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Us�4C- GREEN AMPT LOSS RATE METHOD' TABLE 3 <br /> DAM: DAMID: 720138 SUBBASIN: A <br /> SCS SCS Soil Texture Description Land and Area Surface Soil Hydraulic Vegetation' <br /> Soil Hydro Vegetation Description Retention Conductivity for Factor <br /> No Group IAz Bare Ground (CK) *, <br /> XKSAT;�ssr <br /> Ba - Badland - gypsiferous shale that contains layers of b en 2ANIA a4S .01 (to variable to --t— <br /> sandstone outcrops with 10% Chipeta and Persayo hlHsend4W@@s 9t— classify used .01 PSIF From Fig 4-3 For <br /> soils 7�0 Kell , -P;w SN ,J J because of shale) / / WTED XKSAT = +2-9 IL. <br /> /w��l DTHETA From Fig 4-3 for <br /> (l4�e.� WTED XKSAT = :406 (for dry conditions <br /> t <br /> eJI yoZ 415 <br /> ADJUSTED XKSAT <br /> Ulc - Uffens loam - .5" loam over 5-11" clay loam. tly sloping to rolling on top of .15 .35 pow t = C(K) x WTED XKSAT,,..) <br /> (Permeability of c loam = .2 in/hr-.6 in/hr terra es and mesas. Sparse desert pe eability of = .014 0// <br /> vegetation:. clay I controls) 1 <br /> Avc Avalon loam 0-4 Gently sloping to rolling on top 09 .35 .25 <br /> erraces and mesas. Sparse desert <br /> .v tation. <br /> 4111 <br /> r " <br /> TOTAL AREA = P •3r :ei8" 0 f 1 ° = Weighted Average <br /> ' According to Sobal, best method for basins with relatively deep soils. <br /> Not useful for basins with a large percent of shallow soils over impervious layers, with large area of rock outcrops, sand, talus, forests with thick mantle of duff. <br /> Y Based upon Sobal's Study Table 4-1 and adjusted for Particular Basin <br /> 3 Based upon Sobal's Study Table 4-2 and adjusted for Particular Basin <br /> 4 Based upon Estimated % Cover From Fig 4.4 CK=(.011) (% cover) +.89 but not less than 1 <br /> 5 Weighted Avg = ANTILOG EAloaX — As recommended by Sobal for XKSAT. For IA and CK use arithmetic average. <br /> '' X Total Area indagram.tbl - greenamp.tbl <br />