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Una comparación de programas de modelación de cambios de cobertura/ uso del suelo

Authors: Mas, Jean-François; Kolb, Melanie; Houet, Thomas; Paegelow, Martin; Camacho Olmedo, Maria Teresa;

Una comparación de programas de modelación de cambios de cobertura/ uso del suelo

Abstract

Land use/cover changes (LUCC) are significant to a range of issues central to the study of global environmental change and have thus have received growing attention by decision makers and scientists. Over the last decades, a range of models of LUCC have been developed to meet land management needs, and to better understand, assess and project the future role of LUCC in the functioning of the earth system. This study intends to compare the possibilities and the limits of four modelling approaches: CLUE, DINAMICA EGO, CA_MARKOV and Land Change Modeler (both available in IDRISI). First, a review of methods and tools available for each model was done taking into account how the model carry out the different procedures involved in the modelling process (Estimation of the quantity of changes, finding of the relationship between the explanatory variables and the changes in order to assess the degree of change potential, change allocation, simulation of spatial patterns of changes, model evaluation). The four models were applied to simple case studies and model outputs were compared. variables explicativas permite mapear la probabilidad de las diferentes transiciones. Otros procedimientos, aplicados con el fin de crear un mapa prospectivo de CUS, involucran técnicas para asignar los cambios en el espacio y, finalmente, para reproducir los patrones espaciales de los paisajes. Por último, se lleva usualmente a cabo una evaluación del desempeño del modelo.

En las últimas décadas, una gran cantidad de modelos de cambios de cobertura / uso del suelo (CCUS) enfocados a la simulación de procesos de cambio han sido desarrollados. Los CCUS pueden modelarse empíricamente mediante un análisis de los cambios pasados para desarrollar un modelo matemático que estima la probabilidad de cambio en función de un conjunto de variables explicativas. En general, el análisis espacial de los cambios se lleva a cabo a través de la comparación de dos mapas de cobertura/uso del suelo (CUS) de dos fechas anteriores. Esta comparación permite estimar los patrones y procesos de cambio (tipos de transiciones y tasas de cambio). El análisis de los cambios pasados en relación con las

Este estudio se llevó a cabo en el ámbito del proyecto Simulaciones geomáticas para modelizar dinámicas ambientales. Avances metodológicos y temáticos (BIA2008-00681).

Country
Spain
Keywords

modelling, land cover change, [SHS.GEO] Humanities and Social Sciences/Geography, Modelos espaciales, Markov, Land use, Cambios de cobertura/ uso del suelo (CCUS), GIS, Land use/ cover changes (LUCC), Modelling

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
Average
Average
Green