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r . <br />. ~ - <br />~~ <br />-- Typc and Hcicht <br />of Raised Canopy 2/ <br />l~ublc• "C" hacwn for I'am.mcm I':uwre and:eland <br />Vegetative Canopy Cover That Gunnels the Surface 1/ <br />Canopy I'crccnt Ground Cnvcr <br />Cuvcr 1/ T)pr 4/ _ _ <br />0 10 20 a0 60 SO 95-100 <br />No appreciable canopy -_ G I.0 .4S 20 .10 .0-12 .013 .003 <br /> \V I.0 .45 .24 IS .090 .0-73 OII <br />Canopy of tall (orbs 25 G I.0 .36 .17 .09 .03R 01 Z .003 <br />or shop brush \4' I.0 .36 '_0 .13 .082 .041 .01 I <br />(0.5 m (all ht.) 50 G I.0 .26 .13 .07 .035 .012 .003 <br /> W I.0 .2G I(~ it .075 .039 OLI <br /> 7S G 1.0 .17 IO 06 .031 .011 .003 <br /> \V I.0 .17 .12 .07 .O6i .038 .011 <br />Appreciable brush 25 G I.0 .40 IR 09 .040 .01J .003 <br />or brushes \V 1.0 .10 .22 .14 .ORS .0-12 .011 <br />(2 m (all ht.) 50 G I.0 .34 .16 .085 .038 .012 .003 <br /> \V I.0 J4 I9 .13 OSI .631 .011 <br /> 75 G I.0 .28 .14 O8 .036 .012 .003 <br />- \V I.0 .28 .17 I2 .077 .040 .011 <br />Trees but no appreciable 25 G I.O 42 .19 .10 .631 .013 .003 <br />low brush \V 1.0 .42 .23 .14 .(187 .612 .01 l <br />(4 m fall ht.) 50 G I.0 .39 IS 09 O40 .013 (X1; <br /> W I.0 .39 .2{ 14 .ORS Oat .tell <br /> 75 G I 0 36 17 09 039 012 (>U' <br />v 1/ All values shown assume: (1) random distribution of mulch or vegetation, and (2) mulch of appreciable depth where it exists. <br />2/ Average (all height o(uacerdrops 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 bird's-eye view). <br />4/ G: Cover a[ surface is grass, grasslike plants, decaying compacted duff, or liner. <br />W: Cover at surface is mostly broadleaf herbaceous plants (as weeds with little lateral-root network near the surface, and/e- <br />undecaycd residue.) <br />Table 5. Factor "C" for Various Quaninics of ~~lulch <br />Mulch-adequately crimped into soil "C'• Factor <br />bare areas 1 fl <br />'/. ton straw mulch per acre ~ .52 <br />,~ , ,. 35 <br />3'i , , .24 <br />I ,. ,. 18 ' <br />I'h , 10 r <br />2 , , 06 <br />7 , , 03 ~ <br />4 ,. , , 02 <br />10 <br />~~ ~• :1~`. ~.s~]•^ • s.n•fY YL :C'i`c,y.•, ~ :. r . Z..r -L ~.~ h1:2...). _ _ - - - ~: nt$.'a'~ <br />•:,i,:r :. 4i... ,Y_:]i :i; .Sjt,'S.': }'r.. t:j:Et-K:ik~; 7,~i:.~.' .,..r.~ ....;~ -~~~~..:. -~: .~ .'.`~.' <br />