Valutazione dinamica del fattore copertura del suolo (C-factor) della RUSLE attraverso immagini telerilevate.

Autori

  • Sergio Grauso ENEA - Agenzia nazionale per le nuove tecnologie, l'energia e lo sviluppo economico sostenibile
  • Vladimiro Verrubbi ENEA - Agenzia nazionale per le nuove tecnologie, l'energia e lo sviluppo economico sostenibile
  • Alessandro Zini ENEA - Agenzia nazionale per le nuove tecnologie, l'energia e lo sviluppo economico sostenibile

Parole chiave:

telerilevamento, NDVI, uso del suolo, RUSLE, analisi di regressione

Abstract

A correlation analysis between mean Normalized Difference Vegetation Index (NDVI), derived from MODIS imagery time-series (2001-2016), and mean long-term cover management data derived from the C-factor map of the European Union, is here reported. The aim was to find out a model equation helpful to easily estimate the C-factor of the RUSLE by using the remotely sensed vegetation index as predictor. A sigmoid logistic function resulted to fit well with the observed data (R-square = 0.989, RMSE = 0.015). Two examples of simulations at annual timescale are provided, proving the versatility of the proposed model to estimate the C-factor at differently refined timescales and to easily draw updated maps basing on the availability of NDVI data-series.

Biografie autore

Sergio Grauso, ENEA - Agenzia nazionale per le nuove tecnologie, l'energia e lo sviluppo economico sostenibile

Dipartimento Sostenibilità  dei Sistemi Produttivi e Territoriali

Vladimiro Verrubbi, ENEA - Agenzia nazionale per le nuove tecnologie, l'energia e lo sviluppo economico sostenibile

Dipartimento Sostenibilità  dei Sistemi Produttivi e Territoriali

Alessandro Zini, ENEA - Agenzia nazionale per le nuove tecnologie, l'energia e lo sviluppo economico sostenibile

Servizio Analisi del Sistema Energetico

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Pubblicato

2019-07-05

Come citare

Grauso, S., Verrubbi, V., & Zini, A. (2019). Valutazione dinamica del fattore copertura del suolo (C-factor) della RUSLE attraverso immagini telerilevate. GEOmedia, 23(2). Recuperato da https://www.mediageo.it/ojs/index.php/GEOmedia/article/view/1576

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