Exploration Of Antarctic Subglacial Aquatic Environments
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Exploration Of Antarctic Subglacial Aquatic Environments
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Author : National Research Council
language : en
Publisher: National Academies Press
Release Date : 2007-07-09
Exploration Of Antarctic Subglacial Aquatic Environments written by National Research Council and has been published by National Academies Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2007-07-09 with Science categories.
Antarctica is renowned for its extreme cold; yet surprisingly, radar measurements have revealed a vast network of lakes, rivers, and streams several kilometers beneath the Antarctic ice sheet. Sealed from Earth's atmosphere for millions of years, they may provide vital information about microbial evolution, the past climate of the Antarctic, and the formation of ice sheets, among other things. The next stage of exploration requires direct sampling of these aquatic systems. However, if sampling is not done cautiously, the environmental integrity and scientific value of these environments could be compromised. At the request of the National Science Foundation, this National Research Council assesses what is needed to responsibly explore subglacial lakes. Exploration of Antarctic Subglacial Aquatic Environments concludes that it is time for research on subglacial lakes to begin, and this research should be guided by internationally agreed upon protocols. The book suggests an initial protocol, which includes full characterization of the lakes by remote sensing, and minimum standards for biological and other types of contamination.
Exploration Of Antarctic Subglacial Aquatic Environments
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Author : Committee on Principles of Environmental Stewardship for the Exploration and Study of Subglacial Environments
language : en
Publisher: National Academies Press
Release Date : 2007-07-12
Exploration Of Antarctic Subglacial Aquatic Environments written by Committee on Principles of Environmental Stewardship for the Exploration and Study of Subglacial Environments and has been published by National Academies Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2007-07-12 with Nature categories.
Antarctica is renowned for its extreme cold; yet surprisingly, radar measurements have revealed a vast network of lakes, rivers, and streams several kilometers beneath the Antarctic ice sheet. Sealed from Earth's atmosphere for millions of years, they may provide vital information about microbial evolution, the past climate of the Antarctic, and the formation of ice sheets, among other things. The next stage of exploration requires direct sampling of these aquatic systems. However, if sampling is not done cautiously, the environmental integrity and scientific value of these environments could be compromised. At the request of the National Science Foundation, this National Research Council assesses what is needed to responsibly explore subglacial lakes. Exploration of Antarctic Subglacial Aquatic Environments concludes that it is time for research on subglacial lakes to begin, and this research should be guided by internationally agreed upon protocols. The book suggests an initial protocol, which includes full characterization of the lakes by remote sensing, and minimum standards for biological and other types of contamination.
Antarctic Subglacial Aquatic Environments
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Author : Martin J. Siegert
language : en
Publisher: John Wiley & Sons
Release Date : 2013-05-02
Antarctic Subglacial Aquatic Environments written by Martin J. Siegert and has been published by John Wiley & Sons this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-05-02 with Science categories.
Published by the American Geophysical Union as part of the Geophysical Monograph Series, Volume 192. Antarctic Subglacial Aquatic Environments is the first volume on this important and fascinating subject. With its underlying theme of bridging existing knowledge to future research, it is a benchmark in the history of subglacial lake exploration and study, containing up-to-date discussions about the history and background of subglacial aquatic environments and future exploration. The main topics addressed are identification, location, physiography, and hydrology of 387 subglacial lakes; protocols for environmental stewardship and protection of subglacial lake environments; details of three programs aiming to explore Vostok Subglacial Lake, Ellsworth Subglacial Lake, and Whillans Subglacial Lake over the next 3–5 years; assessment of technological requirements for exploration programs based on best practices for environmental stewardship and scientific success; and knowledge of subglacial lakes as habitats for microbial life and as recorders of past climate and ice sheet change. Its uniqueness, breadth, and inclusiveness will appeal to microbiologists and those interested in life in extreme environments, paleoclimatologists and those interested in sedimentary records of past changes, glaciologists striving to understand how water beneath glaciers affects their flow, and those engaged in developing technology to undertake direct measurement and sampling of extreme environments on Earth and in the solar system.
Exploration Of Subsurface Antarctica
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Author : M.J. Siegert
language : en
Publisher: Geological Society of London
Release Date : 2018-01-08
Exploration Of Subsurface Antarctica written by M.J. Siegert and has been published by Geological Society of London this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018-01-08 with Science categories.
Our appreciation of glaciological processes in Antarctica suffers from a lack of observations in regions where numerical models indicate the ice sheet to be susceptible to ocean and/or atmospheric warming. The solution lies in the use and development of glacier geophysics. In this volume we present a series of papers that demonstrate how geophysics can be deployed in Antarctica to comprehend: (1) boundary conditions that influence ice flow such as subglacial topography, the distribution of basal water and ice-sheet rheology; (2) phenomena that might affect ice-flow processes, such as complex internal ice-sheet structures and the proposition of large stores of hitherto unappreciated groundwater; and (3) how glacigenic sediments and formerly glaciated terrain on, and surrounding, the continent can inform us about past ice-sheet dynamics. The volume also takes a historical view on developments leading to current knowledge, examines active ice-sheet processes, and points the way forward on how geophysics can advance quantitative understanding of Antarctic ice-sheet behaviour.
The Antarctic Legal System
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Author : Gianfranco Tamburelli
language : en
Publisher: Giuffrè Editore
Release Date : 2008
The Antarctic Legal System written by Gianfranco Tamburelli and has been published by Giuffrè Editore this book supported file pdf, txt, epub, kindle and other format this book has been release on 2008 with Law categories.
Psychrophiles From Biodiversity To Biotechnology
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Author : Rosa Margesin
language : en
Publisher: Springer
Release Date : 2017-06-22
Psychrophiles From Biodiversity To Biotechnology written by Rosa Margesin and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2017-06-22 with Science categories.
Cold adaptation includes a complex range of structural and functional adaptations at the level of all cellular constituents, and these adaptations render cold-adapted organisms particularly useful for biotechnological applications. This book presents the most recent knowledge of (i) boundary conditions for microbial life in the cold, (ii) microbial diversity in various cold ecosystems, (iii) molecular cold adaptation mechanisms and (iv) the resulting biotechnological perspectives.
Research Handbook On International Environmental Law
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Author : Malgosia Fitzmaurice
language : en
Publisher: Edward Elgar Publishing
Release Date : 2010
Research Handbook On International Environmental Law written by Malgosia Fitzmaurice and has been published by Edward Elgar Publishing this book supported file pdf, txt, epub, kindle and other format this book has been release on 2010 with Law categories.
. . . an impressive volume and the editors have put together a high quality collection. Research Handbook on International Environmental Law ought to be an invaluable reference source for both teachers and students of international environmental law in the years to come. Web Journal of Current Legal Issues This wide-ranging and comprehensive Handbook examines recent developments in international environmental law (IEL) and the crossover effects of this expansion on other areas of international law, such as trade law and the law of the sea. The expert contributors offer analyses of foundational issues in IEL, such as responsibility for environmental damage, sustainable development and the precautionary principle, alongside studies in topical subject areas including marine protection and the law of international watercourses. This Research Handbook offers an in-depth analysis of IEL, both as a field of law in its own right, and as part of the wider system of international law. It gives a comprehensive view of IEL in all its forms and complexity. With thorough examination of specific environmental regimes and compliance mechanisms, this Handbook will be an indispensable resource for legal scholars, students and practitioners alike.
When Biospheres Collide A History Of Nasa S Planetary Protection Programs
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Author : Michael Meltzer
language : en
Publisher: Government Printing Office
Release Date : 2012-01-27
When Biospheres Collide A History Of Nasa S Planetary Protection Programs written by Michael Meltzer and has been published by Government Printing Office this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-01-27 with Science categories.
PRINT FORMAT ONLY NOTE: NO FURTHER DISCOUNT FOR THIS PRINT PRODUCT- OVERSTOCK SALE -- Significantly reduced list price This new book from the NASA History Series tackles an interesting duo of biological problems that will be familiar to anybody who has seen photos of Apollo astronauts quarantined after their return to Earth. Namely, how do we avoid contaminating celestial bodies with Earthly germs when we send spacecraft to study these bodies, and how do we avoid spreading foreign biological matter from space when our robotic and human spacefarers return to Earth? Biological matter from an external system could potentially cause an unchecked epidemic either on Earth or in space so strict precautions are necessary. Each time a space vehicle visits another world it runs the risk of forever changing that extraterrestrial environment. We are surrounded on Earth by a mélange of different microorganisms, and if some of these hitchhike onboard a space mission, they could contaminate and start colonies on a different planet. Such an occurrence would irrevocably alter the nature of that world, compromise all future scientific exploration of the body, and possibly damage any extant life on it. By inadvertently carrying exotic organisms back to Earth on our spacecraft, we also risk the release of biohazardous materials into our own ecosystem. Such concerns were recognized by scientists even before the 1957 launch of Sputnik. This book presents the history of planetary protection by tracing the responses to the above concerns on NASA’s missions to the Moon, Mars, Venus, Jupiter, Saturn, and many smaller bodies of our solar system. The book relates the extensive efforts put forth by NASA to plan operations and prepare space vehicles that return exemplary science without contaminating the biospheres of other worlds or our own. To protect irreplaceable environments, NASA has committed to conducting space exploration in a manner that is protective of the bodies visited, as well as of our own planet.
Advances In Safety Reliability And Risk Management
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Author : Christophe Berenguer
language : en
Publisher: CRC Press
Release Date : 2011-08-31
Advances In Safety Reliability And Risk Management written by Christophe Berenguer and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2011-08-31 with Technology & Engineering categories.
Covering a wide range of topics on safety, reliability and risk management, the present publication will be of interest to academics and professionals working in a wide range of scientific, industrial and governmental sectors, including: Aeronautics and Aerospace; Chemical and Process Industry; Civil Engineering; Critical Infrastructures; Energy; Information Technology and Telecommunications; Land Transportation; Manufacturing; Maritime Transportation; Mechanical Engineering; Natural Hazards; Nuclear Industry; Offshore Industry; Policy Making and Public Planning.
Analysis Of Global Change Assessments
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Author : National Research Council
language : en
Publisher: National Academies Press
Release Date : 2007-09-07
Analysis Of Global Change Assessments written by National Research Council and has been published by National Academies Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2007-09-07 with Science categories.
Global change assessments inform decision makers about the scientific underpinnings of a range of environmental issues, such as climate change, stratospheric ozone depletion, and loss of biodiversity. Dozens of assessments have been conducted to date by various U.S. and international groups, many of them influencing public policies, technology development, and research directions. This report analyzes strengths and weaknesses of eight past assessments to inform future efforts. Common elements of effective assessments include strong leadership, extensive engagement with interested and affected parties, a transparent science-policy interface, and well defined communication strategies. The report identifies 11 essential elements of effective assessments and recommends that future assessments include decision support tools that make use of information at the regional and local level where decisions are made.