Groundwater recharge an overview sciencedirect topics. Artificial recharge of groundwater by injection well laxman kharal, nepal sustainable environmental sanitation and water services the land area of the kathmandu valley is 600 square kilometers sq. Artificial recharge may be defined as the practice of artificially increasing the amount of water that enters a groundwater reservoir. In the broadest sense one can define artificial recharge. Jul 28, 2018 artificial groundwater recharge ensures there is water allyearround for agricultural purposes. Stored water is recovered through a well or allowed to discharge into a stream at some point downgradient.
Introduction groundwater recharge is the replenishment of an aquifer with water from the land surface. Artificial recharge through a spreading basin in an unconfined aquifer. The effects of artificial recharge on groundwater levels and. Artificial recharge is increasingly used for short or longterm underground storage, where it has several advantages over surface storage, and in water reuse. The term artificial recharge of groundwater has different connotations for various practitioners.
The water is pumped from the dewatering system and then piped to the recharge location, which may be a considerable distance away, where the water is injected back. Artificial groundwater recharge is the most direct way to address groundwater depletion with recycled water. Special emphasis is placed on the use of reclaimed municipal wastewater as a source for artificial recharge of groundwater. The heavy pumping lowers the ground water level and cone of depression is created. Artificial recharge of groundwater civil engineering. Artificial recharge of groundwater montana legislature. Pdf simulated impacts of artificial groundwater recharge. The artificial recharge of ground water is normally taken in following areas. One result of the growing competition for water is increased attention to the use of artificial recharge to augment ground water supplies. Induced recharge artificial recharge involving pumping from aquifer hydraulically connected with surface water such as perennial streams, unlined canal or lakes.
Artificial recharge can be done using any surplus surface water. Artificial groundwater recharge is a process by which the groundwater reservoir is augmented at a rate exceeding the augmentation rate under natural conditions of replenishment. Artificial recharge is the practice of increasing the amount of water that enters an aquifer through humancontrolled means. Artificial recharge of groundwater with stormwater as a. Although much can be learned from discussing the general characteristics of ground water recharge technologies, the knowledge. Artificial surface groundwater recharge refers to different groundwater. Groundwater recharge and discharge seth rose georgia state university, atlanta, usa keywords. It is usually expressed as an average rate of mm of water per year, similar to precipitation. According to these rules, a major development project, which is one that disturbs at least 1 acre of land or creates at least 0. Areas where ground water levels are declining on regular basis.
Groundwater recharge also encompasses water moving away from the water table farther into the saturated zone. The artificial recharge of 2280 m3d is possible even when no pumping is done, that causes maximum 2. Aquifer water can be improved by injecting high quality water. According to a pilot project operated for five years in gaza city for recharging treated effluent to aquifer, it was found that there was negative impact on the local groundwater quality. Areas where availability of ground water is inadequate in lean months. Jan 26, 2002 artificial recharge of groundwater is achieved by putting surface water in basins, furrows, ditches, or other facilities where it infiltrates into the soil and moves downward to recharge aquifers.
This includes, for example, direction of water to the land surface through canals, irrigation furrows or sprinkler systems, and injection of water into the subsurface. Often, the quality improvement of the water is actually the main objective of. When low quality water is used for recharge, the underground formations can act as natural filters to remove many physical, biological, and chemical pollutants from the water as it moves through. Artificial recharge is increasingly used for short or longterm underground storage. Artificial recharge of aquifer is the process of adding water to an aquifer through human effort. The artificial recharge methods are proving to be effectual in maintenance and replenishment of the aquifers fred 2006. Stated simply, artificial recharge is a process by which excess surface water is directed into the groundeither by spreading on the surface, by using recharge wells, or by altering natural conditions to increase infiltrationto replenish an aquifer. In artificial recharge schemes aquifers are treated as a naturallyregulated system which may be used to store surface water, thereby leveling out seasonal variations in surface water availability and providing a steady supply of. The most recent artificialrecharge studies on long island were done at east meadow, in central nassau county, where tertiarytreated reclaimed water. In a case study, danaeian 1997 evaluated groundwater with an emphasis on artificial and natural recharge. Ground water artificial recharge in spate areas case study wadi ahwar in yemen, dr.
Without artificial recharge the operation of the waterworks at the recent production rate became impossible. Artificial recharge to replenish groundwater resources is becoming more common in arid areas. Artificial ground water recharge ppt linkedin slideshare. Saleh introduction this report responds to the tor and the data collection and analyses the results of which were used in creating certain thematic groundwater maps. The water is pumped from the dewatering system and then piped to the recharge location, which may be a considerable distance away, where the water. How artificial groundwater recharge can prevent depletion. Out of this, 690 bcm is available as surface water and the remaining 396 bcm as ground water. Abstract artificial recharge of groundwater is achieved by putting surface water in basins. Artificial recharge of groundwater is achieved by putting surface water in basins, furrows, ditches, or other facilities where it infiltrates into the soil and moves downward to recharge aquifers. Brine from the ro process is pumped to the csdoc facilities for ocean disposal. Prepared in cooperation with the city of wichita, kansas, as part of the equus beds groundwater recharge project simulation of groundwater flow, effects of artificial recharge, and storage volume changes in the equus beds aquifer near the city of wichita, kansas well field, 19352008 by brian p. Artificial recharge of groundwater with recycled municipal. Natural water purification and water management by. Feb 14, 2014 groundwater levels to their past elevations to provide summertime flows to streams through groundwater discharge.
Artificial recharge can be utilized to raise groundwater levels, prevent seawater intrusion, supplement water supplies and remain in long term storage for future use or drought mitigation. Pathogen survival in groundwater during artificial recharge 71 artificial recharge methods water can be actively recharged to an aquifer by a number of different methods. Image courtesy of oregon water resources department. In this article, we will give an overview of how groundwater works in relation to natures hydrologic cycle, well discuss the causes and effects of groundwater depletion, and finally, well discuss the importance of implementing artificial groundwater recharge projects. Pathogen survival in groundwater during artificial recharge.
Induced recharge it is an indirect method of source. The effects of artificial recharge on groundwater levels and water quality in the west hydrogeologic unit of the warren subbasin, san bernardino county. Stated simply, artificial recharge is a process by which. The final artificial groundwater recharge map is shown in fig. Saleh introduction this report responds to the tor and the data collection and analyses the results of which were used in creating certain thematic groundwater maps reflecting the groundwater. Artificial recharge on discharge to streams, springs, and riparian vegetation in the sierra vista subwatershed of the upper san pedro basin, southeastern arizona. Bear2 1042016 artificial recharge of groundwater aquifers ar, performed through infiltration ponds and through recharge wells, has been practiced in israel since the 1960s as an important component of the integrated management of surface and groundwater. Longterm storage of water via artificial recharge of groundwater water banking in times of. Artificial recharge artificial recharge also known as aquifer reinjection is the process of injecting or recharging water into the ground in a controlled way, by means of special recharge wells. Thus, the ground water has been considerably amplified and the salinity of water has been declined, thus improving the quantity and quality of water.
Artificial groundwater recharge is the infiltration of surface water into shallow aquifers to increase the quantity of water stored in the subsurface and to improve its quality by processes of natural attenuation balke et al. Recharge occurs both naturally through the water cycle and through anthropogenic processes i. In this research, which was carried out on ibrahim abad plain in yazd, modflow model was used for the simulation of groundwater and the effects of artificial recharge. A recharge shaft is similar to a recharge pit but much smaller in crosssection. In this thesis, the capacity of small lakes to produce significant seepage and recharge to the underlying aquifer within city limits is explored for dck. For example, groundwater can be artificially recharged by redirecting water across the land surface through canals, infiltration basins, or ponds. Simulated impacts of artificial groundwater recharge and discharge on the source area and source volume of an atlantic coastal plain stream, delaware, usa. The effectiveness of artificial recharge schemes is governed by climate, geology and hydrogeology, topography, source water availability and quality, operational and management issues, regulatory controls and environmental and socioeconomic considerations. Overview what is artificial groundwater recharge need for artificial recharge identification of areas for recharge water sources factors affecting artificial groundwater recharge methods of artificial recharge case studies advantages of artificial groundwater recharge conclusion 3 february 2017 230. The recharge of ground water occurs both naturally and artificially. Artificial recharge through injec tion of spent cooling water has also been used, and recycling treated wastewater through injection wells and recharge basins has been studied. Chapter 6 groundwater recharge this chapter presents the standards, data, and procedures necessary to meet the groundwater recharge requirements of the njdep stormwater management rules at n. The method of choice depends on aquifer characteristics, depth to groundwater from the ground surface, the presence of confining layers, the availability of large amounts of. Areas where substantial amount of aquifer has already been desaturated.
Also, the aquifer parameters were found to be least affected with the change in rate of recharge or discharge. In case of the 3rd and 4th scenario the drainage effect of the river is dominant. An artificial recharge scheme may be aimed at recharge augmentation in aspecific area for making up the shortage in ground water recharge compared to the ground water draft either fully or partially. Factors affecting the availability of water resources include increasing demands for water while water resources remain finite. Ground water recharge using waters of impaired quality.
Mod01 lec19 concept and methods of artificial ground. Artificial groundwater recharge is the planned infiltration of effluents from sanitation systems e. Important issues in planning such schemes are the selection of a suitable source of water, the location of the artificial. The central ground water board has conducted specific studies in an over exploited watershed wr2, amravati district, maharashtra. Artificial recharge of groundwater is expected to increase\ worldwide as populations rise.
Evaluation of artificial recharge on groundwater using. Artificial recharge has application in waste disposal, secondary oil recovery, and land subsidence problems, as well as water supply problems. Guide on artificial recharge central ground water board. Focus is kept on keeping the system design flexible, so that changing needs of the client can be integrated with existing recharge operations and facilities. Artificial recharge of ground water is defined as the recharge that occurs when the natural pattern of recharge is deliberately modified to increase recharge. Artificial recharge also known as aquifer reinjection is the process of injecting or recharging water into the ground in a controlled way, by means of special recharge wells. The effectiveness of artificial recharge of groundwater. Manual on artificial recharge of ground water v list of tables table no description page 2. It was observed that during recharge through the well, the hydraulic conductivity and specific storage coefficient of the aquifer decreased by 15% and %, respectively in relation to those of discharge.
Artificial groundwater recharge artificial recharge is the practice of increasing by artificial means the amount of water that enters a groundwater reservoir todd, 1959. Pdf new methods of artificial recharge of aquifers. Recharging aquifers replenishing our groundwater resources california academy of sciences duration. Oct 28, 20 induced recharge it is an indirect method of source. The necessity of artificial recharge of aquifers is increasing day by day due to excessive demand of water by the evergrowing population and also because of the scarcity of good dam sites available for construction. In this research, which was carried out on ibrahim abad plain in yazd, modflow model was used for the simulation of groundwater and the effects of artificial recharge on groundwater reservoirs 12. Artificial recharge of groundwater linkedin slideshare. It can be practiced especially in river valleys and sedimentary plains by infiltrating river or lake water into. The groundwater recharge zones has been classified into highly suitable, suitable, moderately suitable, least suitable, and unsuitable. Artificial recharge of groundwater focuses on artificial recharge of groundwater basins as a means to increase the natural supply of groundwater, along with the technical issues involved. Learn vocabulary, terms, and more with flashcards, games, and other study tools. Ijrras 4 2 august 2010 bhattacharya artificial ground water recharge 216 management during regular operations, and necessary monitoring. Indirect methods 1 induced recharge ves pumping water from aquifer, which iswater, to induce recharge to the groundwater reservoir. Artificial recharge of groundwater by injection well.
1433 57 77 1075 114 818 543 121 1280 392 684 955 560 1212 1411 669 964 747 1095 289 1189 1132 135 514 208 371 404 102 116 1396 1276 907 424 1012 1004 559 860 1196 582 427 396 373 221 354