Speciation And Distribution Of Atmospheric Mercury
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Speciation And Distribution Of Atmospheric Mercury
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Author : Guey-Rong Sheu
language : en
Publisher:
Release Date : 2001
Speciation And Distribution Of Atmospheric Mercury written by Guey-Rong Sheu and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2001 with Atmospheric deposition categories.
The Chemical Speciation And Phase Distribution Of Atmospheric Oxidized Mercury
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Author : Avik Ghoshdastidar
language : en
Publisher:
Release Date : 2019
The Chemical Speciation And Phase Distribution Of Atmospheric Oxidized Mercury written by Avik Ghoshdastidar and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2019 with categories.
"Mercury is a potent global neurotoxin that causes cognitive and neuromuscular damage. it is released through natural and anthropogenic processes, such as fossil fuel combustion, and travels far from its source of origin. A global concern, 130 countries have signed the 2013 UN Convention on Mercury, committing to reducing emissions. Atmospheric mercury primarily exists as three bulk species of which gaseous elemental mercury (GEM) predominates. GEM travels far from its source of origin due to its long atmospheric residence time and deposits in marine and terrestrial environments following chemical transformation to the more water-soluble, bioavailable gaseous oxidized mercury (GOM) and after binding to particulates. In marine environments, oxidized forms of mercury may convert to the highly neurotoxic methylmercury organic species. Conventional mercury analysis techniques cannot determine the chemical forms of mercury present in the atmosphere only whether mercury is present as GEM, GOM or particulate forms. It is also not clear that what is measured as gaseous mercury is entirely gaseous but may be comprised of nano-particulate mercury. Nano-particulate mercury would have significantly different chemical, biologic and human health implications, and would fundamentally change how we model the fate of mercury in the atmosphere, its transformations and risks to ecosystems.In this work, we develop a technique to determine and measure the chemical speciation of atmospheric oxidized mercury using soft-ionization mass spectrometry, generate and characterize reproducible sources of oxidized mercury nanoparticles and assess the determine the gaseous and particulate contributions of mercury(II) bromide and mercury(II) chloride at pg/m3 concentrations in Montreal urban air. " --
Mercury Pollution Integration And Synthesis
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Author : Carl J. Watras
language : en
Publisher: CRC Press
Release Date : 1994-11-11
Mercury Pollution Integration And Synthesis written by Carl J. Watras and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 1994-11-11 with Science categories.
This book contains 57 chapters describing the results of original research and reviewing the state-of-the-science with respect to environmental mercury. Topics include analytical methodology, atmospheric cycling, freshwater and marine ecosystems, terrestrial processes, bioaccumulation, modeling, pollution and remediation, and human health and public policy.
Atmospheric Mercury
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Author : Robert W. Talbot
language : en
Publisher: MDPI
Release Date : 2018-09-27
Atmospheric Mercury written by Robert W. Talbot and has been published by MDPI this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018-09-27 with Electronic book categories.
This book is a printed edition of the Special Issue "Atmospheric Mercury" that was published in Atmosphere
Mercury In The Environment
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Author : Geological Survey (U.S.)
language : en
Publisher:
Release Date : 1970
Mercury In The Environment written by Geological Survey (U.S.) and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1970 with Mercury categories.
On the literature on the inorganic geochemistry of mercury / Michael Fleischer -- Mercury content of rocks, soils, and stream sediments / A.P. Pierre, J.M. Botbol, and R.E. Learned -- Mercury in sedimentary rocks of the Colorado Plateau region / R.A. Cadigan -- Chemical behavior of mercury in aqueous media / John D. Hem -- Mercury contents of natural thermal and mineral fluids / D.E. White, M.E. Hinkle, and Ivan Barnes -- Sources and behavior of mercury in surface waters / R.L. Wershaw -- Biological factors in the chemistry of mercury / Phillip E. Greeson -- Mercury content of plants / Hansford T. Shacklette -- Mercury in the atmosphere / J.H. McCarthy [and others] -- Atmospheric and fluvial transport of mercury / E.A. Jenne -- Analytical methods for the determination of mercury in rocks and soils / F.N. Ward.
Global And Regional Mercury Cycles Sources Fluxes And Mass Balances
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Author : W. Baeyens
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-12-06
Global And Regional Mercury Cycles Sources Fluxes And Mass Balances written by W. Baeyens and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-12-06 with Science categories.
Essential themes in the biochemical cycling of mercury are the relative importance of anthropogenic versus natural sources, transformation and migration processes at the local, regional and global scale, global emission inventories of different mercury sources (both point and diffuse) of both natural and anthropogenic origin. In this regard, Siberia, with its vast territory and variety of natural zones, is of special interest in the global mercury cycle and in terms of the influence of geographical zones on source and sink terms in regional budgets. Siberia contains large areas of mercuriferous belts; natural deposits that emit mercury into the atmosphere and water. Siberian gold has been mined with the use of mercury since the early 1800s. But there, too, huge forest zones and vast areas of tundra and wetland (bogs) can act as efficient sinks for atmospheric mercury. Audience: Environmental scientists, legislators, politicians and the interested citizen wishing to gain a clear picture of the biogeochemical cycling of mercury.
Mercury In Soil
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Author : Sten Rundgren
language : en
Publisher: Nordic Council of Ministers
Release Date : 1992
Mercury In Soil written by Sten Rundgren and has been published by Nordic Council of Ministers this book supported file pdf, txt, epub, kindle and other format this book has been release on 1992 with Science categories.
Dynamics Of Mercury Pollution On Regional And Global Scales
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Author : Nicola Pirrone
language : en
Publisher: Springer Science & Business Media
Release Date : 2005-12-12
Dynamics Of Mercury Pollution On Regional And Global Scales written by Nicola Pirrone and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2005-12-12 with Science categories.
This book provides a comprehensive overview of the different dynamic patterns involved in the redistribution of mercury in the global environment, and its impact on human health and ecosystems. Increasing mercury usage and the lack of emission control policy, especially in fast developing countries, represent a complex environmental and political issue that can only benefit from more accurate measurement.
Speciation And Transformation Of Reactive Mercury In Atmospheric Waters
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Author : David Reuben Bittrich
language : en
Publisher:
Release Date : 2005
Speciation And Transformation Of Reactive Mercury In Atmospheric Waters written by David Reuben Bittrich and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2005 with categories.
Atmospheric Mercury Monitoring Analysis And Chemistry
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Author : James Cizdziel
language : en
Publisher: MDPI
Release Date : 2021-04-28
Atmospheric Mercury Monitoring Analysis And Chemistry written by James Cizdziel and has been published by MDPI this book supported file pdf, txt, epub, kindle and other format this book has been release on 2021-04-28 with Science categories.
Mercury is a toxic global contaminant that is transported through the atmosphere, is deposited in terrestrial and aquatic ecosystems, and concentrates up the food chain, reaching levels that can harm both humans and wildlife. This book reports the latest findings describing the distribution, deposition, and measurement of this airborne pollutant as well as the human and environmental impacts of artisanal mining of mercury and gold. The research originates from around the world and highlights the importance of atmospheric mercury research and the Minamata Convention on Mercury, a global treaty to protect human health and the environment from anthropogenic emissions of mercury.