Assessment of Surface Runoff for Tank Watershed in Tamil Nadu Using Hydrologic Modeling

Table 2

Land use details and the corresponding curve numbers.

Land use category	Area	Curve Number
	km^2
Forest /Forest Plantations	1.089	79
Crop land	0.193	81
Water bodies	0.600	89
Barren land	0.167	80
Settlement/Residential area	2.527	87