Different Land Management Measures and Climate Change Impacts on the Runoff: A Simple Empirical Method Derived in a Mesoscale Catchment on the Loess Plateau

Zhang, Lulu, Feger, Karl-Heinz, Schwärzel, Kai, Podlasly, Christian and Wang, Yanhui, (2015). Different Land Management Measures and Climate Change Impacts on the Runoff: A Simple Empirical Method Derived in a Mesoscale Catchment on the Loess Plateau. Journal of Arid Environments, 120 42-50

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  • Sub-type Journal article
    Author Zhang, Lulu
    Feger, Karl-Heinz
    Schwärzel, Kai
    Podlasly, Christian
    Wang, Yanhui
    Title Different Land Management Measures and Climate Change Impacts on the Runoff: A Simple Empirical Method Derived in a Mesoscale Catchment on the Loess Plateau
    Appearing in Journal of Arid Environments
    Volume 120
    Publication Date 2015
    Place of Publication Oxford
    Publisher Elsevier Inc.
    Start page 42
    End page 50
    Language eng
    Abstract Large-scale vegetation restoration and climate change triggered a significant decline in runoff in the middle reaches of the Yellow River and its tributaries. This runoff decline intensifies inherent water shortage and results in more severe water use conflicts that are threatening sustainable development in the Loess Plateau. Innovative strategies for more water-efficient land management are essential. To this end, the factors controlling runoff were investigated using the upstream area of the Jing River as an example. Runoff was found to be mainly controlled by evaporative demand, precipitation, and land cover type. Budyko's frameworks were applied to predict the annual and long-term runoff; however, the effect of changes in land management (e.g., afforestation) on runoff cannot be assessed due to lack of vegetation factors. Therefore, an empirical analysis tool was derived based on an existing relationship for runoff estimation. This method was found to be more effective in reproducing the annual and long-term runoff than others. The incorporation of temporal changes in land cover and form in approach enables the estimation of the possible impact of soil conservation measures (e.g., afforestation or terracing). Our study highlights the importance of adaptive land management strategies for mitigating water shortage on the Loess Plateau.
    UNBIS Thesaurus SOIL EROSION
    CLIMATE CHANGE
    Keyword Runoff reduction
    Land-use pattern
    Water resources management
    Empirical method
    Copyright Holder Elsevier Ltd.
    Copyright Year 2015
    Copyright type All rights reserved
    DOI 10.1016/j.jaridenv.2015.04.005
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    Created: Mon, 14 Sep 2015, 23:19:52 JST by Claudia Matthias on behalf of UNU FLORES