Saline Groundwater Surface Water Interaction In Coastal Lowlands
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Saline Groundwater Surface Water Interaction in Coastal Lowlands
Author | : J.R. Delsman |
Publsiher | : IOS Press |
Total Pages | : 196 |
Release | : 2015-05-07 |
Genre | : Science |
ISBN | : 9781614995180 |
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Coastal zones are among the world's most densely populated and economically important areas, but these factors put pressure on the often limited available freshwater resources. Global change will undoubtedly increase this pressure through the combined effects of increased population, economic development, rising sea levels, increased evapotranspiration, over-extraction and the salinization of coastal aquifers, decreasing river discharges, and accelerating land subsidence. Saline groundwater exfiltration is a common problem in the coastal zone of the Netherlands, but the hydrological processes and physiographic factors that affect this are not fully understood. The research presented in this book aims to identify the processes and physiographic factors controlling the spatial variability and temporal dynamics of the exfiltration of saline groundwater to surface water, and hence the contribution of saline groundwater to surface water salinity. Topics covered include a paleo-hydrogeological model simulation of the Holocene evolution of groundwater salinity as a result of paleo-geographic changes; surface water salinity dynamics in a densely-drained lowland catchment; hydrograph separation in an agricultural catchment; observations of heads, flow, solute concentration and temperature to constrain a detailed, variable-density groundwater flow and transport model; and a model to simulate the salinity dynamics of exfiltrating groundwater to support operational water management of freshwater resources in coastal lowlands. The book further outlines the implications of these findings for freshwater management in the Netherlands. The book demonstrates that the salinity of groundwater exfiltrating in polders in the Netherlands, and hence surface water salinity, varies on a wide range of spatial and temporal scales.
Ground Water in Freshwater saltwater Environments of the Atlantic Coast
Author | : Paul M. Barlow |
Publsiher | : Unknown |
Total Pages | : 128 |
Release | : 2003 |
Genre | : Groundwater flow |
ISBN | : MINN:31951D02062291S |
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Future of Sustainable Agriculture in Saline Environments
Author | : Katarzyna Negacz,Pier Vellinga,Edward Barrett-Lennard,Redouane Choukr-Allah,Theo Elzenga |
Publsiher | : CRC Press |
Total Pages | : 541 |
Release | : 2021-06-24 |
Genre | : Science |
ISBN | : 9781000401141 |
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Food production on present and future saline soils deserves the world’s attention particularly because food security is a pressing issue, millions of hectares of degraded soils are available worldwide, freshwater is becoming increasingly scarce, and the global sea-level rise threatens food production in fertile coastal lowlands. Future of Sustainable Agriculture in Saline Environments aims to showcase the global potential of saline agriculture. The book covers the essential topics, such as policy and awareness, soil management, future crops, and genetic developments, all supplemented by case studies that show how this knowledge has been applied. It offers an overview of current research themes and practical cases focused on enhancing food production on saline lands. FEATURES Describes the critical role of the revitalization of salt-degraded lands in achieving sustainability in agriculture on a global scale Discusses practical solutions toward using drylands and delta areas threatened by salinity for sustainable food production Presents strategies for adaptation to climate change and sea-level rise through food production under saline conditions Addresses the diverse aspects of crop salt tolerance and microbiological associations Highlights the complex problem of salinity and waterlogging and safer management of poor-quality water, supplemented by case studies A PDF version of this book is available for free in Open Access at www.taylorfrancis.com. It has been made available under a Creative Commons Attribution-Non Commercial-No Derivatives 4.0 license.
Coastal Hydrogeology
Author | : Jimmy Jiao,Vincent Post |
Publsiher | : Cambridge University Press |
Total Pages | : 421 |
Release | : 2019-05-09 |
Genre | : Business & Economics |
ISBN | : 9781107030596 |
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Offers a comprehensive volume discussing groundwater problems in coastal areas, spanning fundamental science to practical water management.
Seawater Intrusion in Coastal Aquifers
Author | : Jacob Bear,A. Cheng,S. Sorek,D. Ouazar,I. Herrera |
Publsiher | : Springer Science & Business Media |
Total Pages | : 627 |
Release | : 2013-03-09 |
Genre | : Science |
ISBN | : 9789401729697 |
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Coastal aquifers serve as major sources for freshwater supply in many countries around the world, especially in arid and semi-arid zones. Many coastal areas are also heavily urbanized, a fact that makes the need for freshwater even more acute. Coastal aquifers are highly sensitive to disturbances. Inappropriate management of a coastal aquifer may lead to its destruction as a source for freshwater much earlier than other aquifers which are not connected to the sea. The reason is the threat of seawater intrusion. In many coastal aquifers, intrusion of seawater has become one of the major constraints imposed on groundwater utilization. As sea water intrusion progresses, existing pumping wells, especially those close to the coast, become saline and have to be abandoned. Also, the area above the intruding seawater wedge is lost as a source of natural replenishment to the aquifer. Despite the importance of this subject, so far there does not exist a book that integrates our present knowledge of seawater intrusion, its occurrences, physical mechanism, chemistry, exploration by geo physical and geochemical techniques, conceptual and mathematical modeling, analytical and numerical solution methods, engineering measures of combating seawater intrusion, management strategies, and experience learned from case studies. By presenting this fairly comprehensive volume on the state-of-the-art of knowledge and ex perience on saltwater intrusion, we hoped to transfer this body of knowledge to the geologists, hydrologists, hydraulic engineers, water resources planners, managers, and governmental policy makers, who are engaged in the sustainable development of coastal fresh ground water resources.
Ground Water in Freshwater saltwater Environments of the Atlantic Coast
Author | : Paul M. Barlow |
Publsiher | : Unknown |
Total Pages | : 0 |
Release | : 2003 |
Genre | : Government publications |
ISBN | : 9790607951942 |
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Seawater Intrusion in Coastal Aquifers
Author | : Anonim |
Publsiher | : Food & Agriculture Org. |
Total Pages | : 168 |
Release | : 1997 |
Genre | : Nature |
ISBN | : 9251039860 |
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Groundwater of South Asia
Author | : Abhijit Mukherjee |
Publsiher | : Springer |
Total Pages | : 799 |
Release | : 2018-06-01 |
Genre | : Science |
ISBN | : 9789811038891 |
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This book presents recent findings from the South Asian region (SA), broadly including groundwater studies on (a) quantity, (b) exploration, (c) quality and pollution, (d) economics, management and policies, (e) groundwater and society, and (f) sustainable sources. It offers a compilation of compelling, authentic insights into groundwater scenarios throughout the water-stressed South Asia region. Comprising Afghanistan, Bangladesh, Bhutan, India, Myanmar, Nepal, Pakistan, and Sri Lanka, it is the most densely populated region in the world: It occupies approximately 4% of the global land area but supports more than 25% of the global population. The SA region now faces an acute shortage of fresh water due to a rapid rise in water demand and changes in societal water-use patterns. Combining essential advances and perspectives, this book offers a valuable resource for all scientists, planners and policymakers who are interested in understanding and developing the SA and other related areas.