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  • Weitere Quellen  (3)
  • EARTH RESOURCES AND REMOTE SENSING  (3)
  • Key words: biosphere metabolism; carbon cycle; carbon fluxes; global change; terrestrial ecosystems.
  • Key words Growing season length
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    What does remote sensing do for ecology? (1991)
    In:  Other Sources
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    Publikationsdatum: 2011-08-24
    Beschreibung: The application of remote sensing to ecological investigations is briefly discussed. Emphasis is given to the recruitment problem in marine population dynamics, the regional analysis of terrestrial ecosystems, and the monitoring of ecological changes. Impediments to the use of remote sensing data in ecology are addressed.
    Schlagwort(e): EARTH RESOURCES AND REMOTE SENSING
    Materialart: Ecology (ISSN 0012-9658); 72; 6, De
    Format: text
    Standort Signatur Erwartet Verfügbarkeit
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    NASA TECHNICAL REPORTS
  • 2
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    Characterization of terrestrial ecosystems for biogeochemical studies using remote sensing (1983)
    In:  Other Sources
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    Publikationsdatum: 2019-07-13
    Beschreibung: Work is in progress to estimate leaf area index (LAI) of temperate closed canopy coniferous forests using transects in Oregon and California. This variable will be measured using remote sensing techniques including correlations of ground dimensional analysis with linear waveband combinations. LAI will be related to important biological variables such as net primary productivity, biomass, and biogenic gas emission fluxes. The spatial variation in LAI, when coupled with species composition, will be used in part to describe the spatial variation and temporal dynamics of biogeochemical cycling.
    Schlagwort(e): EARTH RESOURCES AND REMOTE SENSING
    Materialart: 1983 International Geoscience and Remote Sensing Symposium (IGARSS ''83); Aug 31, 1983 - Sep 02, 1983; San Francisco, CA
    Format: text
    Standort Signatur Erwartet Verfügbarkeit
    BibTip Andere fanden auch interessant ...
    NASA TECHNICAL REPORTS
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    Remote sensing of the leaf area index of temperate coniferous forests (1984)
    In:  Other Sources
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    Publikationsdatum: 2019-07-13
    Beschreibung: To estimate the one-sided leaf area index (LAI) of temperate coniferous forests using data acquired from the Daedalus Airborne Thematic Mapper, an empirical model is developed. The study area follows an environmental gradient across west-central Oregon, where leaf development varies in response to temperature and moisture. The relationship between the ratio of thematic-mapper simulator channels four and three and the leaf area index for selected closed canopy or fully stocked forest stands along the gradient is analyzed. Results show that a good relationship exists between the LAI and the IR/red ratio for conifers and that a conifer species-independent asymptotic relationship is observed between LAI and near IR/red reflectance, with near radiometric saturation occurring at an LAI of about 7-8.
    Schlagwort(e): EARTH RESOURCES AND REMOTE SENSING
    Materialart: Machine processing of remotely sensed data: Thematic Mapper data and geographic information systems; Jun 12, 1984 - Jun 14, 1984; West Lafayette, IN
    Format: text
    Standort Signatur Erwartet Verfügbarkeit
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    NASA TECHNICAL REPORTS
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