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  • EARTH RESOURCES AND REMOTE SENSING  (1.122)
  • 2005-2009
  • 1980-1984
  • 1975-1979  (1.122)
  • 1975  (1.122)
Sammlung
Schlagwörter
Erscheinungszeitraum
  • 2005-2009
  • 1980-1984
  • 1975-1979  (1.122)
Jahr
  • 1
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    Data availability and the role of the earth resources observation systems data center (1975)
    In:  CASI
    Details
    Publikationsdatum: 2006-01-12
    Beschreibung: With the launch of LANDSAT-1 in July 1972, and the follow-on launch of LANDSAT-2 in January of this year, routine availability of satellite imagery and electronic data of the earth's resources has become a reality. Federal data centers provide LANDSAT data to resource managers and the general public. These data centers have to date provided almost 500,000 frames of LANDSAT data at a cost of more than $2,000,000. Data from the LANDSAT satellite program, along with data and information from the Skylab manned program, are available over any location to anyone for the cost of reproduction.
    Schlagwort(e): EARTH RESOURCES AND REMOTE SENSING
    Materialart: NASA. Lyndon B. Johnson Space Center NASA Earth Resources Survey Symp., Vol. 2-B; p 372-378
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  • 2
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    Remote sensing in Minnesota: Evaluation of programs and current needs (1975)
    In:  CASI
    Details
    Publikationsdatum: 2006-01-12
    Beschreibung: Aerial photographs of the entire state were used to develop information on geomorphic regions, land ownership, forest cover, soils, geology, land classification and land capability. LANDSAT imagery was included to update many photomaps for land use classification and urban development planning.
    Schlagwort(e): EARTH RESOURCES AND REMOTE SENSING
    Materialart: NASA. Lyndon B. Johnson Space Center NASA Earth Resources Survey Symp., Vol. 2-B; p 340-350
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  • 3
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    Alaska's needs in remote sensing (1975)
    In:  CASI
    Details
    Publikationsdatum: 2006-01-12
    Beschreibung: Joint Federal/State remote data sensing centers are advocated to help survey Alaska for land use planning by aerial photography and LANDSAT imagery. The centers are to provide satellite derived information in land use planning and offshore oil developments.
    Schlagwort(e): EARTH RESOURCES AND REMOTE SENSING
    Materialart: NASA. Lyndon B. Johnson Space Center NASA Earth Resources Survey Symp., Vol. 2-B; p 315-318
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  • 4
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    The use of satellite data for regional planning (1975)
    In:  CASI
    Details
    Publikationsdatum: 2006-01-12
    Beschreibung: The experience of the Ohio-Kentucky-Indiana Regional Council of Governments in its development of a regional land use inventory from computer processing of LANDSAT 1 digital tapes and the use of those data in the OKI water quality planning program are discussed. A major part of the planning program is the prediction of water quality in rivers and lakes resulting from existing and future land uses. A model has been developed that can predict the flow of sediment, total phosphorus, total nitrogen, and organic wastes into major streams. An essential input to this model is an accurate map of land use derived from LANDSAT 1 digital tapes.
    Schlagwort(e): EARTH RESOURCES AND REMOTE SENSING
    Materialart: NASA. Lyndon B. Johnson Space Center NASA Earth Resources Survey Symp., Vol. 2-B; p 356-358
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  • 5
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    User requirements for project-oriented remote sensing (1975)
    In:  CASI
    Details
    Publikationsdatum: 2006-01-12
    Beschreibung: Registration of remotely sensed data to geodetic coordinates provides for overlay analysis of land use data. For aerial photographs of a large area, differences in scales, dates, and film types are reconciled, and multispectral scanner data are machine registered at the time of acquisition.
    Schlagwort(e): EARTH RESOURCES AND REMOTE SENSING
    Materialart: NASA. Lyndon B. Johnson Space Center NASA Earth Resources Survey Symp., Vol. 2-B; p 319-325
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  • 6
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    Oilspill surveillance, detection, and evaluation by remote sensing (1975)
    In:  CASI
    Details
    Publikationsdatum: 2006-01-12
    Beschreibung: Aerial and fixed platform oil spill detection systems primarily utilize remote sensors for data acquisition and pollution monitoring purposes. In addition to aerial photography and infrared reflectance sensors, a laser backscatter sensor and an ultraviolet fluorescence sensor are considered for application in pollution surveillance systems.
    Schlagwort(e): EARTH RESOURCES AND REMOTE SENSING
    Materialart: NASA. Lyndon B. Johnson Space Center NASA Earth Resources Survey Symp., Vol. 2-B; p 271-279
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  • 7
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    Remote measurement of shoreline changes in coastal Alabama (1975)
    In:  CASI
    Details
    Publikationsdatum: 2006-01-12
    Beschreibung: It is shown that remotely sensed data, whether in digital or imagery form, provide objective, systematic measurements of coastal zone characteristics when compared with traditional measurement techniques. An example is given for Alabama shoreline parameters using LANDSAT 1 composite mapping.
    Schlagwort(e): EARTH RESOURCES AND REMOTE SENSING
    Materialart: NASA. Lyndon B. Johnson Space Center NASA Earth Resources Survey Symp., Vol. 2-B; p 224-231
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  • 8
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    South Louisiana remote-sensing environmental information system (1975)
    In:  CASI
    Details
    Publikationsdatum: 2006-01-12
    Beschreibung: Satellite gathered remote sensor data were used to update a basic environmental atlas of southern Louisiana to reflect recent dynamic geological changes, such as erosion by wave action along the coast and active delta building in the lower part of the Mississippi Basin. Standard pattern recognition programs were utilized to update LANDSAT pictures for three categories (generalized land use, ecological zones and vegetation) to obtain a simulated color photomap for LANDSAT frames for further rectification by a table lookup program.
    Schlagwort(e): EARTH RESOURCES AND REMOTE SENSING
    Materialart: NASA Earth Resources Survey Symp., Vol. 2-B; p 217-223
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  • 9
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    Louisiana comprehensive planning information system (1975)
    In:  CASI
    Details
    Publikationsdatum: 2006-01-12
    Beschreibung: A statewide computerized land use mapping system is reported that uses polygons to identify inventories from aerial photography by employing the USGS classification system. In addition, the system provides soil, population, and housing census data as well as economic indicators that can be useful in relating to the overall system.
    Schlagwort(e): EARTH RESOURCES AND REMOTE SENSING
    Materialart: NASA. Lyndon B. Johnson Space Center NASA Earth Resources Survey Symp., Vol. 2-B; p 326-339
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  • 10
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    Remote sensing in Arizona (1975)
    In:  CASI
    Details
    Publikationsdatum: 2006-01-12
    Beschreibung: Orthophotoquads prepared from high altitude photography and LANDSAT imagery were utilized for land use mapping and urban development planning. LANDSAT imagery of rough terrains were evaluated by photographic projection on a viewer screen for enlargement of details.
    Schlagwort(e): EARTH RESOURCES AND REMOTE SENSING
    Materialart: NASA. Lyndon B. Johnson Space Center NASA Earth Resources Survey Symp., Vol. 2-B; p 300-314
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  • 11
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    Status of coastal zone management techniques (1975)
    In:  CASI
    Details
    Publikationsdatum: 2006-01-12
    Beschreibung: Remote panchromatic imagery was applied to develop a coastal zone management atlas that provides for land cover or vegetation surveys as well as land use stereographic mapping for regional planning purposes.
    Schlagwort(e): EARTH RESOURCES AND REMOTE SENSING
    Materialart: NASA Earth Resources Survey Symp., Vol. 2-B; p 173-175
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  • 12
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    Remote-sensing applications in the State of Mississippi (1975)
    In:  CASI
    Details
    Publikationsdatum: 2006-01-12
    Beschreibung: A computer derived land use classification scheme for infrared LANDSAT imagery was developed and applied to update existing Mississippi coastline data. Inventory classifications were accomplished by photographic enlargement and photointerpretations showing color coded resources on the ground.
    Schlagwort(e): EARTH RESOURCES AND REMOTE SENSING
    Materialart: NASA. Lyndon B. Johnson Space Center NASA Earth Resources Survey Symp., Vol. 2-B; p 282-290
    Format: text
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  • 13
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    Remote-sensing applications as utilized in Florida's coastal zone management program (1975)
    In:  CASI
    Details
    Publikationsdatum: 2006-01-12
    Beschreibung: Land use maps were developed from photomaps obtained by remote sensing in order to develop a comprehensive state plan for the protection, development, and zoning of coastal regions. Only photographic remote sensors have been used in support of the coastal council's planning/management methodology. Standard photointerpretation and cartographic application procedures for map compilation were used in preparing base maps.
    Schlagwort(e): EARTH RESOURCES AND REMOTE SENSING
    Materialart: NASA. Lyndon B. Johnson Space Center NASA Earth Resources Survey Symp., Vol. 2-B; p 232-241
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  • 14
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    California nearshore surface currents (1975)
    In:  CASI
    Details
    Publikationsdatum: 2006-01-12
    Beschreibung: During the oceanic period from July to November, the southward flowing California current dominates the nearshore current patterns. Commencing about the middle of November and extending to mid-February, the Davidson current, a northward moving countercurrent, is the dominant inshore transporter of water and suspensates. The phenomenon of upwelling is prevalent during the period from the middle of February to the end of July. Thus, every year along the coast of California, there are three successive current seasons: the oceanic, the Davidson, and the upwelling. This paper is a discussion of the nature of these nearshore currents. In addition, the capabilities of various remote sensing platforms and systems for providing methods of monitoring the coastal processes associated with the current seasons of California are demonstrated herein.
    Schlagwort(e): EARTH RESOURCES AND REMOTE SENSING
    Materialart: NASA. Lyndon B. Johnson Space Center NASA Earth Resources Survey Symp., Vol. 2-B; p 195-216
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  • 15
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    Information flow of land and water-related data in the State of Wisconsin (1975)
    In:  CASI
    Details
    Publikationsdatum: 2006-01-12
    Beschreibung: Digital data from the infrared LANDSAT imagery were used to classify eutrophication levels of lakes in an effort to observe the effect of thermal discharges from power stations. LANDSAT data were also applied to identify and monitor wetlands, for soil surveys, sedimentation transport, and in general to assist in land use planning and resources management.
    Schlagwort(e): EARTH RESOURCES AND REMOTE SENSING
    Materialart: NASA. Lyndon B. Johnson Space Center NASA Earth Resources Survey Symp., Vol. 2-B; p 291-296
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  • 16
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    Applications of remote-sensing technology to environmental problems of Delaware and Delaware Bay (1975)
    In:  CASI
    Details
    Publikationsdatum: 2006-01-12
    Beschreibung: Digital processing of multispectral LANDSAT data was used to develop a computerized model for predicting oil slick movement within the Delaware Bay. LANDSAT imagery was also used to monitor offshore waste disposal sites for mapping of wetlands, and charting of tidal currents.
    Schlagwort(e): EARTH RESOURCES AND REMOTE SENSING
    Materialart: NASA. Lyndon B. Johnson Space Center NASA Earth Resources Survey Symp., Vol. 2-B; p 188-194
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  • 17
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    Information needs: Perceived and real for state decisionmakers (1975)
    In:  CASI
    Details
    Publikationsdatum: 2006-01-12
    Beschreibung: Remote sensing techniques provide important information for land and water use planning organizations in order to assess coastal developments and their impact on water resources, sediment transport, erosion, and marine biology. Political expediency requires pertinent data acquisition and data dissemination to local populations for coastal zone management decision making.
    Schlagwort(e): EARTH RESOURCES AND REMOTE SENSING
    Materialart: NASA Earth Resources Survey Symp., Vol. 2-B; p 176-187
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  • 18
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    Coast Guard/NOAA/NASA Great Lakes Project Icewarn (1975)
    In:  CASI
    Details
    Publikationsdatum: 2006-01-12
    Beschreibung: The operational feasibility of using remote sensing to provide all weather ice formation for Great Lakes winter navigation is explored. A combination airborne pulsed radar system to measure actual ice thickness, a satellite data link system, and a hand drawn interpretive ice chart proved valuable for extending winter navigation through the icepack.
    Schlagwort(e): EARTH RESOURCES AND REMOTE SENSING
    Materialart: NASA Earth Resources Survey Symp., Vol. 2-B; p 261-270
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  • 19
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    Remote sensing in the State of Ohio. 1. Public policy. 2. System development (1975)
    In:  CASI
    Details
    Publikationsdatum: 2006-01-12
    Beschreibung: Different types of satellite and conventional remote sensing data are used to monitor urban growth and the pattern of development. Software programs were developed for a growth allocation model that uses LANDSAT information as the basic component.
    Schlagwort(e): EARTH RESOURCES AND REMOTE SENSING
    Materialart: NASA. Lyndon B. Johnson Space Center NASA Earth Resources Survey Symp., Vol. 2-B; p 351-355
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  • 20
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    Remote-sensing applications for Texas (1975)
    In:  CASI
    Details
    Publikationsdatum: 2006-01-12
    Beschreibung: The earth resources remote sensing activity of Texas and its applications are reported. A combination of digital, photographic, and traditional methods is being used to manage the water impoundments inventory, a land use survey, a wildlife habitat survey, and a coastal zone survey.
    Schlagwort(e): EARTH RESOURCES AND REMOTE SENSING
    Materialart: NASA. Lyndon B. Johnson Space Center NASA Earth Resources Survey Symp., Vol. 2-B; p 297-299
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  • 21
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    Remote sensing, a sketch of the technology (1975)
    In:  CASI
    Details
    Publikationsdatum: 2006-01-12
    Beschreibung: Information is provided on how a potential user of remote sensing technology can gain access to all of the products and services he will need to get started. It was envisioned that these include data, training, hardware, and software. A very brief tutorial summary of the fundamentals of the technology is presented.
    Schlagwort(e): EARTH RESOURCES AND REMOTE SENSING
    Materialart: NASA. Lyndon B. Johnson Space Center NASA Earth Resources Survey Symp., Vol. 2-B; p 367-370
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  • 22
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    Policy implications in developing a land use management information systems (1975)
    In:  CASI
    Details
    Publikationsdatum: 2006-01-12
    Beschreibung: The current land use map for the city of Los Angeles was developed by the guesstimation process and provides single stage information for each level in the critical geographical hierarchy for land use planning management. Processing and incorporation of LANDSAT data in the land use information system requires special funding; however, computergraphic maps are able to provide a viable information system for city planning and management.
    Schlagwort(e): EARTH RESOURCES AND REMOTE SENSING
    Materialart: NASA. Lyndon B. Johnson Space Center NASA Earth Resources Survey Symp., Vol. 2-B; p 359-365
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  • 23
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    Information/user services, summary (1975)
    In:  Other Sources
    Details
    Publikationsdatum: 2011-08-16
    Beschreibung: Various aspects of the technology which are available to users now are described. Specific topics discussed include: data distribution: availability of and access to data; technology transfer: system use illustrations and availability of training; hardware systems descriptions: processing hardware constructed and available; data processing techniques: individual processing techniques; and future developments: a sampling of future technology.
    Schlagwort(e): EARTH RESOURCES AND REMOTE SENSING
    Materialart: NASA. Lyndon B. Johnson Space Center NASA Earth Resources Survey Symp., Vol. 2-A; p 123-127
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  • 24
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    The Large Area Crop Inventory Experiment (LACIE). Part 2: Yield estimates from meteorological information (1975)
    In:  Other Sources
    Details
    Publikationsdatum: 2011-08-16
    Beschreibung: Crop-weather models developed for wheat from an assembled base of approximately 45 years of climatic records and historic wheat yield and production data at the stratum level are described. Utilization of meteorological data acquired by the NOAA satellites is discussed.
    Schlagwort(e): EARTH RESOURCES AND REMOTE SENSING
    Materialart: NASA. Lyndon B. Johnson Space Center NASA Earth Resources Survey Symp., Vol. 2-A; p 63-65
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  • 25
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    Department of the Interior program (1975)
    In:  Other Sources
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    Publikationsdatum: 2011-08-16
    Beschreibung: The remote sensing activities of the Department of Interior are summarized. The use of satellite imagery in land and water management is described. Specific topics discussed include: land use mapping, exploration and discovery of metal, oil, and gas deposits, location of geological faults, and repetitive monitoring of dynamic environmental phenomena related to water resources.
    Schlagwort(e): EARTH RESOURCES AND REMOTE SENSING
    Materialart: NASA. Lyndon B. Johnson Space Center NASA Earth Resources Survey Symp., Vol. 2-A; p 33-36
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  • 26
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    Lack of agreement over the use and ownership of the internationally shared resources (such as air space, outer space and the oceans) leading to international conflict (1975)
    In:  Other Sources
    Details
    Publikationsdatum: 2011-08-16
    Beschreibung: The lack of adequate institutional mechanisms to regulate, monitor and govern the use of commonly owned world resources appears to be politically destabilizing and subject to socioeconomic pressures of overpopulation, food shortages, cartelism, terrorism, and wealth distribution to developing countries. The capacity and propensity to wage war and its potential consequences are elaborated. It is shown that technology is one of the dominant factors affecting the exploration and management of commonly shared resources.
    Schlagwort(e): EARTH RESOURCES AND REMOTE SENSING
    Materialart: The Future Environment; 29 p
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  • 27
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    Applications of ERTS imagery to mappings sediments of the Twin Cities Metropolitan area (1975)
    In:  Other Sources
    Details
    Publikationsdatum: 2011-08-16
    Beschreibung: ERTS images were compared to surficial geologic maps, prepared through traditional field studies. Lithologic boundaries, bedrock outcrops, bedrock structures, and geomorphologic features were examined. An area southeast of the Twin Cities, located chiefly in northern Dakota County was studied, as well as the New Brighton 15-minute quadrangle located in portions of Ramsey and Anoka Counties. Visual comparison of geologic maps and ERTS imagery demonstrated the limitations of this approach to geological investigations. Bedrock outcrops and bedrock structure in the metropolitan area do not appear on ERTS imagery. However, certain glacial sediments can be identified and are potentially mappable. Certain geomorphological features were also discernable.
    Schlagwort(e): EARTH RESOURCES AND REMOTE SENSING
    Materialart: Minn. Univ. A study of Minn. Forests and Lakes using Data from Earth Resources Technol. Satellites; 30 p
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  • 28
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    Remote sensing applications to hydrology in Minnesota (1975)
    In:  Other Sources
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    Publikationsdatum: 2011-08-16
    Beschreibung: Development of low lying southeastern shore of Pike Lake is described as part of the Rice Creek watershed study. Several small wetlands in Arden Hills, Minnesota were incorporated into the drainage plans as pollutant and nutrient sinks rather than being infilled. Lake water quality in the St. Paul-Minneapolis metropolitan area was analyzed using Landsat images. In the same urban area, the inventory and seasonal change of the open water were also studied.
    Schlagwort(e): EARTH RESOURCES AND REMOTE SENSING
    Materialart: A Study of Minn. Forests and Lakes using Data from Earth Resources Technol. Satellites; 66 p
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  • 29
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    The utility of surface temperature measurements for the remote sensing of surface soil water status (1975)
    In:  Other Sources
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    Publikationsdatum: 2011-08-16
    Beschreibung: Experiments carried out on an Avondale loam soil indicated that the thermal inertia concept of soil water content detection is reasonably sound. The volumetric water contents of surface soil layers between 2 and 4 cm thick were found to be linear functions of the amplitude of the diurnal surface soil temperature wave for clear day-night periods. They were also found to be linear functions of the daily maximum value of the surface soil-air-temperature differential. Tests on three additional soils ranging from sandy loam to clay indicated that the relations determined for Avondale loam could not be accurately applied to these other soil types. When the moisture characteristic curves of each soil were used to transform water contents into pressure potentials, however, it was found that soil water pressure potential could be determined without prior knowledge of soil type, and thus its value as a potential soil water status survey tool was significantly enhanced.
    Schlagwort(e): EARTH RESOURCES AND REMOTE SENSING
    Materialart: Journal of Geophysical Research; 80; July 20
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  • 30
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    Landsat inventory of surface-mined areas using extendable digital techniques (1975)
    In:  Other Sources
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    Publikationsdatum: 2011-08-18
    Schlagwort(e): EARTH RESOURCES AND REMOTE SENSING
    Materialart: Army Eng. Topographic Labs. Workshop for Environmental Applications of Multispectral Imagery; p 253-272
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  • 31
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    Computer mapping of Landsat data for environmental applications (1975)
    In:  Other Sources
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    Publikationsdatum: 2011-08-18
    Schlagwort(e): EARTH RESOURCES AND REMOTE SENSING
    Materialart: Army Eng. Topographic Labs. Workshop for Environmental Applications of Multispectral Imagery; p 118-134
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  • 32
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    All you ever wanted to know about remote sensing (1975)
    In:  Other Sources
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    Publikationsdatum: 2011-08-16
    Beschreibung: A brief review of remote sensing state-of-the-art is presented. Emphasis is placed on an understanding of remote sensing terminology. Passive and active sensors and sensor platforms from the spacecraft program to the ground truth program are described.
    Schlagwort(e): EARTH RESOURCES AND REMOTE SENSING
    Materialart: NASA Earth Resources Survey Symp., Vol. 2-A; p 11-28
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  • 33
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    Regional inventories and mapping of land resources and environmental geology using remotely sensed data (1975)
    In:  Other Sources
    Details
    Publikationsdatum: 2011-08-16
    Beschreibung: Black-and-white stereoscopic aerial photographs at a scale of 1:20,000, 1:40,000, and 1:65,000 and controlled aerial photo mosaics at a scale of 1:24,000 were the basic data utilized for most mapping. Color and color infrared aerial photography (1:20,000) was employed to man the barrier islands, and color infrared photography (1:120,000) was used to map sand and mud units of the coastal plain north of Houston. LANDSAT-1 imagery in Bands 4, 5, and 7 (1:250,000) was utilized to examine land use and certain resource units statewide. Side scanning radar and LANDSAT imagery were studied experimentally toward mapping land suitability units in carbonate terranes with high relief and certain other terranes. Large-scale color and color infrared aerial stereoscopic photographs supply the most information for regional mapping. black-and-white photography is the most practical data for mapping because of scale, complete coverage, availability, and relatively low cost.
    Schlagwort(e): EARTH RESOURCES AND REMOTE SENSING
    Materialart: NASA. Lyndon B. Johnson Space Center NASA Earth Resources Surv. Symp., Vol. 1-B; p 1029-1057
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  • 34
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    Multispectral sensing of citrus young tree decline (1975)
    In:  Other Sources
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    Publikationsdatum: 2011-08-16
    Beschreibung: Computer processing of MSS data to identify and map citrus trees affected by young tree decline is analyzed. The data were obtained at 1500-feet altitude in six discrete spectral bands covering regions from 0.53 to 1.3 millimicrons as well as from instrumental ground truths of tree crowns. Measurable spectral reflectance intensity differences are observed in the leaves of healthy and diseased trees, especially at wavelengths of 500 to 600 nm and 700 to 800 nm. The overall accuracy of the method is found to be 89%.
    Schlagwort(e): EARTH RESOURCES AND REMOTE SENSING
    Materialart: Photogrammetric Engineering and Remote Sensing; 41; May 1975
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  • 35
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    Earth resources satellite systems for flood monitoring (1975)
    In:  Other Sources
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    Publikationsdatum: 2011-08-16
    Beschreibung: The environmental satellites NOAA-2 and ERTS-1 observed flooding in United States' rivers such as the Mississippi during 1973. Combination of NOAA-2 observation frequency and the ERTS-1 resolution provides an adequate satellite system for monitoring floods. Several polar-orbiting satellites of the ERTS type could view flooded areas at a reasonably high resolution every three to five days. A high-resolution earth-synchronous satellite would further enhance flood mapping by providing observations whenever clouds are absent.
    Schlagwort(e): EARTH RESOURCES AND REMOTE SENSING
    Materialart: Geophysical Research Letters; 2; Apr. 197
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  • 36
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    Earth observations (1975)
    In:  Other Sources
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    Publikationsdatum: 2011-08-16
    Beschreibung: The development of the Earth Resources Technology Satellites for making earth observations from space is discussed. The programmatic elements of the ERTS program are defined. The specific results of the program which are considered are as follows: (1) analysis of snowmelt runoff, (2) analysis of Mississippi River floods of 1973, (3) global ice surveys with an electrically scanning microwave radiometer, (4) the microwave signature of snow fields, (5) analysis of strip mining activities, (6) sea surface studies using microwave techniques during the Bering Sea experiment, (7) cloud types and measurement of rainfall, and (8) performance of various remote sensors.
    Schlagwort(e): EARTH RESOURCES AND REMOTE SENSING
    Materialart: Significant Accomplishments in Sci. and Technol.; p 179-233
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  • 37
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    EPA requirements and programs (1975)
    In:  Other Sources
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    Publikationsdatum: 2011-08-16
    Beschreibung: The proposed ERTS-DCS system is designed to allow EPA the capability to evaluate, through demonstrable hardware, the effectiveness of automated data collection techniques. The total effectiveness of any system is dependent upon many factors which include equipment cost, installation, maintainability, logistic support, growth potential, flexibility and failure rate. This can best be accomplished by installing the system at an operational environmental control agency (CAMP station) to insure that valid data is being obtained and processed. Consequently, it is imperative that the equipment interface must not compromise the validity of the sensor data nor should the experimental system effect the present operations of the CAMP station. Since both the system which is presently in use and the automatic system would be in operation in parallel, conformation and comparison are readily obtained.
    Schlagwort(e): EARTH RESOURCES AND REMOTE SENSING
    Materialart: NASA. Wallops Station Data Collection System; p 115-120
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  • 38
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    USDI requirements and programs (1975)
    In:  Other Sources
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    Publikationsdatum: 2011-08-16
    Beschreibung: Interior Department plans for the utilization of data collection systems such as the one on ERTS-1 and others scheduled for future use are very briefly discussed. The savings offerred in manpower, acquisition and dissemination of useful data, and the operational potential of data collection systems are described.
    Schlagwort(e): EARTH RESOURCES AND REMOTE SENSING
    Materialart: NASA. Wallops Station Data Collection System; p 101-104
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  • 39
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    NOAA requirements and programs (1975)
    In:  Other Sources
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    Publikationsdatum: 2011-08-16
    Beschreibung: Service programs in NOAA that contemplate using the Geostationary Operational Environmental Satellite (GEOS) Data Collection System (DCS) are considered. The GEOS DCS will be operated by the National Environmental Satellite Service of NOAA as an integral part of the national operation environmental satellite program. This plan is concerned with that part of the GEOS program connected with collection and relay of data from remote locations. Service programs include: (1) hydrological data collection; (2) oceanographic data collection; (3) marine observations from data buoys; (4) Tsunami warning service; and (5) meteorological service.
    Schlagwort(e): EARTH RESOURCES AND REMOTE SENSING
    Materialart: NASA. Wallops Station Data Collection System; p 107-114
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  • 40
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    US Army Corps of Engineers requirements and programs (1975)
    In:  Other Sources
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    Publikationsdatum: 2011-08-16
    Beschreibung: Plans by the Corps of Engineers to utilize data collection systems to support their mission of development, utilization, and conservation of the water resources of the Nation, flood control, water management, hydroelectric power, maintenance of navigable waterways, reservoir construction, and river basin control are briefly addressed.
    Schlagwort(e): EARTH RESOURCES AND REMOTE SENSING
    Materialart: NASA. Wallops Station Data Collection System; p 105-106
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  • 41
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    A summary of ERTS-1 data collection system applications (1975)
    In:  Other Sources
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    Publikationsdatum: 2011-08-16
    Beschreibung: Geographically, applications were made over nearly the entire area where direct readout could be accomplished using the data acquisition stations in the ERTS-1 system. The extreme areas included Iceland, the Canadian Arctic, Alaska, Hawaii and Central America. In the discipline sense the majority of applications were in the water resources area with other applications being formally and informally reported in meteorology, oceanography, volcano surveillance and forestry. Installation and maintenance of the data collection platforms, as is true with nearly all new systems, was not accomplished without difficulty. On the whole, however, it has gone well enough so that it is agreed that it is a system which is amenable to installation in a variety of physical situations and the installation is accomplished with an ease commensurate with eventual use in an operational system.
    Schlagwort(e): EARTH RESOURCES AND REMOTE SENSING
    Materialart: Data Collection System; p 97-100
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  • 42
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    Space data relay systems (1975)
    In:  Other Sources
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    Publikationsdatum: 2011-08-16
    Beschreibung: Significant progress has been achieved in simplifying platform concepts through random access techniques. This is particularly important in applications such as balloons where weight is critical. In applications, where weight restriction may not be a problem, the concept lends itself to uncomplicated designs and low cost. Nevertheless, ordered systems offer inherent advantages in managing data flow which justifies their use. With continuing improvements in technology, particularly low power receivers, ordered systems should become quite competitive with random systems for many applications.
    Schlagwort(e): EARTH RESOURCES AND REMOTE SENSING
    Materialart: Data Collection System; p 73-82
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  • 43
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    ERTS-1 data collection system: Status and performance (1975)
    In:  Other Sources
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    Publikationsdatum: 2011-08-16
    Beschreibung: The Data Collection System flown on the first Earth Resources Technology Satellite (ERTS-1) relays earth resources data from remotely located in-situ sensors to Goddard Space Flight Center. Data is received at Goddard at least twice each day from every sensor installation and is distributed to users (who operate the sensors and transmitters) by mail and teletype. The system consists of a data formatting and transmitting unit, called the Data Collection Platform (DCP), a receiver and a retransmitter aboard ERTS-1; and receiving, demodulating and decoding equipment located at the Goldstone, California and Goddard data acquisition stations. Data is transmitted from the data acquisition stations to the ERTS Control Center at Goddard, then to the NASA (ERTS) Data Processing Facility (NDPF) where it is processed and distributed to users. Experience to date indicates that the design of the ERTS-1 Data Collection System is adequate for operational use for 50% of the users and, with minor modifications, could meet the requirements of 75%. Some users will have to augment the system by other data collection techniques to meet their operational requirements.
    Schlagwort(e): EARTH RESOURCES AND REMOTE SENSING
    Materialart: Data Collection System; p 83-96
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  • 44
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    Auxiliary DCP data acquisition system (1975)
    In:  Other Sources
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    Publikationsdatum: 2011-08-16
    Beschreibung: An airborne DCP Data Aquisition System has been designed to augment the ERTS satellite data recovery system. The DCP's are data collection platforms located at pertinent sites. With the appropriate sensors they are able to collect, digitally encode and transmit environmental parameters to the ERTS satellite. The satellite in turn relays these transmissions to a ground station for processing. The satellite is available for such relay duty a minimum of two times in a 24-hour period. The equipment is to obtain continuous DCP data during periods of unusual environmental activity--storms, floods, etc. Two circumstances contributed to the decision to design such a system; (1) Wallops Station utilizes surveillance aircraft in support of rocket launches and also in support of earth resources activities; (2) the area in which Wallops is located, the Delaware and Chesapeake Bay areas, are fertile areas for DCP usage. Therefore, by developing an airborne DCP receiving station and installing it on aircraft more continuous DCP data can be provided from sites in the surrounding areas at relatively low cost.
    Schlagwort(e): EARTH RESOURCES AND REMOTE SENSING
    Materialart: Data Collection System; p 65-72
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  • 45
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    ERTS-1 DCS technical support provided by Wallops Station (1975)
    In:  Other Sources
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    Publikationsdatum: 2011-08-16
    Beschreibung: Wallops Station accepted the tasks of providing ground truth to several ERTS investigators, operating a DCP repair depot, designing and building an airborne DCP Data Acquisition System, and providing aircraft underflight support for several other investigators. Additionally, the data bank is generally available for use by ERTS and other investigators that have a scientific interest in data pertaining to the Chesapeake Bay area. Working with DCS has provided a means of evaluating the system as a data collection device possibly applicable to ongoing Earth Resources Program activities in the Chesapeake Bay area as well as providing useful data and services to other ERTS investigators. The two areas of technical support provided by Wallops, ground truth stations and repair for DCPs, are briefly discussed.
    Schlagwort(e): EARTH RESOURCES AND REMOTE SENSING
    Materialart: Data Collection System; p 53-56
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  • 46
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    Performance of the ERTS-1 DCS in a prototype volcano surveillance system (1975)
    In:  Other Sources
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    Publikationsdatum: 2011-08-16
    Beschreibung: A prototype volcano surveillance system has been installed on 15 volcanoes in four states and four countries. The need for this system, the techniques used, the method of implementation, the major problems, the results, and the future seen for such a system are briefly reviewed.
    Schlagwort(e): EARTH RESOURCES AND REMOTE SENSING
    Materialart: NASA. Wallops Station Data Collection System; p 31-44
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  • 47
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    USDI DCS technical support: Mississippi Test Facility (1975)
    In:  Other Sources
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    Publikationsdatum: 2011-08-16
    Beschreibung: The objective of the technical support effort is to provide hardware and data processing support to DCS users so that application of the system may be simply and effectively implemented. Technical support at Mississippi Test Facility (MTF) is concerned primarily with on-site hardware. The first objective of the DCP hardware support was to assure that standard measuring apparatus and techniques used by the USGS could be adapted to the DCS. The second objective was to try to standardize the miscellaneous variety of parameters into a standard instrument set. The third objective was to provide the necessary accessories to simplify the use and complement the capabilities of the DCP. The standard USGS sites have been interfaced and are presently operating. These sites are stream gauge, ground water level and line operated quality of water. Evapotranspiration, meteorological and battery operated quality of water sites are planned for near future DCP operation. Three accessories which are under test or development are the Chu antenna, solar power supply and add-on memory. The DCP has proven to be relatively easy to interface with many monitors. The large antenna is awkward to install and transport. The DCS has met the original requirements well; it has and is proving that an operation, satellite-based data collection system is feasible.
    Schlagwort(e): EARTH RESOURCES AND REMOTE SENSING
    Materialart: NASA. Wallops Station Data Collection System; p 57-64
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  • 48
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    Use of ERTS-1 DCS in the management and control of water resources systems (1975)
    In:  Other Sources
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    Publikationsdatum: 2011-08-16
    Beschreibung: The ERTS-1 experimental hydrologic Data Collection Platform System that has been established at the New England Division (NED), the reasons for getting involved with the experiment, some of the initial problems associated with the data collection hardware, and a preliminary conclusion based on operating experiences are reviewed. The New England Region includes the states of Maine, New Hampshire, Vermont, Massachusetts, Rhode Island and Connecticut. The entire area consists of approximately 97,000 sq. km. (60,000 square miles), half of which is in the state of Maine. The limits of the NED are all of Maine, New Hampshire and Vermont to the western limits of the Connecticut River basin, Massachusetts, Connecticut to the western edge of the Housatonic River basin and Rhode Island. All reservoirs have flood control as a primary purpose. Other uses include water supply, recreation and low flow augmentation. However, none of the reservoirs are presently operated for hydroelectric power, navigation, or irrigation purposes. Basically then, flood control regulation is NED's primary concern.
    Schlagwort(e): EARTH RESOURCES AND REMOTE SENSING
    Materialart: NASA. Wallops Station Data Collection System; p 45-52
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  • 49
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    Mobile data buoy system (1975)
    In:  Other Sources
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    Publikationsdatum: 2011-08-16
    Beschreibung: The Mobile Data Buoy System was conceived to serve the users requirement for obtaining water quality parameters from two separate watershed systems. In view of the cost constraints of the ERTS program it was obvious that the network of 10 sampling stations required could not be of the fixed installation type; therefore, it was decided to go to a system of battery powered buoys of a size that could be used in one watershed system for a period of time and then moved to another by use of a relatively small 6.7 m (22 foot) boat. The basic idea of the water quality measurement program was to establish the water quality pattern of change from the headwaters of the watersheds to and through the Mobile Bay. This would allow the investigator to develop a good picture of the state's major water resources and the pressures from pollution that are being imposed. At this point in deployment of this mobile system of buoys, it is too early to put a quantitative value on the system, however it appears less expensive than known fixed installations as to first cost. It has a basic advantage in that it can be moved, at very little expense, to alternate sites where it is desired to obtain water quality data. It is to be noted this buoy system which covers a 80 Km (50 mile) stretch of the Black Warrior River and then skips down 483 Km (300 miles) to Mobile Bay for the next measurements would not be feasible unless there is a satellite to collect and relay the data.
    Schlagwort(e): EARTH RESOURCES AND REMOTE SENSING
    Materialart: Data Collection System; p 21-30
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  • 50
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    Data retransmission from water survey of Canada gauging stations using the ERTS data collection system (1975)
    In:  Other Sources
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    Publikationsdatum: 2011-08-16
    Beschreibung: Nine sites were selected for installation of Data Collection Platforms (DCPs) with the objective of obtaining one near real time water level reading a day from each site. Also the dependability, costs and other aspects of the system could be studied and decisions made with respect to the feasibility of operating a much larger network of DCPs. The number of transmissions received each day from the gauging stations varies from a maximum of 26 to 12 and a minimum of 10 to 3, depending on the location. Quality checks of data have indicated that the data are good. None of the nine DCPs have failed once they have been successfully activated. The experience with the ERTS data collection system has been excellent. The DCP appears to be a rugged, reliable piece of equipment. The ones installed at water survey sites have withstood temperatures less than -40 C and the antennas have withstood wind speeds of over 80 kph (50 mph) and snow loads of 0.6 m (2 ft).
    Schlagwort(e): EARTH RESOURCES AND REMOTE SENSING
    Materialart: NASA. Wallops Station Data Collection System; p 17-20
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  • 51
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    The use of Earth Resources Technology Satellite for relaying hydrologic data in the Delaware River basin (1975)
    In:  Other Sources
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    Publikationsdatum: 2011-08-16
    Beschreibung: The earth resources data acquisition systems on ERTS are providing data from the earth's surface that have great potential for resources management. The Data Collection System is providing water resources data several times a day from widely scattered locations in the Delaware River Basin. Within the constraints of an experimental test, the data are being processed and released to water resources agencies in near-real time. The results of ERTS investigations have shown that there is a potential application for satellite-borne systems for earth resources data acquisition. It is becoming clear that the solutions to many natural resource problems can be found faster and more efficiently with the help of data acquisition systems such as those on the ERTS observatory. Under operational conditions, low cost battery-operated DCP's could provide the Geological Survey with data from a large number of field instruments. These data could be used by the Geological Survey to monitor the operational status of field instrumentation and could be used by cooperating agencies to monitor a wide range of earth resources conditions. Under operational conditions, the data flow could be in real time. The delay from time of data acquisition by ERTS to the time of data availability to data users could be reduced to seconds, rather than the present lag time of a few hours.
    Schlagwort(e): EARTH RESOURCES AND REMOTE SENSING
    Materialart: NASA. Wallops Station Data Collection System; p 5-16
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  • 52
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    Water resources, summary (1975)
    In:  Other Sources
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    Publikationsdatum: 2011-08-16
    Beschreibung: The application of remote sensing products to the development and understanding of water resources problems is considered. Geology and hydrogeology, analysis of watersheds, snow and ice, prediction of runoff from snowmelt, hydrologic land use classifications, soil moisture, evapotranspiration, flood hazards, and water quality surveys are among the topics discussed. Suggestions for further use of remotely sensed data are given along with increased user requirements.
    Schlagwort(e): EARTH RESOURCES AND REMOTE SENSING
    Materialart: NASA. Lyndon B. Johnson Space Center NASA Earth Resources Survey Symp., Vol. 2-A; p 151-171
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  • 53
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    Land use/state and local users, summary (1975)
    In:  Other Sources
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    Publikationsdatum: 2011-08-16
    Beschreibung: Alternative approaches to remote sensing applications in state and local resource management problems are discussed. Examples of application of remotely sensed data are given. User requirements for future applications are emphasized.
    Schlagwort(e): EARTH RESOURCES AND REMOTE SENSING
    Materialart: NASA. Lyndon B. Johnson Space Center NASA Earth Resources Survey Symp., Vol. 2-A; p 129-150
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  • 54
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    Geology, summary (1975)
    In:  Other Sources
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    Publikationsdatum: 2011-08-16
    Beschreibung: Trends in geologic application of remote sensing are identified. These trends are as follows: (1) increased applications of orbital imagery in fields such as engineering and environmental geology - some specific applications include recognition of active earthquake faults, site location for nuclear powerplants, and recognition of landslide hazards; (2) utilization of remote sensing by industry, especially oil and gas companies, and (3) application of digital image processing to mineral exploration.
    Schlagwort(e): EARTH RESOURCES AND REMOTE SENSING
    Materialart: NASA. Lyndon B. Johnson Space Center NASA Earth Resources Survey Symp., Vol. 2-A; p 99-121
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  • 55
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    The Large Area Crop Inventory Experiment (LACIE). Part 3: A systematic approach to the practical application of remote-sensing technology (1975)
    In:  Other Sources
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    Publikationsdatum: 2011-08-16
    Beschreibung: The application of remote sensing technology by the U.S. Department of Agriculture (USDA) is examined. The activities of the USDA Remote-Sensing User Requirement Task Force which include cataloging USDA requirements for earth resources data, determining those requirements that would return maximum benefits by using remote sensing technology and developing a plan for acquiring, processing, analyzing, and distributing data to satisfy those requirements are described. Emphasis is placed on the large area crop inventory experiment and its relationship to the task force.
    Schlagwort(e): EARTH RESOURCES AND REMOTE SENSING
    Materialart: NASA. Lyndon B. Johnson Space Center NASA Earth Resources Survey Symp., Vol. 2-A; p 66-77
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  • 56
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    Applications of earth resources technology to human needs (1975)
    In:  Other Sources
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    Publikationsdatum: 2011-08-16
    Beschreibung: The application of remote sensing technology in the fields of health and education is examined. The technology and accomplishments of ATS 6 and the development of a nationwide telecommunications system to meet the varied needs of the health and education communities are among the topics discussed. The economic and social aspects of utilizing and benefiting from remote sensing technology are stressed.
    Schlagwort(e): EARTH RESOURCES AND REMOTE SENSING
    Materialart: NASA. Lyndon B. Johnson Space Center NASA Earth Resources Survey Symp., Vol. 2-A; p 29-32
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  • 57
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    Turbidity in extreme western Lake Superior (1975)
    In:  Other Sources
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    Publikationsdatum: 2011-08-16
    Beschreibung: Data were obtained from ERTS images for western Lake Superior for 1972-74. Data examination showed that for easterly winds the turbidity originating along the Wisconsin shore and the resuspension areas are transported northward then out along a N.E. path where it disperses, and often, for large storms, contaminates the Duluth water intake. Contaminants such as dredging fines anywhere along these paths would likewise find their way to the intake areas in concentrations comparable to the relative red clay concentration.
    Schlagwort(e): EARTH RESOURCES AND REMOTE SENSING
    Materialart: A Study of Minn. Forests and Lakes using Data from Earth Resources Technol. Satellites; 25 p
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  • 58
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    Geophysical studies of floating ice by remote sensing (1975)
    In:  Other Sources
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    Publikationsdatum: 2011-08-16
    Beschreibung: This paper presents an overview of recent remote-sensing techniques as applied to geophysical studies of floating ice. The current increase in scientific interest in floating ice has occurred during a time of rapid evolution of both remote-sensing platforms and sensors. Mesoscale and macroscale studies of floating ice are discussed under three sensor categories: visual, passive microwave, and active microwave. The specific studies that are reviewed primarily investigate ice drift and deformation, and ice type and ice roughness identification and distribution.
    Schlagwort(e): EARTH RESOURCES AND REMOTE SENSING
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  • 59
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    Satellites - New global observing techniques for ice and snow (1975)
    In:  Other Sources
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    Publikationsdatum: 2011-08-16
    Beschreibung: The possibility that the variation in areal extent of the snow cover may be related by empirical means to the average monthly run-off in a given watershed was demonstrated by comparing run-off records from the Indus River Basin in south-east Asia with a series of snow-cover maps obtained from Nimbus-3 and 4 imagery. Similar studies using the higher spatial resolution available with ERTS-1 imagery were carried out for the Wind River Mountains watersheds in Wyoming, where it was found that the empirical relationship varied with mean elevation of the watershed. In addition, digital image enhancement techniques are shown to be useful for identifying glacier features thought to be related to extent of snow cover, moraine characteristics, debris coverage, and the like. Finally, longer wavelength observations using sensors on board the Nimbus-5 satellite are shown to be useful for indicating crystal size distributions and onset of melting on glacier snow cover.
    Schlagwort(e): EARTH RESOURCES AND REMOTE SENSING
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  • 60
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    Satellite microwave observations of the Utah Great Salt Lake Desert (1975)
    In:  Other Sources
    Details
    Publikationsdatum: 2011-08-16
    Beschreibung: Microwave data acquired over the Great Salt Lake Desert area by sensors aboard Skylab and Nimbus 5 indicate that the microwave emission and backscatter were strongly influenced by contributions from subsurface layers of sediment saturated with brine. This phenomenon was observed by Skylab's S-194 radiometer operating at 1.4 GHz, S-193 RADSCAT (Radiometer-Scatterometer) operating at 13.9 GHz, and the Nimbus 5 ESMR (Electrically Scanning Microwave Radiometer) operating at 19.35 GHz. The availability of ESMR data over an 18-month period allowed an investigation of temporal variations.
    Schlagwort(e): EARTH RESOURCES AND REMOTE SENSING
    Materialart: Radio Science; 10; Nov. 197
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  • 61
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    Active faults in southeastern Harris County, Texas (1975)
    In:  Other Sources
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    Publikationsdatum: 2011-08-16
    Beschreibung: Aerial color infrared photography was used to investigate active faults in a complex graben in southeastern Harris County, Tex. The graben extends east-west across an oil field and an interstate highway through Ellington Air Force Base (EAFB), into the Clear Lake oil field and on to LaPorte, Tex. It was shown that the fault pattern at EAFB indicates an appreciable horizontal component associated with the failure of buildings, streets, and runways. Another fault system appears to control the shoreline configuration of Clear Lake, with some of the faults associated with tectonic movements and the production of oil and gas, but many related to extensive ground water withdrawal.
    Schlagwort(e): EARTH RESOURCES AND REMOTE SENSING
    Materialart: Environmental Geology; 1; 1975
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  • 62
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    Agriculture, summary (1975)
    In:  Other Sources
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    Publikationsdatum: 2011-08-16
    Beschreibung: Applications of remotely sensed data in agriculture are enumerated. These include: predictions of forage for range animal consumption, forest management, soil mapping, and crop inventory and management.
    Schlagwort(e): EARTH RESOURCES AND REMOTE SENSING
    Materialart: NASA. Lyndon B. Johnson Space Center NASA Earth Resources Survey Symp., Vol. 2-A; p 83-97
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  • 63
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    The Large Area Crop Inventory Experiment (LACIE)., Part 1: The use of LANDSAT data in LACIE (1975)
    In:  Other Sources
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    Publikationsdatum: 2011-08-16
    Beschreibung: The major factors which influenced the large area crop inventory experiment design, the technical approach being pursued, the detail of the implementation of this approach, and initial results of the experiment are described.
    Schlagwort(e): EARTH RESOURCES AND REMOTE SENSING
    Materialart: NASA Earth Resources Survey Symp., Vol. 2-A; p 43-62
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  • 64
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    US Army Corps of Engineers program (1975)
    In:  Other Sources
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    Publikationsdatum: 2011-08-16
    Beschreibung: The application of satellite remote sensing technology in hydrologic studies and regulatory programs of the U.S. Army Corps of Engineers is discussed. Site selection, location of construction material, environment impact assessment, analysis of hydrologic systems, reservoir system analysis, water quality, quantity and quality of runoff from urban areas, river hydraulics, and sediment movement are among the applications described. Emphasis is placed on introducing automatic classification of multispectral data into modeling techniques used in hydrologic studies.
    Schlagwort(e): EARTH RESOURCES AND REMOTE SENSING
    Materialart: NASA. Lyndon B. Johnson Space Center NASA Earth Resources Survey Symp., Vol. 2-A; p 37-41
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  • 65
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    Energy and other non-renewable resources (1975)
    In:  Other Sources
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    Publikationsdatum: 2011-08-16
    Beschreibung: Anticipated U.S. demands for non-renewable energy and mineral resources exceed domestic supplies essential for economic growth. For the long term changes necessary in the energy supply and demand gap, new technologies and substitute materials as well as legislation and socio-economic strategies are elaborated.
    Schlagwort(e): EARTH RESOURCES AND REMOTE SENSING
    Materialart: The Future Environment; 4 p
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  • 66
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    Active and inactive faults in southern California viewed from Skylab (1975)
    In:  Other Sources
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    Publikationsdatum: 2011-08-16
    Beschreibung: The application is discussed of Skylab imagery along with larger scale photography and field investigations in preparing fault maps of California for use in land use planning. The images were used to assist in distinguishing active from inactive faults (by recognizing indications of recent displacement), determining the length of potentially active faults, identifying previously unmapped faults, and gaining additional information on regional tectonic history.
    Schlagwort(e): EARTH RESOURCES AND REMOTE SENSING
    Materialart: NASA. Lyndon B. Johnson Space Center NASA Earth Resources Surv. Symp., Vol. 1-B; p 779-797
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  • 67
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    Applications of Landsat imagery to geological research in Minnesota (1975)
    In:  Other Sources
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    Publikationsdatum: 2011-08-16
    Beschreibung: A large part of northeastern Minnesota north of Lake Superior was studied using Landsat images. The area is being studied for its intercontinental rift and for large, low grade, copper-nickel deposits. By using Landsat imagery in conjunction with field data, it is possible to develop a much higher level of continuity and structural resolution in interpretations of the bedrock geology. Preliminary results indicate that it is possible to distinguish various surficial morphological features such as the Vermilion and Highland moraines, the Toimi drumlin field, and an unnamed drumlin field apparently associated with the Highland moraine.
    Schlagwort(e): EARTH RESOURCES AND REMOTE SENSING
    Materialart: Minn. Univ. A study of Minn. Forests and Lakes using Data from Earth Resources Technol. Satellites; 11 p
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  • 68
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    Some environmental problems and their satellite monitoring (1975)
    In:  Other Sources
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    Publikationsdatum: 2011-08-16
    Beschreibung: Anthropogenic modification of the earth's surface is discussed in two problem areas: (1) land use changes and overgrazing, and how it affects albedo and land surface-atmosphere interactions, and (2) water and land surface pollution, especially oil slicks. A literature survey evidences the importance of these problems. The need for monitoring is stressed, and it is suggested that with some modifications to the sensors, ERTS (Landsat) series satellites can provide approximate monitoring information. The European Landsat receiving station in Italy will facilitate data collection for the tasks described.
    Schlagwort(e): EARTH RESOURCES AND REMOTE SENSING
    Materialart: British Interplanetary Society; vol. 28
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  • 69
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    Electromagnetic reflection from multi-layered snow models (1975)
    In:  Other Sources
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    Publikationsdatum: 2011-08-16
    Beschreibung: The remote sensing of snow-pack characteristics with surface installations or an airborne system could have important applications in water-resource management and flood prediction. To derive some insight into such applications, the electromagnetic response of multilayered snow models is analyzed in this paper. Normally incident plane waves at frequencies ranging from 1 MHz to 10 GHz are assumed, and amplitude reflection coefficients are calculated for models having various snow-layer combinations, including ice layers. Layers are defined by thickness, permittivity, and conductivity; the electrical parameters are constant or prescribed functions of frequency. To illustrate the effect of various layering combinations, results are given in the form of curves of amplitude reflection coefficients versus frequency for a variety of models. Under simplifying assumptions, the snow thickness and effective dielectric constant can be estimated from the variations of reflection coefficient as a function of frequency.
    Schlagwort(e): EARTH RESOURCES AND REMOTE SENSING
    Materialart: Journal of Glaciology; 14; 72, 1; 1975
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  • 70
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    Image stretching on a curved surface to improve satellite gridding (1975)
    In:  Other Sources
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    Publikationsdatum: 2011-08-16
    Beschreibung: A method for substantially reducing gridding errors due to satellite roll, pitch and yaw is given. A gimbal-mounted curved screen, scaled to 1:7,500,000, is used to stretch the satellite image whereby visible landmarks coincide with a projected map outline. The resulting rms position errors averaged 10.7 km as compared with 25.6 and 34.9 km for two samples of satellite imagery upon which image stretching was not performed.
    Schlagwort(e): EARTH RESOURCES AND REMOTE SENSING
    Materialart: Journal of Applied Meteorology; 14; Dec. 197
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  • 71
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    Computer aided techniques for estimating the percent of impervous area for Landsat data (1975)
    In:  Other Sources
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    Publikationsdatum: 2011-08-18
    Schlagwort(e): EARTH RESOURCES AND REMOTE SENSING
    Materialart: Army Eng. Topographic Labs. Workshop for Environmental Applications of Multispectral Imagery; p 140-155
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  • 72
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    Problem areas in the use of the firefly luciferase assay for bacterial detection (1975)
    In:  CASI
    Details
    Publikationsdatum: 2016-06-07
    Beschreibung: By purifying the firefly luciferase extract and adding all necessary chemicals but ATP in excess, an assay for ATP was performed by measuring the amount of light produced when a sample containing soluble ATP is added to the luciferase reaction mixture. Instrumentation, applications, and basic characteristics of the luciferase assay are presented. Effect of the growth medium and length of time grown in this medium on ATP per viable E. coli values is shown in graphic form, along with an ATP concentration curve showing relative light units versus ATP injected. Reagent functions and concentration methods are explored. Efforts to develop a fast automatable system to detect the presence of bacteria in biological fluids, especially urine, resulted in the optimization of procedures for use with different types of samples.
    Schlagwort(e): EARTH RESOURCES AND REMOTE SENSING
    Materialart: Anal. Appl. of Bioluminescence and Chemiluminescence; p 1-26
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  • 73
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    A comparison of certain extracting agents for extraction of adenosine triphosphate (ATP) from microorganisms for use in the firefly luciferase ATP assay (1975)
    In:  CASI
    Details
    Publikationsdatum: 2016-06-07
    Beschreibung: Firefly luciferase ATP assay is used in clinical and industrial applications, such as determination of urinary infection levels, microbial susceptibility testing, and monitoring of yeast levels in beverages. Three categories of extractants were investigated for their extracting efficiency. They were ionizing organic solvents, nonionizing organic solvents, and inorganic acids. Dimethylsulfoxide and formamide represented the ionizing organic solvents, while n-butanol, chloroform, ethanol, acetone, and methylene chloride were used for the nonionizing organic solvents. Nitric acid and perchloric acid were chosen for the inorganic acids category. Pathogens were tested with each solvent. They included: Saccharomyces carlsbergensis, E. coli, Staphylococcus aureus, Klebsiella pneumoniae, Enterobacter species, Proteus mirabilis, Proteus vulgaris, Staphylococcus epidermidis, Streptococcus faecalis, Pseudomonas aeruginosa, and Candida albicans. These results are shown in graphic representations.
    Schlagwort(e): EARTH RESOURCES AND REMOTE SENSING
    Materialart: Anal. Appl. of Bioluminescence and Chemiluminescence; p 27-34
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  • 74
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    Application of the luciferin-luciferase enzyme system for determination of adenosine triphosphate (ATP) to studies on the mechanisms of herbicide action (1975)
    In:  CASI
    Details
    Publikationsdatum: 2016-06-07
    Beschreibung: The luciferin-luciferase enzyme system for determination of ATP is valuable for studies on the mechanisms of herbicide action. Investigations using this system have shown that certain herbicides may act by interfering with ATP production or by blocking ATP use, or by both mechanisms.
    Schlagwort(e): EARTH RESOURCES AND REMOTE SENSING
    Materialart: NASA. Goddard Space Flight Center Anal. Appl. of Bioluminescence and Chemiluminescence; p 45-48
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  • 75
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    Specificity of aequorin luminescence to calcium (1975)
    In:  CASI
    Details
    Publikationsdatum: 2016-06-07
    Beschreibung: The presence of Pb(++), Co(++), Cu(++), and Cd(++), each of which possesses a certain luminescence-triggering activity of aequorin, potentially interferes with the specificity of the aequorin luminescence response to Ca(++). Interference by the above cations can be eliminated, without influencing the sensitivity of the luminescence of aequorin to Ca(++), by adding 1 mM of sodium diethyldithiocarbamate.
    Schlagwort(e): EARTH RESOURCES AND REMOTE SENSING
    Materialart: NASA. Goddard Space Flight Center Anal. Appl. of Bioluminescence and Chemiluminescence; p 89-94
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  • 76
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    Ultrasensitive bioluminescent determinations of adenosine triphosphate (ATP) for investigating the energetics of host-grown microbes (1975)
    In:  CASI
    Details
    Publikationsdatum: 2016-06-07
    Beschreibung: Stability and optimal concentrations of reagents were studied in bioluminescence assay of ATP levels. Luciferase enzyme was prepared and purified using Sephadex G-100. Interdependencies between enzyme and luciferin concentrations in presence of optimal Mg are illustrated. Optimal ionic strength was confirmed to be 0.05 M for the four buffers tested. Adapted features of the R- and H-systems are summarized, as well as the percentages of ATP pools released from representative microbes by heat and chloroform.
    Schlagwort(e): EARTH RESOURCES AND REMOTE SENSING
    Materialart: NASA. Goddard Space Flight Center Anal. Appl. of Bioluminescence and Chemiluminescence; p 57-65
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  • 77
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    Bioluminescence for determining energy state of plants (1975)
    In:  CASI
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    Publikationsdatum: 2016-06-07
    Beschreibung: Bioluminescence produced by the luciferin-luciferase system is a very sensitive assay for ATP content in extracts of plant materials. The ATP test for seed and pollen viability and vigor is presented, along with prediction of high growth potential and productivity in new crosses and selections of breeding materials. ATP as an indicator for environmental quality, stresses, and metabolic regulation is also considered.
    Schlagwort(e): EARTH RESOURCES AND REMOTE SENSING
    Materialart: NASA. Goddard Space Flight Center Anal. Appl. of Bioluminescence and Chemiluminescence; p 49-56
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  • 78
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    Water resources (1975)
    In:  CASI
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    Publikationsdatum: 2016-06-07
    Beschreibung: Applications of remote sensing technology to analysis of watersheds, snow cover, snowmelt, water runoff, soil moisture, land use, playa lakes, flooding, and water quality are summarized. Recommendations are given for further utilization of this technology.
    Schlagwort(e): EARTH RESOURCES AND REMOTE SENSING
    Materialart: NASA. Lyndon B. Johnson Space Center NASA Earth Resources Surv. Symp., Vol. 3; p 41-46
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  • 79
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    Marine Resources (1975)
    In:  CASI
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    Publikationsdatum: 2016-06-07
    Beschreibung: The papers presented in the marine session may be broadly grouped into several classes: microwave region instruments compared to infrared and visible region sensors, satellite techniques compared to aircraft techniques, open ocean applications compared to coastal region applications, and basic research and understanding of ocean phenomena compared to research techniques that offer immediate applications.
    Schlagwort(e): EARTH RESOURCES AND REMOTE SENSING
    Materialart: NASA. Lyndon B. Johnson Space Center NASA Earth Resources Surv. Symp., Vol. 3; p 39-40
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  • 80
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    Land use, state and local users (1975)
    In:  CASI
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    Publikationsdatum: 2016-06-07
    Beschreibung: The state and local and land use sessions involved a cross section of the expanding community of government managers who use remotely sensed information to make programmatic decisions. Problems that can be inferred from the presentations and resulting discussion are addressed. Recommendations are also given to facilitate utilization of remote sensing technology.
    Schlagwort(e): EARTH RESOURCES AND REMOTE SENSING
    Materialart: NASA. Lyndon B. Johnson Space Center NASA Earth Resources Surv. Symp., Vol. 3; p 35-38
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  • 81
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    Information systems and services, user services (1975)
    In:  CASI
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    Publikationsdatum: 2016-06-07
    Beschreibung: The following topics were discussed: (1) data availability and distribution, (2) complete processing systems, (3) subsystems, (4) applications, (5) research for future technology, and (6) education, training opportunities, and materials. Evidence was given that remote sensing technology is being increasingly utilized. Therefore, it was concluded that a second stage of remote sensing technology should be developed.
    Schlagwort(e): EARTH RESOURCES AND REMOTE SENSING
    Materialart: NASA. Lyndon B. Johnson Space Center NASA Earth Resources Surv. Symp., Vol. 3; p 29-33
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  • 82
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    Environment (1975)
    In:  CASI
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    Publikationsdatum: 2016-06-07
    Beschreibung: Applications of remote sensing technology to wildlife preservation, pest control, strip mining, water quality monitoring, and wetlands mapping were discussed. Economic, political and social factors were also considered.
    Schlagwort(e): EARTH RESOURCES AND REMOTE SENSING
    Materialart: NASA. Lyndon B. Johnson Space Center NASA Earth Resources Surv. Symp., Vol. 3; p 15-19
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  • 83
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    Coastal zone management (1975)
    In:  CASI
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    Publikationsdatum: 2016-06-07
    Beschreibung: A panel of federal and state representatives concerned with coastal zone affairs discussed their problems in this area. In addition, several demonstrations of the application of remote sensing technology to coastal zone management were described. These demonstrations were performed by several agencies in a variety of geographical areas.
    Schlagwort(e): EARTH RESOURCES AND REMOTE SENSING
    Materialart: NASA Earth Resources Surv. Symp., Vol. 3; p 5-14
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  • 84
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    Geology (1975)
    In:  CASI
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    Publikationsdatum: 2016-06-07
    Beschreibung: Papers from private industry reporting applications of remote sensing to oil and gas exploration were presented. Digitally processed LANDSAT images were successfully employed in several geologic interpretations. A growing interest in digital image processing among the geologic user community was shown. The papers covered a wide geographic range and a wide technical and application range. Topics included: (1) oil and gas exploration, by use of radar and multisensor studies as well as by use of LANDSAT imagery or LANDSAT digital data, (2) mineral exploration, by mapping from LANDSAT and Skylab imagery and by LANDSAT digital processing, (3) geothermal energy studies with Skylab imagery, (4) environmental and engineering geology, by use of radar or LANDSAT and Skylab imagery, (5) regional mapping and interpretation, and digital and spectral methods.
    Schlagwort(e): EARTH RESOURCES AND REMOTE SENSING
    Materialart: NASA Earth Resources Surv. Symp., VOl. 3; p 21-28
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  • 85
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    Agriculture (1975)
    In:  CASI
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    Publikationsdatum: 2016-06-07
    Beschreibung: Applications of remote sensing in the areas of crop identification, range management, forest management and soil mapping are summarized.
    Schlagwort(e): EARTH RESOURCES AND REMOTE SENSING
    Materialart: NASA. Lyndon B. Johnson Space Center NASA Earth Resources Surv. Symp., Vol. 3; p 1-3
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  • 86
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    Applications of chemiluminescence to bacterial analysis (1975)
    In:  CASI
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    Publikationsdatum: 2016-06-07
    Beschreibung: Luminol chemiluminescence method for detecting bacteria was based on microbial activation of the oxidation of the luminol monoanion by hydrogen peroxide. Elimination of the prior lysing step, previously used in the chemiluminescence technique, was shown to improve considerably the reproducibility and accuracy of the method in addition to simplifying it. An inexpensive, portable photomultiplier detector was used to measure the maximum light intensity produced when the sample is added to the reagent. Studies of cooling tower water show that the luminol chemiluminescence technique can be used to monitor changes in viable cell population both under normal conditions and during chlorine treatment. Good correlation between chemiluminescence and plate counts was also obtained in the analysis of process water used in paper mills. This method showed good potential for monitoring the viable bacteria populations in activated sludge used in waste treatment plants to digest organic matter.
    Schlagwort(e): EARTH RESOURCES AND REMOTE SENSING
    Materialart: NASA. Goddard Space Flight Center Anal. Appl. of Bioluminescence and Chemiluminescence; p 95-103
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  • 87
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    The effect of growth phase and medium on the use of the firefly adenosine triphosphate (ATP) assay for the quantitation of bacteria (1975)
    In:  CASI
    Details
    Publikationsdatum: 2016-06-07
    Beschreibung: Luciferase assay for adenosine triphosphate (ATP) was used as a rapid method to determine the number of bacteria in a urine sample after nonbacterial components were removed. Accurate cellular ATP values, determined when bacteria were grown in an environment similar to that in which they were found, were necessary for the calculation of bacterial titer in urine. Cellular ATP values vary depending on the extraction method, the cell growth phase, and cell growth conditions. ATP per cell values of stationary E. coli grown in urine were two times greater than ATP per cell values of cells grown in trypticase soy broth. Glucose and urea were examined as possible components responsible for the cellular ATP variation.
    Schlagwort(e): EARTH RESOURCES AND REMOTE SENSING
    Materialart: Anal. Appl. of Bioluminescence and Chemiluminescence; p 35-41
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  • 88
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    A rapid method for the determination of microbial susceptibility using the firefly luciferase assay for adenosine triphosphate (ATP) (1975)
    In:  CASI
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    Publikationsdatum: 2016-06-07
    Beschreibung: Luciferase assay for adenosine triphosphate (ATP) was optimized for pure bacteria in broth in order to evaluate if changes in bacterial ATP content could be used as a rapid measure of antibiotic effect on microorganisms. Broth cultures of log phase bacteria were incubated at 310 K (37 C) for 2.5 hours at antimicrobial concentrations which resulted in the best discrimination between sensitive and resistant strains. Eighty-seven strains of 11 bacterial species were studied for their susceptibility to 12 commonly used antimicrobial agents: ampicillin, Penicillin G, nafcillin, carbenicillin, cephalothin, tetracycline, erythromycin, clindamycin, gentamicin, nitrofurantoin, colistin, and chloramplenicol. The major advantage of the ATP system over existing methods of rapid microbial susceptibility testing is that the assay can be made specific for bacterial ATP.
    Schlagwort(e): EARTH RESOURCES AND REMOTE SENSING
    Materialart: Anal. Appl. of Bioluminescence and Chemiluminescence; p 43-44
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  • 89
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    Energetics of the host-dependent Mycobacterium Lepraemurium during transition to a capacity for extracellular growth (1975)
    In:  CASI
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    Publikationsdatum: 2016-06-07
    Beschreibung: The ATP measurements were refined to a point where the growth potential of microscopic samples of host-dependent microbes can be measured, even before an increase in microbial numbers has occurred. This tool differs from other biochemical indicators of physiologic states in its sensitivity and in the fact that it can be exploited with unwashed host-dependent and host-grown organisms.
    Schlagwort(e): EARTH RESOURCES AND REMOTE SENSING
    Materialart: NASA. Goddard Space Flight Center Anal. Appl. of Bioluminescence and Chemiluminescence; p 67-73
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  • 90
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    Screwworm Eradication Data System, phase 2 project plan: Field tests (1975)
    In:  CASI
    Details
    Publikationsdatum: 2019-06-27
    Beschreibung: There are no author-identified significant results in this report.
    Schlagwort(e): EARTH RESOURCES AND REMOTE SENSING
    Materialart: E80-10225 , NASA-CR-160616 , LEC-6473 , JSC-09825
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  • 91
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    Remote sensing of water quality in reservoirs and lakes in semi-arid climates (1975)
    In:  CASI
    Details
    Publikationsdatum: 2019-06-28
    Beschreibung: Overlake measurements using aerial cameras (remote sensing) combined with water truth collected from boats most economically provided wide-band photographs rather than precise spectra. With use of false color infrared film (400-950 nm), the reflected spectral signatures seen from hundreds to thousands of meters above the lake merged to produce various color tones. Such colors were easily and inexpensively obtained and could be recognized by lake management personnel without any prior training. The characteristic spectral signatures of various algal types were also recognizable in part by the color tone produced by remote sensing.
    Schlagwort(e): EARTH RESOURCES AND REMOTE SENSING
    Materialart: NASA-CR-166178 , SERL-75-1
    Format: application/pdf
    Standort Signatur Erwartet Verfügbarkeit
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  • 92
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    LANDSAT: US standard catalog no. U-32 (1975)
    In:  CASI
    Details
    Publikationsdatum: 2019-06-27
    Beschreibung: For abstract, see N75-33444.
    Schlagwort(e): EARTH RESOURCES AND REMOTE SENSING
    Materialart: NASA-TM-X-72890
    Format: application/pdf
    Standort Signatur Erwartet Verfügbarkeit
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  • 93
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    Remotely sensing wheat maturation with radar (1975)
    In:  CASI
    Details
    Publikationsdatum: 2019-06-27
    Beschreibung: The scattering properties of wheat were studied in the 8-18 GHz band as a function of frequency, polarization, incidence angle, and crop maturity. Supporting ground truth was collected at the time of measurement. The data indicate that the radar backscattering coefficient is sensitive to both radar system parameters and crop characteristics particularly at incidence angles near nadir. Linear regression analyses of the radar backscattering coefficient on both time and plant moisture content result in rather good correlation. Furthermore, by calculating the average time rate of change of the radar backscattering coefficient it is found that it undergoes rapid variations shortly before and after the wheat is harvested. Both of these analyses suggest methods for estimating wheat maturity and for monitoring the progress of harvest.
    Schlagwort(e): EARTH RESOURCES AND REMOTE SENSING
    Materialart: NASA-CR-144507 , RSL-TR-177-55
    Format: application/pdf
    Standort Signatur Erwartet Verfügbarkeit
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  • 94
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    Evaluation of EREP techniques for geological mapping: Summary statements (1975)
    In:  CASI
    Details
    Publikationsdatum: 2019-06-27
    Beschreibung: There are no author-identified significant results in this report.
    Schlagwort(e): EARTH RESOURCES AND REMOTE SENSING
    Materialart: E75-10410 , NASA-CR-144494
    Format: application/pdf
    Standort Signatur Erwartet Verfügbarkeit
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  • 95
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    Unbekannt
    Evaluation of LANDSAT-2 data for selected hydrologic applications (1975)
    In:  CASI
    Details
    Publikationsdatum: 2019-06-27
    Beschreibung: There are no author-identified significant results in this report.
    Schlagwort(e): EARTH RESOURCES AND REMOTE SENSING
    Materialart: E75-10407 , NASA-CR-143400
    Format: application/pdf
    Standort Signatur Erwartet Verfügbarkeit
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  • 96
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    LANDSAT inventory of surface-mined areas using extendible digital techniques (1975)
    In:  CASI
    Details
    Publikationsdatum: 2019-06-27
    Beschreibung: Multispectral analysis of LANDSAT imagery provides a rapid and accurate means of identification, classification, and measurement of strip-mined surfaces in Western Maryland. Four band analysis allows distinction of a variety of strip-mine associated classes, but has limited extendibility. A method for surface area measurement of strip mines, which is both geographically and temporally extendible, was developed using band-ratioed LANDSAT reflectance data. The accuracy of area measurement by this method, averaged over three LANDSAT scenes taken between September 1972 and July 1974, is greater than 93%. Total affected acreage of large (50 hectare/120 acre) mines can be measured to within 1.0%.
    Schlagwort(e): EARTH RESOURCES AND REMOTE SENSING
    Materialart: NASA-TM-X-70978 , X-900-75-165
    Format: application/pdf
    Standort Signatur Erwartet Verfügbarkeit
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  • 97
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    Analytic aerotriangulation utilizing Skylab earth terrain camera (S-190B) photography (1975)
    In:  CASI
    Details
    Publikationsdatum: 2019-06-27
    Beschreibung: The author has identified the following significant results. Inherent errors in using nonmetric Skylab photography and office-identified photo control made it necessary to perform numerous block adjustment solutions involving different combinations of control and weights. The final block adjustment was executed holding to 14 of the office-identified photo control points. Solution accuracy was evaluated by comparing the analytically computed ground positions of the withheld photo control points with their known ground positions and also by determining the standard errors of these points from variance values. A horizontal position RMS error of 15 meters was attained. The maximum observed error in position at a control point was 25 meters.
    Schlagwort(e): EARTH RESOURCES AND REMOTE SENSING
    Materialart: E75-10413 , NASA-CR-144387
    Format: application/pdf
    Standort Signatur Erwartet Verfügbarkeit
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  • 98
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    LANDSAT Application of Remote Sensing to Shoreline Form Analysis (1975)
    In:  CASI
    Details
    Publikationsdatum: 2019-06-27
    Beschreibung: There are no author-identified significant results in this report.
    Schlagwort(e): EARTH RESOURCES AND REMOTE SENSING
    Materialart: E75-10409 , NASA-CR-143402
    Format: application/pdf
    Standort Signatur Erwartet Verfügbarkeit
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  • 99
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    Unbekannt
    LANDSAT: Non-US standard catalog no. N-32 (1975)
    In:  CASI
    Details
    Publikationsdatum: 2019-06-27
    Beschreibung: For abstract, see N75-33444.
    Schlagwort(e): EARTH RESOURCES AND REMOTE SENSING
    Materialart: NASA-TM-X-72893
    Format: application/pdf
    Standort Signatur Erwartet Verfügbarkeit
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  • 100
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    LANDSAT: Non-US standard catalog no. N-30 (1975)
    In:  CASI
    Details
    Publikationsdatum: 2019-06-27
    Beschreibung: Information regarding the availability of LANDSAT imagery processed and input to the data files by the NASA Data Processing Facility is published on a monthly basis. The U.S. Standard Catalog includes imagery covering the continental United States, Alaska, and Hawaii. The Non-U.S. Standard Catalog identifies all the remaining coverage. Sections 1 and 2 describe the contents and format for the catalogs and the associated microfilm. Section 3 provides a cross-reference defining the beginning and ending dates for LANDSAT cycles.
    Schlagwort(e): EARTH RESOURCES AND REMOTE SENSING
    Materialart: NASA-TM-X-72891
    Format: application/pdf
    Standort Signatur Erwartet Verfügbarkeit
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