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Drought Management For Social Security
Central Ground Water Board Ministry of Water Resources, River Development & Ganga Rejuvenation Govt. of India
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Ground Water Indicators Linked with Drought
Indicator 1 : Significant Decline in Ground Water Level: GW level measured four times a year by CGWB during (January, March/April/ May, August and November) from about observation wells located all over the country. Indicator 2 : Categorization of assessment units as per Dynamic Ground Water Resources: Assessment of dynamic ground water resources carried out every two years jointly with the respective State Governments using the methodology recommended by Ground Water Estimation Committee –GEC’ 97. Assessment units categorized as Overexploited, Critical, Semi Critical and Safe.
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Significant Decline in Water level
Current water level compared with decadal average to identify Areas having significant decline in ground water level (say >70% wells showing decline) Areas showing >4m fall in water level when compared with decadal mean water level
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Categorization of Assessment Units
Assessment unit categorized as Over-Exploited and Critical as per Dynamic Ground water Resources
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Groundwater Drought Index(GWDI)
Manual for Drought Management As per the Manual ,Ground Water Drought Index(GWDI) is one of the four impact indicators for assessment of drought. The states may consider any three of the four types of the impact indicator for assessment of drought, the intensity of the calamity and make a judgement. Ground Water Drought Index: Mean water level of ten years - Current water level GWDI = ________________________________________________________ Maximum Water level during ten years Groundwater Drought Index(GWDI) Groundwater Deficit Class > Normal to Mild to Moderate to Severe < Extreme GWDI and Ground Water Deficit Class
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CGWB Activities related to Drought Management / Proofing
Under Ministry of Water Resources, River Development & Ganga Rejuvenation technical teams were constituted in 2016 for on the spot study of water situation in different states of the country having drought affected/water scarce regions/areas The teams included officers from C.W.C. & C.G.W.B. from their concerned regional offices and from state water Resources Department. The teams visited such areas and submitted their reports mentioning following points: - Analyse the Problem and Causes leading to water scarcity - Identification of Water Resources Management challenges - Identifiction of gaps in water information and plans to recharge. - Long Term Solutions Protection, Management and Restoration of Water bodies. Cont.
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CGWB Activities related to Drought Management / Proofing
As per directions of MoWR,RD&GR a Water Scarcity Cell was constituted at CGWB, Faridabad under the Member(NGI) during the last two years in order to address activities being undertaken towards drought monitoring. The following actions were taken on priority: Nodal officers of CGWB were nominated at the Regional offices to coordinate /share water level data and Ground Water Drought Index (GWDI) with the Drought Monitoring Cells at respective states. Necessary inputs on ground water scenario in drought affected areas are discussed in Weekly meetings of Crop Weather Watch Group on Drought Management (CWWGDM) followed by Video conferencing with the state govts. since June’2017at Krishi Bhawan, New Delhi chaired by Additional Secretary & Central Drought Relief Commissioner, Department of Agriculture, Cooperation and Farmers Welfare, Ministry of Agriculture and Farmers Welfare, Govt. of India. State-wise and district-wise information on water level data and Ground Water Drought Index(GWDI) as per format of Drought Manual’Dec.2016 are being provided as and when required by Crop Weather Watch Group on Drought Management (CWWGDM). Cont.
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CGWB Activities related to Drought Management / Proofing
Ministry of Water Resources, River Development & Ganga Rejuvenation , CGWB has undertaken country wide program of National Aquifer Mapping and Management ( NAQUIM) to develop aquifer wise management plan. The outcome of which will help in planning and management of ground water development in drought prone areas. Under the program special attention has been given to Ove-rexploited and water scares areas including areas with frequent drought. Some of the key activities are : Management Plan of NAQUIM Supply-side Management Demand-side management Demand-side Management : Crop Diversification Identify Ground water potential areas for development To increase water use efficiency Deepening of water level will result in increase of energy requirement To reduce water foot print In water scarce areas, less water consuming crops should be encouraged. Adequate measures to be adopted for water conservation and artificial recharge to ground water, rain water harvesting Cont. constructed 25 wells in drought affected areas of Maharashtra in two months from May to June 2016 and handed over to State Govt. to augment water supply . Whis will cater to about lpcd if pumped intermittently for 10 hours/day. 10 no. of exploratory wells (04 in Kachchh District and 06 in Porbandar District) constructed by Central Ground Water Board during the year to been offered to the Gujrat State Water Supply Department i.e. Gujarat Water Supply and Sewerage Board which can be utilised for drought relief work.
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CGWB Activities related to Drought Management / Proofing
Constructed 25 wells in drought affected areas of Maharashtra in two months from May to June 2016 and handed over to State Govt. to augment water supply . This will cater to about lpcd if pumped intermittently for 10 hours/day. 10 no. of exploratory wells (04 in Kachchh District and 06 in Porbandar District) constructed by Central Ground Water Board during the year to been offered to the Gujrat State Water Supply Department i.e. Gujarat Water Supply and Sewerage Board which can be utilised for drought relief work. Cont.
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CGWB Activities related to Drought Management / Proofing
In order to address the declining ground water level, Central Ground Water Board has prepared Artificial Recharge plans of 407 Over Exploited blocks/ Assessment units. CGWB in association with GWD, Govt. of A.P has prepared artificial recharge plans for 41 Over Exploited (OE) mandals, with a total cost of crores. In all, 2,096 Check dams, 428 percolation tanks, 3,104 recharge shafts, 16,300 farm ponds etc have been proposed. CGWB in association with GWD, Govt.of Telangana has prepared artificial recharge plans for 42 Over Exploited(OE) mandals, with a total cost of crores. In all, 819 Check dams, 245 percolation tanks, 80,995 recharge shafts, 19,200 farm ponds etc have been proposed. Cont.
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CGWB Activities related to Drought Management / Proofing
Under Jal karanthi Abhiyan , Central Ground Water Board coordinated with concerned states for identification of 376 Jalgrams in 15 states/UTs. State governments are being persued to prepare the remaining plans. Following proposals on Artificial Recharge have been prepared: EFC Proposal for Six Blocks as Pilot Project in Six States namely Andhra Pradesh, Madhya Pradesh, Punjab, Tamil Nadu, Telangana & Uttar Pradesh amounting to Rs 94.0 crores under PMKSY (HKKP) . A proposal of Rs crores to be covered in the Scheme of Ministry of Rural Development(MGNREGA) in nine state of Andhra Pradesh, Haryana, Karnataka, Maharashtra, Punjab, Rajasthan, Tamil Nadu, Telangana, & Uttar Pradesh on Cont.
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CGWB Activities related to Drought Management / Proofing
Knowledge Sharing & Awareness: Mobile Apps. CGWB has launched two mobile maps: “Jal Sanchayan” mobile application : In order to facilitate common man to implement rain water harvesting through various techniques, Central Ground Water Board has launched a “Jal Sanchayan” mobile application . It is a user-friendly android mobile application comprises all components of rainwater harvesting in single platform. “ Mera Bhujal” mobile application: In order to facilitate common man, it provides ground water resources information for users current/desired location , Information on annual ground water availability and withdrawal , Stage of ground water withdrawal ,Indicates the withdrawal stages in color coded format. It also provides suitable suggestions to augment the ground water, provides ground water quality information of user locality ‘ Suitable suggestions for sustainable utilization of ground water Cont.
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CGWB Activities related to Drought Management / Proofing
Knowledge Sharing & Awareness: Organised Tier II & Tier III training programs in different states and literature pertaining to rain water harvesting, aquifer mapping were circulated amongst the trainees. Technical Officers from different state Government Departments, Students from University were benefitted through Tier-II training program. Farmers, NGO’s, VO’s, Gram Pradhan were benefitted through Tier-III training program . The aim is to create awareness about ground water scenario, related problems and suggest suitable interventions. Regulatory Measures CGWA notified 163 areas in the country for control and regulation of ground water.
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