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<br />001237 <br /> <br />ABSTRACT <br /> <br />The flood response of a small watershed to flood producing <br />rainfall was investigated in several ways. First flood hydrographs <br />measured on small pristine watersheds were assembled along with the <br />causal rainfall, antecedent rainfall, and a number of physiographic <br />parameters of the watershed. Research has verified the validity of the <br />application of the kinematic wave theory for computing the hydrograph <br />of runoff from small watersheds. Research was carried out on deriving <br />unit hydrographs from observed rainfall and runoff. A study was made of <br />correlation of various methods of defining the response time of a water- <br />shed. A low pass filter method was used to remove oscillations from <br />some of the derived unit hydrographs. <br />