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Author : Ronald F. Follett
Publisher : Unknown
Page : 38 pages
File Size : 55,6 Mb
Release : 1995
Category : Nitrogen cycle
ISBN : CORNELL:31924101596041
Author : Anonim
Publisher : Unknown
Page : 296 pages
File Size : 43,6 Mb
Release : 1984
Category : Electronic
ISBN : MINN:31951P00997752O
Author : Paul A. Conrads,Pauley A. Smith
Publisher : Unknown
Page : 68 pages
File Size : 49,9 Mb
Release : 1997
Category : Nutrient pollution of water
ISBN : UCR:31210012160477
Author : Anonim
Publisher : Unknown
Page : 898 pages
File Size : 48,5 Mb
Release : 1991
Category : Hydrology
ISBN : UOM:39015022360518
Author : Pan Ming Huang,Yuncong Li,Malcolm E. Sumner
Publisher : CRC Press
Page : 833 pages
File Size : 41,9 Mb
Release : 2011-11-17
Category : Science
ISBN : 9781439803073
An evolving, living organic/inorganic covering, soil is in dynamic equilibrium with the atmosphere above, the biosphere within, and the geology below. It acts as an anchor for roots, a purveyor of water and nutrients, a residence for a vast community of microorganisms and animals, a sanitizer of the environment, and a source of raw materials for construction and manufacturing. To develop lasting solutions to the challenges of balanced use and stewardship of the Earth, we require a fundamental understanding of soil—from its elastic, porous three-phase system to its components, processes, and reactions. Handbook of Soil Sciences: Resource Management and Environmental Impacts, Second Edition is the second of two volumes that form a comprehensive reference on the discipline of soil science. Completely revised and updated to reflect the current state of knowledge, this volume covers interfacial interactions between the physical, chemical, and biological regimes within the soil; the factors that control the availability of plant nutrients and microelements; interdisciplinary aspects of soil science, including salinity, sodicity, and soil erosion; and soil databases for assessing worldwide soil resources. Critical elements addressed in each section include: Descriptions of concepts and theories Definitions, approaches, methodologies, and procedures Data in tabular and figure format Extensive references This cohesive handbook provides a thorough understanding of soil science principles and practices based on a rigorous, complete, and up-to-date treatment of the subject matter compiled by leading scientists. It is a resource rich in data, offering professional soil scientists, agronomists, engineers, ecologists, biologists, naturalists, and students their first point of entry into a particular aspect of the soil sciences.
Author : Bojie Fu,Bruce Jones K
Publisher : Springer Science & Business Media
Page : 369 pages
File Size : 46,5 Mb
Release : 2013-03-26
Category : Science
ISBN : 9789400765306
Climate change and the pressures of escalating human demands on the environment have had increasing impacts on landscapes across the world. In this book, world-class scholars discuss current and pressing issues regarding the landscape, landscape ecology, social and economic development, and adaptive management. Topics include the interaction between landscapes and ecological processes, landscape modeling, the application of landscape ecology in understanding cultural landscapes, biodiversity, climate change, landscape services, landscape planning, and adaptive management to provide a comprehensive view that allows readers to form their own opinions. Professor Bojie Fu is an Academician of Chinese Academy of Sciences and Chair of scientific committee at the Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing, China. Professor K. Bruce Jones is the Executive Director for Earth and Ecosystem Sciences Division at Desert Research Institute, University of Nevada, Las Vegas, USA.
Author : Scott W. Ator,John W. Brakebill,Joel D. Blomquist
Publisher : Geological Survey (USGS)
Page : 27 pages
File Size : 55,6 Mb
Release : 2011
Category : Chesapeake Bay Watershed
ISBN : 1411332628
Spatially Referenced Regression on Watershed Attributes (SPARROW) was used to provide empirical estimates of the sources, fate, and transport of total nitrogen (TN) and total phosphorus (TP) in the Chesapeake Bay watershed, and the mean annual TN and TP flux to the bay and in each of 80,579 nontidal tributary stream reaches. Restoration efforts in recent decades have been insufficient to meet established standards for water quality and ecological conditions in Chesapeake Bay. The bay watershed includes 166,000 square kilometers of mixed land uses, multiple nutrient sources, and variable hydrogeologic, soil, and weather conditions, and bay restoration is complicated by the multitude of nutrient sources and complex interacting factors affecting the occurrence, fate, and transport of nitrogen and phosphorus from source areas to streams and the estuary. Effective and efficient nutrient management at the regional scale in support of Chesapeake Bay restoration requires a comprehensive understanding of the sources, fate, and transport of nitrogen and phosphorus in the watershed, which is only available through regional models. The current models, Chesapeake Bay nutrient SPARROW models, version 4 (CBTN_v4 and CBTP_v4), were constructed at a finer spatial resolution than previous SPARROW models for the Chesapeake Bay watershed (versions 1, 2, and 3), and include an updated timeframe and modified sources and other explantory terms.
Author : Charles Sheppard
Publisher : Academic Press
Page : 310 pages
File Size : 49,5 Mb
Release : 2018-11-21
Category : Science
ISBN : 9780128151068
Advances in Marine Biology, Volume 81, the latest release in this acclaimed series published since 1963, updates on many topics that appeal to postgraduates and researchers in marine biology, fisheries science, ecology, zoology and biological oceanography, with this release presenting chapters on The Impact of Hydrocarbon Contamination on the Scallop Fishery in Port au Port Bay, Newfoundland, Pharmaceutical and personal care products in marine and coastal environments: facts, challenges and opportunities, Modeling of the Marathassa Oil Spill in the Vancouver Harbour, Characterization of Nitrogen Containing Polycyclic Aromatic Hydrocarbons (PAHs) in Crude Oil and Refined Petroleum Products, and much more. Reviews articles on the latest advances in marine biology Authored by leading figures in their respective fields of study Presents materials that are widely used by managers, students and academic professionals in the marine sciences
Author : Robert Howarth
Publisher : Unknown
Page : 28 pages
File Size : 44,8 Mb
Release : 2003
Category : Coastal ecology
ISBN : UIUC:30112107134022
Author : National Research Council,Division on Earth and Life Studies,Board on Environmental Studies and Toxicology,Water Science and Technology Board,Committee on Riparian Zone Functioning and Strategies for Management
Publisher : National Academies Press
Page : 448 pages
File Size : 49,6 Mb
Release : 2002-09-10
Category : Science
ISBN : 9780309169776
The Clean Water Act (CWA) requires that wetlands be protected from degradation because of their important ecological functions including maintenance of high water quality and provision of fish and wildlife habitat. However, this protection generally does not encompass riparian areasâ€"the lands bordering rivers and lakesâ€"even though they often provide the same functions as wetlands. Growing recognition of the similarities in wetland and riparian area functioning and the differences in their legal protection led the NRC in 1999 to undertake a study of riparian areas, which has culminated in Riparian Areas: Functioning and Strategies for Management. The report is intended to heighten awareness of riparian areas commensurate with their ecological and societal values. The primary conclusion is that, because riparian areas perform a disproportionate number of biological and physical functions on a unit area basis, restoration of riparian functions along America's waterbodies should be a national goal.
Author : John S. Gulliver
Publisher : Springer Science & Business Media
Page : 375 pages
File Size : 43,9 Mb
Release : 2012-12-12
Category : Science
ISBN : 9781461457312
What happens when a chemical is released into the environment? It diffuses, disperses, adsorbs, reacts, and/or changes state. To predict and analyze this process, the mathematics of diffusion is applied to lakes, rivers, groundwater, the atmosphere, the oceans, and transport between these media. A sustainable world requires a deep understanding of the transport of chemicals through the environment and how to address and harness this process. This volume presents a succinct and in-depth introduction to this critical topic. Featuring authoritative, peer-reviewed articles from the Encyclopedia of Sustainability Science and Technology, Transport and Fate of Chemicals in the Environment represents an essential one-stop reference for an audience of researchers, undergraduate and graduate students, and industry professionals.
Author : Virginia H. Dale,Catherine L. Kling,Judith L. Meyer,James Sanders,Holly Stallworth,Thomas Armitage,David Wangsness,Thomas Bianchi,Alan Blumberg,Walter Boynton,Daniel J. Conley,William Crumpton,Mark David,Denis Gilbert,Robert W. Howarth,Richard Lowrance,Kyle Mankin,James Opaluch,Hans Paerl,Kenneth Reckhow,Andrew N. Sharpley,Thomas W. Simpson,Clifford S. Snyder,Donelson Wright
Publisher : Springer Science & Business Media
Page : 334 pages
File Size : 41,9 Mb
Release : 2010-04-12
Category : Science
ISBN : 9780387896861
Since 1985, scientists have been documenting a hypoxic zone in the Gulf of Mexico each year. The hypoxic zone, an area of low dissolved oxygen that cannot s- port marine life, generally manifests itself in the spring. Since marine species either die or ee the hypoxic zone, the spread of hypoxia reduces the available habitat for marine species, which are important for the ecosystem as well as commercial and recreational shing in the Gulf. Since 2001, the hypoxic zone has averaged 2 1 16,500 km during its peak summer months , an area slightly larger than the state 2 2 of Connecticut, and ranged from a low of 8,500 km to a high of 22,000 km . To address the hypoxia problem, the Mississippi River/Gulf of Mexico Watershed Nutrient Task Force (or Task Force) was formed to bring together represen- tives from federal agencies, states, and tribes to consider options for responding to hypoxia. The Task Force asked the White House Of ce of Science and Technology Policy to conduct a scienti c assessment of the causes and consequences of Gulf hypoxia through its Committee on Environment and Natural Resources (CENR).
Author : Rattan Lal
Publisher : CRC Press
Page : 1052 pages
File Size : 55,5 Mb
Release : 2006
Category : Technology & Engineering
ISBN : 0849350549
"Upholding the high standard of quality set by the previous edition, this two-volume second edition offers a vast array of recent peer-reviewed articles. It showcases research and practices with added sections on ISTIC-World Soil Information, root growth and agricultural management, nitrate leaching management, podzols, paramos soils, water repellant soils, rare earth elements, and more. With hundreds of entries covering tillage, irrigation, erosion control, ground water, and soil degradation, the book offers quick access to all branches of soil science, from mineralology and physics, to soil management, restoration, and global warming."--Publisher's website.
Author : Bin Gao
Publisher : Elsevier
Page : 355 pages
File Size : 54,6 Mb
Release : 2022-01-16
Category : Science
ISBN : 9780128240892
Emerging Contaminants in Soil and Groundwater Systems: Occurrence, Impact, Fate and Transport addresses the current need for comprehensive and detailed information on emerging contaminants in the environment. Due to increasing industrial expansion and evolving technologies, novel contaminants are being found in the environment with little information on their analysis, fate and transport. This book covers pharmaceuticals and personal care products, perfluorinated compounds, engineered nanoparticles and microplastics, providing the information environmental scientists require to study their occurrence and interactions, including case studies for each contaminant. This book is a valuable read for postgraduate students, academics, researchers, engineers and other professionals in the fields of Environmental Science, Soil Science, and Hydrology who need the most up-to-date information and analytical methods for analyzing newly emerging contaminants in soil and groundwater. Presents the four most important emerging contaminants of concern that have had little comprehensive coverage to date: pharmaceuticals and personal care products, perfluorinated compounds, engineered nanoparticles and microplastics Focuses on the fate and transport of each emerging contaminant, providing a thorough description of how each contaminant interacts with the environment Includes case studies of each emerging contaminant to complement advances in research to form a comprehensive reference for all emerging contaminants
Author : United States. Congress. House. Committee on Science, Space, and Technology. Subcommittee on Natural Resources, Agriculture Research, and Environment
Publisher : Unknown
Page : 728 pages
File Size : 51,9 Mb
Release : 1990
Category : Groundwater
ISBN : LOC:00183585861
