GSTDTAP  > 气候变化
DOI10.1007/s00382-017-3761-3
Which complexity of regional climate system models is essential for downscaling anthropogenic climate change in the Northwest European Shelf?
Mathis, Moritz1; Elizalde, Alberto2; Mikolajewicz, Uwe1
2018-04-01
发表期刊CLIMATE DYNAMICS
ISSN0930-7575
EISSN1432-0894
出版年2018
卷号50页码:2637-2659
文章类型Article
语种英语
国家Germany
英文摘要

Climate change impact studies for the Northwest European Shelf (NWES) make use of various dynamical downscaling strategies in the experimental setup of regional ocean circulation models. Projected change signals from coupled and uncoupled downscalings with different domain sizes and forcing global and regional models show substantial uncertainty. In this paper, we investigate influences of the downscaling strategy on projected changes in the physical and biogeochemical conditions of the NWES. Our results indicate that uncertainties due to different downscaling strategies are similar to uncertainties due to the choice of the parent global model and the downscaling regional model. Downscaled change signals reveal to depend stronger on the downscaling strategy than on the model skills in simulating present-day conditions. Uncoupled downscalings of sea surface temperature (SST) changes are found to be tightly constrained by the atmospheric forcing. The incorporation of coupled air-sea interaction, by contrast, allows the regional model system to develop independently. Changes in salinity show a higher sensitivity to open lateral boundary conditions and river runoff than to coupled or uncoupled atmospheric forcings. Dependencies on the downscaling strategy for changes in SST, salinity, stratification and circulation collectively affect changes in nutrient import and biological primary production.


英文关键词Dynamical downscaling Climate change Air-sea interaction Ocean-atmosphere coupling North Sea Northwest European Shelf
领域气候变化
收录类别SCI-E
WOS记录号WOS:000428600200018
WOS关键词GENERAL-CIRCULATION ; CARBON BUDGET ; PART I ; OCEAN ; SEA ; ATLANTIC ; WATER ; VARIABILITY ; EXCHANGE ; TEMPERATURE
WOS类目Meteorology & Atmospheric Sciences
WOS研究方向Meteorology & Atmospheric Sciences
引用统计
文献类型期刊论文
条目标识符http://119.78.100.173/C666/handle/2XK7JSWQ/36440
专题气候变化
作者单位1.Max Planck Inst Meteorol, Bundesstr 53, D-20146 Hamburg, Germany;
2.Univ Hamburg, Inst Oceanog, Bundesstr 53, D-20146 Hamburg, Germany
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GB/T 7714
Mathis, Moritz,Elizalde, Alberto,Mikolajewicz, Uwe. Which complexity of regional climate system models is essential for downscaling anthropogenic climate change in the Northwest European Shelf?[J]. CLIMATE DYNAMICS,2018,50:2637-2659.
APA Mathis, Moritz,Elizalde, Alberto,&Mikolajewicz, Uwe.(2018).Which complexity of regional climate system models is essential for downscaling anthropogenic climate change in the Northwest European Shelf?.CLIMATE DYNAMICS,50,2637-2659.
MLA Mathis, Moritz,et al."Which complexity of regional climate system models is essential for downscaling anthropogenic climate change in the Northwest European Shelf?".CLIMATE DYNAMICS 50(2018):2637-2659.
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