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<br />LIST OF FIGURES (Continued) <br /> <br />Figure <br /> <br />Page <br /> <br />IS <br /> <br />Comparison of the Green-Ampt type infiltration model (in broken <br />lines) with the numerical solutions (in solid lines) obtained from the <br />boundary-value problem of rain infiltration. All curves are asymptotic <br />to line f= C (= K,) <br /> <br />, 42 <br /> <br />16 <br /> <br />Comparison of the Kostiakov type infiltration model (in broken <br />lines and dots) with the numerical solutions (in solid lines) obtained <br />from the boundary-value problem of rain infiltration. All curves are <br />asymptotic to line f = f~ (= Kg) , <br /> <br />, 43 <br /> <br />17 Comparison of the Philip type infiltration model (In broken lines) <br />with the numerical solutions (in solids lines) obtained from the <br />boundary.value problem of rain infiltration . . . . 45 <br /> <br />18 Comparison of the Horton type infiltration model (in broken lines) <br />with the numerical solutions (in solid lines) obtained from the <br />boundary-value problem of rain infiltration . . 46 <br /> <br />19 Comparison of the Holtan type infiltration model (in broken and <br />dotted lines) with the numerical solutions (in solid lines) obtained <br />from the boundary-value problem of rain infiltration . . . . 47 <br /> <br />20 Hyetograph and infiltration decay curves for Vernal sandy clay <br />loam before and after ponding, , , , 48 <br /> <br />21 Infiltration envelopes for Vernal sandy clay loam and mean rainfall <br />intensity distribution curve for a storm given in Figure 20 . 49 <br /> <br />22 Dimensionless infiltration.capacity curve for a given soil.cover. <br />moisture complex with known S under rainfall R(t) or intensity <br />~ ' ~ <br /> <br />23 The modified Kostiakov-type infiltration capacity curves <br />(Equation 126a) , , , .. ",' , , , 58 <br /> <br />24 The normalized, modified Kostiakov infiltration equation <br />(Equation 126b) compared with the simplified infiltration <br />equation (Equation 128) , , ' , , 59 <br /> <br />25 Standard infIltration.capacity curves for pasture, city lawn <br />grass, and bluegrass on soils with various antecedent soil <br />moisture conditions . . . . . . . . . . . . 60 <br /> <br />26 Standard infiltration.capacity curves as affected by seasonal changes <br />and various antecedent (initial) soil moisture conditions. . . 61 <br /> <br />27 <br /> <br />Hypothesized standard infiltration-capacity curves for group B subsoils <br />with topsoil less than 13 in" covered with grass under dry, normal, and <br />wet antecedent moisture conditions <br /> <br />. 63 <br /> <br />28 <br /> <br />Type of plotting used in estimating runoff curve numbers for urban <br />highway sideslopes , " """.", <br /> <br />. 65 <br /> <br />x <br />