Changes in Mixed Layer Depth and Spring Bloom in the Kuroshio Extension under Global Warming

The mixed layer is deep in January-April in the Kuroshio Extension region. This paper investigates the response in this region of mixed layer depth （MLD） and the spring bloom initiation to global warming using the output of 15 models from CMIP5. The models indicate that in the late 21st century the...

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Bibliographic Details
Published in:Advances in atmospheric sciences 2016-04, Vol.33 (4), p.452-461
Main Authors: Zhang, Ruosi, Xie, Shang-Ping, Xu, Lixiao, Liu, Qinyu
Format: Article
Language:English
Subjects:
Atmospheric Sciences
Climate change
Climate variability
Earth and Environmental Science
Earth Sciences
Geophysics/Geodesy
Global warming
Marine
Meteorology
MLD
Ocean circulation
Ocean temperature
Ocean-atmosphere interaction
全球变暖
开花
气候变暖
混合层深度
温度变化
空间格局
黑潮
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Summary:The mixed layer is deep in January-April in the Kuroshio Extension region. This paper investigates the response in this region of mixed layer depth （MLD） and the spring bloom initiation to global warming using the output of 15 models from CMIP5. The models indicate that in the late 21st century the mixed layer will shoal and the MLD reduction will be most pronounced in spring at about 33~N on the southern edge of the present deep-MLD region. The advection of temperature change in the upper 100 m by the mean eastward flow explains the spatial pattern of MLD shoaling in the models. Associated with the shoaling mixed layer, the onset of spring bloom inception is projected to advance due to the strengthened stratification in the warming climate.
ISSN:0256-1530
1861-9533
DOI:10.1007/s00376-015-5113-8