Arctic summer storm track in CMIP3/5 climate models

Verfasser / Beitragende:
[Kazuaki Nishii, Hisashi Nakamura, Yvan Orsolini]
Ort, Verlag, Jahr:
2015
Enthalten in:
Climate Dynamics, 44/5-6(2015-03-01), 1311-1327
Format:
Artikel (online)
ID: 605473897
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024 7 0 |a 10.1007/s00382-014-2229-y  |2 doi 
035 |a (NATIONALLICENCE)springer-10.1007/s00382-014-2229-y 
245 0 0 |a Arctic summer storm track in CMIP3/5 climate models  |h [Elektronische Daten]  |c [Kazuaki Nishii, Hisashi Nakamura, Yvan Orsolini] 
520 3 |a Model performance and future projection of Arctic summertime storm-track activity and associated background states are assessed on the basis of Coupled Model Intercomparison Project Phase 3 (CMIP3)/5 (CMIP5) climate models. Despite some improvement in the CMIP5 models relative to the CMIP3 models, most of the climate models underestimate summertime storm-track activity over the Arctic Ocean compared to six reanalysis data sets as measured locally as the variance of subweekly fluctuations of sea level pressure. Its large inter-model spread (i.e., model-to-model differences) is correlated with that of the intensity of the Beaufort Sea High and the lower-tropospheric westerlies in the Arctic region. Most of the CMIP3/5 models project the enhancement of storm-track activity over the Arctic Ocean off the eastern Siberian and Alaskan coasts, the region called the Arctic Ocean Cyclone Maximum, in association with the strengthening of the westerlies in the warmed climate. A model with stronger enhancement of the storm-track activity tends to accompany stronger land-sea contrast in surface air temperature across the Siberian coast, which reflects greater surface warming over the continent and slower warming over the Arctic Ocean. Other processes, however, may also be likely to contribute to the future changes of the storm-track activity, which gives uncertainty in the projection by multiple climate models. Our analysis suggests that further clarification of those processes that influence storm-track activity over the Arctic is necessary for more reliable future projections of the Arctic climate. 
540 |a Springer-Verlag Berlin Heidelberg, 2014 
690 7 |a Arctic  |2 nationallicence 
690 7 |a Cyclone  |2 nationallicence 
690 7 |a Storm track  |2 nationallicence 
690 7 |a Climate change  |2 nationallicence 
690 7 |a Climate model  |2 nationallicence 
700 1 |a Nishii  |D Kazuaki  |u Research Center for Advanced Science and Technology, University of Tokyo, 4-6-1 Komaba, Meguro-ku, 153-8904, Tokyo, Japan  |4 aut 
700 1 |a Nakamura  |D Hisashi  |u Research Center for Advanced Science and Technology, University of Tokyo, 4-6-1 Komaba, Meguro-ku, 153-8904, Tokyo, Japan  |4 aut 
700 1 |a Orsolini  |D Yvan  |u NILU - Norwegian Institute for Air Research, Instituttveien 18, 2027, Kjeller, Norway  |4 aut 
773 0 |t Climate Dynamics  |d Springer Berlin Heidelberg  |g 44/5-6(2015-03-01), 1311-1327  |x 0930-7575  |q 44:5-6<1311  |1 2015  |2 44  |o 382 
856 4 0 |u https://doi.org/10.1007/s00382-014-2229-y  |q text/html  |z Onlinezugriff via DOI 
898 |a BK010053  |b XK010053  |c XK010000 
900 7 |a Metadata rights reserved  |b Springer special CC-BY-NC licence  |2 nationallicence 
908 |D 1  |a research-article  |2 jats 
949 |B NATIONALLICENCE  |F NATIONALLICENCE  |b NL-springer 
950 |B NATIONALLICENCE  |P 856  |E 40  |u https://doi.org/10.1007/s00382-014-2229-y  |q text/html  |z Onlinezugriff via DOI 
950 |B NATIONALLICENCE  |P 700  |E 1-  |a Nishii  |D Kazuaki  |u Research Center for Advanced Science and Technology, University of Tokyo, 4-6-1 Komaba, Meguro-ku, 153-8904, Tokyo, Japan  |4 aut 
950 |B NATIONALLICENCE  |P 700  |E 1-  |a Nakamura  |D Hisashi  |u Research Center for Advanced Science and Technology, University of Tokyo, 4-6-1 Komaba, Meguro-ku, 153-8904, Tokyo, Japan  |4 aut 
950 |B NATIONALLICENCE  |P 700  |E 1-  |a Orsolini  |D Yvan  |u NILU - Norwegian Institute for Air Research, Instituttveien 18, 2027, Kjeller, Norway  |4 aut 
950 |B NATIONALLICENCE  |P 773  |E 0-  |t Climate Dynamics  |d Springer Berlin Heidelberg  |g 44/5-6(2015-03-01), 1311-1327  |x 0930-7575  |q 44:5-6<1311  |1 2015  |2 44  |o 382