As a unique seasonal natural phenomenon along the coastal areas, Salty Tide usually occurs in the dry season or the period of drought.

由于咸潮上溯属于沿海地区一种特有的季候性自然现象，多发于枯水季节、干旱时期。

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A drought by definition is a period of unusually dry weather.

干旱的定义是：一段时间内异常的干燥天气。

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Even a single drought can cut growth potential by 10 percent over an extended period, and historical levels of variability appear to diminish growth potential by over one-third.

即使是一场干旱也有可能使长期增长降低10%，而历史水平的降雨量变化则有可能使增长降低三分之一。

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This shrinkage coincides with a period of prolonged drought in eastern Africa, and was probably caused by it.

ECONOMIST: Human evolution: Before the exodus | The

Using it, he has built up a series of tree-ring chronologies from Thailand and Vietnam that indicate a period of severe drought across mainland South-East Asia in the early 1400s.

ECONOMIST: Tree rings are laying bare the climatic history of Asia

The bad weather does not bode well for Chinese inflation, as important agricultural products like cabbage and rape leaf prices have risen 16.1% and 18.2%, respectively, in the May 21 to May 30 period because of the drought, according to the National Bureau of Statistics.

FORBES: China Corn Safe From Massive Drought, Floods