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Rainfall and surface water resources of Rajasthan State, India

机译：印度拉贾斯坦邦的降雨和地表水资源

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The water resources in Rajasthan State are facing a crucial stage even after average/good rainfall. Temporal distributions as well as the spatial variability of rainfall within the state were investigated by applying an analysis of variance (ANOVA) test. The effect of change in catchment characteristics and anthropogenic activities on overland flow are also investigated in this paper by applying a regression technique. Inflow to the surface water resources of the state is regularly decreasing. Time series analysis and sequential cluster analysis reveals that 1994 was the critical year, which divides the two consecutive non-overlapping epochs viz. pre-disturbance and post-disturbance. Due to increasing population and the subsequent increase in agriculture (specifically using groundwater sources) having increased catchment interceptions, there is a regular decreasing trend of surface runoff and surface water availability. The study highlights that, in spite of an increasing trend of rainfall witnessed during the last 100 years, inflow to the surface water resources of the state is decreasing at a fast pace owing to a decrease in the percentage area contributing to surface runoff.
机译：拉贾斯坦邦的水资源即使在平均/良好降雨之后也正处于关键阶段。通过应用方差分析（ANOVA）检验研究了该州内降雨的时间分布和空间变异性。本文还通过应用回归技术研究了流域特征和人为活动的变化对陆上水流的影响。该州地表水资源的流入量有规律地减少。时间序列分析和顺序聚类分析表明，1994年是关键的一年，它将两个连续的非重叠时期分开。干扰前和干扰后。由于人口增加以及随后的农业增加（特别是使用地下水源），导致流域拦截量增加，因此地表径流和地表水可利用量呈规律性下降的趋势。该研究强调，尽管在过去的100年中降雨呈上升趋势，但由于造成地表径流的面积百分比减少，该州地表水资源的流入量却迅速减少。

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