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  • 1
    Publication Date: 2006-03-23
    Description: A prototype multiparameter data acquisition network, installed and operated by the U.S. Geological Survey is a viable approach for obtaining near real-time data needed to solve hydrologic problems confronting nearly 2.5 million residents of south Florida. Selected water quantity and quality data obtained from ground stations are transmitted for relay via ERTS-1 to NASA receiving stations in virtual real time. This data relay system has been very reliable and, by coupling the ground information with ERTS imagery, a modeling technique is available for water resource management in south Florida. An ecological model has been designed for the Shark River Slough in Everglades National Park.
    Keywords: GEOPHYSICS
    Type: NASA. Goddard Space Flight Center 3d ERTS-1 Symp., Vol. 1, Sect. B; p 1071-1088
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  • 2
    Publication Date: 2011-08-16
    Description: Remote aerial sensing and multispectral data processing for hydrobiological survey in Florida
    Keywords: GEOPHYSICS
    Type: NASA. MANNED SPACECRAFT CENTER 2D ANN. EARTH RESOURCES AIRCRAFT PROGRAM STATUS REV., VOL. 3 1969 (SEE N71-11151 02-13)
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  • 3
    Publication Date: 2011-08-16
    Description: Aerial photography as technique for remote sensing of hydrobiological features in swamp and coastal regions
    Keywords: GEOPHYSICS
    Type: NASA. MANNED SPACECRAFT CENTER EARTH RESOURCES AIRCRAFT PROGRAM STATUS REV., VOL. 3 1968 (SEE N71-16166 06-13)
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  • 4
    Publication Date: 2016-06-07
    Description: Progress made in the development of a technique for identifying and delinating benthic and shoreline communities using multispectral imagery is described. Images were collected with a multispectral scanner system mounted in a C-47 aircraft. Concurrent with the overflight, ecological ground- and sea-truth information was collected at 19 sites in the bay and on the shore. Preliminary processing of the scanner imagery with a CDC 1604 digital computer provided the optimum channels for discernment among different underwater and coastal objects. Automatic mapping of the benthic plants by multiband imagery and the mapping of isotherms and hydrodynamic parameters by digital model can become an effective predictive ecological tool when coupled together. Using the two systems, it appears possible to predict conditions that could adversely affect the benthic communities. With the advent of the ERTS satellites and space platforms, imagery data could be obtained which, when used in conjunction with water-level and meteorological data, would provide for continuous ecological monitoring.
    Keywords: GEOPHYSICS
    Type: NASA. Manned Spacecraft Center 3d Ann. Earth Resources Program Rev., Vol. 3; 16 p
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  • 5
    Publication Date: 2016-06-07
    Description: In 1970, Congress authorized the deepening of the Tampa Bay channel (Rivers and Harbors Act of 1970) from 34 to 44 feet. In order to determine the effects of this deepening on circulation, water quality, and biota, during and after the construction, the U.S. Geological Survey, in cooperation with the Tampa Port Authority, has collected data and developed a digital simulation model of the bay. In addition to data collected using conventional tools, use is being made of data collected from ERTS-1. Return beam vidicon (RBV) multispectral data were collected, while a shell dredging barge was operating in the bay, and used for turbidity recognition and unique spectral signatures representative of type and amount of material in suspension. A three-dimensional concept of the dynamics of the plume was achieved by superimposing the parts of the plume recognized in each RBV band. This provides a background for automatic computer processing of ERTS data and three-dimensional modeling of turbidity plumes.
    Keywords: GEOPHYSICS
    Type: NASA. Goddard Space Flight Center Symp. on Significant Results obtained from the ERTS-1, Vol. 1, Sect. A and B; p 1715-1726
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  • 6
    Publication Date: 2019-06-27
    Description: There are no author-identified significant results in this report.
    Keywords: EARTH RESOURCES AND REMOTE SENSING
    Type: E76-10159 , NASA-CR-146363
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  • 7
    Publication Date: 2019-06-27
    Description: A prototype data acquisition and dissemination network and its effectiveness in improving and/or solving hydrologic problems in southern Florida are evaluated. The network utilized LANDSAT MSS imagery and in situ monitoring by LANDSAT-DCS. Results show water level and rain fall measurements were collected and disseminated in less than two hours, a significant improvement over conventional methods which took up to two months. Improved network performance has also aided the development of water budgets and water distribution to the people, funa, and flora in the area. Imagery from LANDSAT was also found to enhance the utility of ground measurements.
    Keywords: EARTH RESOURCES AND REMOTE SENSING
    Type: W-16 , NASA. Lyndon B. Johnson Space Center NASA Earth Resources Surv. Symp., Vol. 1-D; p 2407-2442
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  • 8
    Publication Date: 2019-06-27
    Description: The techniques used and the results achieved in the successful application of Skylab Multispectral Scanner (EREP S-192) high-density digital tape data for the automatic categorizing and mapping of land-water cover types in the Green Swamp of Florida were summarized. Data was provided from Skylab pass number 10 on 13 June 1973. Significant results achieved included the automatic mapping of a nine-category and a three-category land-water cover map of the Green Swamp. The land-water cover map was used to make interpretations of a hydrologic condition in the Green Swamp. This type of use marks a significant breakthrough in the processing and utilization of EREP S-192 data.
    Keywords: EARTH RESOURCES AND REMOTE SENSING
    Type: E-15 , NASA. Lyndon B. Johnson Space Center. NASA Earth Reseources Survey Symp. Vol. 1-A: Agr., Environment; p 479-506
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  • 9
    Publication Date: 2019-06-27
    Description: The author has identified the following significant results. LANDSAT 1 and Skylab (S192) data from the Green Swamp area of central Florida were categorized into five classes: water, cypress, other wetlands, pine, and pasture. These categories were compared with similar categories on a detailed vegetative map made using low altitude aerial photography. Agreement of LANDSAT and Skylab categorized data with the vegetation map was 87 percent and 83 percent respectively. The Green Swamp vegetative categories may be widespread but often consist of numerous small isolated areas, because LANDSAT has a greater resolution than Skylab, it is more favorable for mapping the small vegetative categories.
    Keywords: EARTH RESOURCES AND REMOTE SENSING
    Type: E76-10485 , NASA-CR-144855 , BSR-4198
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  • 10
    Publication Date: 2019-06-27
    Description: There are no author-identified significant results in this report.
    Keywords: EARTH RESOURCES AND REMOTE SENSING
    Type: E76-10310 , NASA-CR-146558
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