Prioritization of river basin in semi-arid to sub-humid tropical region is important in the context of natural resources conservation and management. In this paper, the Gomti River basin was prioritized for soil–water resource conservation based on analysis of morphometric parameters and land use–land cover with RS and GIS techniques. Gomti River is a monsoon and groundwater-fed river; it is a tributary of Ganga River. The basin has been divided into seventeen sub-basins. ASTER (30 m) Digital Elevation Model data and LANDSAT—8 (30 m) satellite imagery were used to analyze the morphometric parameters and to generate land-use–land-cover data for the basin through supervised image classification technique. The linear, areal, and relief aspects of each sub-basins were determined. Morphometric analysis revealed that the basin is a fifth-order drainage system with a dendritic to sub-dendritic drainage pattern. Drainage patterns indicate that sub-surface materials are homogeneous and lack structural control over topography. The circulatory ratio value indicates the basin is an elongated shape. Low values of morphometric parameters indicate good permeability, infiltration, and coarse drainage texture, low relief, and elongated shape indicated good groundwater potential in the basin. The final prioritization result shows that the sub-basin 12 is at the highest priority with the greatest shortage of groundwater potential, so immediate water conservation measures are needed. Contrary, sub-basin 3 is at low priority that indicates the highest groundwater potential. This study suggests the primary priority to improve the water resource management in semi-arid regions at the basin level.

在自然资源保护和管理的背景下，优先考虑半干旱到亚湿润热带地区的河流流域是很重要的。在本文中，基于使用 RS 和 GIS 技术分析形态参数和土地利用 - 土地覆盖，Gomti 河流域优先用于水土资源保护。Gomti 河是一条季风和地下水源河流；它是恒河的一条支流。盆地被划分为十七个子盆地。ASTER (30 m) 数字高程模型数据和 LANDSAT-8 (30 m) 卫星图像用于分析地形参数，并通过监督图像分类技术生成流域的土地利用-土地覆盖数据。确定了每个子盆地的线性、面积和地形方面。形态学分析表明，该盆地是一个五级排水系统，具有树枝状到亚树枝状的排水模式。排水模式表明地下材料是均质的，缺乏对地形的结构控制。循环比值表明盆地是一个细长的形状。低值的形态测量参数表明良好的渗透性、入渗性和粗糙的排水结构，低地势和细长的形状表明该盆地具有良好的地下水潜力。最终的优先排序结果显示，子流域12处于优先级最高，地下水潜力最大，因此需要立即采取节水措施。相反，子流域 3 处于低优先级，表明地下水潜力最高。