On the spatial and temporal variability of Larch phenological cycle in 
mountainous areas

Colombo, Roberto; Busetto, Lorenzo; Migliavacca, Mirco; Cremonese, Edoardo; Meroni, Michele; Galvagno, Marta; Rossini, Micol; Siniscalco, Consolata; di Cella, Umberto Morra

doi:10.5721/ItJRS20094126

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On the spatial and temporal variability of Larch phenological cycle in mountainous areas

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Colombo, R., Busetto, L., Migliavacca, M., Cremonese, E., Meroni, M., Galvagno, M., et al. (2009). On the spatial and temporal variability of Larch phenological cycle in mountainous areas. Rivista Italiana di Telerilevamento, 41(2), 79-96. doi:10.5721/ItJRS20094126.

Cite as: https://hdl.handle.net/11858/00-001M-0000-0028-168B-3

Abstract

In this study we analyze the spatial and temporal variability of European Larch phenological cycle in mountainous areas (Val d'Aosta, Italy) by using a combination of satellite data, primary topographic attributes (altitude and aspect) and phenological models driven by climatic variables. We apply a remote sensing technique based on a time series of MODIS TERRA 250m 16-days NDVI data for mapping the inter-annual variability of phenological cycle. Starting from the satellite green-up snaps we spatially explored the response of larch phenology at different terrain conditions varying for altitude and aspect. A retrospective analysis based on climate-driven phenological models was finally conducted to evaluate the magnitude of temporal variability of Larch phenology in the last century.