Arctic Snowfall from CloudSat Observations and Reanalyses
International audience While snowfall makes a major contribution to the hydrological cycle in the Arctic, state-of-the-art climatologies still significantly disagree. We present a satellite-based characterization of snowfall in the Arctic using CloudSat observations, and compare it with various othe...
Published in: | Journal of Climate |
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Format: | Article in Journal/Newspaper |
Language: | English |
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HAL CCSD
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Online Access: | https://doi.org/10.1175/JCLI-D-19-0105.1 https://hal.archives-ouvertes.fr/hal-02997782/file/%5B15200442%20-%20Journal%20of%20Climate%5D%20Arctic%20Snowfall%20from%20CloudSat%20Observations%20and%20Reanalyses.pdf https://hal.archives-ouvertes.fr/hal-02997782 |
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fttriple:oai:gotriple.eu:5uxdpdBDNCwDt4IQd2Xjw 2023-05-15T13:09:47+02:00 Arctic Snowfall from CloudSat Observations and Reanalyses Edel, L. Claud, C. Genthon, C. Palerme, C. Wood, N. L’Ecuyer, T., Bromwich, D. Laboratoire de Météorologie Dynamique (UMR 8539) (LMD) Institut national des sciences de l'Univers (INSU - CNRS)-École polytechnique (X)-École des Ponts ParisTech (ENPC)-Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS)-Département des Géosciences - ENS Paris École normale supérieure - Paris (ENS Paris) Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-École normale supérieure - Paris (ENS Paris) Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL) Norwegian Meteorological Institute Oslo (MET) University of Wisconsin-Madison Byrd Polar Research Center Ohio State University Columbus (OSU) 2020-03-15 https://doi.org/10.1175/JCLI-D-19-0105.1 https://hal.archives-ouvertes.fr/hal-02997782/file/%5B15200442%20-%20Journal%20of%20Climate%5D%20Arctic%20Snowfall%20from%20CloudSat%20Observations%20and%20Reanalyses.pdf https://hal.archives-ouvertes.fr/hal-02997782 en eng HAL CCSD American Meteorological Society hal-02997782 doi:10.1175/JCLI-D-19-0105.1 10670/1.hinapp hal-03407644 10670/1.rftix2 https://hal.archives-ouvertes.fr/hal-02997782/file/%5B15200442%20-%20Journal%20of%20Climate%5D%20Arctic%20Snowfall%20from%20CloudSat%20Observations%20and%20Reanalyses.pdf https://hal.archives-ouvertes.fr/hal-02997782 lic_creative-commons undefined Hyper Article en Ligne - Sciences de l'Homme et de la Société ISSN: 0894-8755 EISSN: 1520-0442 Journal of Climate Journal of Climate, American Meteorological Society, 2020, 33 (6), pp.2093-2109. ⟨10.1175/JCLI-D-19-0105.1⟩ envir geo Journal Article https://vocabularies.coar-repositories.org/resource_types/c_6501/ 2020 fttriple https://doi.org/10.1175/JCLI-D-19-0105.1 2023-01-22T17:54:51Z International audience While snowfall makes a major contribution to the hydrological cycle in the Arctic, state-of-the-art climatologies still significantly disagree. We present a satellite-based characterization of snowfall in the Arctic using CloudSat observations, and compare it with various other climatologies. First, we examine the frequency and phase of precipitation as well as the snowfall rates from CloudSat over 2007–10. Frequency of solid precipitation is higher than 70% over the Arctic Ocean and 95% over Greenland, while mixed precipitation occurs mainly over North Atlantic (50%) and liquid precipitation over land south of 70°N (40%). Intense mean snowfall rates are located over Greenland, the Barents Sea, and the Alaska range (>500 mm yr−1), and maxima are located over the southeast coast of Greenland (up to 2000 mm yr−1). Then we compare snowfall rates with the European Centre for Medium-Range Weather Forecasts (ECMWF) interim reanalysis (ERA-Interim, herein ERA-I) and Arctic System Reanalysis (ASR). Similar general geographical patterns are observed in all datasets, such as the high snowfall rates along the North Atlantic storm track. Yet, there are significant mean snowfall rate differences over the Arctic between 58° and 82°N between ERA-I (153 mm yr−1), ASR version 1 (206 mm yr−1), ASR version 2 (174 mm yr−1), and CloudSat (183 mm yr−1). Snowfall rates and differences are larger over Greenland. Phase attribution is likely to be a significant source of snowfall rate differences, especially regarding ERA-I underestimation. In spite of its nadir-viewing limitations, CloudSat is an essential source of information to characterize snowfall in the Arctic. Article in Journal/Newspaper alaska range Arctic Arctic Ocean Barents Sea Greenland North Atlantic Alaska Unknown Arctic Arctic Ocean Barents Sea Greenland Journal of Climate 33 6 2093 2109 |
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English |
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envir geo |
spellingShingle |
envir geo Edel, L. Claud, C. Genthon, C. Palerme, C. Wood, N. L’Ecuyer, T., Bromwich, D. Arctic Snowfall from CloudSat Observations and Reanalyses |
topic_facet |
envir geo |
description |
International audience While snowfall makes a major contribution to the hydrological cycle in the Arctic, state-of-the-art climatologies still significantly disagree. We present a satellite-based characterization of snowfall in the Arctic using CloudSat observations, and compare it with various other climatologies. First, we examine the frequency and phase of precipitation as well as the snowfall rates from CloudSat over 2007–10. Frequency of solid precipitation is higher than 70% over the Arctic Ocean and 95% over Greenland, while mixed precipitation occurs mainly over North Atlantic (50%) and liquid precipitation over land south of 70°N (40%). Intense mean snowfall rates are located over Greenland, the Barents Sea, and the Alaska range (>500 mm yr−1), and maxima are located over the southeast coast of Greenland (up to 2000 mm yr−1). Then we compare snowfall rates with the European Centre for Medium-Range Weather Forecasts (ECMWF) interim reanalysis (ERA-Interim, herein ERA-I) and Arctic System Reanalysis (ASR). Similar general geographical patterns are observed in all datasets, such as the high snowfall rates along the North Atlantic storm track. Yet, there are significant mean snowfall rate differences over the Arctic between 58° and 82°N between ERA-I (153 mm yr−1), ASR version 1 (206 mm yr−1), ASR version 2 (174 mm yr−1), and CloudSat (183 mm yr−1). Snowfall rates and differences are larger over Greenland. Phase attribution is likely to be a significant source of snowfall rate differences, especially regarding ERA-I underestimation. In spite of its nadir-viewing limitations, CloudSat is an essential source of information to characterize snowfall in the Arctic. |
author2 |
Laboratoire de Météorologie Dynamique (UMR 8539) (LMD) Institut national des sciences de l'Univers (INSU - CNRS)-École polytechnique (X)-École des Ponts ParisTech (ENPC)-Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS)-Département des Géosciences - ENS Paris École normale supérieure - Paris (ENS Paris) Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-École normale supérieure - Paris (ENS Paris) Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL) Norwegian Meteorological Institute Oslo (MET) University of Wisconsin-Madison Byrd Polar Research Center Ohio State University Columbus (OSU) |
format |
Article in Journal/Newspaper |
author |
Edel, L. Claud, C. Genthon, C. Palerme, C. Wood, N. L’Ecuyer, T., Bromwich, D. |
author_facet |
Edel, L. Claud, C. Genthon, C. Palerme, C. Wood, N. L’Ecuyer, T., Bromwich, D. |
author_sort |
Edel, L. |
title |
Arctic Snowfall from CloudSat Observations and Reanalyses |
title_short |
Arctic Snowfall from CloudSat Observations and Reanalyses |
title_full |
Arctic Snowfall from CloudSat Observations and Reanalyses |
title_fullStr |
Arctic Snowfall from CloudSat Observations and Reanalyses |
title_full_unstemmed |
Arctic Snowfall from CloudSat Observations and Reanalyses |
title_sort |
arctic snowfall from cloudsat observations and reanalyses |
publisher |
HAL CCSD |
publishDate |
2020 |
url |
https://doi.org/10.1175/JCLI-D-19-0105.1 https://hal.archives-ouvertes.fr/hal-02997782/file/%5B15200442%20-%20Journal%20of%20Climate%5D%20Arctic%20Snowfall%20from%20CloudSat%20Observations%20and%20Reanalyses.pdf https://hal.archives-ouvertes.fr/hal-02997782 |
geographic |
Arctic Arctic Ocean Barents Sea Greenland |
geographic_facet |
Arctic Arctic Ocean Barents Sea Greenland |
genre |
alaska range Arctic Arctic Ocean Barents Sea Greenland North Atlantic Alaska |
genre_facet |
alaska range Arctic Arctic Ocean Barents Sea Greenland North Atlantic Alaska |
op_source |
Hyper Article en Ligne - Sciences de l'Homme et de la Société ISSN: 0894-8755 EISSN: 1520-0442 Journal of Climate Journal of Climate, American Meteorological Society, 2020, 33 (6), pp.2093-2109. ⟨10.1175/JCLI-D-19-0105.1⟩ |
op_relation |
hal-02997782 doi:10.1175/JCLI-D-19-0105.1 10670/1.hinapp hal-03407644 10670/1.rftix2 https://hal.archives-ouvertes.fr/hal-02997782/file/%5B15200442%20-%20Journal%20of%20Climate%5D%20Arctic%20Snowfall%20from%20CloudSat%20Observations%20and%20Reanalyses.pdf https://hal.archives-ouvertes.fr/hal-02997782 |
op_rights |
lic_creative-commons undefined |
op_doi |
https://doi.org/10.1175/JCLI-D-19-0105.1 |
container_title |
Journal of Climate |
container_volume |
33 |
container_issue |
6 |
container_start_page |
2093 |
op_container_end_page |
2109 |
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1766198710433218560 |