.doi.org/10.1002/2015GL063983 Volltext http://onlinelibrary.wiley.com/doi/10.1002/2015GL063983/abstract GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-PHY SSG-OLC-GEO SSG-OPC-GGO SSG-OPC-GEO GBV_ILN_47 GBV_ILN_62 GBV_ILN_154 GBV_ILN_601 GBV_ILN_2279 38.70 AVZ AR 42 2015 11 4608-4616 |
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10.1002/2015GL063983 doi PQ20160617 (DE-627)OLC1964150388 (DE-599)GBVOLC1964150388 (PRQ)wiley_primary_10_1002_2015GL063983_GRL529970 (KEY)0026932820150000042001104608synopticscalecontrolsonthe18oinprecipitationacross DE-627 ger DE-627 rakwb eng 550 DNB 38.70 bkl Bailey, Hannah L verfasserin aut Synoptic scale controls on the δ18O in precipitation across Beringia 2015 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier Oxygen isotope records of precipitation (δ 18 O precip ) from Beringia are thought to reflect synoptic‐scale circulation changes associated with the Aleutian Low. To delineate the spatial pattern of δ 18 O precip associated with the two dominant modes of Aleutian Low circulation, we combine modern δ 18 O precip and deuterium excess data with climate reanalysis and back trajectory modeling. Aleutian Low strength and position are revealed to systematically affect regional moisture source and δ 18 O precip ; whereby a strengthened Aleutian Low causes lower (higher) δ 18 O precip in western (eastern) Beringia. We compare a new 100 year long δ 18 O record from the Aleutian Islands with the North Pacific Index, the primary indicator of Aleutian Low strength, and find a significant positive relationship ( r = 0.43, P < 0.02, n = 28) that tracks late twentieth century change. This study demonstrates synoptic‐scale circulation controls on our isotope record and provides a coherent framework for interpreting existing and emerging paleoisotope data from the region. Isotopes in precipitation track North Pacific pressure‐driven circulation Oxygen isotope record from Adak correlates with the North Pacific Index East‐west pressure dipole is exhibited by regional isotope records Nutzungsrecht: © 2015. The Authors. precipitation North Pacific Index Aleutian Low Alaska oxygen isotopes Kaufman, Darrell S oth Henderson, Andrew C. G oth Leng, Melanie J oth Enthalten in Geophysical research letters Washington, DC : Union, 1974 42(2015), 11, Seite 4608-4616 (DE-627)129095109 (DE-600)7403-2 (DE-576)01443122X 0094-8276 nnns volume:42 year:2015 number:11 pages:4608-4616 http://dx.doi.org/10.1002/2015GL063983 Volltext http://onlinelibrary.wiley.com/doi/10.1002/2015GL063983/abstract GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-PHY SSG-OLC-GEO SSG-OPC-GGO SSG-OPC-GEO GBV_ILN_47 GBV_ILN_62 GBV_ILN_154 GBV_ILN_601 GBV_ILN_2279 38.70 AVZ AR 42 2015 11 4608-4616 |
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10.1002/2015GL063983 doi PQ20160617 (DE-627)OLC1964150388 (DE-599)GBVOLC1964150388 (PRQ)wiley_primary_10_1002_2015GL063983_GRL529970 (KEY)0026932820150000042001104608synopticscalecontrolsonthe18oinprecipitationacross DE-627 ger DE-627 rakwb eng 550 DNB 38.70 bkl Bailey, Hannah L verfasserin aut Synoptic scale controls on the δ18O in precipitation across Beringia 2015 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier Oxygen isotope records of precipitation (δ 18 O precip ) from Beringia are thought to reflect synoptic‐scale circulation changes associated with the Aleutian Low. To delineate the spatial pattern of δ 18 O precip associated with the two dominant modes of Aleutian Low circulation, we combine modern δ 18 O precip and deuterium excess data with climate reanalysis and back trajectory modeling. Aleutian Low strength and position are revealed to systematically affect regional moisture source and δ 18 O precip ; whereby a strengthened Aleutian Low causes lower (higher) δ 18 O precip in western (eastern) Beringia. We compare a new 100 year long δ 18 O record from the Aleutian Islands with the North Pacific Index, the primary indicator of Aleutian Low strength, and find a significant positive relationship ( r = 0.43, P < 0.02, n = 28) that tracks late twentieth century change. This study demonstrates synoptic‐scale circulation controls on our isotope record and provides a coherent framework for interpreting existing and emerging paleoisotope data from the region. Isotopes in precipitation track North Pacific pressure‐driven circulation Oxygen isotope record from Adak correlates with the North Pacific Index East‐west pressure dipole is exhibited by regional isotope records Nutzungsrecht: © 2015. The Authors. precipitation North Pacific Index Aleutian Low Alaska oxygen isotopes Kaufman, Darrell S oth Henderson, Andrew C. G oth Leng, Melanie J oth Enthalten in Geophysical research letters Washington, DC : Union, 1974 42(2015), 11, Seite 4608-4616 (DE-627)129095109 (DE-600)7403-2 (DE-576)01443122X 0094-8276 nnns volume:42 year:2015 number:11 pages:4608-4616 http://dx.doi.org/10.1002/2015GL063983 Volltext http://onlinelibrary.wiley.com/doi/10.1002/2015GL063983/abstract GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-PHY SSG-OLC-GEO SSG-OPC-GGO SSG-OPC-GEO GBV_ILN_47 GBV_ILN_62 GBV_ILN_154 GBV_ILN_601 GBV_ILN_2279 38.70 AVZ AR 42 2015 11 4608-4616 |
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Synoptic scale controls on the δ18O in precipitation across Beringia |
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Synoptic scale controls on the δ18O in precipitation across Beringia |
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synoptic scale controls on the δ18o in precipitation across beringia |
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Synoptic scale controls on the δ18O in precipitation across Beringia |
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Oxygen isotope records of precipitation (δ 18 O precip ) from Beringia are thought to reflect synoptic‐scale circulation changes associated with the Aleutian Low. To delineate the spatial pattern of δ 18 O precip associated with the two dominant modes of Aleutian Low circulation, we combine modern δ 18 O precip and deuterium excess data with climate reanalysis and back trajectory modeling. Aleutian Low strength and position are revealed to systematically affect regional moisture source and δ 18 O precip ; whereby a strengthened Aleutian Low causes lower (higher) δ 18 O precip in western (eastern) Beringia. We compare a new 100 year long δ 18 O record from the Aleutian Islands with the North Pacific Index, the primary indicator of Aleutian Low strength, and find a significant positive relationship ( r = 0.43, P < 0.02, n = 28) that tracks late twentieth century change. This study demonstrates synoptic‐scale circulation controls on our isotope record and provides a coherent framework for interpreting existing and emerging paleoisotope data from the region. Isotopes in precipitation track North Pacific pressure‐driven circulation Oxygen isotope record from Adak correlates with the North Pacific Index East‐west pressure dipole is exhibited by regional isotope records |
| abstractGer |
Oxygen isotope records of precipitation (δ 18 O precip ) from Beringia are thought to reflect synoptic‐scale circulation changes associated with the Aleutian Low. To delineate the spatial pattern of δ 18 O precip associated with the two dominant modes of Aleutian Low circulation, we combine modern δ 18 O precip and deuterium excess data with climate reanalysis and back trajectory modeling. Aleutian Low strength and position are revealed to systematically affect regional moisture source and δ 18 O precip ; whereby a strengthened Aleutian Low causes lower (higher) δ 18 O precip in western (eastern) Beringia. We compare a new 100 year long δ 18 O record from the Aleutian Islands with the North Pacific Index, the primary indicator of Aleutian Low strength, and find a significant positive relationship ( r = 0.43, P < 0.02, n = 28) that tracks late twentieth century change. This study demonstrates synoptic‐scale circulation controls on our isotope record and provides a coherent framework for interpreting existing and emerging paleoisotope data from the region. Isotopes in precipitation track North Pacific pressure‐driven circulation Oxygen isotope record from Adak correlates with the North Pacific Index East‐west pressure dipole is exhibited by regional isotope records |
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Oxygen isotope records of precipitation (δ 18 O precip ) from Beringia are thought to reflect synoptic‐scale circulation changes associated with the Aleutian Low. To delineate the spatial pattern of δ 18 O precip associated with the two dominant modes of Aleutian Low circulation, we combine modern δ 18 O precip and deuterium excess data with climate reanalysis and back trajectory modeling. Aleutian Low strength and position are revealed to systematically affect regional moisture source and δ 18 O precip ; whereby a strengthened Aleutian Low causes lower (higher) δ 18 O precip in western (eastern) Beringia. We compare a new 100 year long δ 18 O record from the Aleutian Islands with the North Pacific Index, the primary indicator of Aleutian Low strength, and find a significant positive relationship ( r = 0.43, P < 0.02, n = 28) that tracks late twentieth century change. This study demonstrates synoptic‐scale circulation controls on our isotope record and provides a coherent framework for interpreting existing and emerging paleoisotope data from the region. Isotopes in precipitation track North Pacific pressure‐driven circulation Oxygen isotope record from Adak correlates with the North Pacific Index East‐west pressure dipole is exhibited by regional isotope records |
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Synoptic scale controls on the δ18O in precipitation across Beringia |
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