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(1) All values shown assume: (1) random distribution of mulch or vegetation, and (2) mulch of <br />appreciable depth where it exists. <br />(2) Average fall height of waterdrops from canopy to soil surface: m = meters. <br />(3) Portion of total -area surface that would be hidden from view by canopy in a vertical projection, (a <br />bird's-eye view). <br />(4) G: Cover at surface is grass, grasslike plants, decaying compacted duff, or litter. <br />W: Cover at surface is mostly broadleaf herbaceous plants (as weeds with little lateral -root network <br />near the surface, and/or undecayed residue). <br />From: Soil Conservation Service, USDA, 1982. A Guide for Predicting soil Loss from Water Erosion in <br />Colorado. Tech. Note 50. Table 6. <br />[HBH(jb 5/87 Retyped 5/961 <br />4-107 <br />Revision: _72-7 / <br />Approved: ?//0/99 <br />Table 4.4-3. "C" Factors for permanent pasture <br />and rangeland. (1) <br />Vegetative Canopy <br />Cover That Contacts the Surface <br />Canopy <br />Type and Height <br />Cover (3) <br />Total Percent Ground Cover <br />- <br />Of Raised Canopy (2) <br />% <br />Type (4) 0 <br />20 <br />40 <br />60 <br />80 <br />95 -16'0 <br />Column No. <br />2 <br />3 <br />4 <br />5 <br />6 <br />7 <br />8 <br />9 <br />No appreciable canopyG :.: <br />...45 <br />...20.. <br />..10.. <br />' :.042 <br />.:'.013 � :.:�:003 <br />.. <br />. <br />W <br />.45 <br />.24 <br />.15 <br />.090 <br />.043 <br />.011 <br />Canopy.of tall forbs <br />25 : <br />':G <br />.38. <br />:17 <br />:...09.: <br />:.038, <br />.M2 <br />003 <br />or short brush <br />W <br />.36 <br />.2l) <br />.13 <br />.082 <br />.041 <br />.011 <br />(0.5m fall ht.) <br />50 <br />G <br />.26 <br />.13 <br />.07 <br />.035 <br />.012 <br />.003 <br />W <br />.26 <br />.16 <br />.11 <br />.075 <br />.039 <br />.011 <br />75 <br />G <br />.17 <br />.10 <br />.06 <br />.031 <br />.011 <br />.003 <br />W <br />.17 <br />.12 <br />.07 <br />.067 <br />.038 <br />.011 <br />Appreciable brush.-.- : <br />25 <br />..G <br />.: .18 <br />.09.. ':.:.040 <br />. -013 ..003 <br />or brushes <br />W <br />,.40 <br />.40 <br />.22 <br />.14 <br />.085 <br />.042 <br />.011 <br />(2m fall ht.) <br />50 <br />G <br />.34 <br />.16 <br />.085 <br />.038 <br />.012 <br />.003 <br />W <br />.34 <br />.19 <br />.13 <br />.081 <br />.041 <br />.011 <br />75 <br />G <br />.28 <br />.14 <br />.08 <br />.036 <br />.012 <br />.003 <br />W <br />.28 <br />.17 <br />.12 <br />.077 <br />.040 <br />.011 <br />Trees but-no.appre-: <br />-.25 <br />G: <br />::.42:: <br />19- <br />....10. <br />-.041.: <br />.013:.:::003 <br />ciable low brush <br />W <br />.42 <br />.23 <br />.14 <br />.08787 <br />.042 <br />.011 <br />(4m fall ht.) <br />50 <br />G <br />.39 <br />.18 <br />.09 <br />.040 <br />.013 <br />.003 <br />W <br />.39 <br />.21 <br />.14 <br />.085 <br />.042 <br />.011 <br />75 <br />G <br />.36 <br />.17 <br />.09 <br />.039 <br />.012 <br />.003 <br />W <br />.36 <br />.20 <br />.13 <br />.083 <br />.041 <br />.011 <br />(1) All values shown assume: (1) random distribution of mulch or vegetation, and (2) mulch of <br />appreciable depth where it exists. <br />(2) Average fall height of waterdrops from canopy to soil surface: m = meters. <br />(3) Portion of total -area surface that would be hidden from view by canopy in a vertical projection, (a <br />bird's-eye view). <br />(4) G: Cover at surface is grass, grasslike plants, decaying compacted duff, or litter. <br />W: Cover at surface is mostly broadleaf herbaceous plants (as weeds with little lateral -root network <br />near the surface, and/or undecayed residue). <br />From: Soil Conservation Service, USDA, 1982. A Guide for Predicting soil Loss from Water Erosion in <br />Colorado. Tech. Note 50. Table 6. <br />[HBH(jb 5/87 Retyped 5/961 <br />4-107 <br />Revision: _72-7 / <br />Approved: ?//0/99 <br />