Ensuring Water Security for the sustainability of the Hani Rice Terraces, China against Climate and Land Use changes

Herath, Srikantha, Jayaraman, Archana and Diwa, Johanna (2015). Ensuring Water Security for the sustainability of the Hani Rice Terraces, China against Climate and Land Use changes. Rice Terrace Farming Systems Working Paper Series. United Nations University Institute for the Advanced Study of Sustainability.

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  • Sub-type Working paper
    Author Herath, Srikantha
    Jayaraman, Archana
    Diwa, Johanna
    Title Ensuring Water Security for the sustainability of the Hani Rice Terraces, China against Climate and Land Use changes
    Series Title Rice Terrace Farming Systems Working Paper Series
    Volume/Issue No. 2
    Publication Date 2015-06
    Place of Publication Tokyo
    Publisher United Nations University Institute for the Advanced Study of Sustainability
    Pages 8
    Language eng
    Abstract This study aims to assess the hydrological response of the selected study sites in the Hani Rice Terrace to climate change. Subsequently, it sets a process for analyzing a complex, interconnected hydrological system with varying topography and containing different landscape elements across different reaches for enhancing livelihoods of terrace communities. In the current analysis, instances of scarcity and periods of concentrated availability have been noticed, both in the upstream and the downstream reaches, under historical and future rainfall scenarios and demand changes. Reconciling water availability with equitable access has been identified as the most important issue that needs policy formulation and institutional arrangements. In this research, water scarcity index as a tool is used to identity and understand threats to water security and is found to be an appropriate way of looking at overall changes in demand and supply. The analysis is conducted with available spatial data derived from satellite and global data sets complimented with field surveys, and estimates are expected to be representative. It is seen that the water scarcity index can also be used to identify periods in which action is required and show if interventions can really help solve a given problem in a simple manner.
    UNBIS Thesaurus CLIMATE CHANGE
    LAND USE
    Keyword Water security
    Rice terraces
    Copyright Holder United Nations University
    Copyright Year 2015
    Copyright type All rights reserved
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    Created: Tue, 08 Dec 2015, 13:09:50 JST by Lucia Kovacova on behalf of UNU IAS