Fourier analysis of multi-temporal AVHRR data applied to a land cover classification |
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| Authors: | LUDOVIC ANDRES WILLIAM A. SALAS DAVID SKOLE |
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| Affiliation: | 1. International Geosphere and Biosphere Program—Data and Information System Office, Université Paris VI , Bo? 97, 4 place Jussieu, Paris Cedex 05, 75230, France;2. Complex Systems Research Center, Science and Engineering Building, , University of New Hampshire , Durham, NH, 03824-3525, U.S.A. |
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| Abstract: | A signal processing technique is presented and applied to annual patterns of the Global Vegetation Index (GVI) derived from the Advanced Very High Resolution Radiometer (AVHRR) to examine the frequency distribution of the multi-temporal signal. It is shown that frequencies of the signal are linked to integrated GVI, seasonal variability and subseasonal variability of the land cover type. These characteristics are used to derive a land cover classification. |
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