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Warming of intermediate water in the sea of Okhotsk since the 1950s

机译:1950年代以来鄂霍次克海中间水的变暖

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Okhotsk Sea Intermediate Water (OSIW), the source water for ventilation of North Pacific Intermediate Water, exhibits a multidecadal warming trend. Historical data show that OSIW temperatures increased by 0.28, 0.57, 0.31 and 0.10°C during 1955 to 2003 at potential densities of 26.8, 27.0, 27.2 and 27.4σθ, at depths of approximately 250, 500, 700 and 900 m, respectively. This rate of warming is much faster than that of the global ocean. This OSIW warming is likely linked to the reduced ventilation of cold Dense Shelf Water associated with brine rejection during sea ice formation.
机译:鄂霍次克海中间水(OSIW)是北太平洋中间水的通风源水,呈现出十年来的变暖趋势。历史数据表明,OSIW温度在1955年至2003年期间分别以大约25,000、27.0、27.2和27.4σθ的潜在密度在大约250、500、700和900 m的深度处分别升高了0.28、0.57、0.31和0.10°C。这种变暖速度比全球海洋快得多。 OSIW的这种变暖可能与冷密集架水的通风减少有关,这与海冰形成过程中的盐水排泄有关。

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