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Land cover and vegetation carbon stock changes in Greece: a 29-year assessment based on CORINE and Landsat land cover data / A. Gemitzi in Science of the Total Environment, vol. 786 (10 September 2021)  

Public ISBD Aucun avis sur cette notice. [article]  inScience of the Total Environment > vol. 786 (10 September 2021) . - p. 1-12 Titre : Land cover and vegetation carbon stock changes in Greece: a 29-year assessment based on CORINE and Landsat land cover data Type de document : objet à 3 dimensions, artefacts, ... Auteurs : A. Gemitzi ; F. Kratouna ; R. Albarakat ; A. Gemitzi ; V. Lakshmi Année de publication : 2021 Article en page(s) : p. 1-12 Langues : Anglais (eng) Langues originales : Anglais (eng) Catégories : A HISTOIRE - Pays et ensemble de pays:Histoire de l'Europe:Europe occidentale:Grèce ; F POPULATIONS - ETUDES DE CAS:D SOCIOLOGIE - ETHNOLOGIE - ANTHROPOLOGIE :4.45 Etablissements humains et utilisation des terres:Utilisation des terres ; S SCIENCES ET TECHNIQUES:Pollution, catastrophes et sécurité:Dégradation de l'environnement:Changement climatique ; S SCIENCES ET TECHNIQUES:Sciences de la chimie:Élément chimique:Carbone Mots-clés : 07 - ENVIRONNEMENT  7.1 - Généralités. Situation Environnementale  LAND COVER  COUVERTURE DU SOL  LAND USE  CARBON  CARBON SEQUESTRATION  SEQUESTRATION DU CARBONE  CLIMATIC CHANGE  GREECE Résumé : Evaluation of carbon sequestration in various land cover types is a valuable tool for environmental policies targeting towards minimization of CO2 emissions and climate change impacts. For the past few decades, remotely sensed information on land cover has been used as useful alternative to ground observations and has proved to be a robust tool for studying land use / land cover (LULC) changes. The present work deals with the assessment of land-cover changes in a Mediterranean country - Greece, where expected climate change impacts and desertification risk are stated to be severe. This work focused on the CORINE land cover inventory at a spatial resolution of 100 m from 1990 to 2018 and selected Landsat images at 30 m spatial resolution for 1990, 2000 and 2018. Results indicated that the dominant land-cover changes in Greece over the predefined 29-year period, are related to land transformation from Non-irrigated arable land to Irrigated areas, implying an intensification of agricultural practices. Natural grasslands lose a substantial part of their areas transforming into Sclerophyllus vegetation and Sparsely vegetated areas. Forests gain areas from Transitional woodland-shrub and Olive groves increase their extent indicating an overall transition to woody vegetation. Estimation of Vegetation Carbon Stocks indicated a moderate decrease in the 1990 decade followed by a significant increase up to 2012 and a slight decrease thereafter. Forests of all types are by far the most important carbon sinks. Possible implications of country's recent economic crisis were examined and results indicated that economic welfare of the country seems to favor certain land cover types such as Mixed Forests and Permanently Irrigated land, but also preservation of the Vegetation Carbon Stocks. En ligne : https://doi.org/10.1016/j.scitotenv.2021.147408 Permalink : https://cs.iut.univ-tours.fr/index.php?lvl=notice_display&id=272793 [article] Land cover and vegetation carbon stock changes in Greece: a 29-year assessment based on CORINE and Landsat land cover data [objet à 3 dimensions, artefacts, ...] / A. Gemitzi ; F. Kratouna ; R. Albarakat ; A. Gemitzi ; V. Lakshmi . - 2021 . - p. 1-12. Langues : Anglais (eng) Langues originales : Anglais (eng) in Science of the Total Environment > vol. 786 (10 September 2021) . - p. 1-12 Catégories : A HISTOIRE - Pays et ensemble de pays:Histoire de l'Europe:Europe occidentale:Grèce ; F POPULATIONS - ETUDES DE CAS:D SOCIOLOGIE - ETHNOLOGIE - ANTHROPOLOGIE :4.45 Etablissements humains et utilisation des terres:Utilisation des terres ; S SCIENCES ET TECHNIQUES:Pollution, catastrophes et sécurité:Dégradation de l'environnement:Changement climatique ; S SCIENCES ET TECHNIQUES:Sciences de la chimie:Élément chimique:Carbone Mots-clés : 07 - ENVIRONNEMENT  7.1 - Généralités. Situation Environnementale  LAND COVER  COUVERTURE DU SOL  LAND USE  CARBON  CARBON SEQUESTRATION  SEQUESTRATION DU CARBONE  CLIMATIC CHANGE  GREECE Résumé : Evaluation of carbon sequestration in various land cover types is a valuable tool for environmental policies targeting towards minimization of CO2 emissions and climate change impacts. For the past few decades, remotely sensed information on land cover has been used as useful alternative to ground observations and has proved to be a robust tool for studying land use / land cover (LULC) changes. The present work deals with the assessment of land-cover changes in a Mediterranean country - Greece, where expected climate change impacts and desertification risk are stated to be severe. This work focused on the CORINE land cover inventory at a spatial resolution of 100 m from 1990 to 2018 and selected Landsat images at 30 m spatial resolution for 1990, 2000 and 2018. Results indicated that the dominant land-cover changes in Greece over the predefined 29-year period, are related to land transformation from Non-irrigated arable land to Irrigated areas, implying an intensification of agricultural practices. Natural grasslands lose a substantial part of their areas transforming into Sclerophyllus vegetation and Sparsely vegetated areas. Forests gain areas from Transitional woodland-shrub and Olive groves increase their extent indicating an overall transition to woody vegetation. Estimation of Vegetation Carbon Stocks indicated a moderate decrease in the 1990 decade followed by a significant increase up to 2012 and a slight decrease thereafter. Forests of all types are by far the most important carbon sinks. Possible implications of country's recent economic crisis were examined and results indicated that economic welfare of the country seems to favor certain land cover types such as Mixed Forests and Permanently Irrigated land, but also preservation of the Vegetation Carbon Stocks. En ligne : https://doi.org/10.1016/j.scitotenv.2021.147408 Permalink : https://cs.iut.univ-tours.fr/index.php?lvl=notice_display&id=272793

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