期刊
GEOPHYSICAL RESEARCH LETTERS
卷 29, 期 8, 页码 -出版社
AMER GEOPHYSICAL UNION
DOI: 10.1029/2001GL014310
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[1] Recent estimates have shown the heat gained by the ocean, atmosphere, and cryosphere as 18.2 10(22) J, 6.6 . 10(21) J, and 8.1 . 10(21) J, respectively over the past half-century. However, the heat gain of the lithosphere via a heat flux across the solid surface of the continents (29% of the Earth's surface) has not been addressed. Here we calculate that component of Earth's changing energy budget, using ground-surface temperature reconstructions for the continents. In the last half-century there was an average flux of 39.1 mW m(-2) across the land surface into the subsurface, leading to 9.1 . 10(21) J absorbed by the ground. The heat inputs during the last half-century into all the major components of the climate system-atmosphere, ocean, cryosphere, lithosphere-reinforce the conclusion that the warming during the interval has been global.
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