نتایج جستجو برای: aquifer media aquifer hydrogeologic characteristics

تعداد نتایج: 934191  

2017
Won Seok Jang Bernard Engel Larry Theller Nikhil Soni

Groundwater management and protection has been facilitated by computational modeling of aquifer vulnerability and monitoring aquifers using groundwater sampling. The DRASTIC (Depth to water, Recharge, Aquifer media, Soil media, Topography, Impact of vadose zone media, and hydraulic Conductivity) model, an overlay and index GIS model, has been used for groundwater quality assessment because it r...

2014
Carmine Fallico

To describe flow or transport phenomena in porous media, relations between aquifer hydraulic conductivity and effective porosity can prove useful, avoiding the need to perform expensive and time consuming measurements. The practical applications generally require the determination of this parameter at field scale, while most of the empirical and semiempirical formulas, based on grain size analy...

Journal: :محیط شناسی 0
مهرناز آصفی کارشناس ارشد عمران، مهندسی محیط زیست، دانشکدۀ مهندسی علوم آب، دانشگاه شهید چمران اهواز فریدون رادمنش استادیار گروه هیدرولوژی و منابع آب، دانشکدۀ مهندسی علوم آب، دانشگاه شهید چمران اهواز حیدر زارعی استادیار گروه هیدرولوژی و منابع آب، دانشکدۀ مهندسی علوم آب، دانشگاه شهید چمران اهواز

introduction because of expansion of agricultural activities and excessive use of chemical fertilizers and location of municipal and industrial wastewater of andimeshk, it is possible for this aquifer to be polluted. therefore, the aim of present study is to assess the aquifer vulnerability of andimeshk plain and recognition of sensitive areas against pollution which this work can be conducted ...

2015
G. Venkata Rao P. Kalpana R. Srinivasa Rao

Abstract—Adequate and reliable estimates of aquifer parameters are of utmost importance for proper management of vital groundwater resources. At present scenario, the ground water is polluted because of industrial waste disposed over the land and the contaminants are transported in the aquifer from one area to another area, which is depending on the characteristics of the aquifer and contaminan...

Journal: :Eos, Transactions American Geophysical Union 1998

2006
John A. Connor Farrukh Ahmad Richard L. Bowers

To support a Natural Resource Damage Assessment (NRDA) for groundwater resources impacted by oil or hazardous substances, careful technical evaluation is required to define the nature and volume of the affected groundwater zone and the associated impact on the potential services provided by the affected aquifer and other interconnected water resources. Relative to the baseline beneficial use fo...

2006
Edson Wendland Jorge Rabelo Jackson Roehrig

Introduction Guarani Aquifer System (SAG) is the formal denomination for a transboundary aquifer underlying four countries (Argentina, Brazil, Paraguay and Uruguay) in South America. Due to its strategic importance, a joint research project aiming for sustainable management and preservation of the aquifer was initiated by the four neighbour countries together. In this work, an overview of hydro...

2016
Mohammad Ali Baghapour Amir Fadaei Nobandegani Nasser Talebbeydokhti Somayeh Bagherzadeh Ata Allah Nadiri Maryam Gharekhani Nima Chitsazan

BACKGROUND Extensive human activities and unplanned land uses have put groundwater resources of Shiraz plain at a high risk of nitrate pollution, causing several environmental and human health issues. To address these issues, water resources managers utilize groundwater vulnerability assessment and determination of protection. This study aimed to prepare the vulnerability maps of Shiraz aquifer...

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