Impact of land use/land cover changes on surface runoff from a rural watershed, Tamilnadu, India

被引：3

作者：

机构：

[1] Department of Civil Engineering, Annamalai University, Annamalainagar - 608 002, Tamilnadu

来源：

Nagarajan, N. (nnrajan_693@yahoo.co.in) | 1600年 / Inderscience Enterprises Ltd., Switzerland卷 / 07期

关键词：

Geographical information system; GIS; India; Land use/land cover; LU/LC; Remote sensing; Rs; Runoff potential; SCS-CN method; Watershed;

D O I：

10.1504/IJW.2013.051982

中图分类号：

学科分类号：

摘要：

Watershed is a geographically dynamic unit area that contributes runoff to a common point. The effect of land use/land cover (LU/LC) changes on runoff from watersheds has long been recognised. Remote sensing (RS) and GIS techniques can be used effectively in watershed runoff models. Manimuktha sub-watershed, the study area, for which base map, soil map and LU/LC map were prepared by using RS data and SOI topography sheets. The daily rainfall data of Virudhachalam was collected and used to predict the daily runoff from the watershed using GIS-based SCS-CN method (USDA, 1972). For the mini-watersheds the LU/LC details were derived in a GIS environment and their effect on runoff potential was studied and the mini-watersheds were categorised as 'moderate','high' and 'very high'. From the results it was inferred that the mini-watersheds with crop land and fallow/harvested land were categorised as 'very high' and mini-watersheds with more percentage of dense forests were categorised as 'moderate' runoff potential. copyright © 2013 Inderscience Enterprises Ltd.

引用

页码：122 / 141

页数：19

共 21 条

[1]

Beven K.J., Rainfall - Runoff Modeling: The Primer Wiley, (2001)

[2]

Burrough P.A., Principles of GIS for Land Resources Assessment, (1996)

[3]

Chandramohan T., Durbude D.G., Estimation of runoff using small watershed models, Hydrology Journal, June, 24, 22, pp. 45-53, (2001)

[4]

Chen S.J., Singh V.P., Improved SCS models for computing runoff volume, Hydrology Journal, 16, 1-2, pp. 14-18, (1993)

[5]

Under Standing GIS - The ARC/INFO Method, (1996)

[6]

Greene R.G., Cruise J.F., Watershed modeling using GIS, Journal of Water Resources Planning & Management, 121, 4, pp. 318-325, (1995)

[7]

Hand Book of Hydrology, (1972)

[8]

Hanson H.C., Dictionary of Ecology, (1954)

[9]

Huggins L.F., Monke E.J., A mathematical model for simulating the hydrologic response of a watershed, Water Resources Research, 3, 4, pp. 21-27, (1968)

[10]

Karmegam M., Anuthaman N.G., Pundarikanthan N.V., Rainwater harvesting in Vaippar Basin, Final Report of a Consultancy Project, (1994)

← 1 2 3 →