Morphometric Analysis of Tandava River Basin, Andhra Pradesh, India

G. Ashenafi Tolessa, P. Jagadeeswara Rao, N. Victor Babu


The seasonal abrupt flood event in the Tandava River Basin was the major loss for socio-economic infrastructure. The main objective of this study is to characterize the Morphometric parameters of Tandava River Basin (TRB) which depicted on toposheets 65; K/5, K/6, K/7, K/10 and K/11 with scale 1:50,000 were used for Morphometrical analysis. In this study, morphometric parameters were delineated through onscreen digitization on topographic map in ArcGIS-9.3. The TRB is covering about 1283 Km2 consists of hills, valleys and plains. The longest flow path was calculated and found to be 83.360 Km. The study reveals that; such information derived from GIS would be very useful in practicing water management activity and designing of water harvesting project with minimum cost, efforts and time in reducing rates of natural degradation in the basin.


Morphometry, Tandava River Basin, Drainage Characteristic, Sub-Basins

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