Water is part of a large cycle: it travels over land via rivers and lakes and through the oceans before evaporating \ into \ the atmosphere and eventually returning to the surface by precipitation.

水是一个大循环的一部分：水蒸发到空气中，最终又通过雨雪等降水方式回到地表，在进入这个循环之前，水通过河湖流过陆地，进入海洋。

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One hundred and ten thousand cubic kilometers of precipitation, nearly 10 times the volume of Lake Superior, falls from the sky onto the earth's land surface every year.

一万一百多立方公里的降雨，几乎是湖泊级别容积的十倍，这是每年从天上到地球表面上的降水量。

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In addition to changes in temperatures and surface heat fluxes, they also observed changes in large-scale precipitation, particularly at the mid-latitudes in the Northern Hemisphere.

除了气温变化和地表的热传递，他们还观察到大规模的降水，特别是在北半球的中纬度地区。

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And now the Arctic's upper layers are getting less dense, for several reasons: melting Arctic glaciers, rising surface-water temperatures, increased precipitation and an absence of salt concentrations resulting from sea-ice formation.

ECONOMIST: The science

It has a freezing point well below 32 degrees Fahrenheit or zero Celsius and therefore is able to prevent the precipitation that falls into it from freezing on the plane's surface.

CNN: Airplane deicing: The how and why

An assessment of the impacts of climatic change in Latin America and the Caribbean supported by reliable data suggests that ??climate changes during the last century have included an increase in the surface medium temperature, particularly in medium and high latitudes, and changes in precipitation quantity and intensity in several countries of the Region (Southern Brazil, Paraguay, and Argentina).

UNESCO: Climatic Change