04433nam a2200469 a 4500 20260818132640.0 .b10317387 En AIT Thesis no. IR-93-01 Mainuddin, Md. Groundwater irrigation planning under multiple objectives : Sukhothai Project zone 1, Thailand Bangkok : Asian Institute of Technology, 1994 151 leaves Thesis ; no. IR-93-01 A thesis submitted in partial fulfillment of the requirements for the degree of Master of Engineering, School of Civil Engineering Thesis (M. Eng.) - Asian Institute of Technology, 1994 Water is one of the main limiting resource that influence on the crop area planning and management decision in all irrigation project. In water resources systems the availability of water supplies from the natural resources varies randomly in amount and is often not adequate to meet the demand. Selection of a suitable crop plan to get the maximum social and economic benefit under this limiting condition is a formidable task for engineers and planners. This study deals with one such problem of a groundwater irrigation project in Thailand. A monthwise crop area planning model is formulated for determining the optimal cropping pattern and the groundwater abstraction requirement. Two objectives, maximization of net economic benefit and maximization of irrigated area, those are often aspired to be improved by both the irrigation authority and the individual farmers are considered in model formulation. To match with uncertainty of resources availability, the model is solved for three levels of reliability of resources (80%, 50% and 20%). Moreover, the operational reliability of the tubewells are determined and the comparison of supply and demand for the past ten years are carried out. The effect of certain level of deficit irrigation on the net benefit and cropping intensity as well as on the yield of crops are also assessed by considering three levels (no deficit, 25% deficit and 50% deficit) of water application to the crops. Optimal cropping patterns are obtained for different alternative scenarios at all levels of reliability for maximization of net benefit and irrigated area. The result of crop planning model indicates that there is a conflict exists between the two objectives. To minimize that conflict and to select the best alternative multiobjective analysis is carried out by Analytic Hierarchy Process and Compromise programming considering the preference of the decision makers. It is found that the net benefit obtained from the project can be increased by 50% from the existing benefit and cropping intensity can be increased to 150% from the existing 94%, even considering the lower availability of resources by providing full irrigation to the crops. Recommendations is made for the best alternative. Water, Underground Thailand Sukhothai Gupta, Ashim Das, Chairperson Onta, Pushpa Raj, Examination Committee Loof, Rainer, Examination Committee Kono, Yasuyuki, Examination Committee The Royal Government of The Netherlands, Scholarship Donor Asian Institute of Technology. Thesis ; no. IR-93-01 Full-Text http://203.159.5.9/ait-thesis/detail.php?q=B16038 .b10317387 mnait u 241212 2 951012 m a u 0 AIT Thesis no. IR-93-01 mnait b m 099 3005000114831x mnait 30050001148328 c. 2 mnait mnait mnait mnarc 20 40 Barcode : 30050003076485 CREATED : 1995-10-14 RECORD # : i10393584 LPATRON : 1011001 LCHKIN : 1999-05-10 # RENEWALS : 0 # OVERDUE : 0 IUSE3 : 0 TOT CHKOUT : 1 TOT RENEW : 0 Barcode : 30020220000577 CREATED : 1995-10-14 RECORD # : i10393596 LPATRON : 1013080 LCHKIN : 2002-11-03 # RENEWALS : 0 # OVERDUE : 0 IUSE3 : 0 TOT CHKOUT : 5 TOT RENEW : 0 Barcode : 30050160071998 CREATED : 2016-04-28 RECORD # : i12962648 LPATRON : 0 LCHKIN : - # RENEWALS : 0 # OVERDUE : 0 IUSE3 : 0 TOT CHKOUT : 0 TOT RENEW : 0 52202 52202 0 0 0 0 MAIN MAIN mnait 2026-08-18 0 AIT Thesis no. IR-93-01 30050003076485 2026-08-18 13:26:40 1 2026-08-18 20 0 0 0 0 MAIN MAIN mnait 2026-08-18 0 AIT Thesis no. IR-93-01 30020220000577 2026-08-18 13:26:40 2 2026-08-18 20 0 0 0 0 MAIN MAIN mnarc 2026-08-18 0 AIT Thesis no. IR-93-01 30050160071998 2026-08-18 13:26:40 1 2026-08-18 40