马马下亚盆地马库拉流域(4D5B3)地貌特征分析

Vinuta M. Betageri, U. Satishkumar, M. Nemichandrappa, B. S. Polisgowdar, N. L. Rajesh, B. K. Desai, K. Basavaraj
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摘要

近年来,人们一直在寻找合适的策略来组织和分类具有景观特征的异质集水区。对水文特征价值测试的关注主要来源于对流域的形态计量学分析。马库拉流域454.41平方公里的研究。km)涉及影响水文响应的坡度(0.28%)、形状因子(11.04)和循环率(0.22)的评价项。在较平坦的地形中,较陡的3阶交叉坡度(0.27% ~ 3.04%)在6阶时对流域中尺度的流域格局(2.93 ~ 4.83)有较大的影响,并对产流输沙产生成比例的重力影响。在地形复杂性影响下,其在天气水平上的形状为11.04,而在三阶网络上的形状为2.31 ~ 10.34,表明其对径流和泥沙输运过程的影响是不同的。
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Analysis of geomorphological character of Machkula watershed (4D5B3) in Bhima lower Sub-basin
There has been an intensive search in recent years for suitable strategies to organize and classify the heterogeneous group of catchments that characterize landscape. The focus on testing the value of hydrological signatures is mostly derived from morphometric analysis of the watershed. The study of Machkula watershed (454.41 sq. km) involves its evaluation Interms of slope (0.28%), shape factor (11.04) and circulatory ratio (0.22) which influences the hydrological response. The steeper cross-slopes (0.27% to 3.04%) at its 3rd order network within flatter terrain as it appear at 6th order has greater impact on drainage pattern (2.93 to 4.83) at meso and micro scales of watersheds and derive proportional gravitational influences on runoff generation and sediment transportation. Its shape (11.04) at synoptic level under influence of topographic complexity Potray’s the shapes at 3rd order network (2.31 to 10.34) indicating its varied influence on runoff and sedimentation transport process.
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