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  • 1
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    Remote sensing of sea ice motion (1973)
    In:  CASI
    Details
    Publication Date: 2006-03-26
    Description: Remote sensing by ERTS-1 provides overlapping coverage on sequential days of dynamic changes in Arctic Sea ice and allows for route planning of shipping in the polar region.
    Keywords: GEOPHYSICS
    Type: Significant Accomplishments in Sci.; p 182-186
    Format: text
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    NASA TECHNICAL REPORTS
  • 2
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    New dimensions in satellite hydrology (1974)
    In:  Other Sources
    Details
    Publication Date: 2011-08-16
    Description: Consideration of the use of remote sensing technology applied from satellites to obtain information for the rapid and continuing assessment of the hydrologic cycle. A detailed account is given of the hydrological information made available through the activities of the ERTS-1 satellite, an experimental satellite entirely devoted to earth resources observations, and the NOAA-2 satellite, a high-resolution operational environmental satellite. Following a description of the satellites and their payloads, it is shown how with their aid information can be obtained regarding atmospheric moisture, surface water and snow cover, glaciers, potential flood situations, and subsurface water fluctuations. In addition, the use of the ERTS-1 and NOAA-2 satellites in watershed characterization and modeling and in monitoring water quality is discussed.
    Keywords: GEOPHYSICS
    Type: vol. 55; July 197
    Format: text
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    NASA TECHNICAL REPORTS
  • 3
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    Water resources (1973)
    In:  CASI
    Details
    Publication Date: 2014-09-04
    Description: The application of ERTS-1 imagery to the conservation and control of water resources is discussed. The effects of exisiting geology and land use in the water shed area on the hydrologic cycle and the general characteristics of runoff are described. The effects of floods, snowcover, and glaciers are analyzed. The use of ERTS-1 imagery to map surface water and wetland areas to provide rapid inventorying over large regions of water bodies is reported.
    Keywords: GEOPHYSICS
    Type: Symp. on Significant Results obtained from the ERTS-1, Vol.; p 115-126
    Format: text
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    NASA TECHNICAL REPORTS
  • 4
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    Application of ERTS-1 Imagery to Flood Inundation Mapping (1973)
    In:  CASI
    Details
    Publication Date: 2014-09-04
    Description: Ground data and a variety of low-altitude multispectral imagery were acquired for the East Nishnabotna River on September 14 and 15. This successful effort concluded that a near-visible infrared sensor could map inundated areas in late summer for at least three days after flood recession. ERTS-1 multispectral scanner subsystem (MSS) imagery of the area was obtained on September 18 and 19. Analysis of MSS imagery by IGSRSL, USGS, and NASA reinforced the conclusions of the low-altitude study while increasing the time period critical for imagery acquisition to at least 7 days following flood recession. The capability of satellite imagery to map late summer flooding at a scale of 1:250,000 is exhibited by the agreement of interpreted flood boundaries obtained from ERTS-1 imagery to boundaries mapped by low-altitude imagery and ground methods.
    Keywords: GEOPHYSICS
    Type: Symp. on Significant Results obtained from the ERTS-1, Vol. 2; p 51-70
    Format: text
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    NASA TECHNICAL REPORTS
  • 5
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    ERTS-1 flood hazard studies in the Mississippi River Basin (1974)
    In:  CASI
    Details
    Publication Date: 2019-06-27
    Description: The Spring 1973 Mississippi River flood was investigated using remotely sensed data from ERTS-1. Both manual and automatic analyses of the data indicate that ERTS-1 is extremely useful as a regional tool for flood and floodplain management. The maximum error of such flood area measurements is conservatively estimated to be less than five percent. Change detection analysis indicates that the flood had major impacts on soil moisture, land pattern stability, and vegetation stress. Flood hazard identification was conducted using photointerpretation techniques in three study areas along the Mississippi River using pre-flood ERTS-1 imagery down to 1:100,000 scale. Flood prone area boundaries obtained from ERTS-1 were generally in agreement with flood hazard maps produced by the U.S. Army Corps of Engineers and the U.S. Geological Survey although the latter are somewhat more detailed because of their larger scale. Initial results indicate that ERTS-1 digital mapping of the flood-prone areas can be performed at least 1:62,500 which is comparable to conventional flood hazard map scales.
    Keywords: GEOPHYSICS
    Type: PAPER-W10 , 3d ERTS-1 Symp., Vol. 1, Sect. B; p 1127-1166
    Format: text
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    NASA TECHNICAL REPORTS
  • 6
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    Flood hazards studies in the Mississippi River basin using remote sensing (1974)
    In:  CASI
    Details
    Publication Date: 2019-06-27
    Description: The Spring 1973 Mississippi River flood was investigated using remotely sensed data from ERTS-1. Both manual and automatic analyses of the data indicated that ERTS-1 is extremely useful as a regional tool for flood mamagement. Quantitative estimates of area flooded were made in St. Charles County, Missouri and Arkansas. Flood hazard mapping was conducted in three study areas along the Mississippi River using pre-flood ERTS-1 imagery enlarged to 1:250,000 and 1:100,000 scale. Initial results indicate that ERTS-1 digital mapping of flood prone areas can be performed at 1:62,500 which is comparable to some conventional flood hazard map scales.
    Keywords: GEOPHYSICS
    Type: NASA-TM-X-70682 , X-913-74-125
    Format: application/pdf
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    NASA TECHNICAL REPORTS
  • 7
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    Hydrologic applications of Nimbus 5 ESMR data (1974)
    In:  CASI
    Details
    Publication Date: 2019-06-27
    Description: A region of low brightness temperature lying along the Mississippi River from Cairo, Illinois, to Morganza, Louisiana was observed in early Nimbus 5 Electrically Scanning Microwave Radiometer images. This region, which generally corresponds to an outwash aquifer in the Mississippi Valley, had brightness temperatures, at times as much as 40 K below the surrounding (drier) older uplands. Fluctuations of as much as 30 K were observed during the time interval 15 December 1972 to 28 February 1973. Comparison images taken from the Earth Resources Technology Satellite indicate that the study area is aligned with the Mississippi River floodplain, a region of potentially high soil moisture content. The brightness temperature fluctuations were compared with variations in precipitation and other hydrologic parameters in order to delineate the causative factors.
    Keywords: GEOPHYSICS
    Type: NASA-TM-X-70614 , X-910-74-51
    Format: application/pdf
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  • 8
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    ERTS-1 applications in hydrology and water resources (1973)
    In:  CASI
    Details
    Publication Date: 2019-07-13
    Description: After having been in orbit for less than one year, the Earth Resources Technology Satellite (ERTS-1) has shown that it provides very applicable data for more effective monitoring and management of surface water features over the globe. Mapping flooded areas, snowcover, and wetlands and surveying the size, type, and response of glaciers to climate are among the specific areas where ERTS-1 data were applied. In addition the data collection system has proven to be a reliable tool for gathering hydrologic data from remote regions. Turbidity variations in lakes and rivers were also observed and related to shoreline erosion, industrial plant effluent, and overall water quality.
    Keywords: GEOPHYSICS
    Type: NASA-TM-X-66237 , X-650-73-131 , Ann. Conf. of the Am. Water Work Assoc; May 13, 1973 - May 18, 1973
    Format: application/pdf
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    NASA TECHNICAL REPORTS
  • 9
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    Water Resources (1973)
    In:  CASI
    Details
    Publication Date: 2019-07-13
    Description: Water resources survey, management, and control by means of ERTS-1 data - Conference
    Keywords: GEOPHYSICS
    Type: E73-10254 , NASA-TM-X-68941 , Symp. on Significant Results Obtained from ERTS-1; Mar 05, 1973 - Mar 09, 1973; New Carrollton, MD; United States
    Format: application/pdf
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    NASA TECHNICAL REPORTS
  • 10
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    Repetitive ERTS-1 observations of surface water variability along rivers and other low lying areas (1973)
    In:  CASI
    Details
    Publication Date: 2019-07-13
    Description: There are no author-identified significant results in this report.
    Keywords: GEOPHYSICS
    Type: E73-10046 , NASA-TM-X-68938 , Remote Sensing of Water Resources Intern. Symp. of the Am. Water Resource Assoc; Jun 11, 1973 - Jun 14, 1973; New Orleans; United States
    Format: application/pdf
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