菲律宾海底层水体在1990s—2010s之间的暖化*

doi:10.11978/2018015

Abstract

Abstract:

Repeated trans-Philippine-Sea hydrographic observations reveal that the bottom water in the Philippine Sea has warmed up by about 0.002~0.01℃ between 1990s and 2010s. In the West Mariana Basin and the Shikoku Basin, the colder portion of the Lower Circumpolar Deep Water (LCDW) decreased while the warmer portion increased. In the Philippine Basin, the colder portion of modified LCDW decreased while the warmer portion increased. The heat flux at the 4000-dbar isobath is 0.0413W·m^-2 in the Philippine Basin and 0.0221W·m^-2 in the West Mariana Basin and the Shikoku Basin. The sea level rise is 0.0621mm·yr^-1 in the Philippine Basin and 0.0333mm·yr^-1 in the West Mariana Basin and the Shikoku Basin due to deep ocean thermal expansion.

Key words: warming, bottom water, Philippine Sea

CLC Number:

P731.11

Caijing HUANG, Qiang XIE, Ju CHEN, Yeqiang SHU, Lingfang CHEN. Bottom-water warming in the Philippine Sea between 1990s and 2010s[J].Journal of Tropical Oceanography, 2018, 37(6): 26-32.

Figures/Tables 6

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Bottom-water warming in the Philippine Sea between 1990s and 2010s

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