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Multi-temporal land use mapping using remotely sensed techniques and the integration of a pollutant load model in a GIS

Identifieur interne : 00AB84 ( Main/Exploration ); précédent : 00AB83; suivant : 00AB85

Multi-temporal land use mapping using remotely sensed techniques and the integration of a pollutant load model in a GIS

Auteurs : Daniel Ierodiaconou [Australie] ; Laurie Laurenson [Australie] ; Marc Leblanc [Australie] ; Frank Stagnitti [Australie] ; Gordon Duff [Australie] ; Scott Salzman [Australie]

Source :

RBID : Pascal:04-0598679

Descripteurs français

English descriptors

Abstract

Estimation of nutrient load production based on multi-temporal remotely sensed land-use data for the Glenelg-Hopkins region in southwest Victoria, Australia, is discussed. Changes in land use were mapped using archived Landsat data and computerized classification techniques. Land-use change is unparalleled in recent history, with 13% of the region transformed in the last decade. Total nitrogen and phosphorus loading were estimated using an export coefficient model. The analysis demonstrated a disturbing increase in nitrogen and phosphorus loadings from 1995 to 2002. Whilst such increases were suspected from past anecdotal and ad-hoc evidence, our modelling quantitatively estimated such increases and thus demonstrated the enormous potential of using remote sensing and GIS for monitoring land-use change and hence improve land-use management.


Affiliations:


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Le document en format XML

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