But measuring these changes in rainfall over the ocean is very, very difficult to do. But salinity is actually an important parameter that gives us an indication of what might be going on.

许多天气预报模型暗示，当气温升高的时候，水循环会发生变化，但是，我们很难在海洋上测量降雨的变化，不过，海洋中的盐分水平实际上是一个重要参数，能表明海洋上降雨的变化。

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But measuring these changes in rainfall over the ocean is very, very difficult to do. But salinity is actually an important parameter that gives us an indication of what might be going on.

许多天气预报模型暗示，当气温升高的时候，水循环会发生变化，但是，我们很难在海洋上测量降雨的变化，不过，海洋中的盐分水平实际上是一个重要参数，能表明海洋上降雨的变化。

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