Interactions of ultraviolet-B radiation, mixing, and biological activity on photobleaching of natural chromophoric dissolved organic matter PDF Download
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Author: R.F. WHITEHEAD
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Author: R.F. WHITEHEAD
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Author: Francesco Ghetti
Publisher: Springer Science & Business Media
ISBN: 9781402036965
Category : Medical
Languages : en
Pages : 306
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Book Description
This publication originates from the NATO Advanced Study Institute on Environmental Radiation: Impact on Ecosystems and Human Health and Predictive Models, held in Pisa, Italy, in June 2001. The book offers not only basic information on the action mechanisms of UV radiation on ecosystems and various biological systems, but also a picture of the possible scenarios of the long-term global increase of environmental UV radiation, with emphasis on the research aspects aimed at the proper quantitative assessment of risk factors and the formulation of reliable predictive models. The purpose of the authors is to present a critical discussion on how changes in UV radiation will affect ecosystems and the biological processes needed to sustain life on Earth and to provide useful hints for future actions of governmental and international agencies, as well as non-governmental organizations. The book is structured in four sections: the first one is devoted to a general overview of the consequences of ozone depletion and to the basic concepts of radiation measurements and monitoring; the other three sections are devoted to the effects on plants, aquatic ecosystems and human health.
Author: E Walter Helbling
Publisher: Royal Society of Chemistry
ISBN: 1847552269
Category : Science
Languages : en
Pages : 600
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Book Description
This book offers extensive coverage of the most important aspects of UVR effects on all aquatic (not just freshwater and marine) ecosystems, encompassing UV physics, chemistry, biology and ecology. Comprehensive and up-to-date, UV Effects in Aquatic Organisms and Ecosystems aims to bridge the gap between environmental studies of UVR effects and the broader, traditional fields of ecology, oceanography and limnology. Adopting a synthetic approach, the different sections cover: the physical factors controlling UVR intensity in the atmosphere; the penetration and distribution of solar radiation in natural waters; the main photochemical process affecting natural and anthropogenic substances; and direct and indirect effects on organisms (from viruses, bacteria and algae to invertebrate and vertebrate consumers). Researchers and professionals in environmental chemistry, photochemistry, photobiology and cell and molecular biology will value this book, as will those looking at ozone depletion and global change.
Author: D.O. Hessen
Publisher: Springer Science & Business Media
ISBN: 364256075X
Category : Science
Languages : en
Pages : 348
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Book Description
Although there are some biological processes that are supported by UV radiation, most organisms are stressed by it in various ways, e.g. through DNA damage. Top international experts present an integrated overview of UV radiation and its effects on terrestrial, freshwater and marine Arctic biota. Increased stratospheric ozone depletion and the corresponding increase in ground levels of UV radiation as well as ambient, "natural" UV radiation as a key ecological factor in the Arctic spring and summer are discussed in detail. Additionally, basic information on Arctic ecosystems is given. The volume provides not only an excellent account of present-day knowledge of the subject, but also describes the state of the art on which future research can be built.
Author: PhD, Ehsan Atazadeh
Publisher: BoD – Books on Demand
ISBN: 9533074906
Category : Technology & Engineering
Languages : en
Pages : 276
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Book Description
Generally, the term biomass is used for all materials originating from photosynthesis. However, biomass can equally apply to animals. Conservation and management of biomass is very important. There are various ways and methods for biomass evaluation. One of these methods is remote sensing. Remote sensing provides information about biomass, but also about biodiversity and environmental factors estimation over a wide area. The great potential of remote sensing has received considerable attention over the last few decades in many different areas in biological sciences including nutrient status assessment, weed abundance, deforestation, glacial features in Arctic and Antarctic regions, depth sounding of coastal and ocean depths, and density mapping. The salient features of the book include: Several aspects of biomass study and survey; Use of remote sensing for evaluation of biomass; Evaluation of carbon storage in ecosystems; Evaluation of primary productivity through case studies
Author: Lasse H. Pettersson
Publisher: Springer Science & Business Media
ISBN: 3540682090
Category : Science
Languages : en
Pages : 309
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Book Description
Monitoring of Harmful Algae Blooms is a timely guide to the research techniques in use to monitor visible algae blooms and through remote sensing, including infrared techniques, predict them through mathematical modeling. Drawing on current and future satellite data, the book presents visible perspectives on a more efficient HAB monitoring system for the future. It also emphasizes practical applications, impacting on marine ecology, national economy, health, food and safety and quality assurance.
Author: United Nations Environment Programme
Publisher: United Nations Publications
ISBN:
Category : Nature
Languages : en
Pages : 204
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Book Description
The 2002 report updates the assessment of the environmental effects of increased ultraviolet radiation and focuses on the interactions between ozone depletion and climate change. Findings include that atmospheric ozone levels remain depleted with an annual global average loss of about three per cent. Although the quality, quantity and availability of ground-based UV measurements continue to improve, a global-scale assessment is not yet available. Long-term effects on UV radiation from changes in cloud and snow cover have been observed, which indicates complex interactions between climate change and UV-B radiation. New studies continue to confirm the health problems caused by UV-B radiation, especially the formation of cataracts in the eyes, skin cancer and damage to the immune system. Interactions between UV radiation and other global climate change factors are also likely to affect many terrestrial and aquatic ecosystems.
Author:
Publisher:
ISBN:
Category : Aquatic sciences
Languages : en
Pages : 1164
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Author: Theodore John Swift
Publisher:
ISBN:
Category : Turbidity
Languages : en
Pages : 468
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Author:
Publisher:
ISBN:
Category : Freshwater biology
Languages : en
Pages : 412
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