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Characteristics of high‐precipitation events in Dronning Maud Land, Antarctica
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Zeitschriftentitel: | Journal of Geophysical Research: Atmospheres |
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Personen und Körperschaften: | , , , , , |
In: | Journal of Geophysical Research: Atmospheres, 115, 2010, D14 |
Format: | E-Article |
Sprache: | Englisch |
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American Geophysical Union (AGU)
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author_facet |
Schlosser, E. Manning, K. W. Powers, J. G. Duda, M. G. Birnbaum, G. Fujita, K. Schlosser, E. Manning, K. W. Powers, J. G. Duda, M. G. Birnbaum, G. Fujita, K. |
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author |
Schlosser, E. Manning, K. W. Powers, J. G. Duda, M. G. Birnbaum, G. Fujita, K. |
spellingShingle |
Schlosser, E. Manning, K. W. Powers, J. G. Duda, M. G. Birnbaum, G. Fujita, K. Journal of Geophysical Research: Atmospheres Characteristics of high‐precipitation events in Dronning Maud Land, Antarctica 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 |
schlosser, e. |
spelling |
Schlosser, E. Manning, K. W. Powers, J. G. Duda, M. G. Birnbaum, G. Fujita, K. 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/10.1029/2009jd013410 <jats:p>High‐resolution Antarctic Mesoscale Prediction System archive data were used to investigate high‐precipitation events at the deep ice core drilling site Kohnen Station, Dronning Maud Land, Antarctica, during the period 2001–2006. The precipitation is found to be highly episodic, with, on average, approximately eight high‐precipitation events per year that can bring more than half of the total annual accumulation. The duration of the events varies between 1 day and about 1 week. On most days in the remaining time of the year, however, daily precipitation sums are about one order of magnitude smaller than that for the high‐precipitation events. Synoptic weather patterns causing these events were directly connected to frontal systems of cyclones in only 20% of the 51 investigated cases. The majority of the events occurred in connection with (blocking) anticyclones and correspondingly amplified Rossby waves, which lead to advection of warm, moist air from relatively low latitudes. Possible changes in the seasonality and frequency of these events in a different climate can lead to a bias in ice core properties and might also strongly influence the mass balance of the Antarctic continent and thus global sea level change.</jats:p> Characteristics of high‐precipitation events in Dronning Maud Land, Antarctica Journal of Geophysical Research: Atmospheres |
doi_str_mv |
10.1029/2009jd013410 |
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Technik Geologie und Paläontologie Geographie Chemie und Pharmazie Land- und Forstwirtschaft, Gartenbau, Fischereiwirtschaft, Hauswirtschaft Biologie Allgemeine Naturwissenschaft Physik |
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title |
Characteristics of high‐precipitation events in Dronning Maud Land, Antarctica |
title_unstemmed |
Characteristics of high‐precipitation events in Dronning Maud Land, Antarctica |
title_full |
Characteristics of high‐precipitation events in Dronning Maud Land, Antarctica |
title_fullStr |
Characteristics of high‐precipitation events in Dronning Maud Land, Antarctica |
title_full_unstemmed |
Characteristics of high‐precipitation events in Dronning Maud Land, Antarctica |
title_short |
Characteristics of high‐precipitation events in Dronning Maud Land, Antarctica |
title_sort |
characteristics of high‐precipitation events in dronning maud land, antarctica |
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/10.1029/2009jd013410 |
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2010 |
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<jats:p>High‐resolution Antarctic Mesoscale Prediction System archive data were used to investigate high‐precipitation events at the deep ice core drilling site Kohnen Station, Dronning Maud Land, Antarctica, during the period 2001–2006. The precipitation is found to be highly episodic, with, on average, approximately eight high‐precipitation events per year that can bring more than half of the total annual accumulation. The duration of the events varies between 1 day and about 1 week. On most days in the remaining time of the year, however, daily precipitation sums are about one order of magnitude smaller than that for the high‐precipitation events. Synoptic weather patterns causing these events were directly connected to frontal systems of cyclones in only 20% of the 51 investigated cases. The majority of the events occurred in connection with (blocking) anticyclones and correspondingly amplified Rossby waves, which lead to advection of warm, moist air from relatively low latitudes. Possible changes in the seasonality and frequency of these events in a different climate can lead to a bias in ice core properties and might also strongly influence the mass balance of the Antarctic continent and thus global sea level change.</jats:p> |
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author | Schlosser, E., Manning, K. W., Powers, J. G., Duda, M. G., Birnbaum, G., Fujita, K. |
author_facet | Schlosser, E., Manning, K. W., Powers, J. G., Duda, M. G., Birnbaum, G., Fujita, K., Schlosser, E., Manning, K. W., Powers, J. G., Duda, M. G., Birnbaum, G., Fujita, K. |
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description | <jats:p>High‐resolution Antarctic Mesoscale Prediction System archive data were used to investigate high‐precipitation events at the deep ice core drilling site Kohnen Station, Dronning Maud Land, Antarctica, during the period 2001–2006. The precipitation is found to be highly episodic, with, on average, approximately eight high‐precipitation events per year that can bring more than half of the total annual accumulation. The duration of the events varies between 1 day and about 1 week. On most days in the remaining time of the year, however, daily precipitation sums are about one order of magnitude smaller than that for the high‐precipitation events. Synoptic weather patterns causing these events were directly connected to frontal systems of cyclones in only 20% of the 51 investigated cases. The majority of the events occurred in connection with (blocking) anticyclones and correspondingly amplified Rossby waves, which lead to advection of warm, moist air from relatively low latitudes. Possible changes in the seasonality and frequency of these events in a different climate can lead to a bias in ice core properties and might also strongly influence the mass balance of the Antarctic continent and thus global sea level change.</jats:p> |
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spelling | Schlosser, E. Manning, K. W. Powers, J. G. Duda, M. G. Birnbaum, G. Fujita, K. 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/10.1029/2009jd013410 <jats:p>High‐resolution Antarctic Mesoscale Prediction System archive data were used to investigate high‐precipitation events at the deep ice core drilling site Kohnen Station, Dronning Maud Land, Antarctica, during the period 2001–2006. The precipitation is found to be highly episodic, with, on average, approximately eight high‐precipitation events per year that can bring more than half of the total annual accumulation. The duration of the events varies between 1 day and about 1 week. On most days in the remaining time of the year, however, daily precipitation sums are about one order of magnitude smaller than that for the high‐precipitation events. Synoptic weather patterns causing these events were directly connected to frontal systems of cyclones in only 20% of the 51 investigated cases. The majority of the events occurred in connection with (blocking) anticyclones and correspondingly amplified Rossby waves, which lead to advection of warm, moist air from relatively low latitudes. Possible changes in the seasonality and frequency of these events in a different climate can lead to a bias in ice core properties and might also strongly influence the mass balance of the Antarctic continent and thus global sea level change.</jats:p> Characteristics of high‐precipitation events in Dronning Maud Land, Antarctica Journal of Geophysical Research: Atmospheres |
spellingShingle | Schlosser, E., Manning, K. W., Powers, J. G., Duda, M. G., Birnbaum, G., Fujita, K., Journal of Geophysical Research: Atmospheres, Characteristics of high‐precipitation events in Dronning Maud Land, Antarctica, 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 | Characteristics of high‐precipitation events in Dronning Maud Land, Antarctica |
title_full | Characteristics of high‐precipitation events in Dronning Maud Land, Antarctica |
title_fullStr | Characteristics of high‐precipitation events in Dronning Maud Land, Antarctica |
title_full_unstemmed | Characteristics of high‐precipitation events in Dronning Maud Land, Antarctica |
title_short | Characteristics of high‐precipitation events in Dronning Maud Land, Antarctica |
title_sort | characteristics of high‐precipitation events in dronning maud land, antarctica |
title_unstemmed | Characteristics of high‐precipitation events in Dronning Maud Land, Antarctica |
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/10.1029/2009jd013410 |