Groundwater Hydrology: Conceptual and Computational ModelsJohn Wiley & Sons, 6. velj 2004. - Broj stranica: 430 Groundwater is a vital source of water throughout the world. As the number of groundwater investigations increase, it is important to understand how to develop comprehensive quantified conceptual models and appreciate the basis of analytical solutions or numerical methods of modelling groundwater flow. Groundwater Hydrology: Conceptual and Computational Models describes advances in both conceptual and numerical modelling. It gives insights into the interpretation of field information, the development of conceptual models, the use of computational models based on analytical and numerical techniques, the assessment of the adequacy of models, and the use of computational models for predictive purposes. It focuses on the study of groundwater flow problems and a thorough analysis of real practical field case studies. It is divided into three parts: * Part I deals with the basic principles, including a summary of mathematical descriptions of groundwater flow, recharge estimation using soil moisture balance techniques, and extensive studies of groundwater-surface water interactions. * Part II focuses on the concepts and methods of analysis for radial flow to boreholes including topics such as large diameter wells, multi-layered aquifer systems, aquitard storage and the prediction of long-term yield. * Part III examines regional groundwater flow including situations when vertical flows are important or transmissivities change with saturated depth. Suitable for practising engineers, hydrogeologists, researchers in groundwater and irrigation, mathematical modellers, groundwater scientists, and water resource specialists. Appropriate for upper level undergraduates and MSc students in Departments of Civil Engineering, Environmental Engineering, Earth Science and Physical Geography. It would also be useful for hydrologists, civil engineers, physical geographers, agricultural engineers, consultancy firms involved in water resource projects, and overseas development workers. |
Sadržaj
7 | |
Part II Radial Flow | 145 |
Part III Regional Groundwater Flow | 269 |
Appendix Computer Program for Twozone Model | 389 |
List of Symbols | 397 |
399 | |
408 | |
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Uobičajeni izrazi i fraze
analysis aquifer system aquitard Barind boulder clay boundary calculated canal catchment cent chalk aquifer components conceptual models confined aquifer crop diagram discharge drain drainage drawdown drift equation evaporation evapotranspiration example finite difference flow processes gradient groundwater flow groundwater head groundwater model horizontal hydraulic head included increase indicated inflow irrigation Kenyon Junction large diameter layer leaky aquifer limestone aquifer locations losses low permeability lower main aquifer Mehsana Ml/d MODFLOW Mudstone node numerical model observation borehole occur overlying parameter values permeability piezometers plotted pumped borehole pumped drawdown pumping rate pumping test radial flow radius rainfall represented river coefficient river flows runoff Rushton saline water sandstone aquifer saturated depth saturated thickness Section seepage face simulation soil moisture balance soil moisture deficit specific storage specific yield storage coefficient study area surface time-variant tion transmissivity tubewells unconfined velocity vertical flow vertical hydraulic conductivity water table elevation zone
Popularni odlomci
Stranica 400 - Groundwater hydrology of the Punjab, West Pakistan with emphasis on problems caused by canal irrigation (L'hydrologie de l'eau souterraine du Punjab, Pakistan ouest, spécialement du point de vue des problèmes dus aux canaux d'irrigation).
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