Research Article
Geographic Concerns on Flood Climate and Flood Hydrology in Monsoon-Dominated Damodar River Basin, Eastern India
Table 5
Establishing annual rainfall-runoff relation for Damodar River Basin at Rhondia (1934–50).
| Year |
1Mean annual rainfall (mm) |
2Mean annual runoff (mm) | Calculations |
| 1934 | 1088 | 274 | = 530.21 | 1935 | 1113 | 320 | = 0.819 | 1936 | 1512 | 543 | Runoff () = 0.819 rainfall () − 530.21 | 1937 | 1343 | 437 | Coefficient of determination () = 0.63 | 1938 | 1103 | 352 | | 1939 | 1490 | 617 | Standard deviation of = 158 mm | 1940 | 1100 | 328 | Standard error of estimate of = 96 mm | 1941 | 1433 | 582 | | 1942 | 1475 | 763 | Calculated value of = 3.25 | 1943 | 1380 | 558 | Tabulated value (0.01% confidence) = 2.95 Degree of freedom (df) = ( − 2) = 15 | 1944 | 1178 | 492 | | 1945 | 1223 | 478 | Product moment correlation coefficient () = 0.794 | 1946 | 1440 | 783 | Calculated value of = 4.01 | 1947 | 1165 | 551 | Tabulated value (0.01% confidence) = 2.95 | 1948 | 1271 | 565 | | 1949 | 1443 | 720 | Null hypothesis is rejected and the equation is very much significant | 1950 | 1340 | 730 | |
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Data source: 1,2[2].
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