当水蒸发时,大量的热被吸收了。
当水从海洋表面蒸发时,往往会留下较重的同位素,所以剩余的海水会逐渐富含氧18这种同位素。
Heavier isotopes tend to be left behind when water evaporates from the ocean surfaces, the remaining ocean water becomes progressively enriched in oxygen 18.
当冰河时代开始时,大陆上的冰原逐渐增大,从海洋中蒸发出来的水逐渐减少,而这些水最终又会回到陆地上。
When an ice age begins, the continental ice sheets grow, steadily reducing the amount of water evaporated from the ocean that will eventually return to it.
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