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On the influence of North Pacific sea surface temperature on the Arctic winter climate
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| Zeitschriftentitel: | Journal of Geophysical Research: Atmospheres |
|---|---|
| Personen und Körperschaften: | , , |
| In: | Journal of Geophysical Research: Atmospheres, 117, 2012, D19 |
| Format: | E-Article |
| Sprache: | Englisch |
| veröffentlicht: |
American Geophysical Union (AGU)
|
| Schlagwörter: |
| author_facet |
Hurwitz, M. M. Newman, P. A. Garfinkel, C. I. Hurwitz, M. M. Newman, P. A. Garfinkel, C. I. |
|---|---|
| author |
Hurwitz, M. M. Newman, P. A. Garfinkel, C. I. |
| spellingShingle |
Hurwitz, M. M. Newman, P. A. Garfinkel, C. I. Journal of Geophysical Research: Atmospheres On the influence of North Pacific sea surface temperature on the Arctic winter climate Paleontology Space and Planetary Science Earth and Planetary Sciences (miscellaneous) Atmospheric Science Earth-Surface Processes Geochemistry and Petrology Soil Science Water Science and Technology Ecology Aquatic Science Forestry Oceanography Geophysics |
| author_sort |
hurwitz, m. m. |
| spelling |
Hurwitz, M. M. Newman, P. A. Garfinkel, C. I. 0148-0227 American Geophysical Union (AGU) Paleontology Space and Planetary Science Earth and Planetary Sciences (miscellaneous) Atmospheric Science Earth-Surface Processes Geochemistry and Petrology Soil Science Water Science and Technology Ecology Aquatic Science Forestry Oceanography Geophysics http://dx.doi.org/10.1029/2012jd017819 <jats:p>Differences between two ensembles of Goddard Earth Observing System Chemistry‐Climate Model simulations isolate the impact of North Pacific sea surface temperatures (SSTs) on the Arctic winter climate. One ensemble of extended winter season forecasts is forced by unusually high SSTs in the North Pacific, while in the second ensemble SSTs in the North Pacific are unusually low. High – Low differences are consistent with a strengthened Western Pacific atmospheric teleconnection pattern, and in particular, a weakening of the Aleutian low. This relative change in tropospheric circulation inhibits planetary wave propagation into the stratosphere, in turn reducing polar stratospheric temperature in mid‐ and late winter. The number of winters with sudden stratospheric warmings is approximately tripled in the Low ensemble as compared with the High ensemble. Enhanced North Pacific SSTs, and thus a more stable and persistent Arctic vortex, lead to a relative decrease in lower stratospheric ozone in spring, affecting the April clear‐sky UV index at Northern Hemisphere midlatitudes.</jats:p> On the influence of North Pacific sea surface temperature on the Arctic winter climate Journal of Geophysical Research: Atmospheres |
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Geologie und Paläontologie Geographie Chemie und Pharmazie Land- und Forstwirtschaft, Gartenbau, Fischereiwirtschaft, Hauswirtschaft Biologie Allgemeine Naturwissenschaft Physik Technik |
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On the influence of North Pacific sea surface temperature on the Arctic winter climate |
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On the influence of North Pacific sea surface temperature on the Arctic winter climate |
| title_full |
On the influence of North Pacific sea surface temperature on the Arctic winter climate |
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On the influence of North Pacific sea surface temperature on the Arctic winter climate |
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On the influence of North Pacific sea surface temperature on the Arctic winter climate |
| title_short |
On the influence of North Pacific sea surface temperature on the Arctic winter climate |
| title_sort |
on the influence of north pacific sea surface temperature on the arctic winter climate |
| topic |
Paleontology Space and Planetary Science Earth and Planetary Sciences (miscellaneous) Atmospheric Science Earth-Surface Processes Geochemistry and Petrology Soil Science Water Science and Technology Ecology Aquatic Science Forestry Oceanography Geophysics |
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http://dx.doi.org/10.1029/2012jd017819 |
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2012 |
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<jats:p>Differences between two ensembles of Goddard Earth Observing System Chemistry‐Climate Model simulations isolate the impact of North Pacific sea surface temperatures (SSTs) on the Arctic winter climate. One ensemble of extended winter season forecasts is forced by unusually high SSTs in the North Pacific, while in the second ensemble SSTs in the North Pacific are unusually low. High – Low differences are consistent with a strengthened Western Pacific atmospheric teleconnection pattern, and in particular, a weakening of the Aleutian low. This relative change in tropospheric circulation inhibits planetary wave propagation into the stratosphere, in turn reducing polar stratospheric temperature in mid‐ and late winter. The number of winters with sudden stratospheric warmings is approximately tripled in the Low ensemble as compared with the High ensemble. Enhanced North Pacific SSTs, and thus a more stable and persistent Arctic vortex, lead to a relative decrease in lower stratospheric ozone in spring, affecting the April clear‐sky UV index at Northern Hemisphere midlatitudes.</jats:p> |
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| author | Hurwitz, M. M., Newman, P. A., Garfinkel, C. I. |
| author_facet | Hurwitz, M. M., Newman, P. A., Garfinkel, C. I., Hurwitz, M. M., Newman, P. A., Garfinkel, C. I. |
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| description | <jats:p>Differences between two ensembles of Goddard Earth Observing System Chemistry‐Climate Model simulations isolate the impact of North Pacific sea surface temperatures (SSTs) on the Arctic winter climate. One ensemble of extended winter season forecasts is forced by unusually high SSTs in the North Pacific, while in the second ensemble SSTs in the North Pacific are unusually low. High – Low differences are consistent with a strengthened Western Pacific atmospheric teleconnection pattern, and in particular, a weakening of the Aleutian low. This relative change in tropospheric circulation inhibits planetary wave propagation into the stratosphere, in turn reducing polar stratospheric temperature in mid‐ and late winter. The number of winters with sudden stratospheric warmings is approximately tripled in the Low ensemble as compared with the High ensemble. Enhanced North Pacific SSTs, and thus a more stable and persistent Arctic vortex, lead to a relative decrease in lower stratospheric ozone in spring, affecting the April clear‐sky UV index at Northern Hemisphere midlatitudes.</jats:p> |
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| spelling | Hurwitz, M. M. Newman, P. A. Garfinkel, C. I. 0148-0227 American Geophysical Union (AGU) Paleontology Space and Planetary Science Earth and Planetary Sciences (miscellaneous) Atmospheric Science Earth-Surface Processes Geochemistry and Petrology Soil Science Water Science and Technology Ecology Aquatic Science Forestry Oceanography Geophysics http://dx.doi.org/10.1029/2012jd017819 <jats:p>Differences between two ensembles of Goddard Earth Observing System Chemistry‐Climate Model simulations isolate the impact of North Pacific sea surface temperatures (SSTs) on the Arctic winter climate. One ensemble of extended winter season forecasts is forced by unusually high SSTs in the North Pacific, while in the second ensemble SSTs in the North Pacific are unusually low. High – Low differences are consistent with a strengthened Western Pacific atmospheric teleconnection pattern, and in particular, a weakening of the Aleutian low. This relative change in tropospheric circulation inhibits planetary wave propagation into the stratosphere, in turn reducing polar stratospheric temperature in mid‐ and late winter. The number of winters with sudden stratospheric warmings is approximately tripled in the Low ensemble as compared with the High ensemble. Enhanced North Pacific SSTs, and thus a more stable and persistent Arctic vortex, lead to a relative decrease in lower stratospheric ozone in spring, affecting the April clear‐sky UV index at Northern Hemisphere midlatitudes.</jats:p> On the influence of North Pacific sea surface temperature on the Arctic winter climate Journal of Geophysical Research: Atmospheres |
| spellingShingle | Hurwitz, M. M., Newman, P. A., Garfinkel, C. I., Journal of Geophysical Research: Atmospheres, On the influence of North Pacific sea surface temperature on the Arctic winter climate, Paleontology, Space and Planetary Science, Earth and Planetary Sciences (miscellaneous), Atmospheric Science, Earth-Surface Processes, Geochemistry and Petrology, Soil Science, Water Science and Technology, Ecology, Aquatic Science, Forestry, Oceanography, Geophysics |
| title | On the influence of North Pacific sea surface temperature on the Arctic winter climate |
| title_full | On the influence of North Pacific sea surface temperature on the Arctic winter climate |
| title_fullStr | On the influence of North Pacific sea surface temperature on the Arctic winter climate |
| title_full_unstemmed | On the influence of North Pacific sea surface temperature on the Arctic winter climate |
| title_short | On the influence of North Pacific sea surface temperature on the Arctic winter climate |
| title_sort | on the influence of north pacific sea surface temperature on the arctic winter climate |
| title_unstemmed | On the influence of North Pacific sea surface temperature on the Arctic winter climate |
| topic | Paleontology, Space and Planetary Science, Earth and Planetary Sciences (miscellaneous), Atmospheric Science, Earth-Surface Processes, Geochemistry and Petrology, Soil Science, Water Science and Technology, Ecology, Aquatic Science, Forestry, Oceanography, Geophysics |
| url | http://dx.doi.org/10.1029/2012jd017819 |