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Article

Exploring the Use of Sentinel-2 Data to Monitor Heterogeneous Effects of Contextual Drought and Heatwaves on Mediterranean Forests

1
IMAA—CNR (Institute of Methodologies for Environmental Analysis—Italian National Research Council), c.da Santa Loja snc, 85050 Tito Scalo (PZ), Italy
2
School of Agricultural, Forest, Food and Environmental Sciences, University of Basilicata, Viale dell’Ateneo Lucano 10, I-85100 Potenza, Italy
*
Author to whom correspondence should be addressed.
Land 2020, 9(9), 325; https://doi.org/10.3390/land9090325
Received: 21 July 2020 / Revised: 1 September 2020 / Accepted: 11 September 2020 / Published: 14 September 2020
The use of satellite data to detect forest areas impacted by extreme events, such as droughts, heatwaves, or fires is largely documented, however, the use of these data to identify the heterogeneity of the forests’ response to determine fine scale spatially irregular damage is less explored. This paper evaluates the health status of forests in southern Italy affected by adverse climate conditions during the hot and dry summer of 2017, using Sentinel-2 images (10m) and in situ data. Our analysis shows that the post-event—NDVI (Normalized Difference Vegetation Index) decrease, observed in five experimental sites, well accounts for the heterogeneity of the local response to the climate event evaluated in situ through the Mannerucci and the Raunkiaer methods. As a result, Sentinel-2 data can be effectively integrated with biological information from field surveys to introduce continuity in the estimation of climate change impacts even in very heterogeneous areas whose details could not be captured by lower resolution observations. This integration appears to be a successful strategy in the study of the relationships between the climate and forests from a dynamical perspective. View Full-Text
Keywords: Sentinel-2; in situ data; NDVI; extreme climatic events; Mediterranean forest vulnerability Sentinel-2; in situ data; NDVI; extreme climatic events; Mediterranean forest vulnerability
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MDPI and ACS Style

Coluzzi, R.; Fascetti, S.; Imbrenda, V.; Italiano, S.S.P.; Ripullone, F.; Lanfredi, M. Exploring the Use of Sentinel-2 Data to Monitor Heterogeneous Effects of Contextual Drought and Heatwaves on Mediterranean Forests. Land 2020, 9, 325. https://doi.org/10.3390/land9090325

AMA Style

Coluzzi R, Fascetti S, Imbrenda V, Italiano SSP, Ripullone F, Lanfredi M. Exploring the Use of Sentinel-2 Data to Monitor Heterogeneous Effects of Contextual Drought and Heatwaves on Mediterranean Forests. Land. 2020; 9(9):325. https://doi.org/10.3390/land9090325

Chicago/Turabian Style

Coluzzi, Rosa, Simonetta Fascetti, Vito Imbrenda, Santain S.P. Italiano, Francesco Ripullone, and Maria Lanfredi. 2020. "Exploring the Use of Sentinel-2 Data to Monitor Heterogeneous Effects of Contextual Drought and Heatwaves on Mediterranean Forests" Land 9, no. 9: 325. https://doi.org/10.3390/land9090325

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