Mapping regional forest evapotranspiration and photosynthesis by coupling satellite data with ecosystem simulation

Steven W. Running, Joseph C. Coughlan, David L. Peterson, Larry E. Band

Research output: Contribution to conferencePaperpeer-review

Abstract

Annual evapotranspiration (ET) and net photosynthesis (PSN) were estimated for a 28-km × 55-km region of coniferous forests in western Montana. A simple raster geographic information system (GIS) integrating topographic, soil, vegetation, and climate data at a 1.1-km scale size was used. The leaf area index (LAI) of the forest was estimated with AVHRR NDVI. The daily microclimate of each cell was interpolated using MT-CLIM, a mountain microclimate simulator. A forest ecosystem simulation model, FOREST-BGC, was used to calculate ET and PSN daily for each cell. The estimated ranges are: LAI (4-15), ET (25-60 cm/yr), and PSN (9-20 Mg/ha/yr).

Original languageEnglish
Pages265-268
Number of pages4
StatePublished - 1990
Event10th Annual International Geoscience and Remote Sensing Symposium - IGARSS '90 - College Park, MD, USA
Duration: May 20 1990May 24 1990

Conference

Conference10th Annual International Geoscience and Remote Sensing Symposium - IGARSS '90
CityCollege Park, MD, USA
Period05/20/9005/24/90

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