drought index meaning in English
干旱指标
干旱指数
Examples
- The characteristics and prediction of spring drought index in the east gansu province
甘肃东部春播期干旱指数的变化特征及预测 - The second part is the analysis of droughts in chongqing , the contents of this part are made of droughts index , droughts type and grade differentiation method . , droughts characteristics , droughts mechanism and background of formation of chongqing . it describes droughts of chongqing detailedly
第二部分为重庆市旱灾分析，这一部分以重庆市旱灾指标、旱灾类型及等级划分方法、旱灾特点、旱灾成灾机制与背景为内容，详细对重庆市的旱灾进行论述。 - The computed palmer drought index of 124 stations in the north of china are used to analyse some charactersin this region , including the main drouthy years and its severity , the drought range , etc . . we also analyse the main drouthy periods , the frequency of each drought degree , the main area and the drought cycle in northwest china , north china and northeast china . on the base of the further modification of palmer drought severity model , a daily palmer drought severity model are developed . lt indicated that the daily drought index is accordant with the monthly drought index , and can reflect the change of severity in detail
应用进一步修正的帕默尔旱度模式计算的我国北方地区124个站点的40年逐月旱度值，分析了我国北方地区的一些干旱特征，包括北方地区旱情较重的大旱年及其严重程度、主要干旱区；华北、西北和东北地区各等级干旱发生频率、主要干旱时段、干旱周期等，为防旱抗旱提供了科学依据。 - The precipitation and evaporation data at 12 observational stations from 1958 to 2003 were used to calculate the spring drought index , the criterion of spring drought and the spring drought index series were set up , the spatial and temporal features , yearly and decadal climate variability of the indexes of the loess plateau in gansu province were analyzed
摘要利用甘肃省甘肃黄土高原地区12个代表站1958 ~ 2003年春季3 ~ 5月逐候降水、蒸发资料，建立了该地区早春旱和晚春旱指数序列，确定了春旱等级标准，进一步分析了春旱的时空分布特征及其年际（年代际）变化规律。 - 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。