Remote detection of canopy water stress in coniferous forests using the NS001 Thematic Mapper simulator and the thermal infrared multispectral scanner

L. L. Pierce, S. W. Running, G. A. Riggs

Research output: Contribution to journalArticlepeer-review

Abstract

Water stress was induced in two coniferous forest stands in West Germany by severing tree sapwood. Leaf water potential (ψL) measurements indicated that maximum, naturally occurring levels of water stress developed in the stressed plots while control plots exhibited natural diurnal trends. Images of each site were obtained with the Thematic Mapper Simulator (NS001) and the Thermal Infrared Multispectral Scanner (TIMS) 12 to 15 days after stress induction. The results suggest that routine detection of canopy water stress under operational conditions is difficult utilizing current sensor technology. -from Authors

Original languageEnglish
Pages (from-to)579-586
Number of pages8
JournalPhotogrammetric Engineering and Remote Sensing
Volume56
Issue number5
StatePublished - 1990

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