期刊
APPLIED WATER SCIENCE
卷 7, 期 1, 页码 275-283出版社
SPRINGER HEIDELBERG
DOI: 10.1007/s13201-014-0243-1
关键词
Watershed; Priority; Morphometry; Synthetic unit hydrograph; Land use; Land cover
The present study makes an attempt to prioritize sub-watersheds based on Snyder's synthetic unit hydrograph method. Snyder's method of synthetic unit hydrograph calculates peak discharge and lag time of the unit hydrograph for each sub-watersheds. Compound values of ranking are calculated from assigned rankings to parameters, viz. peak discharge and lag time. Depending on the range of the compound values sub-watersheds are classified as high, medium and low soil-erosive subwatersheds. The priorities obtained from Snyder's synthetic unit hydrograph method are compared with the methods of morphometric analysis and land use/land cover analysis. On comparison of priorities for Dangri River watershed, Panchkula District, Haryana (India), among the three methods it was found that the sub-watershed (SW1) has the same priority. Among all the three methods, Snyder's synthetic unit hydrograph is a better method, as it is easier to use and less data intensive.
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