Components of surface energy balance in a temperate grassland ecosystem |
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| Authors: | Joon Kim Shashi B Verma |
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| Institution: | (1) Department of Agricultural Meteorology, University of Nebraska, 68583-0728 Lincoln, NE, USA |
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| Abstract: | Eddy correlation measurements were made of fluxes of moisture, heat and momentum at a tallgrass prairie site near Manhattan, Kansas, U.S.A. during the First ISLSCP Field Experiment (FIFE) in 1987. The study site is dominated by three C4 grass species: big bluestem (Andropogon gerardii), indiangrass (Sorghastrum nutans), and switchgrass (Panicum virgatum). The stomatal conductance and leaf water potential of these grass species were also measured.In this paper, daily and seasonal variations in the components of the surface energy balance are examined. The aerodynamic and canopy surface conductances for the prairie vegetation are also evaluated.Published as Paper No. 8987, Journal Series, Nebraska Agricultural Research Division.
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