Mapping of local-scale thermal variations in landsat images for risk assessment of forest regeneration failures
Stockholms Universitet, 1992 - Forest mapping - 105 pages
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air temperature amount of thicket analysis aspect and slope atmospheric average 2°C colder bedrock clear cut areas clear cut stands climate cold air coniferous forest conifers Dala porphyries deciduous depressions digital elevation data digital elevation model digital terrain model diurnal temperature variation field layer forest stands forest types frost influence of topography infrared IR/R ratio lakes land cover categories Landsat TM Landsat-5 located Lunden Lundmark Mattsson mean digital counts mean temperature measured mire complexes night nighttime thermal data nighttime thermal image nighttime thermal study Norway spruce object Odin Pinus contorta pixels plants radiance radiant exitance radiative cooling radiosonde regeneration areas satellite data sensor showed slope angle solar spatial resolution spectral stands subjected subjected to beeting surface temperatures T-sum Table Tamm and Wadman temperature differences temperature patterns terrain parameters test area test sites thermal band thermal inertia thermal patterns thermal radiation thermography TM band topography trees values variations vegetation wavelength