http://www.cnr.it/ontology/cnr/individuo/prodotto/ID170100

A flexible multi-source spatial-data fusion system for environmental status assessment at continental scale (Articolo in rivista)

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A flexible multi-source spatial-data fusion system for environmental status assessment at continental scale (Articolo in rivista) (literal)

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Alternative label

Carrara P., Bordogna G., Boschetti M., Brivio P.A., Nelson A., Stroppiana D. (2008)
A flexible multi-source spatial-data fusion system for environmental status assessment at continental scale
in International journal of geographical information science (Print); Taylor & Francis Group, London (Regno Unito)
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Carrara P., Bordogna G., Boschetti M., Brivio P.A., Nelson A., Stroppiana D. (literal)

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Impact factor (2012) = 1.59 numero citazioni = 8 selezionato per la divulgazione delle attività del CNR nel biennio 2008-2009 dall'ufficio \"Promozione e Sviluppo Collaborazioni,\" per il contenuto innovativo e per la potenziale ricaduta mediatica. (literal)

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Carrara P., M. Boschetti, P.A. Brivio, D. Stroppiana: CNR-IREA; G. Bordogna: CNR-IDPA; A. Nelson: JRC-GEM Unit, Ispra, Italy (literal)

Titolo

A flexible multi-source spatial-data fusion system for environmental status assessment at continental scale (literal)

Abstract

The monitoring of the environment's status at continental scale involves the integration of information derived by the analysis of multiple, complex, multidisciplinary, and large-scale phenomena. Thus, there is a need to define synthetic Environmental Indicators (EIs) that concisely represent these phenomena in a manner suitable for decision-making. This research proposes a flexible system to define EIs based on a soft fusion of contributing environmental factors derived from multi-source spatial data (mainly Earth Observation data). The flexibility is twofold: the EI can be customized based on the available data, and the system is able to cope with a lack of expert knowledge. The proposal allows a soft quantifier-guided fusion strategy to be defined, as specified by the user through a linguistic quantifier such as 'most of'. The linguistic quantifiers are implemented as Ordered Weighted Averaging operators. The proposed approach is applied in a case study to demonstrate the periodical computation of anomaly indicators of the environmental status of Africa, based on a 7-year time series of dekadal Earth Observation datasets. Different experiments have been carried out on the same data to demonstrate the flexibility and robustness of the proposed method. (literal)

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