The maps show a widely recognized indicator known as the Palmer Drought Severity Index.
该地图展现了公认的指标—帕尔默干旱强度指数。
The drought in north China is getting worse. officials changed the warning color from blue to yellow which alarms advancement in drought severity.
中国北方旱情日益严峻官方已经把旱情预警级别从蓝色提升到了黄色。
The difference does not lie in the severity of the drought.
区别不在于干旱的严重性。
Hydrologists fear that the severity of the drought has encouraged farmers to build more DAMS.
水文学家担心，干旱的严重程度会促使农民建造更多的水坝。
He says the impact resulting from the La Nina event was expected and he says regional weather centers warned countries of the severity of the drought that was looming.
他指出，他们已预料到拉尼娜造成的这种影响。他说，地区气象中心曾经警告这些国家，严重的旱灾已若隐若现。
Infestations of locusts have increased in both number and severity this summer amid the continuing drought in much of north-west China's Gansu Province, the Lanzhou Morning Post reported.
据《兰州晨报》报道，中国西北部的甘肃省大部分地区持续干旱，而今年夏天的蝗灾无论在次数及程度上均有所恶化。
Infestations of locusts have increased in both number and severity this summer amid the continuing drought in much of north-west China's Gansu Province, the Lanzhou Morning Post reported.
据《兰州晨报》报道，中国西北部的甘肃省大部分地区持续干旱，而今年夏天的蝗灾无论在次数及程度上均有所恶化。
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