A comparative study of available water in the major river basins of the world

作者: Venkat Lakshmi , Jessica Fayne , John Bolten

DOI: 10.1016/J.JHYDROL.2018.10.038

关键词:

摘要: Abstract Numerous large river basins of the world have few and irregular observations components terrestrial hydrological cycle with exception stream gauges at a locations outlet along sparsely distributed rain gauges. Using from satellite sensors output global land surface models, it is possible to study these under-observed basins. With populations greater than billion people, some rivers (e.g., Ganga-Brahmaputra, Yangtze, Nile Mekong) are economic engines countries they transect, yet thorough assessment their flow dynamics variability in regard water resource management still lacking. In this paper, we use soil moisture (0–2 m) runoff NASA Global Land Data Assimilation System (GLDAS), evapotranspiration, Normalized Difference Vegetation Index (NDVI) Moderate Resolution Imaging Spectroradiometer (MODIS) rainfall Tropical Rainfall Measuring Mission (TRMM) total storage anomaly Gravity Recovery Climate Experiment (GRACE) examine individual balance components. To end, understanding inter-annual intra-seasonal spatial major will help plan for improved resources future.

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