Airborne remote sensing of forest leaf area index in mountainous terrain

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dc.contributor.authorJohnson, Ryan L.
dc.contributor.authorUniversity of Lethbridge. Faculty of Arts and Science
dc.contributor.supervisorPeddle, Derek Roland
dc.date.accessioned2007-04-23T17:55:49Z
dc.date.available2007-04-23T17:55:49Z
dc.date.issued2000
dc.degree.levelMasters
dc.descriptionxiv, 151 leaves : ill. (some col.), map ; 29 cm.en
dc.description.abstractLeaf area index (LAI) provides forestry information that is important for regional scale ecological models and in studies of global change. This research examines the effects of mountainous terrain on the radiometric properties of multispectral CASI imagery in estimating ground-based optical measurements of LAI, obtained using the TRAC and LAI- 2000 systems. Field and image data were acquired summer 1998 in Kananaskis, Alberta, Canada. To account for the influence of terrain a new modified approach using the Li and Strahler Geometric Optical Mutual Shadowing (GOMS) model in 'multiple forward mode' (MFM) was developed. This new methodology was evaluated against four traditional radiometric corrections used in comination with spectral mixture analysis (SMA) and NDVI. The MFM approach provided the best overall predictions of LAI measured with ground-based optical instruments, followed by terrain normalized SMA, SMA without terrain normalization and NDVI.en
dc.identifier.urihttps://hdl.handle.net/10133/90
dc.language.isoen_USen
dc.publisherLethbridge, Alta. : University of Lethbridge, Faculty of Arts and Science, 2000en
dc.publisher.departmentDepartment of Geography
dc.publisher.facultyArts and Science
dc.relation.ispartofseriesThesis (University of Lethbridge. Faculty of Arts and Science)en
dc.subjectForests and forestry -- Alberta -- Kananaskis Region -- Remote sensingen
dc.subjectAerial photography in forestry -- Alberta -- Kananaskis Regionen
dc.subjectForest management -- Albertaen
dc.subjectDissertations, Academicen
dc.titleAirborne remote sensing of forest leaf area index in mountainous terrainen
dc.typeThesisen
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