The study indicates the viability of geographic information system and remote sensing data for the analysis as well as estimation of the stage and the rate of erosional processes in a Himalayan watershed for improved planning and management. The Gaj watershed lies in the outer Himalayan region of Himachal Pradesh, India, which has been characterized in to nine sub-watersheds for studying the geomorphological evolution of each separately for comparative assessment irrespective of any scale issue. The method involves the use of 30 m Cartosat (digital elevation model) for operative and time-saving data extraction of morphometric and hypsometric parameters. The estimated hypsometric integral values and the shape of the hypsometric curves reveal varying degree of erosional stages of the sub-watersheds demanding attention over the denudation activities. The results have helped in the qualitative discussions and prioritizing the sub-watershed for sustainable soil–water conservation and management, which can be useful for controlling the erosional activities at right locations in the study area.

中文翻译：

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通过形态计量分析对印度喜马拉雅外围地区的基于GIS的子流域划分优先级

研究表明，地理信息系统和遥感数据可用于分析以及估计喜马拉雅流域的侵蚀过程的阶段和速率，从而改善规划和管理的可行性。盖伊集水区位于印度喜马al尔邦的喜马拉雅外围地区，该地区的特征是有9个子集水区，用于研究各个子区的地貌演化，以进行比较评估，而与任何规模问题无关。该方法涉及使用30 m Cartosat（数字高程模型）来进行形态计量和测压参数的有效且省时的数据提取。估计的测压积分值和测压曲线的形状揭示了子流域不同程度的侵蚀阶段，需要注意剥蚀活动。