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Overview of the SNF Project
During the summers of 1983 and 1984, the National Aeronautics and
Space Administration (NASA) conducted an intensive experiment in
a portion of the Superior National Forest (SNF) near Ely, Minnesota, U.S.A.
The purpose of the experiment was to
investigate the ability of remote sensing to provide estimates
of biophysical properties of ecosystems, such as leaf area index
(LAI), biomass, and net primary productivity (NPP).
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See the SNF Campaign Document. SNF Related Resources
Learn more about the SNF Project using the following on-line resources:
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Get SNF Data
Find and order data sets:
Download data sets directly:
In-Depth
Detailed vegetation data were collected on the ground for about 100
sampled sites. These sites represent a range of stand density and age
for spruce and aspen and also include jackpine and mixed stands. At
each site, five circular subplots of 16 meters in diameter were sampled
within a large plot of 60 meters in diameter. Within the subplots, all
woody stems over 2 meters in height were tallied by species, diameter,
and height.
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