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Modeling the Effects of Groundwater Pumping on Watertable of a Faisalabad Water Supply Scheme

Thesis Info

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Author

Khaliq, Abdul

Program

PhD

Institute

University of Agriculture

City

Faisalabad

Province

Punjab

Country

Pakistan

Thesis Completing Year

2014

Thesis Completion Status

Completed

Subject

Applied Sciences

Language

English

Link

http://prr.hec.gov.pk/jspui/bitstream/123456789/2217/1/2768S.pdf

Added

2021-02-17 19:49:13

Modified

2024-03-24 20:25:49

ARI ID

1676726661028

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The Faisalabad city, resident of 2.6 million people, has brackish groundwater in its underlying aquifer. The water and sanitary agency (WASA) of Faisalabad Development Authority (FDA) installed a cluster of 29 tubewells in 1992, each of 114 lps capacity, at Chenab River bed well field aquifer, 30 km away from Faisalabad city in the North-West direction, to supply fresh groundwater for drinking. The continuous operation of all these tubewells resulted in lowering of groundwater level, from 5 m below the ground surface in 1992 to 22 m below the ground surface in 2010, in the study area and has started threatening sustainability of the system. Whereas WASA has installed 25 more tubewells for meeting drinking water demand. This study was undertaken to ascertain the effects of such large abstraction of groundwater on the aquifer while keeping in view the future scenarios. Prior to using a computer simulation model as a management tool, it requires its proper calibration and validation. A groundwater transient model was developed using MODFLOW to study the effect of groundwater pumping on the Chenab River bed well field area. The model was calibrated using water table data from 1992 to 2005 and was validated against independent data set of 2006 to 2010. The model simulation was reasonably acceptable based on model evaluation indicators such as residual mean, root mean square error, sum of squares, coefficient of correlation and coefficient of efficiency, which were within acceptable limits. Sensitivity of the model shows that the model was more sensitive to the hydraulic conductivity. The model simulations showed that major recharge was from the Jhang Branch canal in the range of 6,511 to 8,038 m3 day km-1. The recharge contribution varied from year to year as a function of rainfall and flows in the Chenab River. Moreover, the groundwater head contour showed steep gradient in southern part of the well field. This steep gradient indicates that a steady state condition has reached and the rate of declination will be less as compare to the earlier years. The calibrated model was used to simulate the effects of existing capacity of pumping continued to 2030 and 90% of the capacity, which showed a water table declined rate of 0.6 m year-1 to 1.3 m year-1, respectively. A groundwater recharge option was also simulated by considering a constant head boundary condition of 10 km length along the left side of Chenab River, which results a decline rate of 0.45 m year-1 till 2030. The model simulation showed that sustainability of the system can be achieved only if adequate recharge sites are established to control the falling water table.
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مولانا محمد عثمان

مولانا محمد عثمان
افسوس ہے چند ماہ ہوئے مولانا محمد عثمان صاحب کا بھی اپنے وطن مالیگاؤں میں انتقال ہوگیا۔مولانا دارالعلوم دیوبند کے فارغ التحصیل تھے، استعداد پختہ تھی۔ یوں تو ان کومناسبت اوردلچسپی کم وبیش ہرفن سے تھی تاہم تفسیر اور حدیث ان کا خاص فن تھے۔ ایک عرصہ تک مالیگاؤں کے مختلف مدارس میں استاد رہے لیکن ان کی زندگی کاسب سے بڑااوراہم کارنامہ جوان کے لیے بقائے دوام کا ضامن ہے، مسلمان لڑکیوں کے لیے درس نظامی کاوہ عظیم الشان مدرسہ ہے جومالیگاؤں میں جامعۃ الصالحات کے نام سے معروف ومشہور ہے، اب تو لڑکیوں کے لیے بڑے بڑے عربی مدارس ادھراُدھر اوربھی کئی ایک ہوگئے اور ہوتے جارہے ہیں لیکن صوری اورمعنوی دونوں اعتبار سے جامعۃ الصالحات کو یک گونہ شرف فضیلت و تقدم حاصل ہے اوریہ سب کچھ نتیجہ ہے مولانا مرحوم کے اخلاص ومحبت،محنت ومشقت اور ذوق تعمیر وحسن انتظام کا۔
راقم نے کئی مرتبہ جامعہ کی دورۂ حدیث کی طالبات کاامتحان لیاہے اور ہرمرتبہ طالبات کے صحیح اور برمحل جوابات سے دل نے مسرت محسوس کی ہے۔ ان کو جامعۃ الصالحات سے عشق تھا، شب وروز اس کے کاموں میں مصروف رہتے تھے۔ اﷲ تعالیٰ ان کوعلماوصلحا کا مقام جلیل عطافرمائے اورجامعۃ الصالحات کوکسی قسم کے شر اورضررسے محفوظ رکھے۔ [جولائی۱۹۸۴ء]

 

الأعمال السياسية والإصلاحية للشيخ ولي أحمد في إقليم سوات خيبر پختونخوا

Sheikh Walī Ahmad nick named as Sandâkī Baba was a famous political leader, reformer, sūfī saint and literary personality of Swat (KPK), Pakistan. In the subcontinent, he also contributed in freedom movement against the English imperialism like other literary and political workers. Especially he was the founder of Swat State. In this article political, scholarly and reform services of Sheikh Sandâkī has been highlighted.

A Comparative Analysis of the Effectiveness of Mathematics Curriculum Taught at Gec O-Level and Ssc System of Schools in Karachi

The focus of this study was on the comparison of mathematics curricula of General Certificate of Education (GCE) Ordinary Level (O-Level) and Secondary School Certificate (SSC). The purpose of this comparison was to trace out the factors responsible for the shortcomings in instructional objectives, contents, approaches, methods of teaching and pattern of assessment in the local (SSC) system of education. The study was specifically focused on: (1) to compare and analyze the aims and objectives of teaching mathematics at SSC and GCE (O- Level); (2) to compare the contents of textbooks and question papers of SSC and GCE mathematics courses; (3) to critically compare the effectiveness of approaches and teaching methods applied in both systems; (4) to compare and analyze the assessment patterns in both systems.The population of the study was comprised of teachers, students, prescribed text books of mathematics taught at SSC and GCE (O- Level) and question papers of the examination boards of both systems. The overall size of the sample was of 300 teachers, 200 students and 20 subject experts. The sample included 180 teachers, 120 students and 10 subject experts from the SSC system whereas 120 teachers, 80 students and 10 subject experts from GCE system. An interview protocol and questionnaires were designed and administered. A content analysis was made to compare the contents of textbooks and question papers of the last 20 years (1994-2013) of Board of Secondary Education Karachi (BSEK) and Cambridge International Examinations (CIE). The quantitative data were analyzed using t-test. It was concluded that the implementation of mathematics curriculum is relatively more effectivein GCE (O-Level) than in SSC curriculum although no significant difference has been found in the methods of teaching in both systems. The key factors traced out as major contributors in this difference of effectiveness were: GCE teachers were found clear and well-informed about the expected aims and objectives of their curriculum while SSC teachers were not clear because they did not have access to the expected aims and objectives of their curriculum; GCE textbooks were found aligned withthe expected aims and objectives of its curriculum while contents in SSC textbooks were not found in support of some very important expected outcomes of curriculum such as logical thinking and systematic reasoning; the approach of GCE teachers regarding organization of the contents for teaching was found to some extent concentric (spiral) while SSC teachers were found adopting a topical approach; the focus of GCE system was found on depth in knowledge through rigorous practice while the focus of SSC system was found on memorization of factual and procedural knowledge through practice; GCE system was found using formative assessment (assessment for learning) more systematically than SSC system where focus was on summative assessment (assessment of learning), during internal school assessments; GCE system was more focused on application of knowledge versus dispensation of knowledge however SSC system was focused more on constant dispensation of knowledge than its application. The foundation of difference between the two systems was found in their methods of assessment. The question papers of GCE mathematics were based on the overall expectations of the curriculum whereas SSC papers coveredthe expectation of factual and procedural knowledge only. GCE papers consisted of application based questions with no question exactly the same as the ones in the textbooks whereas SSC papers were comprised of exactly same as the textbook questions; GCE papers have been found with no sectioning on the basis of topics whereas SSC papers were sectioned on the basis of different topics;no pattern of repetition has been found in GCE papers whereas in SSC papers, a clear pattern of repetition was found; it was found thatwhole syllabus is required to be done inorder to attempt the GCE paper completely,whereas the SSC paper could be completed even after skipping many topics from the syllabus. No discontinuation of mathematics has been found at school level in GCE system whereas in SSC system,a suspension of mathematics teaching for one complete year (during grade IX) has been observed. In the light of these conclusions, concrete recommendations were made.