干旱指标 meaning in English

drought index

Drought is one of the most serious meteorological disaster in china . there are different definition and index of drought in different field . because of the complexity of drought and the universality of its influence , most of the existent drought indexes have limitation in speciality and regionally application
干旱是我国危害最为严重的主要气象灾害之一。不同领域对干旱的定义不同，所制定的干旱指标也不同，由于干旱的复杂性和影响的广泛性，现有的大多数干旱指标考虑因素少、专业性和地域性较强。
The calculation results show that the method designed is quite satisfactory . the models can reproduce the annual precipitation sequence and monthly precipitation sequence . and then the regional aridity index can be estimated statistically , in addition , they can reproduce the characteristic of history precipitation series
这两类模型分别用于生成模拟年降雨量序列和月降雨量序列作为地区干旱指标序列，从而对所研究地区干旱特征量的统计特性进行估计，并对已发生的地区干旱的重现期进行识别。