Characterization and prioritization of watersheds has gained importance for proper planning and management of natural resources in sustainable development. Implementation of management practices over a larger area at the same time is inaccessible and uneconomical. So, it has required applying a viable technique for prioritization of critical sub-watersheds. Thus, the present study was aimed to prioritizing erosion-prone sub-watersheds using morphometric analysis. Advanced space-borne thermal emission and reflection radiometer of 30m resolution DEM has used to generate drainage networks and delineation of sub-watersheds using ArcGIS software. The important derived morphometric parameters have computed on the base of already developed mathematical formulae and methods. The study area (a watershed) has classified into seven interesting sub-watersheds, which have ordered SW1–SW7. The very important quantitative watershed aspects such as linear, relief and areal have been taken in consideration, and eighteen morphometric parameters have been selected and used for ranking and prioritizing of sub-watersheds. In this regard, sub-watersheds (SW7, SW3 and SW4) and (SW5, SW6 and SW2) have categorized into higher and medium priorities, whereas sub-watershed (SW1) has assigned at lower priority. This implied that SW1 is relatively sustainable than others, on the contrary, SW7 is relatively affected sub-watershed by runoff and soil erosion that needs first priority for management practices. Therefore, the study proposes a useful soil and water conservation practices such as bunds, check dams, micro-basins and multipurpose tree species planting based on suitable location and design parameters. The decision makers should optimally allocate the investments according to this final priority. And it has required to monitor and evaluate due to environmental sound, economical viable and socially acceptable. Also it has required developing an integrated approach for characterizing and prioritizing of sub-watersheds.

中文翻译：

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埃塞俄比亚南非大裂谷吉达博盆地优先考虑子流域的形态计量分析和管理规划与实践

分水岭的特征描述和优先排序对于可持续发展中自然资源的正确规划和管理已变得越来越重要。同时在更大范围内实施管理实践是无法实现的，而且不经济。因此，它需要应用一种可行的技术来对关键子流域进行优先级排序。因此，本研究旨在使用形态计量分析对易侵蚀的小流域进行优先排序。先进的30m分辨率DEM的星载热发射和反射辐射计已用于使用ArcGIS软件生成排水网络和子流域划分。重要的派生形态参数已在已经开发的数学公式和方法的基础上进行了计算。研究区域（一个分水岭）已分为七个有趣的子分水岭，已订购SW1-SW7。已经考虑了非常重要的定量分水岭方面，例如线性，浮雕和面积，并且选择了18个形态计量参数并将其用于子分水岭的排序和优先级排序。在这方面，子集水区（SW7，SW3和SW4）和（SW5，SW6和SW2）分为高优先级和中级优先级，而子集水区（SW1）的优先级较低。这意味着SW1比其他SW1具有相对的可持续性，相反，SW7受径流和水土流失的影响相对较小，该流域和水土流失需要管理实践的重中之重。因此，该研究根据合适的位置和设计参数，提出了有用的水土保持措施，例如外滩，防洪堤，微流域和多用途树种的种植。决策者应根据此最终优先级对投资进行最佳分配。而且由于环境合理，经济上可行并且在社会上可以接受，因此需要进行监控和评估。它还需要开发一种综合方法来表征子流域并确定其优先级。