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Author: United States. General Accounting Office
Publisher:
ISBN:
Category : Astronautics in earth sciences
Languages : en
Pages : 54
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Book Description
Author: United States. General Accounting Office
Publisher:
ISBN:
Category : Astronautics in earth sciences
Languages : en
Pages : 54
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Book Description
Author: National Research Council
Publisher: National Academies Press
ISBN: 0309290015
Category : Science
Languages : en
Pages : 77
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Book Description
In 1972 NASA launched the Earth Resources Technology Satellite (ETRS), now known as Landsat 1, and on February 11, 2013 launched Landsat 8. Currently the United States has collected 40 continuous years of satellite records of land remote sensing data from satellites similar to these. Even though this data is valuable to improving many different aspects of the country such as agriculture, homeland security, and disaster mitigation; the availability of this data for planning our nation\'s future is at risk. Thus, the Department of the Interior\'s (DOI\'s) U.S. Geological Survey (USGS) requested that the National Research Council\'s (NRC\'s) Committee on Implementation of a Sustained Land Imaging Program review the needs and opportunities necessary for the development of a national space-based operational land imaging capability. The committee was specifically tasked with several objectives including identifying stakeholders and their data needs and providing recommendations to facilitate the transition from NASA\'s research-based series of satellites to a sustained USGS land imaging program. Landsat and Beyond: Sustaining and Enhancing the Nation's Land Imaging Program is the result of the committee\'s investigation. This investigation included meetings with stakeholders such as the DOI, NASA, NOAA, and commercial data providers. The report includes the committee\'s recommendations, information about different aspects of the program, and a section dedicated to future opportunities.
Author: Geological Survey (U.S.)
Publisher:
ISBN:
Category : Aerial photography
Languages : en
Pages : 28
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Author:
Publisher:
ISBN:
Category : Astronautics in earth sciences
Languages : en
Pages : 758
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Author: National Research Council
Publisher: National Academies Press
ISBN: 0309069823
Category : Science
Languages : en
Pages : 104
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Book Description
Remote observations of Earth from space serve an extraordinarily broad range of purposes, resulting in extraordinary demands on those at the National Aeronautics and Space Administration (NASA), the National Oceanic and Atmospheric Administration (NOAA), and elsewhere who must decide how to execute them. In research, Earth observations promise large volumes of data to a variety of disciplines with differing needs for measurement type, simultaneity, continuity, and long-term instrument stability. Operational needs, such as weather forecasting, add a distinct set of requirements for continual and highly reliable monitoring of global conditions. The Role of Small Satellites in NASA and NOAA Earth Observation Programs confronts these diverse requirements and assesses how they might be met by small satellites. In the past, the preferred architecture for most NASA and NOAA missions was a single large spacecraft platform containing a sophisticated suite of instruments. But the recognition in other areas of space research that cost-effectiveness, flexibility, and robustness may be enhanced by using small spacecraft has raised questions about this philosophy of Earth observation. For example, NASA has already abandoned its original plan for a follow-on series of major platforms in its Earth Observing System. This study finds that small spacecraft can play an important role in Earth observation programs, providing to this field some of the expected benefits that are normally associated with such programs, such as rapid development and lower individual mission cost. It also identifies some of the programmatic and technical challenges associated with a mission composed of small spacecraft, as well as reasons why more traditional, larger platforms might still be preferred. The reasonable conclusion is that a systems-level examination is required to determine the optimum architecture for a given scientific and/or operational objective. The implied new challenge is for NASA and NOAA to find intra- and interagency planning mechanisms that can achieve the most appropriate and cost-effective balance among their various requirements.
Author: United States. President
Publisher:
ISBN:
Category : Aeronautics
Languages : en
Pages : 430
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Author: United States. President
Publisher:
ISBN:
Category : Aeronautics
Languages : en
Pages : 768
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Author: Geological Survey (U.S.)
Publisher:
ISBN:
Category : Cartography
Languages : en
Pages : 2
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Author:
Publisher:
ISBN:
Category : Aeronautics
Languages : en
Pages : 772
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Author: United States. General Accounting Office
Publisher:
ISBN:
Category : Finance, Public
Languages : en
Pages : 686
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