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Correlations between discharge and meteorological parameters in a large Glacierized basin in Himalayas

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(1)

fgeky; esa fLFkr ,d cM+s fgeun csfLku ds unh izokg ,oa ekSleh pj jkf'k;ksa ds Lkg&LkEcU/k

ujs'k dqekj] euksgj vjksM+k] jkds'k dqekj ,oa tfru eYgks=kk

jk"Vªh; tyfoKku laLFkku] #M+dh 247 667 ¼mÙkjk[k.M½

lkjka'k % unh izokg] ty foHkktd esa ekSleh pj jkf'k;ksa] fo'ks"k :i ls o"kZ.k ,oa ok;q rkieku dh ladfyr vuqfØ;k gSA bl v/;;u esa xaxks=kh fgeun ds LukÅV ds ikl viokg ,oa tyekSleh izkpyksa ds lg&laca/kksa dk v/;;u fd;k x;k gSA rkieku ,oa o"kZ.k ds viokg ls lg&laca/kksa ,oa cgq&fnuh izHkkoksa ds v/;;u }kjk viokg ij egRoiw.kZ lwpuk;sa izkIr dh tk ldrh gSa ,oa ;s de vkadM+s miyC/k okys {ks=kksa ds fy, viokg dh x.kuk esa lgk;d gks ldrs gSaA nSfud vkSlr viokg] nSfud rkieku ,oa nSfud o"kkZ ds e/; lg&laca/k] ykWx ØkWl lg&lEca/k ,oa cgq fopj izfrxeu fo'ys"k.k gsrq vkB o"kksZa

¼2000&2007½ ds xyu dky ds vkadM+ksa dk mi;ksx fd;k x;k rFkk LFkkfir lg&laca/kksa ls nSfud viokg dk vuqdj.k djus ds fy, pkj o"kksZa

¼2008&2011½ ds vkadM+ksa iz;qDr fd, x,A rkieku ifjorZu ,oa fge iqat esa miyC/k ty dh ek=kk dh la;qDr izfrfØ;k ls okf"kZd rkieku esa c<+ksÙkjh ds vuqlkj fge&xyu viokg esa ifjorZu gksrk jgrk gSA o"kkZ ,oa rkieku] mPp Lor% lg&laca/kh gSaA ;g ik;k x;k gS fd fdlh fo'ks"k fnu ds viokg (Qi)

dks izfrxeu lehdj.k] ftlesa Qi-1' 1] Ti ,oa Ri gksa] ds }kjk vPNh izdkj ls fu:fir fd;k tk ldrk gSA ;fn vkxr pjksa dk irk gks rks bl izdkj fodflr izfrxeu lehdj.kksa dk mi;ksx viokg fu/kkZj.k gsrq fd;k tk ldrk gSA vkB o"kksZa ds vkadM+ksa dk iz;ksx dj fodflr dh x;h lehdj.k vFkkZr

Qi = 2-962 + 1-011 Qi-1 - 0-422 Ti + 0-203 Ri dk mi;ksx pkj o"kksZa ds viokg dh Hkfo";ok.kh djus ds fy, fd;k x;kA lHkh pkj o"kksZa ds fy, mPp n{krk ¼R2 ¾ 0-93½ ds lkFk viokg dh Hkfo";ok.kh dh x;hA

Correlations between discharge and meteorological parameters in a large Glacierized basin in Himalayas

Naresh Kumar, Manohar Arora, Rakesh Kumar & Jatin Malhotra

National Institute of Hydrology, Roorkee 247 667 (Uttrakhand)

Abstract

Streamflow represents the integrated response of a water-shed to climatic variables, particularly precipitation and air temperature. In this study relationships between discharge and hydro meteorological parameters near the snout of Gangotri Glacier were investigated. The auto correlations and multi day influence of temperature and rainfall on discharge can provide valuable information about the Glacier response which can be helpful for estimating discharge in data scarce regions. The data for eight continuous ablation seasons (2000 - 2007) was used investigating correlations, lag cross correlations and multivariate regression analysis between daily mean discharge, daily mean temperature and daily rainfall, whereas four years data (2008 – 2011) was used to simulate the daily discharge from the established relations. Snowmelt discharge varies during the rise in the annual temperature cycle in response to the combination of temperature variation and the amount of water held in the evolving snowpack. The discharge and temperature is highly auto correlated. It was found that discharge of a particular day (Qi) is well represented by the regression equation having Qi-1, Ti, and Ri. Such developed regression equation can be used for computing discharge once its input variables are available. The regression equation developed using the eight year data i.e. Qi = 2.962 + 1.011Q1-1 - 0.422Ti 0.203Ri is used for forecasting of discharge. For all the years discharge was computed with high accuracy (R2 = 0.93).

izLrkouk

tyh; vkSj tyok;q pjksa ds chp ykirk vfHkys[k dh Hkfo";ok.kh djus gsrq] tyok;q ifjorZu ds izHkkoksa dk fo'ys"k.k djus gsrq vkSj vekih ?kkfV;ksa dh tyh; izfrfØ;kvksa ds vkadyu gsrq cgqr egRoiw.kZ

gSA yacs le; ls lkaf[;dh; n`f"Vdks.k dk mi;ksx tyh; vkSj tyok;q iz.kkyh ds chp laca/kksa ds fo'ys"k.k ds fy, fd;k tkrk jgk gSA tyh; vkSj tyok;q pj ds chp laca/kksa dks [kkstus ds fy, ,d ekud n`f"Vdks.k dk mi;ksx tyh; vkSj tyok;q pjksa dh le;

(2)

J`a[kyk ds chp tksM+hokj lg&laca/k dh x.kuk gsrq fd;k tkrk gSA lglaca/k xq.kkad ds eku ds vk/kkj ij] bl n`f"Vdks.k dh enn ls pjksa ds chp laca/kksa dh etcwrh dh igpku dh tk ldrh gSA

o"kZ.k&/kkjk izokg vkSj o"kkZ&gok rkieku ds e/; laca/kksa ij 'kk;n lcls vf/kd vuqla/kku fd;k x;k gSA ds;u bR;kfn ¼1993½ us /kkjk izokg ij o"kZ.k] rkieku] vkSj cQZ ds lerqY; ikuh ds izHkkoksa dh tkap dhA /kkjk izokg dh o"kZ.k vkSj rkieku ifjorZu ds izfr laosnu'khyrk dk v/;;u MSy ¼1995½ }kjk fd;k x;kA fDyV~Vh vkSj LVhQu ¼1997½ }kjk /kkjk izokg vkSj o"kZ.k] gok ds rkieku]

gok dh xfr] vkSj vksl fcanq rkieku ds e/; lg&laca/k dh tkap dh x;hA pkS/kjh vkSj okMZ ¼2004½ us xzsVj thch,e csflu esa o"kkZ&viokg laca/k dk vkadyu fd;k vkSj unh ds Åij ds LFkkuksa ds o"kkZ ds vkadM+s okLrfod le; ij miyC/k gksus dh fLFkfr essa]

eghus ls ekSle ¼vfxze esa 1&3 eghus½ gsrq] /kkjk izokg iwokZuqeku

¼fo'ks"k :i ls xaxk csflu esa½ ds fy, ,d lk/kkj.k lg&laca/k LFkkfir djus dh laHkkoukvksa dks ryk'kus dk iz;kl fd;kA gkWxfdal bR;kfn ¼2012½ us lfnZ;ksa ds tyok;q pjkas vkSj viSzy ds /kkjk izokg ds chp laca/kksa dks le>us dh dksf'k'k dhA mUgksaus ik;k fd lfnZ;ksa esa mPp o"kZ.k ¼fnlacj ls ekpZ½ mÙkjh vkSj e/; U;w baXySaM esa dbZ LFkkuksa ij viSzy ekg ds mPp /kkjk izokg ds lkFk tqM+k gqvk gSA blls irk pyrk gS fd fge iqat lap;u lfnZ;ksa ds ikuh ds HkaMkj.k ra=k ds fy, ,d egRoiw.kZ izfØ;k gS vkSj bl {ks=k esa olar ds /kkjk izokg ds fy, Hkh egRoiw.kZ gSA e/; vkSj nf{k.kh U;w baXySaM esa dbZ viokg ekih dsUnzksa ij viSzy ekg esa de /kkjk izokg dk laca/k ekpZ ds Åaps gok rkieku ls gS D;ksafd xeZ lky esa vizSy ls igys vf/kdrj cQZ fi?ky tkrh gSA iky bR;kfn ¼2013½ us fi;lZu folaxfr lglaca/k ,oa lexz iwoZorhZ vkSj leorhZ ekSleh tyok;q vkSj ok;qeaMyh;

ifjlapj.k iSVuZ ds fo'ys"k.k ds ek/;e ls ,e,,e ¼ekpZ&viSzy&ebZ½ vkSj ¼twu&tqykbZ&vxLr&flracj½ dky gsrq Hkkjr esa Hkk[kM+k cka/k ij lryqt unh ds izokg dh ifjorZu'khyrk dk fo'ys"k.k fd;kA

fiNys v/;;uksa ls irk pyrk gS fd ;|fi o"kkZ vkSj gok dk rkieku /kkjk izokg dks izHkkfor djus ds nks lcls egRoiw.kZ ekinaM gSa rFkkfi dqN vU; tyok;q pjksa dk izHkko Hkh egRoiw.kZ gks ldrk gSA fgeun ?kkfV;ksa esa /kkjk izokg] izokg ds igqapus esa yxs le; ds dkj.k gq, foyac vkSj xfyr ty dh HkaMkj.k fo'ks"krkvksa ij fuHkZj gksrk gSA bl v/;;u esa] /kkjk izokg vkSj tyok;q ikfjfLFkfr;ksa ds lkFk o"k.kZ vkSj rkieku ds varjky laca/kksa dks Hkh 'kkfey fd;k x;k gSA v/;;u {ks=k % orZeku v/;;u fgeky; fLFkr xaxks=kh fgeun ds

fy, fd;k x;k tks fd fgeky; ds lcls cM+s fgeunksa esa ls ,d gSA ;g fgeun] x<+oky fgeky; {ks=k esa mÙkjk[kaM ds mÙkjdk'kh ftys esa fLFkr gSA xaxks=kh fgeun dh fLFkfr dks fp=k 1 esa fn[kk;k x;k gSA v/;;u {ks=k 30°43' ls 01 mÙkj v{kka'k vkSj 79° ls&79°0 17' iwjc ns'kkarj ds e/; QSyk gqvk gSA 4000 ehVj dh ÅapkbZ ij xaxks=kh fgeun ds vxz Hkkx ¼xkSeq[k½ ls HkkxhjFkh unh dk m"e gSA xkSeq[k xaxks=kh 'kgj ls 18 fdeh- nwjh ij fLFkr gS rFkk iSny jkLrs dk vf/kdrj Hkkx HkkxhjFkh unh ds lkFk&lkFk gSA vkadM+s ,d=k djus ds fy, xkseq[k ls FkksM+k uhps ,d viokg ekiu dsanz vkSj ekSle foKku os/k'kkyk dh LFkkiuk dh x;hA

lkexzh ,oa fof/k

tyok;q ifjorZu'khyrk fgeun csflu ds /kkjk izokg dks izHkkfor djrh gSA geus /kkjk izokg vkSj tyok;q pjksa ds chp lglaca/k xq.kkad dh x.kuk dhA izfrxeu fo'ys"k.k dj ¼1½ viokg Lor%

lg&laca/ku ¼2½ rkieku&viokg lg&laca/k ,oa ¼3½ vyx&vyx varjky vof/k ¼0&3 fnu½ ds fy, o"kkZ&viokg lg&laca/kksa] dks fu/kkZfjr fd;k x;kA viokg] rkieku ,oa o"kkZ ds e/; cgq fopj izfrxeu fo'ys"k.k Hkh fd;k x;kA

orZeku v/;;u ds fy, vkadM+ksa dk Lkaxzg] ,d izeq[k dk;Z FkkA 12 Lkky ¼2000&2011½ rd fge xyu dky esa ty ekSLke Lkaca/kh pjkas dh Lkrr fuxjkuh dh x;h rFkk mu vkadM+ksa dk mi;ksx orZeku fo'ys"k.k gsrq fd;k x;kA igys vkB o"kksZa ¼2000&2007½ ds xyu dky ds vkadM+ksa dk mi;ksx nSfud vkSLkr viokg] nSfud vkSLkr rkieku ,oa nSfud o"kkZ ds e/; Lkg&LkEca/k] ykWx ØkWLk Lkg&LkEca/k ,oa cgq fopj izfrxeu fo'ys"k.k gsrq fd;k x;kA vafre pkj o"kksZa

fp=k 1 x<+oky fgeky; esa xaxks=kh Xysf'k;j dh fLFkfr csflu ekufp=k

(3)

¼2008&2011½ ds vkadM+ksa dk mi;ksx] LFkkfir Lkg&LkEca/kksa Lks nSfud viokg dk vuqeku yxkus gsrq fd;k x;kA izR;sd o"kkZ ds fy, fge xyu dky ds fofHké pjksa ¼viokg] rkieku vkSj o"kkZ½ gsrq 0 Lks 3 fnu ds Lke; varjky ds Qyu ds LkkFk 8 Lkky ¼2000&2007½ dh Lke; J`a[kyk rS;kj dh x;hA bu LkHkh 8 xyu Lk=kksa dks dkykuqØfed Øe esa j[kdj ,d Lka;qä J`a[kyk rS;kj dh x;h rFkk mLkdk mi;ksx fodfLkr LkkekU;hÑr Lkaca/k ds fo'ys"k.k gsrq fd;k x;kA

ifj.kke ,oa foospuk

viokg Lor% Lkg&Lkaca/k % viokg Lor% Lkg&Lkaca/k] iwoZdkfyd ,oa Hkfo"; ds viokg ds chp LkgLkaca/kksaa dh tkap djus ds fy, fd;k tkrk gS] rFkk ;g irk yxkus dk iz;kLk fd;k tkrk gS fd iwoZdkfyd ,oa Hkfo"; ds viokg ds chp dksbZ Lkaca/k gS ;k ughaA fp=k 2 esa vyx&vyx xyu dkyksa rFkk 8 xyu dkyksa ¼2000&2007½ dh Lka;qä J`a[kyk ds fy, Lor% LkgLkaca/k n'kkZ;k x;k gSA fofHké xyu dkyksa ds Lor% LkgLkaca/kksa dks lkj.kh 1 esa n'kkZ;k x;k gSA vyx&vyx o"kksZa ds viokg Lor% Lkg&Lkaca/kksa dh rqyuk Lks irk pyrk gS fd LkHkh o"kkZZ esa mPp dksVh ds viokg LkgLkaca/k gSaA fofHké o"kksZaaZ ds fy, viokg Lor% Lkg&Lkaca/kksa esa Lke; varjky esa o`f) ds LkkFk Lor%

LkgLkaca/k esa deh ns[kh x;h gSA 1 Lks 3 fnuksa ds Lke;&varjky ds fy, viokg Lor% Lkg&Lkaca/k 0-98&0-81 ds chp jgsA bLkh Lke; dh Lka;qä viokg J`a[kyk ds fy, viokg Lor% LkgLkaca/kksa dk eku 0-97&0-88 ds chp jgkA viokg Lor% Lkg&Lkaca/kksa esa bLk rjg dh deh dk dkj.k csfLku esa fgeun ds Hkhrj xyu fLFkfr] o"kZ.k iSVuZ vkSj ikuh ds HkaMkj.k vkSj ty fudkLkh dh fLFkfr;ksa dk Lka;qä izHkko gks Lkdrk gSA oSLks rks fopkj fd, x, LkHkh Lke; varjkyksa ds fy, ,d vPNk Lor% LkgLkaca/k ekStwn gS] rFkkfi vf/kdre Lor% LkgLkaca/k fiNys fnu ds viokg ¼0-98&0-94½ ds LkkFk ik;k x;kA ;g mPp viokg Lor% Lkg&Lkaca/k fgeun csfLku esa viokg dh etcwr HkaMkj.k

viokg rkieku LkgLkaca/k % rkieku ds fy, Lkjy LkgLkaca/k xq.kkad]

ftLks rhu fnuksa rd ds Lke; ds Qyu gsrq fu/kkZfjr fd;k x;k]

xfyr ty izokg ds foyacu dky ds vkSLkr dks n'kkZrk gSA LkgLkaca/k ds vf/kdre eku dks varjky dky esa viokg ekiu LFky ij ekis x, Lkkjs xfyr ty ds ikjogu dky ds vkSLkr dks n'kkZuk pkfg,A viokg rFkk ok;q rkieku ds e/; 0 Lks 3 fnuksa ¼Ti, Ti -1 Ti-2,oa

Ti-3 ½ rd ds Lke; varjky ds rkieku ds LkkFk LFkkfir LkgLkaca/kksa dks fp=k 3 esa fn[kk;k x;k gSA vyx&vyx xyu dkyksa rFkk 8 xyu dkyksa ¼2000&2007½ dh Lka;qä J`a[kyk ds fy, viokg rkieku LkgLkaca/kksa dks lkj.kh 2 esa n'kkZ;k x;k gSA fo'ys"k.kksa Lks Kkr gksrk gS fd izR;sd xyu dky ds fy, viokg ds rkieku Lks vPNs LkgLkaca/k gSaA ;g Hkh ik;k x;k gS fd fofHké o"kksZa ds fy, viokg rkieku Lkg&Lkaca/kksa esa Lke; varjky esa o`f) ds LkkFk deh vk;hA 1 Lks 3 fnuksa ds Lke;&varjky ds fy, viokg rkieku Lkg&Lkaca/k 0-82 Lks 0-42 ds chp jgsA viokg&rkieku esa vf/kdre LkgLkaca/k 0 fnu ds Lke; varjky gsrq jgkA nwLkjs 'kCnksa esa] ,d fo'ks"k fnu ds viokg dk mLkh fnu ds rkieku ds LkkFk mPpre LkgLkaca/k ¼0-82½ fn[kk;k x;k gSA viokg&rkieku dh Lka;qä J`a[kyk ds fy, Hkh 1

fp=k 2 xkaxks=kh fgeun ds viokg ds fy, viokg Lor% Lkg&Lkaca/kksa ij cgq&fnfu izHkko ¼1&3 fnu½A

fo'ks"krkvksa ds izHkqRo dks bafxr djrk gSA ifj.kke Lks irk pyrk gS fd ,d fo'ks"k fnu dk viokg] fiNys fnu ds viokg ij dkQh gn rd fuHkZj jgrk gSA bLkdk vFkZ ;g gS fd vxj fiNys fnuksa ds viokg Kkr gks rks vxys fnu ds viokg dk iwokZuqeku vkLkku gks Lkdrk gSA ;g LkaHkkouk gS fd fgeun dh HkaMkj.k fo'ks"krkvksa dk viokg ij o"kkZ dh vis{kk vf/kd izHkqqRo gksA orZeku v/;;u csfLku esa mPp viokg Lor% Lkg&Lkaca/k ik;k x;k gSA

lkj.kh 1 xaxks=kh fgeun ds fy, viokg Lor% Lkg&Lkaca/kksa ij cgq&fnfu izHkko ¼0&3 fnu½

viokg Lor% lg&laca/k

o"kZ ysx 1 ysx 2 ysx 3

2000 0-94 0-86 0-81

2001 0-97 0-93 0-89

2002 0-98 0-95 0-91

2003 0-98 0-95 0-93

2004 0-97 0-93 0-88

2005 0-98 0-94 0-90

2006 0-98 0-94 0-91

2007 0-95 0-91 0-86

2000&2007 0-97 0-93 0-88

(4)

viokg&o"kkZ lglaca/k % viokg vkSj o"kkZ ds chp 0 ls 3 fnuksa

¼Ri, Ri -1, Ri-2,oa Ri -3½ ds le; varjky ds chp vyx&vyx xyu dky ds fy, lglaca/k fodflr fd, x,A vyx&vyx xyu dkyksa rFkk 8 xyu dkyksa ¼2000&2007½ dh la;qDr Ja`[kyk ds fy, viokg&o"kkZ lglaca/kksa dks lkj.kh 3 ,oa fp=k 4 esa n'kkZ;k x;k gSA v/;;u csflu esa viokg rFkk o"kkZ ds lglaca/k detksj rFkk cgqr vf/kd ifjorZu'khy ik;s x,A viokg vkSj o"kkZ ds lg&laca/kksa ds le; varjky esa o`f) ds lkFk dksbZ lqlaxr ifjorZu ugha ik;k x;kA viokg vkSj o"kZ.k ds chp lglaca/k] xyu dky ds izkjEHk esa] xyu dky ds mÙkjk/kZ dh vis{kk detksj gksus dh mEehn

gSA xyu dky ds mÙkjk/kZ esa] fgeun dh HkkSfrd fLFkfr;ksa esa vk, cnykoksa ds dkj.k viokg dh o"kkZ ls vuqfØ;k vU; eghuksa dh rqyuk esa rhoz gks tkrh gSA bl le; ds nkSjku] fgeun dh lrg dh cQZ dk dkQh cM+k fgLlk mtkxj gks tkrk gSA cQZ ls <dh fgeun lrg dh o"kkZ ds fy, izfrfØ;k fge&vkPNkfnr lrg dh rqyuk esa rst gksrh gSA fge&vkPNkfnr lrg ij iM+us okyh o"kkZ igys fge iqat esa vo'kksf"kr gksrh gS rFkk mlds ckn viokg ds :i esa eqDr gksrh gS] tgka ij cQZ dh vizos'kuh; lrg gksrh gSA blfy,]

fuxZe }kj ij o"kkZ viokg ds fy, vis{kkd`r de le; vof/k esa

;ksxnku nsrh gSA gkykafd bl {ks=k esa] dHkh&dHkh xyu dky dh 'kq:vkr esa rhoz o"kkZ rwQkuksa }kjk] rwQku ds ckn rqjar viokg dk mRiknu fd;k x;kA lkekU;r% 2002] 2006 vkSj 2007 ds o"kksZa dks NksM+dj] viokg dk o"kkZ ds lkFk ldkjkRed lglac) FkkA udkjkRed lglaca/k ml le; laHko gksrk tc fgeun ds FkwFku ds ikl o"kkZ gks jgh gks vkSj de rkieku dh fLFkfr gks] ,sls ekSle dh fLFkfr esa fgeun ds cM+s Hkkx esa cQZckjh ds dkj.k fgeun dk fi?kyuk can gks tkrk gS ftlds dkj.k viokg ?kV tkrk gSA

Lks 3 fnuksa ds Lke;&varjky ds fy, Hkh vPNk LkgLkaca/k dk eku 0-66 Lks 0-51 ds chp jgkA bLk izdkj LkHkh o"kksZa gsrq viokg ¼Qi½ rFkk rkieku ¼Ti, Ti -1 Ti-2,oa Ti-3½ ds e/; vPNk ik;k x;k] ftLkLks rkieku ds egRo dk irk pyrk gSA

fp=k 3 xaxks=kh fgeun ds viokg rkieku Lkg&Lkaca/kksa ij cgq&fnfu izHkko ¼1&3 fnu½A

lkj.kh 2 xaxks=kh fgeun ds fy, viokg Lor% Lkg&Lkaca/kksa ij cgq&fnfu izHkko ¼0&3 fnu½

viokg Lor% lg&laca/k

o"kZ ysx 0 ysx 1 ysx 2 ysx 3

2000 0-62 0-56 0-48 0-44

2001 0-63 0-56 0-52 0-50

2002 0-76 0-72 0-67 0-64

2003 0-82 0-76 0-70 0-67

2004 0-61 0-54 0-47 0-88

2005 0-76 0-73 0-71 0-67

2006 0-71 0-66 0-60 0-58

2007 0-65 0-59 0-52 0-46

2000&2007 0-66 0-60 0-55 0-51

fp=k 4 xaxks=kh fgeun ds viokg&o"kkZ lg&laca/kksa ij cgq&fnfu izHkko

¼1&3 fnu½A

lkj.kh 3 xaxks=kh fgeun ds fy, viokg &o"kkZ Lkg&Lkaca/kksa cgq&fnfu izHkko ¼0&3 fnu½

viokg Lor% lg&laca/k

o"kZ ysx 0 ysx 1 ysx 2 ysx 3

2000 0-21 0-16 0-03 0-02

2001 0-21 0-17 0-11 0-09

2002 &0-11 &0-10 &0-09 &0-07

2003 0-28 0-31 0-31 0-31

2004 0-04 0-05 0-06 0-07

2005 0-01 0-02 0-03 0-06

2006 &0-05 &0-04 &0-03 &002

2007 &0-03 0-01 0-03 0-02

2000&2007 0-003 0-004 &0-002 0-007

(5)

izfrxeu Lkaca/k vkSj viokg vkdyu ds fy, bLkdk mi;ksx % ;g izekf.kr gS fd miyC/k ÅtkZ dk viokg ij izHkko'kkyh izR;{k izHkko iM+rk gSA o"kZ.k ds izdkj vkSj o"kZ.k ds le;] nksuksa dk Hkh viokg ij dkQh izHkko iM+rk gSA viokg vkSj ekSle laca/kh rRoksa ds chp laca/k LFkkfir djus gsrq mnkgj.k ds fy,] ,d fgeun ls fudyh unh ds viokg dh Hkfo";ok.kh ds iz;kstu ls] le; J`a[kyk ds fy, izfrxkeh ;qfDr dk iz;ksx fd;k x;kA mPp vuqikr esa cQZ ls <ds csflu esa dqy okf"kZd viokg dks xfeZ;ksa ds vkSlr gok ds rkieku rFkk o"kZ.k dh pj jkf'k;ksa ls lac) djus okyh cgq&izfrxeu lehdj.k] mPp dksVh dk Li"Vhdj.k iznku djrh gSaA xaxks=kh fgeun csflu ls nSfud viokg dk vuqeku yxkus ds fy,] izR;sd xyu dky ¼2000&2007½ ds fy, vyx&vyx rFkk 8 xyu dkyksa

fp=k 5 xaxks=kh fgeun ds utnhd o"kZ 2008] 2009] 2010 ,oa 2011 ds fy, vfHkdfYir rFkk izsf"kr viokg

¼2000&2007½ dh la;qDr Ja`[kyk ds fy, cgqr&izfrxeu lehdj.k fodflr fd, x,A xaxks=kh fgeun csflu ls viokg dk vkdyu djus gsrq egRoiw.kZ pjkas dh igpku djus ds fy, pj.kc) izfrxeu rduhd dk iz;ksx fd;k x;kA viokg dks mYys[kuh; <ax ls izHkkfor djus okys laHkkfor egRoiw.kZ tyok;q dkjdksa ij fopkj dj izfrxeu lehdj.k fodflr fd, x,A csflu ls viokg dks fuHkZj pj vkSj 11 pjkas Qi-1, Qi-2, Qi-3, Ti, Ti-1, Ti-2, Ti-3 vkSj

Ri, Ri-1, Ri-2, Ri-3 dks Lora=k pj ds :i es bLrseky fd;k x;kA pj.kc) izfrxeu rduhd ds iz;ksx }kjk izR;sd xyu dky

¼2000 ls 2007½ ds fy, vyx&vyx rFkk 8 xyu dkyksa

¼2000&2007½ dh la;qDr Ja`[kyk ds fy, fodflr cgq&izfrxeu lehdj.k lkj.kh 4 esa nh xbZ gSA ;g ns[kk tk ldrk gS fd dqN pjkas

Discharge (m3 /s) Discharge (m3/s)

Discharge (m3/s) Discharge (m3/s)

(6)

lehdj.kksa }kjk viokg vkadM+ksa dk vPNh rjg ls izfrfuf/kRo fd;k x;k gSA la;qDr Ja`[kyk ds fy, Hkh mPp ewY; R2 ¼0-99½ dk izkIr gqvkA

fodflr dh x;h izfrxeu lehdj.k dks pkj Lora=k lkykas

¼2008&2011½ ds fy, nSfud viokg dk vuqeku yxkus ds fy, bLrseky fd;k x;kA 8 i`Fkd xyu dkyksa dh la;qDr vkadM+k J`a[kyk dk mi;ksx dj fodflr dh x;h lkekU;hd`r izfrxeu lehdj.k dks izfrxeu lehdj.kksa esa 'kkfey ugha fd;k x;k gS D;ksafd

pj.kc) izfrxeu rduhd ds nkSjku mUgsa lkaf[;dh; n`f"Vdks.k ls egRoghu ik;k x;kA Hkys gh gok dk rkieku fofdj.k eki dk ,d detksj fodYi gS rFkk o"kZ.k ekiu dsanz tyxzg.k lhekvksa ds ckgj vkSj vis{kkd`r de ÅapkbZ ij fLFkr gS blds ckotwn cgq&izfrxeu lehdj.kksa dk mi;qDr gksuk vPNk gSA lHkh vkB ¼8½ xyu dkykas ds fy, R2 dk 0-90 ls 0-99 ds chp mPp eku ;g n'kkZrk gS bu

fp=k 6 xaxks=kh fgeun ds utnhd o"kZ 2008] 2009] 2010 ,oa 2011 ds fy, vfHkdfYir rFkk izsf"kr viokg ds e/; Lkg&Lkaca/k

2008 2009

2010 2011

Discharge (m3 /s) Discharge (m3 /s)

Discharge (m3/s) Discharge (m3 /s)

200 180 160 140 120 100 80 60 40 20 0 180

160 140 120 100 80 60 40 20 0

250

200

150

100

50

0

160 140 120 100 80 60 40 20 0 y=0.969× + 2.708

R2 = 0.97

0 50 100 150 200

Days (may-sept) 0 50 100 150 200 Days (may-sept)

0 50 100 150 200

Days (may-sept) 0 50 100 150 200 Days (may-sept)

y = 0.863 × + 8.291 R2 = 0.92

y = 0.930× + 5.681 R2 = 0.93

y = 0.900× + 7.013 R2 = 0.90

(7)

dk mi;ksx dj viokg dk vkdyu fd;k x;kA 2008 ls 2011 ds fy, vfHkdfYir vkSj izsf"kr nSfud viokg dh rqyuk fp=k 5 esa n'kkZ;h x;h gSaA fp=k 6 ls irk pyrk gS fd lky 2008 ls 2011 ds fy, ifjdfyr viokg dk eku ekWMyksa ds vuqekfur ekuksa ds dkQh djhc gSA

fu"d"kZ

viokg dh tyok;q fHkérk ds LkkFk Lkaosnu'khyrk dks Lke>uk bLkfy, egRoiw.kZ gS D;ksafd turk vkSj tyh; ikfjfLFkfrdh iz.kkfy;ka ikuh dh vkiwfrZ ij fuHkZj gSa tks fo'ks"k :i Lks xfeZ;ksa esa de izokg ds ekSle esa vi;kZIr gSA tyh; vkSj tyok;q laca/kh vkadM+ksa ds chp laca/kksa dh ladYiuk eqf'dy dk;Z gS D;ksafd ;g tfVy HkkSfrd izfØ;kvksa ij vk/kkfjr gSaA bl v/;;u esa xyu dky ds nkSjku viokg rFkk ekSle laca/kh rRoksa ds e/; cgq&fnuh izHkko ds chp dh fo'ks"krkvksa dks le>us iz;kl fd;k x;k gSA geus xaxks=kh fgeun csflu esa /kkjk izokg vkSj o"kkZ rFkk rkieku ds chp fofHkUu le;

varjkyksa ds fy, laca/kksa dh tkap dhA viokg Lor% lg&laca/k]

fgeun dh HkaMkj.k fo'ks"krkvksa vkSj izfrfØ;k ds ckjs esa cgqewY;

tkudkjh iznku djrs gSaA viokg Lor% lg&laca/k ds dkfyd forj.k ls irk pyrk gS fd oSls rks lHkh le; varjkyksa ds fy, ,d vPNk Lor% lg&laca/k ekStwn gS] ijarq vf/kdre Lor% lg&laca/k

¼0-94&0-98½ fiNys fnu ds viokg ¼Qi-1½ rFkk la;qDr Ja`[kyk ds lkFk ¼0-97½ ns[kk x;k gSA ifj.kke ls irk pyrk gS fd ,d fo'ks"k fnu dk viokg] fiNys fnu ds viokg ij dkQh gn rd fuHkZj jgrk gSA bl izdkj fo'ks"k fnu ds viokg ds iwokZuqeku ds fy, fiNys fnu dk viokg ,d egRoiw.kZ iwoZoknh cu tkrk gSA mPp viokg Lor% lg&laca/kksa ls fgeunh; csflu esa Hk.Mkj.k xq.k&/keksZa ds izHkqRo dk ladsr feyrk gSA fofHkUu o"kksZa ds fy, viokg Lor%

lg&laca/kksa esa le; varjky esa o`f) ds lkFk deh ns[kh x;h gSA oSls rks 1 ls 3 fnuksa ds le;&varjky ds fy, viokg rkieku lg&laca/k vPNs ik;s x, gSaA ijarq vf/kdre lglaca/k mlh fnu ds rkieku ds lkFk ik;s x, tks fd fofHkUu o"kksZa ds fy, 0-61&0-82 ds e/; jgsA la;qDr J`a[kyk ds fy, mlh fnu ds rkieku ,oa viokg ds e/; lg&laca/k 0-66 jgkA viokg ,oa o"kkZ ds detksj lg&laca/k ik;s x,A

xaxks=kh fgeun csflu ls nSfud viokg dk vuqeku yxkus ds fy,] izR;sd xyu dky ds fy, vyx&vyx rFkk 8 xyu dkykas dh la;qDr Ja`[kyk ds fy, cgq&izfrxeu lehdj.k fodflr fd, x,A xaxks=kh fgeun csflu ls viokg dk vkdyu djus gsrq egRoiw.kZ pjksa dh igpku djus ds fy, pj.kc) izfrxeu rduhd dk iz;ksx fd;k x;kA ;g ik;k x;k gS fd fdlh fo'ks"k fnu ds viokg ¼Q1½ dks izfrxeu lehdj.k] ftlesa Qi -1 T1 ,oa Ri gksa]

ds }kjk vPNh izdkj ls fu:fir fd;k tk ldrk gSA csflu viokg dks fuHkZj pj vkSj 11 pjksa ;Fkk Qi-1] Qi-2, Qi-3, Ti-1]Ti-2, Ti-3vkSj

R1,Ri-1]Ri-2, Ri-3 dks Lora=k pj ds :i esa bLrseky fd;k x;kA v/;;u dk mís'; okLro esa ,d ekWMy [kkstus dk ugha Fkk] cfYd viokg rFkk ekSle laca/kh pjksa ¼o"kZ.k P, rkieku T½ ds e/; 0 ls 3 fnuksa ds varjky ds lkFk ,d fcYdqy ljy lg&laca/kksa dk voyksdu djuk FkkA LFkkfir lehdj.kksa dk mi;ksx pkj Lora=k o"kksZa

¼2008&2011½ ds viokg ds iwokZuqeku gsrq fd;k x;kA lHkh o"kksZa ds mPp 'kq)rk ¼R2 ¾0-93½ ds lkFk viokg dk iwokZuqeku yxk;k tk ldkA v/;;uksa ls irk pyrk gS fd ;fn vkxr pjksa dk irk gks rks fodflr izfrxeu lehdj.kksa dk mi;ksx viokg fu/kkZj.k gsrq fd;k tk ldrk gSA

vkHkkj

xaxks=kh fgeun ij tyekSle laca/kh vUos"k.k djus dh vuqefr rFkk lg;ksx nsus ds fy, ys[kd funs'kd] jk"Vªh; tyfoKku laLFkku]

#M+dh ds vkHkkjh gSaA

LkanHkZ

1- d;ku Mh vkj] fjMM~ys ,y th ,oa vxq;nksa bZ] n bu¶+yq,Ul vkWQ fizflfiVs'ku ,aM VsEizspj vkWu lht+uy LVªheQyksa bu dSfyQksfuZ;k] okWVj fjlkslsZl fjlpZ] 2929292929 ¼1993½ 1127&1140- 2- pkS/kjh vkj ,e ,oa okMZ ,u] gkbMªks&esVsvksjksykWftdy osjh;sfcfyVh

bu n xzsVj xaxk & czgeiq=kk ,aM es/kuk csflUl- baVjus'kuy tuZy vkWQ dykbZesVksykWth] 24242424 ¼2004½ 1495&1508-24

3- Mq,Yy ,y ,Q] MCY;w ts] n lsaflfVfoVh vkWQ ukWFkZu fl,jkZ usonk lkj.kh 4 xaxks=kh fgeun csfLku ds fy, pj.kc) izfrxeu rduhd

ds }kjk fodfLkr fofHké o"kksZa ¼2000&2007½ vkSj Lka;qä J`a[kyk gsrq izfrxeu Lkehdj.k

o"kZ cgq&izfrxeu lehdj.k R2

2000 Qi = -5.975 + 0.869 Qi-1 + 1.489 Ti + 0.565 Ri 0.90 2001 Qi = 6.491 + 0.992 Qi-1 - 0.679 Ti + 0.962 Ri 0.94 2002 Qi = -2.382 + 0.951 Qi-1 + 0.606 Ti + 0.128 Ri 0.96 2003 Qi = 0.228 + 0.966 Qi-1 + 0.124 Ti + 0.977 Ri 0.97 2004 Qi = 3.498 + 0.987 Qi-1 - 0.312 Ti + 0.375 Ri 0.94 2005 Qi = 4.808 + 0.941 Qi-1 + 0.942 Ti + 0.289 Ri 0.96 2006 Qi = 0.709 + 0.965 Qi-1 +0.103 Ti + 0.452 Ri 0.96 2007 Qi = -2.214 + 0.926 Qi-1 +0.583 Ti + 0.241 Ri 0.91 2000-2007 Qi = 2.962 + 1.011 Qi-1 - 0.422 T-i + 0.203 Ri 0.99

(8)

LVªheQyks Vw DykbesV psat] okWVj fjlkslsZl cqysfVu] 30303030 ¼1995½30 841&859-

4- dkax bZ] fjys'kufli fcV~ohu juvkWQ ,aM esVsvksjksykWftdy QS+DVj ,aM bV~l flE;qys'ku bu ,fr;ku'ku XySfl;jkbtM+ csflu]

flaiksft;e vkWu Luks gkbMªksykWth ,aM QksjsLV~l bu gkb vYikbu ,fj;kt+ fo;uk fleiksft;e] vkb-,p-,l-] 205 205 205 205 205 ¼1991½ 189&202- 5- DysV~Vh ,y ,y ,oa LVhQu ,p th] dksfjys'ku vkWQ DykbesV

,aM LVªheQyks bu Fkzh feuslksVk LVªhe- DykbesV psat] 37373737 ¼1997½37 575&600-

6- gkWxfdal vkj] lhtuy ,oksY;w'ku vkWQ esYV~okVj tsusjs'ku] LVksjst ,aM fMLpktZ ,V , ukWu&VsEijsV Xysf'k;j bu LokYcMZ- gkbMªksykWftdy izkslsll] 1515151515 ¼2001½ 441&460-

7- gkWxfdal th ,] MqMys vkj MCY;ww ,oa 'pkYd ,y ,Q] fjys'kuf'ki fcVf~ou foaVj DykbesfVd osfj;scy ,aM vizSy LVªheQyks bu U;w baXySaM ,aM bafIyds'kUl QkWj lej LVªheQykst- ;w-,l-th-,l- fjiksVZ

¼2012½ 19-

8- tsUlsu ,p ,oa ysax ,p] Q+ksjdkfLVax fMLpktZ ÝkWe , XySfl;jkbLM csflu bu n fLol vkYIl- baVjus'kuy ,lksfl;s'ku vkWQ gkbMªksykWftdy lkbUlsl ifCyds'ku 107 ¼;uwLdks&MCY;w-,e-vks-

&vkb-,-,p-,l flEiksft;k&n jksy vkWQ Luks ,aM vkbl bu gkbMªksykWth½ ¼1973½ 104&1057-

9- ySax ,p] osfj;s'ku bu n fjys'ku fcV~fou Xysf'k;j fMLpktZ ,aM esVsvksjksykWftdy ,fyesaV~l] vkb-,-,p-,l- ifCyds'ku 95- flEiksft;e vkWu n gkbMªksykWth vkWQ Xysf'k;lZ] ¼1973½ 85&94- 10- iky vkbZ] yky ;w] jkWcV~lZu , MCY;w] dsu ,e , ,oa caly

vkj] Mk;kXukfLVDl vkWQ osLVuZ fgeky;u lryqt fjoj Qyks % okeZ lht+u ¼,e-,e-e@t-t-v-l-½ baQyks baVw Hkk[kM+k MSe bu bafM;k- tuZy vkWQ gkbMªksykWth] 478478478478478] ¼2013½ 132&147- 11- 'ks; ts,e] jvalyks ,Q ,l ,oa ek'kZy ,l ts] gkbMªksesVsvksjksykWftdy

fjys'kuf'kIl vkWu gsx Xysf'k;j] vycVkZ] dukMk- ,uYl Xysf'k;ksykWth] 40 40 40 40 40 ¼2005½ 54&60-

12- flag ih] jke'kkL=kh ,l] dqekj ,u ,oa vjksM+k ,e] dksfjys'ku fcV~fou fMLpktZ ,aM esVsvksjksykWftdy iSjkehVlZ ,aM juvkWQ QkWjdkfLVax ÝkWe , gkbyh Xysfl;jkbLM fgeky;u csflu]

gkbMªksykWftdy lkbUlsl tuZy] 45454545 ¼5½ ¼2000½ 637&652-45 13- oksYQs ih ,e ,oa bafXy'k ,e lh ¼1995½ gkbMªksesVsvksjksykWftdy

fjys'kuf'kIl bu , Xysfl;jkbLM dSpesaV bu n dukfM;u gkb vkdZfVd- gk;MªksykWftdy izkslsll] 99999 ¼2000½ 911&921-

References

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