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Author: Rebecca Jean Olien
Publisher: Capstone
ISBN: 1496633334
Category : Juvenile Nonfiction
Languages : en
Pages : 28
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Book Description
How much water is on Earth? This title introduces readers to the different places on Earth water is found. Readers will learn the differences between rivers, oceans, lakes, groundwater, and other bodies of water. Water on Earth in the form of ice is also covered. An activity to help readers understand the concept is included.
Author: Rebecca Jean Olien
Publisher: Capstone
ISBN: 1496633334
Category : Juvenile Nonfiction
Languages : en
Pages : 28
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Book Description
How much water is on Earth? This title introduces readers to the different places on Earth water is found. Readers will learn the differences between rivers, oceans, lakes, groundwater, and other bodies of water. Water on Earth in the form of ice is also covered. An activity to help readers understand the concept is included.
Author: Paul Koch
Publisher: American Water Works Association
ISBN: 1613001134
Category : Water quality
Languages : en
Pages : 205
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Book Description
Author: Nancy Carlson
Publisher:
ISBN: 9781926781105
Category : Fresh water
Languages : en
Pages :
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Book Description
Author: Rebecca Olien
Publisher: Capstone
ISBN: 9780736851800
Category : Juvenile Nonfiction
Languages : en
Pages : 30
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Book Description
"A description of the earth's water sources, salt water, and freshwater"--T.p. verso.
Author: Ellen Wiegandt
Publisher: Springer Science & Business Media
ISBN: 1402067488
Category : Science
Languages : en
Pages : 381
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Book Description
This book addresses the major challenges in assuring globally sustainable water use. It examines critical contemporary and global issues through the lens of global change processes and with a focus on mountain regions. In doing so, it aims to bring state-of-the-art science from numerous disciplines to bear on important environmental and policy questions related to water resources. The volume will be a boon to a range of readers, from environmental scientists to hydrologists.
Author: National Research Council
Publisher: National Academies Press
ISBN: 0309051428
Category : Nature
Languages : en
Pages : 300
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Book Description
As demand for water increases, water managers and planners will need to look widely for ways to improve water management and augment water supplies. This book concludes that artificial recharge can be one option in an integrated strategy to optimize total water resource management and that in some cases impaired-quality water can be used effectively as a source for artificial recharge of ground water aquifers. Source water quality characteristics, pretreatment and recharge technologies, transformations during transport through the soil and aquifer, public health issues, economic feasibility, and legal and institutional considerations are addressed. The book evaluates three main types of impaired quality water sourcesâ€"treated municipal wastewater, stormwater runoff, and irrigation return flowâ€"and describes which is the most consistent in terms of quality and quantity. Also included are descriptions of seven recharge projects.
Author: Institute of Medicine
Publisher: National Academies Press
ISBN: 0309165520
Category : Nature
Languages : en
Pages : 126
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Book Description
The Institute of Medicine's Roundtable on Environmental Health Sciences, Research, and Medicine was established in 1988 as a mechanism for bringing the various stakeholders together to discuss environmental health issues in a neutral setting. The members of the Roundtable on Environmental Health Sciences, Research, and Medicine come from academia, industry, and government. Their perspectives range widely and represent the diverse viewpoints of researchers, federal officials, and consumers. They meet, discuss environmental health issues that are of mutual interest, and bring others together to discuss these issues as well. For example, they regularly convene workshops to help facilitate discussion of a particular topic. The Rountable's fifth national workshop entitled From Source Water to Drinking Water: Ongoing and Emerging Challenges for Public Health continued the theme established by previous Roundtable workshops, looking at rebuilding the unity of health and the environment. This workshop summary captures the discussions and presentations by the speakers and participants, who identified the areas in which additional research was needed, the processes by which changes could occur, and the gaps in our knowledge.
Author: Gordon A. McFeters
Publisher: Springer Science & Business Media
ISBN: 1461244641
Category : Technology & Engineering
Languages : en
Pages : 508
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Book Description
The microbiology of drinking water remains an important worldwide concern despite modem progress in science and engineering. Countries that are more technologically advanced have experienced a significant reduction in water borne morbidity within the last 100 years: This reduction has been achieved through the application of effective technologies for the treatment, disinfec tion, and distribution of potable water. However, morbidity resulting from the ingestion of contaminated water persists globally, and the available ep idemiological evidence (Waterborne Diseases in the United States, G. F. Craun, ed. , 1986, CRC Press) demonstrates a dramatic increase in the number of waterborne outbreaks and individual cases within the United States since the mid-1960s. In addition, it should also be noted that the incidence of water borne outbreaks of unknown etiology and those caused by "new" pathogens, such as Campylobaeter sp. , is also increasing in the United States. Although it might be debated whether these increases are real or an artifact resulting from more efficient reporting, it is clear that waterborne morbidity cannot be ignored in the industrialized world. More significantly, it represents one of the most important causes of illness within developing countries. Approxi mately one-half the world's population experiences diseases that are the direct consequence of drinking polluted water. Such illnesses are the primary cause of infant mortality in many Third World countries.
Author: National Research Council
Publisher: National Academies Press
ISBN: 0309172209
Category : Nature
Languages : en
Pages : 161
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Book Description
The safety of the nation's drinking water must be maintained to ensure the health of the public. The U.S. Environmental Protection Agency (EPA) is responsible for regulating the levels of substances in the drinking water supply. Copper can leach into drinking water from the pipes in the distribution system, and the allowable levels are regulated by the EPA. The regulation of copper, however, is complicated by the fact that it is both necessary to the normal functioning of the body and toxic to the body at too high a level. The National Research Council was requested to form a committee to review the scientific validity of the EPA's maximum contaminant level goal for copper in drinking water. Copper in Drinking Water outlines the findings of the committee's review. The book provides a review of the toxicity of copper as well as a discussion of the essential nature of this metal. The risks posed by both short-term and long-term exposure to copper are characterized, and the implications for public health are discussed. This book is a valuable reference for individuals involved in the regulation of water supplies and individuals interested in issues surrounding this metal.
Author: Tsair-Fuh Lin
Publisher: IWA Publishing
ISBN: 1780406657
Category : Science
Languages : en
Pages : 322
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Book Description
This book provides an updated evaluation of the characterization and management of taste and odour (T&O) in source and drinking waters. Authored by international experts from the IWA Specialist Group on Off-flavours in the Aquatic Environment, the book represents an important resource that synthesizes current knowledge on the origins, mitigation, and management of aquatic T&O problems. The material provides new knowledge for an increasing widespread degradation of source waters and global demand for high quality potable water. Key topics include early warning, detection and source-tracking, chemical, sensory and molecular diagnosis, treatment options for common odorants and minerals, source management, modelling and risk assessment, and future research directions. Taste and Odour in Source and Drinking Water is directed towards a wide readership of scientists, engineers, technical operators and managers, and presents both practical and theoretical material, including an updated version of the benchmark Drinking Water Taste and Odour Wheel and a new biological wheel to provide a practical and informative tool for the initial diagnosis of the chemical and biological sources of aquatic T&O.
