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008 180703s2016 th uu m rtt 0| a1eng d
035 _a.b12203531
099 9 _aAIT Thesis no.WM-16-15
100 1 _aAshraf, Saqib
245 1 0 _aGroundwater recharge in the context of climate change and land use/land cover change in lower Ravi River Basin, Pakistan
260 _aPathum Thani, Thailand :
_bAsian Institute of Technology,
_c2016
300 _a87 leaves :
_bill. (some col.)
490 1 _aThesis ;
_vno. WM-16-15
500 _aA thesis submitted in partial fulfillment of the requirements for the d egree of Master of Engineering in Water Engineering and Management
520 _aGroundwater is an essential resource of water for irrigation and household use especially in area where surface water quality does not fulfill the demands. However, its sustainability is threatened by climate change and Land cover change. Estimation of gro undwater recharge for Lower Ravi river basin in context of climate change and Land use change is conducted in this research. Initially the trend analysis of historical climate was carried out using RClimdex software showing that climatic trends are changin g. The generation of future climate parameters including rainfall and temperature was the next step. Three GCMs and two RCP scenarios were considered. The historical climate data along with basic inputs were used to develop a calibrated and validated hydro logical model named SWAT for the study area. The current land cover was used to generate future land cover in the area using CA - Markov. Four scenarios namely Baseline, Climate Change, Land Cover change and combined land cover and climate change were develo ped for quantification of groundwater recharge in the study area. The annual temperature is expected to increase by 2.1 0 C and 3.7 0 C respectively for RCP 4.5 and RCP 8.5 by 2100. The annual mean precipitation is also expected to increase by 2.45% and 4.47 % for two RCPs respectively. The groundwater recharge under climate change scenario is going to increase by 8% with a seasonal shift. Major impacts on recharge were seen through Land cover change which causes a decrease in recharge to 38%. The combined imp acts of climate and land use change are reduction in recharge to about 15%. Land cover change is going to impact groundwater recharge more critically than climate change
502 _aThesis (M. Eng.) - Asian Institute of Technology, 2016
650 0 _aGroundwater
_zLower Ravi River Basin (Pakistan)
650 0 _aLand use
_zLower Ravi River Basin (Pakistan)
650 0 _aClimatic change
_zLower Ravi River Basin (Pakistan)
700 0 _aSarawut Ninsawat,
_eExamination committee
700 1 _aShrestha, Sangam,
_eChairperson
700 1 _aBabel, Mukand Singh,
_eExamination Committee
700 1 _aPandey, Vishnu P.,
_eExternal expert
710 2 _aWorld Bank,
_eScholarship donor
710 2 _aPunjab Irrigation Department,
_eScholarship donor
810 2 _aAsian Institute of Technology.
_tThesis ;
_vno. WM-16-15
856 _3Full-Text
_uhttp://203.159.5.9/ait-thesis/detail.php?q=B04425
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_vn
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