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<br />Vegetative Canopy <br /> <br />Type and Height <br />of Raised Canopy , <br />Percent Ground Cover <br /> <br /> FIGURE 10 <br />"C" Factors for Vegetative Soil Cover <br /> Cover That Contacts the Surface 1 <br /> Canopy <br /> Cover 3 Type' <br />% 10 20 40 60 80 95-100 <br />2 3 4 5 6 7 8 9 <br /> G .45 .20 .10 .042 .013 .003 <br /> W .45 .24 .15 .090 .043 .011 <br />25 G .36 .17 .09 .038 ,012 ,003 <br /> W .36 .20 .13 .082 .041 ,011 <br />50 G .26 .13 .07 .035 .012 .003 <br /> W .26 .16 .11 .075 .039 .011 <br />75 G .17 .10 .06 .031 .011 .003 <br /> W .17 .12 .07 .067 .038 .011 <br />25 G .40 .18 ,09 .040 .013 .003 <br /> W .40 .22 ,14 .085 ,042 .011 <br />50 G .34 .16 .085 .038 .012 ,003 <br /> W .34 .19 .13 .081 .041 .011 <br />75 G .28 .14 .08 .036 ,012 ,003 <br /> W .28 .17 .12 .077 .040 .011 <br />25 G .42 ,19 ,10 .041 .013 .003 <br /> W .42 .23 ,14 .087 .042 .011 <br />50 G .39 .18 ,09 .040 .013 .003 <br /> W .39 .21 .14 .085 .042 .011 <br />75 G .36 .17 .09 .039 .012 .003 <br /> W .36 .20 .13 .083 .041 .011 <br /> <br />Column No.: <br />No appreciable canopy <br /> <br />Canopy of tall forbs <br />or short shrubs <br />(0.5 m fall ht.) <br /> <br />Appreciable shrubs <br />(2 m fall ht.) <br /> <br />Trees but no appre- <br />ciable shrubs <br />(4 m fall ht.) <br /> <br />1 AU values shown assume: (I) random distribution of mulch or vegetation, and (2) mulch of appreciable depth <br />where it exists. <br /> <br />2 Average fall height of waterdrops from canopy to soil surface: m = meters. <br /> <br />3 Portion oftotal-area surface that would be hidden from view by canopy in a vertical projection, (a bird's eye view), <br /> <br />, G: Cover at surface is grass, grasslike plants, decaying compacted duff, or litter. <br /> <br />W: Cover at surface is mostly broadleaf herbaceous plants (as weeds with little lateral-root network near the <br />surface, and/or undecayed residue.) <br /> <br />30 <br />