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A global assessment of gross and net land change dynamics for current conditions and future scenarios

Fuchs, Richard; Prestele, Reinhard; Verburg, Peter H.

Abstract (englisch):

The consideration of gross land changes, meaning all area gains and losses within a pixel or administrative unit (e.g. country), plays an essential role in the estimation of total land changes. Gross land changes affect the magnitude of total land changes, which feeds back to the attribution of biogeochemical and biophysical processes related to climate change in Earth System Models. Global empirical studies on gross land changes are currently lacking. Whilst the relevance of gross changes for global change has been indicated in the literature, it is not accounted for in future land change scenarios. In this study, we extract gross and net land change dynamics from large-scale and high-resolution (30-100m) remote sensing products to create a new global gross and net change dataset. Subsequently, we developed an approach to integrate our empirically derived gross and net changes with the results of future simulation models, by accounting for the gross and net change addressed by the land use model and the gross and net change that is below the resolution of modelling. Based on our empirical data, we found that gross land change within 0.5-degree grid cells were substantially larger than net changes in all parts of the world. ... mehr

Postprint §
DOI: 10.5445/IR/1000080670
Veröffentlicht am 05.03.2018
DOI: 10.5194/esd-2017-121
Zitationen: 3
Cover der Publikation
Zugehörige Institution(en) am KIT Institut für Meteorologie und Klimaforschung – Atmosphärische Umweltforschung (IMK-IFU)
KIT-Zentrum Klima und Umwelt (ZKU)
Publikationstyp Zeitschriftenaufsatz
Publikationsdatum 15.12.2017
Sprache Englisch
Identifikator ISSN: 2190-4995
KITopen-ID: 1000080670
HGF-Programm 12.02.02 (POF III, LK 01) Vegetation climate- and land use system
Erschienen in Earth System Dynamics Discussions
Verlag Copernicus Publications
Seiten 1–29
Nachgewiesen in Dimensions
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