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Sea level variability in the Arctic Ocean from AOMIP models

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Zeitschriftentitel: Journal of Geophysical Research: Oceans
Personen und Körperschaften: Proshutinsky, A., Ashik, I., Häkkinen, S., Hunke, E., Krishfield, R., Maltrud, M., Maslowski, W., Zhang, J.
In: Journal of Geophysical Research: Oceans, 112, 2007, C4
Medientyp: E-Article
Sprache: Englisch
veröffentlicht:
American Geophysical Union (AGU)
Schlagwörter:
author_facet Proshutinsky, A.
Ashik, I.
Häkkinen, S.
Hunke, E.
Krishfield, R.
Maltrud, M.
Maslowski, W.
Zhang, J.
Proshutinsky, A.
Ashik, I.
Häkkinen, S.
Hunke, E.
Krishfield, R.
Maltrud, M.
Maslowski, W.
Zhang, J.
author Proshutinsky, A.
Ashik, I.
Häkkinen, S.
Hunke, E.
Krishfield, R.
Maltrud, M.
Maslowski, W.
Zhang, J.
spellingShingle Proshutinsky, A.
Ashik, I.
Häkkinen, S.
Hunke, E.
Krishfield, R.
Maltrud, M.
Maslowski, W.
Zhang, J.
Journal of Geophysical Research: Oceans
Sea level variability in the Arctic Ocean from AOMIP models
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 proshutinsky, a.
spelling Proshutinsky, A. Ashik, I. Häkkinen, S. Hunke, E. Krishfield, R. Maltrud, M. Maslowski, W. Zhang, J. 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/10.1029/2006jc003916 <jats:p>Monthly sea levels from five Arctic Ocean Model Intercomparison Project (AOMIP) models are analyzed and validated against observations in the Arctic Ocean. The AOMIP models are able to simulate variability of sea level reasonably well, but several improvements are needed to reduce model errors. It is suggested that the models will improve if their domains have a minimum depth less than 10 m. It is also recommended to take into account forcing associated with atmospheric loading, fast ice, and volume water fluxes representing Bering Strait inflow and river runoff. Several aspects of sea level variability in the Arctic Ocean are investigated based on updated observed sea level time series. The observed rate of sea level rise corrected for the glacial isostatic adjustment at 9 stations in the Kara, Laptev, and East Siberian seas for 1954–2006 is estimated as 0.250 cm/yr. There is a well pronounced decadal variability in the observed sea level time series. The 5‐year running mean sea level signal correlates well with the annual Arctic Oscillation (AO) index and the sea level atmospheric pressure (SLP) at coastal stations and the North Pole. For 1954–2000 all model results reflect this correlation very well, indicating that the long‐term model forcing and model reaction to the forcing are correct. Consistent with the influences of AO‐driven processes, the sea level in the Arctic Ocean dropped significantly after 1990 and increased after the circulation regime changed from cyclonic to anticyclonic in 1997. In contrast, from 2000 to 2006 the sea level rose despite the stabilization of the AO index at its lowest values after 2000.</jats:p> Sea level variability in the Arctic Ocean from AOMIP models Journal of Geophysical Research: Oceans
doi_str_mv 10.1029/2006jc003916
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title Sea level variability in the Arctic Ocean from AOMIP models
title_unstemmed Sea level variability in the Arctic Ocean from AOMIP models
title_full Sea level variability in the Arctic Ocean from AOMIP models
title_fullStr Sea level variability in the Arctic Ocean from AOMIP models
title_full_unstemmed Sea level variability in the Arctic Ocean from AOMIP models
title_short Sea level variability in the Arctic Ocean from AOMIP models
title_sort sea level variability in the arctic ocean from aomip models
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/10.1029/2006jc003916
publishDate 2007
physical
description <jats:p>Monthly sea levels from five Arctic Ocean Model Intercomparison Project (AOMIP) models are analyzed and validated against observations in the Arctic Ocean. The AOMIP models are able to simulate variability of sea level reasonably well, but several improvements are needed to reduce model errors. It is suggested that the models will improve if their domains have a minimum depth less than 10 m. It is also recommended to take into account forcing associated with atmospheric loading, fast ice, and volume water fluxes representing Bering Strait inflow and river runoff. Several aspects of sea level variability in the Arctic Ocean are investigated based on updated observed sea level time series. The observed rate of sea level rise corrected for the glacial isostatic adjustment at 9 stations in the Kara, Laptev, and East Siberian seas for 1954–2006 is estimated as 0.250 cm/yr. There is a well pronounced decadal variability in the observed sea level time series. The 5‐year running mean sea level signal correlates well with the annual Arctic Oscillation (AO) index and the sea level atmospheric pressure (SLP) at coastal stations and the North Pole. For 1954–2000 all model results reflect this correlation very well, indicating that the long‐term model forcing and model reaction to the forcing are correct. Consistent with the influences of AO‐driven processes, the sea level in the Arctic Ocean dropped significantly after 1990 and increased after the circulation regime changed from cyclonic to anticyclonic in 1997. In contrast, from 2000 to 2006 the sea level rose despite the stabilization of the AO index at its lowest values after 2000.</jats:p>
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author Proshutinsky, A., Ashik, I., Häkkinen, S., Hunke, E., Krishfield, R., Maltrud, M., Maslowski, W., Zhang, J.
author_facet Proshutinsky, A., Ashik, I., Häkkinen, S., Hunke, E., Krishfield, R., Maltrud, M., Maslowski, W., Zhang, J., Proshutinsky, A., Ashik, I., Häkkinen, S., Hunke, E., Krishfield, R., Maltrud, M., Maslowski, W., Zhang, J.
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description <jats:p>Monthly sea levels from five Arctic Ocean Model Intercomparison Project (AOMIP) models are analyzed and validated against observations in the Arctic Ocean. The AOMIP models are able to simulate variability of sea level reasonably well, but several improvements are needed to reduce model errors. It is suggested that the models will improve if their domains have a minimum depth less than 10 m. It is also recommended to take into account forcing associated with atmospheric loading, fast ice, and volume water fluxes representing Bering Strait inflow and river runoff. Several aspects of sea level variability in the Arctic Ocean are investigated based on updated observed sea level time series. The observed rate of sea level rise corrected for the glacial isostatic adjustment at 9 stations in the Kara, Laptev, and East Siberian seas for 1954–2006 is estimated as 0.250 cm/yr. There is a well pronounced decadal variability in the observed sea level time series. The 5‐year running mean sea level signal correlates well with the annual Arctic Oscillation (AO) index and the sea level atmospheric pressure (SLP) at coastal stations and the North Pole. For 1954–2000 all model results reflect this correlation very well, indicating that the long‐term model forcing and model reaction to the forcing are correct. Consistent with the influences of AO‐driven processes, the sea level in the Arctic Ocean dropped significantly after 1990 and increased after the circulation regime changed from cyclonic to anticyclonic in 1997. In contrast, from 2000 to 2006 the sea level rose despite the stabilization of the AO index at its lowest values after 2000.</jats:p>
doi_str_mv 10.1029/2006jc003916
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spelling Proshutinsky, A. Ashik, I. Häkkinen, S. Hunke, E. Krishfield, R. Maltrud, M. Maslowski, W. Zhang, J. 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/10.1029/2006jc003916 <jats:p>Monthly sea levels from five Arctic Ocean Model Intercomparison Project (AOMIP) models are analyzed and validated against observations in the Arctic Ocean. The AOMIP models are able to simulate variability of sea level reasonably well, but several improvements are needed to reduce model errors. It is suggested that the models will improve if their domains have a minimum depth less than 10 m. It is also recommended to take into account forcing associated with atmospheric loading, fast ice, and volume water fluxes representing Bering Strait inflow and river runoff. Several aspects of sea level variability in the Arctic Ocean are investigated based on updated observed sea level time series. The observed rate of sea level rise corrected for the glacial isostatic adjustment at 9 stations in the Kara, Laptev, and East Siberian seas for 1954–2006 is estimated as 0.250 cm/yr. There is a well pronounced decadal variability in the observed sea level time series. The 5‐year running mean sea level signal correlates well with the annual Arctic Oscillation (AO) index and the sea level atmospheric pressure (SLP) at coastal stations and the North Pole. For 1954–2000 all model results reflect this correlation very well, indicating that the long‐term model forcing and model reaction to the forcing are correct. Consistent with the influences of AO‐driven processes, the sea level in the Arctic Ocean dropped significantly after 1990 and increased after the circulation regime changed from cyclonic to anticyclonic in 1997. In contrast, from 2000 to 2006 the sea level rose despite the stabilization of the AO index at its lowest values after 2000.</jats:p> Sea level variability in the Arctic Ocean from AOMIP models Journal of Geophysical Research: Oceans
spellingShingle Proshutinsky, A., Ashik, I., Häkkinen, S., Hunke, E., Krishfield, R., Maltrud, M., Maslowski, W., Zhang, J., Journal of Geophysical Research: Oceans, Sea level variability in the Arctic Ocean from AOMIP models, 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 Sea level variability in the Arctic Ocean from AOMIP models
title_full Sea level variability in the Arctic Ocean from AOMIP models
title_fullStr Sea level variability in the Arctic Ocean from AOMIP models
title_full_unstemmed Sea level variability in the Arctic Ocean from AOMIP models
title_short Sea level variability in the Arctic Ocean from AOMIP models
title_sort sea level variability in the arctic ocean from aomip models
title_unstemmed Sea level variability in the Arctic Ocean from AOMIP models
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/10.1029/2006jc003916