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- W2134202589 abstract "In this study, waveforms acquired by the Geoscience Laser Altimeter System (GLAS) were combined with SRTM elevations to discriminate the five forest landscape types (LTs) in French Guiana. Two differences were calculated: (1) penetration depth, defined as the GLAS highest elevations minus the SRTM elevations, and (2) the GLAS centroid elevations minus the SRTM elevations. The results show that these differences were similar for the five LTs, and they increased as a function of the GLAS canopy height and of the SRTM roughness index. Next, a Random Forest (RF) classifier was used to analyze the coupling potential of GLAS and SRTM in the discrimination of forest landscape types in French Guiana. Results showed an overall classification accuracy of 81.3% and a kappa coefficient of 0.75. All forest LTs were well classified with an accuracy varying from 78.4% to 97.5%. Finally, differences of near coincident GLAS waveforms, one from the wet season and one from the dry season, were also analyzed. Results indicated that forests that lose leaves during the dry season were easily discriminated from the other LTs that retain their leaves." @default.
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- W2134202589 date "2014-07-01" @default.
- W2134202589 modified "2023-10-11" @default.
- W2134202589 title "Coupling potential of ICESat/GLAS and SRTM for the discrimination of forest landscape types in French Guiana" @default.
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- W2134202589 doi "https://doi.org/10.1109/igarss.2014.6946866" @default.
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