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- 086f7566-5193-4bc3-a75a-c073e379bbe9 definition "The Accelerated Canopy Chemistry Program (ACCP) was an investigation to determine the theoretical and empirical basis for remote sensing of nitrogen and lignin concentrations in vegetation canopies of different ecosystems. The ACCP data consist of AVIRIS images, laboratory chemical analysis of field samples, laboratory spectra and chemical analyses from several mini-canopy experiments, and canopy modeling data. Approximately 1000 leaf samples from fresh forest foliage were collected from 5 geographically distinct sites and analyzed at the University of New Hampshire to determine carbon constituents (non-polar, polar, cellulose, and lignin) content using a series of extractions, and nitrogen content using a standard combustion procedure. Results were used as a calibration set for Visible/NIR reflectance and the estimation of carbon and nitrogen concentrations at both the leaf and canopy level. The canopy level study used high spectral resolution data from NASA's AVIRIS to estimate canopy level nitrogen and lignin concentration for the study sites." @default.
- 086f7566-5193-4bc3-a75a-c073e379bbe9 id "1656256" @default.
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- 086f7566-5193-4bc3-a75a-c073e379bbe9 path_label "Projects" @default.
- 086f7566-5193-4bc3-a75a-c073e379bbe9 prefLabel "ACCP" @default.
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