Gujarat GW Resource CGWB 1

8/17/2019 Gujarat GW Resource CGWB 1

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DYNAMIC GROUND WATER RESOURCESDYNAMIC GROUND WATER RESOURCES

OFOF

GUJARAT STATEGUJARAT STATE

AS ON MARCH 2013AS ON MARCH 2013

H N Tiwari, Scieni!"D#$% M&'a(ara, Scieni!"H N Tiwari, Scieni!"D#$% M&'a(ara, Scieni!"

CC

Cenra) Gr&*n+ Waer $&ar+Cenra) Gr&*n+ Waer $&ar+


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Location : Gujarat StateLocation : Gujarat State

Total Area : Total Area :

1,96,000 sq.1,96,000 sq.kmkm

20°06’ to 2°2 ! Lat20°06’ to 2°2 ! Lat

""

6#°10’ to $°2#’ %6#°10’ to $°2#’ %

Lon&.Lon&.

'istricts ( 26'istricts ( 26

Talukas ( 22) Talukas ( 22)

*m+ortant*m+ortant

itiesities

A-mea/aA-mea/a

aoaraaoara

SuratSurat

ajkotajkot


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limate : Gujarat Statelimate : Gujarat State

C)iae Re-i&n3umi : Sout- Gujarat

Su/(-umi : entral 4art o5 Gujarat

Semi(ari to Ari : !ort- Gujarat Sauras-tra " ac-c--

ain5all – Sout- 7est monsoon is t-e onl8 7et Season

– ain5all aries 5rom 2000mm in sout- to

a/out 00mm in ac-c-- – ain5all is erratic in nort- Gujarat,

Sauras-tra an ac-c--

– 'rou&-ts are 5requent


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RAINFA.. MA/ OF GUJARATRAINFA.. MA/ OF GUJARAT


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Gr&*n+ Waer Re!&*rce! &G*ara Sae 2013

;ater resources +la8s a ital role in t-e;ater resources +la8s a ital role in t-eeelo+ment o5 an8 +lace.eelo+ment o5 an8 +lace.


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Gr&*n+ Waer Re!&*rce! & G*araSae 2013

ealistic estimation o5 &roun7aterealistic estimation o5 &roun7aterresourceresource5orms t-e 5unamental /asis 5or its5orms t-e 5unamental /asis 5or its

sustaina/le mana&ement an la8s t-esustaina/le mana&ement an la8s t-e

/asic/asic

5ounation 5or 5uture eelo+mental5ounation 5or 5uture eelo+mental

+lannin&.+lannin&.

G + W R G


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T-e assessment o5 &roun 7ater resources inoles arelatiel8 com+le> +rocess o5 com+utation a5ter ul8

consierin& t-e arious 5actor relate to in?o7 an out?o7 o5t-is natural resources

%arlier t-e &roun 7ater resources 5or t-e state 7asestimate /ase on G%(19# norms an &uielines.

Su/sequentl8 a committee 7as 5orme in 199$ tou+ate &roun 7ater resources /ase on reise


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!orms 5or *F!orms 5or *FS.!o

ock Formation ecommene


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!orms 5or *F!orms 5or *F

S%N&

R&c6 F&rai&n Rec&en+e

+

Mini Ma7i

5 Sei"C&n!&)i+ae+San+!&ne

12 10 18

C&!&)i+ae+San+!&ne,9*ar:ie,.ie!≠e7ce( ca 4 5

? /'@))ie! S'a)e! 8 3 4

10 Ma!!i


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NORMS FOR RIFNORMS FOR RIF

Hsuall8, t-e recommene alues 7ere use

5or assessment, /ut minimum, ma>imuman

&reater alues 7ere consiere /ase ont-e

Eel alues.

An aitional 2= o5 rain5all rec-ar&e 5actor -as/een consiere 7-ere in suc- areas or

+art o5

t-e areas 7-ere 7aters-e eelo+ment

7it-

G + W R G


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%stimation I5 ec-ar&e 'ue To ain5all%stimation I5 ec-ar&e 'ue To ain5all

;ater Ta/le Fluctuation


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Rec'ar-e D*e T& Raina)) Waer Ta)e

F)*c*ai&n Me'&+

NORMS FOR S(ecic @ie)+ ;S@=

S%N& F&rai&n Rec&en+e+

Mini* Ma7i*

1 San+@A))* 12 20

2 Si)@A))*


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F)*c*ai&n Me'&+N&r! F&r S@ S%N&

R&c6 F&rai&n Rec&en+e+

Mini*

Ma7i*

1 ;eat-ere Granite.

Gneiss an Sc-ist 7it-lo7 cla8 content

= 2= =

2 ;eat-ere Granite.Gneiss an Sc-ist 7it-si&niEcant cla8content

1.)= 1= 2=

;eat-ere oresicular or ointeCasalt

2= 1= =

Laterite 2.)= 2= =

) Sanstone = 1= )=

G + W R G


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Rec'ar-e D*e T& Raina)) Waer Ta)e F)*c*ai&n Me'&+

N&r! F&r S@S%N& R&c6 F&rai&n Rec&en+e+ Mini*

Ma7i*

6 JuartKite 1.)= 1= 2=

$ Limestone 2= 1= =

# arstiEe Limestone #= )= 1=

9 4-8llites " S-ales 1.)= 1= 2=

10


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F)*c*ai&n Me'&+

NORMS FOR S/ECIFIC YEI.D ;S@=

*n most o5 t-e lit-o units, t-erecommene alues -ae /eenuse an 7-ere eer t-e alues7ere ot-er7ise as +er t-e Eel

stuies, t-ose alues -ae /eenconsiere.

Gr&*n+ Waer Re!&*rce! & G*ara


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F)*c*ai&n Me'&+

S= h * SY * A = RRF+RC+RSW+RGW+RT+RWCS-DG

Where

S= Change in storage

h = Rise in water level during monsoon season

SY= Se!i"i! #ield in the $one o" "lu!tuation

A=Area o" the su% unit

RRF = Re!harge due to Rain"all

RC = Re!harge due to CanalsRSW =Re!harge due to Sur"a!e Water &rrigation

RGW=Re!harge due to Ground Water &rrigation

RT=Re!harge due to Tan's ( )onds

RWCS=Re!harge due to Water Conservation Stru!tures

DG=Gross Ground Water Dra"t



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%stimation I5 ec-ar&e 'ue To ain5all%stimation I5 ec-ar&e 'ue To ain5all



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%stimation I5 ec-ar&e 'ue To ain5all



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T&a) Gr&*n+ Waer Rec'ar-eT&a) Gr&*n+ Waer Rec'ar-e

TGWR = RR"

+ RC

+ RSW

+ RGW

+ RT+ R

WCS

WhereWhere

TGWR = Total Ground Water Re!hargeTGWR = Total Ground Water Re!harge

RRRFRF

= Re!harge due to Rain"all= Re!harge due to Rain"all

RRCC = Re!harge due to Canals= Re!harge due to Canals

RRSWSW

=Re!harge due to Sur"a!e Water &rrigation=Re!harge due to Sur"a!e Water &rrigation

RRGWGW

=Re!harge due to Ground Water &rrigation=Re!harge due to Ground Water &rrigation

RRTT= Re!harge due to Tan's ( )onds= Re!harge due to Tan's ( )onds

RRWCSWCS=Re!harge due to Water Conservation Stru!tures=Re!harge due to Water Conservation Stru!tures



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Ne Ann*a) Gr&*n+ Waer A


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Gr&*n+ Waer .e


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Cae-&ri:ai&n O T'e S*"Uni ;GEC 1??5=Cae-&ri:ai&n O T'e S*"Uni ;GEC 1??5=Stage ;" Ground Water

Develoment 1

Ground Water


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Cae-&ri:ai&n O T'e S*"Uni ;GEC 2008=Cae-&ri:ai&n O T'e S*"Uni ;GEC 2008=Sa-e Dec)inin- /re"

M&n!&&n Tren+

Dec)inin- /&!"

M&n!&&n Tren+

Cae-&r@

M$0= !o !o Sa5e

M$0= !o Nes To Ce eassesse

M$0= Nes !o To Ce eassesse

M$0= Nes Nes To Ce eassesse

O$0= an M90= !o !o Sa5eO$0= an M90= !o Nes Semi(ritical

O$0= an M90= Nes !o Semi(ritical

O$0= an M90= Nes Nes To Ce eassesse

O90= an M100= !o !o To Ce eassesse

O90= an M100= !o Nes Semi(ritical

O90= an M100= Nes !o Semi(ritical

O90= an M100= Nes Nes ritical

O100= !o !o To Ce eassesse

O100= !o Nes Ier(%>+loite

O100= Nes !o Ier(%>+loite

O100= Nes Nes Ier(%>+loite



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Groun ;ater esources o5 GujaratGroun ;ater esources o5 Gujarat

StateState *n


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CATEGORIATION OF ASSESSMENT UNITS"2013CATEGORIATION OF ASSESSMENT UNITS"2013

.EGEND.EGEND



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Gr&*n+ Waer Re!&*rce! & G*araSae 2013CATEGORIATION OF ASSESSMENT UNITS ;TA.UAS=CATEGORIATION OF ASSESSMENT UNITS ;TA.UAS=

Di!ric O


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Di!ric O


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Di!ric O


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Di!ric O


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CATEGORIATION OF ASSESSMENT UNITS ;TA.UAS=CATEGORIATION OF ASSESSMENT UNITS ;TA.UAS=

Di!ric O


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Di!ric O


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Di!ric O


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Di!ric O


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Di!ric O


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COM/ARISION OF GW AAI.A$I.ITY AND DRAFTCOM/ARISION OF GW AAI.A$I.ITY AND DRAFT



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STAGE OF GROUND WATER DEE.O/MENTSTAGE OF GROUND WATER DEE.O/MENT



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SrN&%

Ari*e! Year & C&(*ai&n2011 2013

1 T&a) Ann*a) Gr&*n+ Waer

Rec'ar-e ;'a#@ear=

14>44 20508?8

2 Ne Ann*a) Gr&*n+ WaerA


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T-ou&- t-ere is an increase in t-e net &roun 7ater rec-ar&e com+onent/ut t-ere is no si&niEcant c-an&e in t-e num/er o5 I% an riticaltalukas as t-ere is su/stantial increase in t-e ra5t com+onent. 3o7eerto oercome t-e situation o5 increase in oere>+loite, critical an salineareas in 5uture, re&ulation o5 &roun7ater a/straction is necessar8.

HtiliKation o5 &roun 7ater resources s-oul /e reuce /8 ao+tin&7ater eRcient micro irri&ation +ractices like ri+ s+rinkler /8 &iin&li/eral su/siies to t-e 5armers.

'ee+ conEne aqui5ers also require to /e rec-ar&e /8 constructin&

rec-ar&e tu/e 7ells alon& canalss+reain& c-annelstanks in orer tocontrol 5urt-er e+letion o5 7ater ta/le +articularl8 in 7ater scarce !ort-Gujarat an ac-c-- re&ion.

%>istin& +onstanks s-oul /e linke 5or stora&e o5 e>cess ?oo(7aterin e(saturate aqui5er t-rou&- a++ro+riate tec-niques in oer e>+loite,

ritical an Semi(ritical talukas.

RECOMMENDATIONSRECOMMENDATIONS



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*n t-e oere>+loite an critical talukas, construction o5 eit-er 7ell ortu/e 7ell is /ein& +ermitte onl8 a5ter a++roin& a++ro+riate 7ell esi&n5or /etter utiliKation o5 &roun 7ater resources.

4ro+er +olicies 5or minin& o5 minerals or rocks +articularl8 in coastalareas ma8 /e 5ormulate to +rotect &roun 7ater resources.

To stu8 t-e +erioical c-an&e in &roun 7ater ta/le as 7ell as qualit8an +recise assessment o5 &roun 7ater resources, more monitorin&stations 7it- close net(7ork s-oul /e esta/lis-e in t-e coastal area.

esearc- " 'eelo+ment 7orks ma8 /e taken u+ 5or reEnement o5arious -8rolo&ical +arameters like s+eciEc 8iel, inEltration rate,see+a&e losses 5rom canal, return see+a&e 5rom irri&ation t-rou&-&roun as 7ell as sur5ace 7ater, unit ra5t 5or ierent t8+es o5 &roun7ater a/straction structures.

RECOMMENDATIONSRECOMMENDATIONS



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Gujarat GW Resource CGWB 1

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