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Simulating L-band emission of coniferous forests using a discrete model and a detailed geometrical representation

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5 Author(s)
A. Della Vecchia ; Dipt. di Informatica, Sistemi e Produzione, Tor Vergata Univ., Rome, Italy ; K. Saleh ; P. Ferrazzoli ; L. Guerriero
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A discrete model, based on the radiative transfer theory, is used to simulate coniferous forest emissivity at L-band. Inputs to the model are given by using a detailed geometrical representation of Les Landes forest. Simulated emissivities are compared against EuroSTARRS campaign measurements, which were made over the same forest at nominally vertical polarization and several angles. The model has also been used to investigate the sensitivity of L-band radiometers to soil moisture under forests. Results of this investigation indicate that the soil contribution to emission is potentially appreciable, even under developed forests. This may be a useful result, in view of future satellite missions, such as SMOS and HYDROS

Published in:

IEEE Geoscience and Remote Sensing Letters  (Volume:3 ,  Issue: 3 )