Land-use Effects on Water Quality in Mid-Atlantic Coastal Waters and Estuaries PDF Download
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Author: Merrill Leffler
Publisher:
ISBN:
Category : Land use
Languages : en
Pages : 40
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Book Description
Author: Merrill Leffler
Publisher:
ISBN:
Category : Land use
Languages : en
Pages : 40
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Book Description
Author: Gulnihal Ozbay
Publisher:
ISBN:
Category : Science
Languages : en
Pages :
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Book Description
Mid-Atlantic coastal waters are under increasing pressures from anthropogenic disturbances at various temporal and spatial scales exacerbated by the climate change. According to the National Oceanic Atmospheric Association (NOAA), 10 of the 22 estuaries in the Mid-Atlantic, including the Chesapeake Bay, exhibit high levels of eutrophic conditions while seven, including Delaware Bay, exhibit low conditions. Chesapeake Bay is the largest estuarine system in the United States and undergoes frequent eutrophication and low dissolved oxygen events. Although substantially lower in nutrients compared to other Mid-Atlantic Estuaries, the biological, chemical, and ecological status of the Delaware Bay has changed in the past few decades due to high coastal tourism, increased local resident populations, and agricultural activities which have increased nutrient inputs into this shallow coastal bay. As stated by the Academy of Natural Sciences, although the nutrient load has reduced since the Clean Water Act, years of nutrient accumulation, contaminations, and sedimentation have impacted estuarine systems substantially, long-term monitoring is lacking, and ecological responses are not well quantified. Eutrophication within the Bays has degraded water quality conditions advanced by sedimentation. Understanding the quality of the water in any aquatic ecosystem is a critical first step in order to identify characteristics of that ecosystem and draw conclusions about how well adapted the system is in terms of anthropogenic activity and climate change. Determining water quality in intertidal creeks along the Chesapeake and Delaware coastlines is important because land cover is constantly changing. Many of these tidal creeks are lined with forested riparian buffers that may be intercepting nutrients from running off into the waterways. Identifying water conditions, coupled with the marsh land cover, provides a strong foundation to see if the buffer systems are providing the ecosystem services they are designed to provide. Our primary goal in this chapter is to provide research findings on the application of the hyperspectral remote sensing to monitor specific land-use activities and water quality. Along with hyperspectral remote sensing, our monitoring was coupled with the integration of remotely sensed data, global positioning system (GPS), and geographic information system (GIS) technologies that provide a valuable tool for monitoring and assessing waterways in the Mid-Atlantic Estuaries.
Author: G. S. Kleppel
Publisher: Springer Science & Business Media
ISBN: 0387290230
Category : Science
Languages : en
Pages : 316
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Book Description
Coastal ecosystems make up some of the most important and, yet, most endangered, regions in the world. The protection of the unique processes that take place in these ecosystems requires that partnerships be formed among ecologists, resource managers and planners. Experienced in the challenges of coastal system analysis, the contributors to this book provide multidisciplinary guidance on the assessment and management of environmental impacts caused by development. Each chapter examines an issue important to these fragile ecosystems, first presenting a non-technical summary of the issue and a review of the current state of the knowledge, then following with data and a more detailed consideration of the topic. Functioning both as a practical guide, accessible to nonscientists, and as a rigorous scientific source book, Changing Land Use Patterns in the Coastal Zone will be useful to ecologists, urban and regional planners, resource managers, policymakers and students. While many of the case studies included in this volume are drawn from studies in the southeastern United States, the examples and lessons provided will be relevant to those working in all coastal environments.
Author: Hlanganani Tutu
Publisher: BoD – Books on Demand
ISBN: 9535128817
Category : Science
Languages : en
Pages : 430
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Book Description
As concerns increase over the scarcity of water resources and the role of anthropogenic activities, water quality is evermore important. Activities ranging from agriculture to mining have had a bearing on the quality of water that they impact. Several studies assessing such impacts have been conducted at local and global scales over the years. This book, consisting of contributions by authors in various water-related fields, delves into some approaches that are used to understand and/or to improve water quality, and these include assessment of water chemistry, biomonitoring, modelling and water treatment. This book will be useful to environmental scientists, water professionals, researchers, academics and students.
Author:
Publisher:
ISBN:
Category : Estuaries
Languages : en
Pages : 64
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Book Description
Author: National Research Council
Publisher: National Academies Press
ISBN: 0309069483
Category : Science
Languages : en
Pages : 422
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Book Description
Environmental problems in coastal ecosystems can sometimes be attributed to excess nutrients flowing from upstream watersheds into estuarine settings. This nutrient over-enrichment can result in toxic algal blooms, shellfish poisoning, coral reef destruction, and other harmful outcomes. All U.S. coasts show signs of nutrient over-enrichment, and scientists predict worsening problems in the years ahead. Clean Coastal Waters explains technical aspects of nutrient over-enrichment and proposes both immediate local action by coastal managers and a longer-term national strategy incorporating policy design, classification of affected sites, law and regulation, coordination, and communication. Highlighting the Gulf of Mexico's "Dead Zone," the Pfiesteria outbreak in a tributary of Chesapeake Bay, and other cases, the book explains how nutrients work in the environment, why nitrogen is important, how enrichment turns into over-enrichment, and why some environments are especially susceptible. Economic as well as ecological impacts are examined. In addressing abatement strategies, the committee discusses the importance of monitoring sites, developing useful models of over-enrichment, and setting water quality goals. The book also reviews voluntary programs, mandatory controls, tax incentives, and other policy options for reducing the flow of nutrients from agricultural operations and other sources.
Author:
Publisher:
ISBN:
Category : Estuarine eutrophication
Languages : en
Pages : 58
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Book Description
Author:
Publisher:
ISBN:
Category : Estuarine ecology
Languages : en
Pages : 62
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Book Description
Author: United States. Congress. House. Committee on Merchant Marine and Fisheries. Subcommittee on Fisheries and Wildlife Conservation and the Environment
Publisher:
ISBN:
Category : Coastal zone management
Languages : en
Pages : 194
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Book Description
Author: Avril L. de la Cretaz
Publisher: CRC Press
ISBN: 1420008722
Category : Science
Languages : en
Pages : 342
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Book Description
Filling a long-standing need for a desk reference that synthesizes current research, Land Use Effects on Streamflow and Water Quality in the Northeastern United States reviews and discusses the impact of forest management, agriculture, and urbanization. The book provides a gateway to the diverse scientific literature that is urgently needed
