Xem 1-20 trên 359 kết quả Water resource
  • Hydrology is the science that deals with the processes governing the depletion and replenishment of water resources of the earth's land areas. The purpose of this book is to put together recent developments on hydrology and water resources engineering. First section covers surface water modeling and second section deals with groundwater modeling. The aim of this book is to focus attention on the management of surface water and groundwater resources.

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  • Water-resource managers have long strived to meet their goals of system reliability and environmental protection in the face of many uncertainties, including demographic and economic forecasts, intrinsic weather variability, and short-term climate change induced by El Ni

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  • Vietnam-Netherlands Mekong Delta Masterplan project: Me Kong delta water resources assessment studies has many contents: description of the mekong delta of Viet Nam, hydrology and surface water resources, water quality, hydrogelogy and groundwater recources, water demand and water balance, issues to be solved.

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  • As a wetland of international importance located in China, the Poyang Lake Basin's incredible topographical and biological diversity has provided a congregating point for scientists from around the world to engage in cross-disciplinary research. In particular, the International Conference on Poyang Lake Complex Environment System was instrumental in bringing together scholars from China, North America, and Europe to explore the latest innovations in water resource science and watershed management.

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  • Drought Management and Planning for Water Resources Copyright 2006 by Taylor & Francis Group, LLC .Drought Management and Planning for Water Resources Edited by Joaquín Andreu Giuseppe Rossi Federico Vagliasindi Alicia Vela Boca Raton London New York A CRC title, part of the Taylor & Francis imprint, a member of the Taylor & Francis Group, the academic division of T&F Informa plc. Copyright 2006 by Taylor & Francis Group, LLC .

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  • Water is finite on earth. There is a fixed amount of water which neither decreases or increases. Fresh water is a renewable resource because of the water cycle. From a human perspective the source of freshwater is rainfall. Most of this rainfall is used directly for vegetative growth, such as natural vegetation, pasture, rain-fed maize etc. This process, known as transpiration, is highly productive and produces in Southern Africa the bulk of food crops.

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  • Limitations on the availabilityof water resourcesareamong the greatest challenges facing modern society, despite the fact that roughly 70% of the earth’s surface is covered by water. Human society depends on liquid freshwater resources to meet drinking, sanitation and hy‐ giene, agriculture, and industry needs.Roughly 97% of the earth’s surface and shallow sub‐ surface water is saline and about 2% is frozen in glaciers and polar ice.

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  • Environmental Water - Advances in Treatment, Remediation and Recycling has many contents: the environment, water resources, environmental pollutants, types of pollutants, methods of water treatment.

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  • China faces a major challenge in managing its scarce water resources to sustain economic growth in the years ahead. This report provides an overview of China’s water scarcity situation, assesses the policy and institutional requirements for addressing it, and recommends key areas for strengthening and reform. The issues covered

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  • (Đánh giá chất lượng nước và các giải pháp tích hợp cho quản lý tài nguyên nước bền vững trên địa bàn tỉnh Sóc Trăng) This work aims to assess water resources for domestic and irrigation purposes in coastal areas of Soc Trang province- one of the most vulnerable regions in the Mekong Delta to climate change and sea level rise, especially along the coastal areas where is severely affecting by seawater intrusion.

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  • The objective of this paper is the appraisal of the hydrological, hydrogeological, as well as the chemical and microbiological conditions of the surface water and ground water resources of the two study sites. In order to allocate the two study sites into a regional context an intense research on the conditions of the surrounding area was also matter of the survey

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  • The detection of pharmaceutical residues remained elusive until instruments such as liquid chromatography and mass spectrometry became commonplace in environmental laboratories. The documentation of the occurrence of pharmaceutical residues and endocrine disrupting chemicals in water resources has raused questions about their long-term effects in the ecosystem and their potential effects on human health.

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  • Research over the past decade has demonstrated the feasibility of extracting topographic information of hydrological interest directly from digital elevation models (DEM). Techniques are available for extracting slope properties, catchment areas, drainage divides, channel networks and other data (Jenson and Domingue, 1988; Mark, 1988; Moore et al., 1991; Martz and Garbrecht, 1992). These techniques are faster and provide more precise and reproducible measurements than traditional manual techniques applied to topographic maps (Tribe, 1991)....

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  • “Just do an Internet search.” “It’s on the Internet.” How often have we said or been told that we could find it on the Internet. This third edition of The Water Encyclopedia: Hydrologic Data and Internet Resources started from a premise that most of the information provided within this publication could be found on the Internet. As our team of contributing authors started reviewing each section within each chapter, it soon became apparent that you cannot always find it on the internet.

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  • "Makeup" water is added to replace. what is lost by ... quantities of makeup water flowing to the ... the switch to ozone treatment, the makeup ...

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  • Australia is founding its future on science and innovation. Its national science agency, CSIRO, is a powerhouse of ideas, technologies and skills. CSIRO initiated the National Research Flagships to address Australia’s major research challenges and opportunities. They apply large scale, long term, multidisciplinary science and aim for widespread adoption of solutions. The Flagship Collaboration Fund supports the best and brightest researchers to address these complex challenges through partnerships between CSIRO, universities, research agencies and industry....

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  • Economic development, population growth, and environmental pollution evolving in many parts of the world are placing great demands on existing resources of fresh water and reflecting a "water crisis". Resource management, efficient utilization of the water resources, and above all water purification are all alternatives to resolve the water crisis. Purification approaches include traditional approaches that have lasted for several centuries without major modifications as well as new innovative approaches....

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  • In response to increasing concerns about degradation of natural resources and the sustainability of agricultural production potentials in many poor regions of the world, many national and international organisations have initiated research and development programmes for natural resource management (NRM).

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  • 12 Predictive Modeling of Lake Nitrogen, Phosphorus, and Sediment Concentrations Based on Land Use/Land Cover Type and Pattern Pariwate Varnakovida, Narumon Wiangwang, Joseph P. Messina, and Jiaguo Qi 12.1 INTRODUCTION In watershed management and planning, one of the major problems in lakes is the need to reduce nonpoint source pollution.1 Specific land use and land cover (LULC) types, such as “cropland” and “urban”, are associated with human activities and their physical characteristics often affect water quality.2 Land use practices and water resources are unequivocally linked.

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  • The editors of this book would Uke to thank the company CESPA Ingenieria Urbana and the Institute of the Environment of the University of Girona for their financial support of the congress (7*^ Conference of the International Water and Resource Economics Consortium and 4^^ Seminar on Environmental and Resource Economics) that gave rise to a large number of papers collected in this book. We would also like to extend our thanks to Angels Xabadia who unified the layout of the different chapters in a timely and excellent manner.

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