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Author : A. T. Rutledge,John O. Helgesen
Publisher : Unknown
Page : 24 pages
File Size : 55,9 Mb
Release : 1991
Category : Groundwater
ISBN : UCR:31210008708297
Author : Anonim
Publisher : Unknown
Page : 560 pages
File Size : 47,5 Mb
Release : 2000
Category : Hydrology
ISBN : MINN:31951P00854710E
Author : David J. Holtschlag,Carol L. Luukkonen
Publisher : Unknown
Page : 58 pages
File Size : 40,8 Mb
Release : 1997
Category : Atrazine
ISBN : UCR:31210011090691
Author : Anonim
Publisher : Unknown
Page : 1274 pages
File Size : 52,8 Mb
Release : 1991
Category : Government publications
ISBN : UIUC:30112063914425
Author : Anonim
Publisher : Unknown
Page : 856 pages
File Size : 50,6 Mb
Release : 2024-07-02
Category : Government publications
ISBN : WISC:89117117440
Author : Geological Survey (U.S.)
Publisher : Unknown
Page : 746 pages
File Size : 52,6 Mb
Release : 1991
Category : Geology
ISBN : UOM:39015023891792
Author : Paul Van der Heijde
Publisher : Unknown
Page : 148 pages
File Size : 41,9 Mb
Release : 1994
Category : Groundwater flow
ISBN : IND:30000105123339
Author : Louise Reynnells
Publisher : Unknown
Page : 70 pages
File Size : 52,6 Mb
Release : 1993
Category : Hazardous substances
ISBN : MINN:31951D010328605
Author : Anonim
Publisher : Unknown
Page : 502 pages
File Size : 42,9 Mb
Release : 1976
Category : Agriculture
ISBN : WISC:89048608467
Author : Prabhu L. Pingali,Pierre A. Roger
Publisher : Int. Rice Res. Inst.
Page : 678 pages
File Size : 46,7 Mb
Release : 1995-09-30
Category : Business & Economics
ISBN : 9780792395218
The book covers the various aspects of the use of pesticides, their behavior, degradation, and impacts in wetland ricefields, and presents the results of surveys conducted in the Philippines and Thailand. It includes both bibliographic reviews and selected aspects of the experimental results of a research project on pesticide impacts in wetland ricefields. The first phase of the `Pesticide Impact' project was developed in the Philippines from 1989 to 1991. It was a multidisciplinary/collaborative approach involving scientists from IRRI, NRI (England), ORSTOM (France), UPLB (Philippines) who studied the effects of pesticides on the environment and on farmers' health, and the economical aspects of their use.
Author : L. Gray Wilson,Lorne G. Everett,Stephen J. Cullen
Publisher : Routledge
Page : 641 pages
File Size : 50,5 Mb
Release : 2018-05-02
Category : Technology & Engineering
ISBN : 9781351441940
This book is written in a simple, straightforward manner without complicated mathematical derivatives. Compiled by experienced practitioners, this guide covers topics such as basic principles of vadose zone hydrology and prevalent monitoring techniques. Case studies present actual field experiences for the benefit of the reader. The Handbook provides practitioners with the information they need to fully understand the principles, advantages, and limitations of the monitoring techniques that are available. The Handbook of Vadose Zone Characterization & Monitoring expands and consolidates the useful and succint information contained in various ASTM documents, EPA manuals, and other similar texts on the subject, making it an invaluable aid to new practioners and a useful reference for seasoned veterans in the field.
Author : Anonim
Publisher : Unknown
Page : 130 pages
File Size : 44,7 Mb
Release : 1992
Category : Geology
ISBN : MINN:31951T00154992N
Author : Anonim
Publisher : Unknown
Page : 962 pages
File Size : 45,9 Mb
Release : 1991
Category : Hydrology
ISBN : UOM:39015015408084
Author : Constantin Moraru,Robyn Hannigan
Publisher : Springer
Page : 171 pages
File Size : 40,6 Mb
Release : 2017-12-01
Category : Science
ISBN : 9783319709604
This monograph instructs the reader on how to analyze the hydrogeochemical vulnerability. It introduces notions of geochemical signals, points of migration of pollutants in the unsaturated zone, and new hydrogeochemical classifications. Three test sites in the USA, Germany, and Moldova are described as case studies accompanied by illustrative data. The authors presuppose for future readers only the background mathematics and elementary knowledge of hydrogeology. The presented methodology is both for local and regional assessments. It is simple, does not need implication of high qualification specialists and can be applied to test the groundwater quality. The book is useful for undergraduate, graduate, master, and PhD students as well as water quality specialists, ecologists and geology professionals.
Author : C. P. Kumar
Publisher : C. P. Kumar
Page : 331 pages
File Size : 47,8 Mb
Release : 2023-03-30
Category : Science
ISBN : 8210379456XXX
Groundwater development has shown phenomenal progress in our country during past few decades. There has been a vast improvement in the perception, outlook and significance of groundwater resource. Groundwater is a dynamic system. It is dynamic in the sense that the state of any hydrological system is changing with time, and in the sense that we are continually developing new scientific techniques to evaluate these systems. The total annual replenishable groundwater resource of India is around 431 BCM. Inspite of the national scenario on the availability of groundwater being favourable, there are many areas in the country facing scarcity of water. This is because of the unplanned groundwater development resulting in fall of water levels, failure of wells, and salinity ingress in coastal areas. The development and over-exploitation of groundwater resources in certain parts of the country have raised the concern and need for judicious and scientific resource management and conservation. A complexity of factors - hydrogeological, hydrological and climatological, control the groundwater occurrence and movement. The precise assessment of recharge and discharge is rather difficult, as no techniques are currently available for their direct measurements. Hence, the methods employed for groundwater resource estimation are all indirect. Groundwater being a dynamic and replenishable resource is generally estimated based on the component of annual recharge, which could be subjected to development by means of suitable groundwater structures. Mathematical models are tools, which are frequently used in studying groundwater systems. In general, mathematical models are used to simulate (or to predict) the groundwater flow. Predictive simulations must be viewed as estimates, dependent upon the quality and uncertainty of the input data. Model conceptualization is the process in which data describing field conditions are assembled in a systematic way to describe groundwater flow processes at a site. The model conceptualization aids in determining the modelling approach and which model software to use. Taking the base from my lecture notes delivered in various training courses during last 26 years and further editing and additions, I have developed this book titled “Groundwater Assessment and Modelling”. The book is intended to provide a comprehensive treatise related to assessment and modelling of groundwater. It includes chapters on assessment of groundwater potential, groundwater data requirement and analysis, basic concepts and guidelines for groundwater modelling, groundwater modelling software, modelling of unsaturated flow, modelling of sea water intrusion, and impact of climate change on groundwater resources. I hope this book will be quite useful for undergraduate and postgraduate students (water resources engineering), field engineers and researchers working in the area of assessment, development and management of groundwater resources.