Earth Observations and the Polar Platform PDF Download
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Author: John H. McElroy
Publisher:
ISBN:
Category : Astronautics in earth sciences
Languages : en
Pages : 24
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Book Description
Author: John H. McElroy
Publisher:
ISBN:
Category : Astronautics in earth sciences
Languages : en
Pages : 24
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Book Description
Author: John H. McElroy
Publisher:
ISBN:
Category : Astronautics in earth sciences
Languages : en
Pages : 172
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Book Description
Author:
Publisher:
ISBN:
Category : Meteorological satellites
Languages : en
Pages : 296
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Book Description
Author:
Publisher:
ISBN:
Category : Aeronautics
Languages : en
Pages : 292
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Book Description
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. National Aeronautics and Space Administration
Publisher:
ISBN:
Category :
Languages : en
Pages : 752
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Book Description
Author:
Publisher:
ISBN:
Category : Large space structures (Astronautics)
Languages : en
Pages : 326
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Book Description
Author: Frank J. Smigielski
Publisher:
ISBN:
Category : Cyclone forecasting
Languages : en
Pages : 72
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Book Description
Author:
Publisher:
ISBN:
Category : Space stations
Languages : en
Pages : 252
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Book Description
Author: Eric Charles Barrett
Publisher: Routledge
ISBN:
Category : Science
Languages : en
Pages : 264
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Book Description
Traditional means of data gathering are inadequate for present purposes in hydrology and water management. Thus, hydrologists are urgently seeking new ways for supplementing their conventional data supplies. Satellite remote sensing is being explored increasingly as one possible answer to such data acquisition problems, both because of its perceived facility for providing greatly improved space and time coverage of key hydrological observation systems; and because the technologies of data acquisiton, transmission and processing have become more advanced and more capable. Although the use of remote sensing - especially from satellites - is currently less well developed in these contexts than in support of many other Earth resource and environmental sciences, much successful hydrological research has already been based upon satellite data and in limited but important ways satellite data have already begun to be used in water monitoring and management operations.
