网络释义 1. 气象干旱 气象干旱(Meteorological Drought)是由降水和蒸发不平衡所造成的水分短缺现象。农业干旱(Agricultural Drought)是以土 … www.jiangmen.gov.cn|基于7个网页
Meteorological drought has been an inevitable natural disaster throughout Mexican history and the northern and northwestern parts of Mexico(i.e., the studied area), where the mean annual precipitation(MAP) is less than 500 mm, have suffered even more from droughts in the past. The aim of ...
Meteorological Drought 来自 ResearchGate 喜欢 0 阅读量: 1603 作者: Wayne C. Palmer 摘要: Drought can be considered as a strictly meteorological phenomenon. It can be evaluated as a meteorological anomaly characterized by a prolonged and abnormal moisture deficiency. Not only does this approach ...
Like many other African countries, incidence of drought is increasing in Nigeria. In this work, spatiotemporal changes in droughts under different representative concentration pathway (RCP) scenarios were assessed; considering their greatest impacts on l
Study on integratedmeteorological droughtindex based on PDSI and SPI 基于PDSI和SPI的综合气象干旱指数研究 2. The index used in describing hydrologic drought andmeteorological droughtare presented in this paper. 概述了气象干旱和水文干旱的指标种类,并对各指标进行初步评述,同时详细介绍了几种常用干旱指数的计...
Generally, meteorological drought is the fuse of hydrological drought; thus, it is important to understand the characteristics of meteorological drought and its propagation to hydrological drought for early warning. Taking the Pearl River Basin (PRB) in China as study area, this study adopted K-...
the drought days of different grades decrease from south to north,with the plain of southern Hebei Province having the most and the north of Zhangjiakou having the least;drought frequency in spring is the highest while that in summer is the lowest,With the occurrence frequencies decrease from ...
Therefore, meteorological drought indices are commonly used proxies of periods of significant soil moisture deficit. However, the question remains whether soil moisture droughts can be adequately characterised using meteorological variables such as rainfall and potential evaporation, or whether a more ...
2) the compound drought index 综合气象干旱指数 1. Variations in droughts are analyzed based on the calculation results of the compound drought index IC. 利用我国地面606个气象观测台站1951—2006年的逐日降水量和平均气温资料,使用《气象干旱等级》国家标准中推荐使用的综合气象干旱指数(IC),分析了近半...
Classification of Meteorological Drought