Polar Research From Satellites
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Polar Research From Satellites
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Author : Robert H. Thomas
language : en
Publisher:
Release Date : 1990
Polar Research From Satellites written by Robert H. Thomas and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1990 with Artificial satellites categories.
Satellite Remote Sensing Of Polar Regions
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Author : Robert Massom
language : en
Publisher:
Release Date : 1991
Satellite Remote Sensing Of Polar Regions written by Robert Massom and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1991 with Remote sensing categories.
Outlines the evolution of satellite-borne remote sensing of polar regions, evaluates satellites currently in operation, and considers future developments.
Polar Research From Satellites
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Author : R. H. Thomas
language : en
Publisher:
Release Date : 1991
Polar Research From Satellites written by R. H. Thomas and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1991 with categories.
Polar Remote Sensing
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Author : Dan Lubin
language : en
Publisher: Springer Science & Business Media
Release Date : 2006-08-31
Polar Remote Sensing written by Dan Lubin 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 2006-08-31 with Science categories.
The polar regions, perhaps more than any other places on Earth, give the geophysical scientist a sense of exploration. This sensibility is genuine, for not only is high-latitude ?eldwork arduous with many locations seldom or never visited, but there remains much fundamental knowledge yet to be discovered about how the polar regions interact with the global climate system. The range of opportunities for new discovery becomes strikingly clear when we realize that the high latitudes are not one region but are really two vastly di?erent worlds. The high Arctic is a frozen ocean surrounded by land, and is home to fragile ecosystems and unique modes of human habitation. The Antarctic is a frozen continent without regular human habitation, covered by ice sheets taller than many mountain ranges and surrounded by the Earth’s most forbidding ocean. When we consider global change as applied to the Arctic, we discuss impacts to a region whose surface and lower atmospheric temperatures are near the triple point of water throughout much of the year. The most consistent signatures of climate warming have occurred at northern high latitudes (IPCC, 2001), and the potential impacts of a few degrees increase in surface temperature include a reduction in sea ice extent, a positive feedback to climate warming due to lowering of surface albedo, and changes to surface runo? that might a?ect the Arctic Ocean’s salinity and circulation.
Enhancing Nasa S Contributions To Polar Science
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Author : National Research Council
language : en
Publisher: National Academies Press
Release Date : 2001-05-23
Enhancing Nasa S Contributions To Polar Science 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 2001-05-23 with Science categories.
The high latitudes of the Arctic and Antarctic, together with some mountainous areas with glaciers and long-lasting snow, are sometimes called the cryosphere-defined as that portion of the planet where water is perennially or seasonally frozen as sea ice, snow cover, permafrost, ice sheets, and glaciers. Variations in the extent and characteristics of surface ice and snow in the high latitudes are of fundamental importance to global climate because of the amount of the sun's radiation that is reflected from these often white surfaces. Thus, the cryosphere is an important frontier for scientists seeking to understand past climate events, current weather, and climate variability. Obtaining the data necessary for such research requires the capability to observe and measure a variety of characteristics and processes exhibited by major ice sheets and large-scale patterns of snow and sea ice extent, and much of these data are gathered using satellites. As part of its efforts to better support the researchers studying the cryosphere and climate, the National Aeronautics and Space Administration (NASA)-using sophisticated satellite technology-measures a range of variables from atmospheric temperature, cloud properties, and aerosol concentration to ice sheet elevation, snow cover on land, and ocean salinity. These raw data are compiled and processed into products, or data sets, useful to scientists. These so-called "polar geophysical data sets" can then be studied and interpreted to answer questions related to atmosphere and climate, ice sheets, terrestrial systems, sea ice, ocean processes, and many other phenomena in the cryosphere. The goal of this report is to provide a brief review of the strategy, scope, and quality of existing polar geophysical data sets and help NASA find ways to make these products and future polar data sets more useful to researchers, especially those working on the global change questions that lie at the heart of NASA's Earth Science Enterprise.
Polar Orbiting Environmental Satellites
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Author : David A. Powner
language : en
Publisher: DIANE Publishing
Release Date : 2010-10
Polar Orbiting Environmental Satellites written by David A. Powner and has been published by DIANE Publishing this book supported file pdf, txt, epub, kindle and other format this book has been release on 2010-10 with Science categories.
In the 8 years since a contract was awarded, the National Polar-Orbiting Operational Environ. Satellite System (NPOESS) -- a tri-agency program managed by NOAA, DoD, and NASA -- has experienced escalating costs, schedule delays, and ineffective interagency mgmt. The launch date for a demo. satellite has been delayed by 5 years and the cost estimate for the program has more than doubled. In Feb. 2010, NPOESS was disbanded, and, instead, the agencies have undertaken separate acquisitions. This report: (1) assessed efforts to establish separate satellite programs; (2) evaluated the status and risks of the NPOESS components still under development; and (3) evaluated the implications of using the demo. satellite's data operationally. Illus.
Globalizing Polar Science
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Author : R. Launius
language : en
Publisher: Springer
Release Date : 2010-11-22
Globalizing Polar Science written by R. Launius and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2010-11-22 with History categories.
The International Polar Years and the International Geophysical Year represented a remarkable international collaborative scientific effort that has been largely neglected by historians. This groundbreaking collection seeks to redress that neglect and illuminate critical aspects of the last 150 years of international scientific endeavour.
Polar Orbiting Operational Environmental Satellites
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Author : United States. Government Accountability Office
language : en
Publisher: DIANE Publishing
Release Date : 2007
Polar Orbiting Operational Environmental Satellites written by United States. Government Accountability Office and has been published by DIANE Publishing this book supported file pdf, txt, epub, kindle and other format this book has been release on 2007 with Meteorological satellites categories.
The National Polar-orbiting Operational Environmental Satellite System (NPOESS) is a tri-agency acquisition--managed by the Departments of Commerce and Defense and the National Aeronautics and Space Administration--which experienced escalating costs, schedule delays, and technical difficulties. These factors led to a June 2006 decision to restructure the program thereby decreasing the program's complexity, increasing its estimated cost to $12.5 billion, and delaying the first two satellites by 3 to 5 years. GAO was asked to (1) assess progress in restructuring the acquisition, (2) evaluate progress in establishing an effective management structure, (3) assess the reliability of the cost ...
Polar Oceans From Space
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Author : Josefino Comiso
language : en
Publisher: Springer Science & Business Media
Release Date : 2010-03-24
Polar Oceans From Space written by Josefino Comiso 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 2010-03-24 with Science categories.
Only a few centuries ago, we knew very little about our planet Earth. The Earth was considered flat by many although it was postulated by a few like Aristotle that it is spherical based on observations that included the study of lunar eclipses. Much later, Christopher Columbus successfully sailed to the West to discover the New World and Ferdinand Magellan’s ship circumnavigated the globe to prove once and for all that the Earth is indeed a sphere. Worldwide navigation and explorations that followed made it clear that the Earth is huge and rather impossible to study solely by foot or by water. The advent of air travel made it a lot easier to do exploratory studies and enabled the mapping of the boundaries of continents and the oceans. But aircraft coverage was limited and it was not until the satellite era that full c- erage of the Earth’s surface became available. Many of the early satellites were research satellites and that meant in part the development of engineering measurement systems with no definite applications in mind. The Nimbus-5 Electrically Scanning Microwave Radiometer (ESMR) was a classic case in point. The sensor was built with the idea that it may be useful for meteorological research and especially rainfall studies over the oceans, but success in this area of study was very limited.
Goals And Priorities To Guide United States Arctic Research
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Author : United States. Arctic Research Commission
language : en
Publisher:
Release Date : 1995
Goals And Priorities To Guide United States Arctic Research written by United States. Arctic Research Commission and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1995 with Arctic regions categories.