Analysis on impacts of hydro-climatic changes and human activities on available water changes in Central Asia

The Science of the Total Environment
Hui ChenYina Qiao

Abstract

Water resources in Central Asia are very scarce due to natural and anthropogenic impacts. Water shortages have been a major factor hampering the socio-economic development of Central Asia. Exploring internal interactions among climate change, human activities and terrestrial hydrological cycles will help to improve the management of water resources in Central Asia. In this paper, hydro-climatic and anthropogenic data for the period 2003-2016 from the Gravity Recovery and Climate Experiment (GRACE), the Global Land Data Assimilation System (GLDAS), the Climatic Research Unit (CRU) and the Moderate Resolution Imaging Spectroradiometer (MODIS) were used to analyze the influence of natural factors and human activities on changes of available water (AWC). The terrestrial water storage derived from GRACE and GLDAS remarkably declined in 2008, due to a serious drought, but increased thereafter. The AWC positively responded to the vegetation index, evapotranspiration, potential evapotranspiration and air temperature at a lag of 0-1 month, but to precipitation at a lag of 2-3 months. Results of correlation analysis with a spatial square moving window indicated that forests, grasses, croplands and water areas presented significantly posi...Continue Reading

References

May 17, 2017·The Science of the Total Environment·Liangliang JiangFelix Ndayisaba
Feb 13, 2019·The Science of the Total Environment·Junqiang YaoQing Yang
Oct 19, 2018·Journal of Hydrology·Venkat LakshmiJohn Bolten

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