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tykxedk;Zizf'k{k.kiqLrd

tykxedk;Zizf'k{k.kiqLrd

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tylEcU/khewyrF; 57<br />

3.2.2 tylarqyulehdj-k<br />

o"kkZ = lrghtyizokg +izLosnu +ok"ihdj.k +Hkwty +t+ehudhueh<br />

/kjrh ij fxjus okyh ckfj'k dqN gn rd t+ehu dh ueh (storedsoilmoisture)<br />

ds :i esa feV˜Vh ds fNnzksa esa laxzfgr gks tkrh gSA og ikuh tks t+ehu ds Åij ls<br />

cgdjfudytkrkgSmlslrghtyizokg (surfacerunoff)dgrsgSAdqNikuht+ehu<br />

dsuhpsmrjtkrkgSvkSjHkwtyHk.Mkjesabt+kQkdjrkgS (groundwaterrecharge)<br />

Alrgijlaxzfgr tydhdqNek=kokf"idj.k (evaporation) }kjkvkdk'k igqaprh<br />

gSA dqN ikuh ikS/ks Hkh ih tkrs gS vkSj lkal ysrs le; bldk dqN fgLlk os okrkoj.k<br />

esaNksM+nsrsgSAblsizLosnu (transpiration) dgrsgSA<br />

<strong>tykxedk</strong>;ZØedkeq[;mn˜ns';lrghtyizokgdksfofHkUuiz;kstuksalslaxzfgr<br />

djuk rFkk mlds lh/ks mi;ksx ds vykok mls feV˜Vh dh ueh ;k Hkwty esa ifjofrZr<br />

djuk dgk tk ldrk gSA bl iqLrd esa bu iz;kstuks dh foLr`r tkudkjh vkidks nh<br />

tk;sxhA ysfdubllsigys;gtkuysukt:jhgSfdlrghtyizokg dhek=kfdu<br />

ckrksaijfuHkZjdjrhgSA<br />

3.2.3 lrghtyizokgdhek=k<br />

lrghtyizokgbuckrksaijfuHkZjdjrkgS%<br />

1- o"kkZdhek=kD;kgS\<br />

2- tykxe{ks=QyfdrukgS\<br />

3- lrghtyizokgxq.kkadfdrukgS\<br />

lrghtyizokgfudkyusdsfy,bllw=dkmi;ksxdjsa%<br />

tgka]<br />

Q = C × R × A,<br />

Q = lrghtyizokg (annualsurfacerunoff)<br />

C = lrghtyizokgxq.kkad(runoffcoefficient)<br />

R = okf"kZdo"kkZdhek=k(annualrainfall)<br />

A = <strong>tykxedk</strong>{ks=Qy(areaofwatershed)

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