【摘要】 从流域概况、降雨、径流、输沙等方面,对90年代以来渭河降水减少、人类活动影响以及入境水量减少等因素的统计分析,提出了渭河流域水沙变化的特性及影响水沙减少的因素。更多还原

【Abstract】 The factors of rainfall reduction of the Weihe River since 1990s,the effect of human activity and reduction of water flowed into the Weihe River are analyzed from the aspects of basin,rainfall,runoff and sediment,the characteristic of variation of water and sediment and factors influencing water and sediment are presented.更多还原