The consequences of land use change on nutrient exports: a regional scale assessment in south-west Victoria, Australia

Ierodiaconou, Daniel, Laurenson, Laurie, Leblanc, Marc, Stagnitti, Frank, Duff, Gordon, Salzman, Scott, and Versace, Vince (2005) The consequences of land use change on nutrient exports: a regional scale assessment in south-west Victoria, Australia. Journal of Environmental Management, 74 (4). pp. 305-316.

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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 computerised classification techniques. Land use change has been rapid in recent history with 16% of the region transformed in the last 22 years. Total nitrogen and phosphorus loads were estimated using an export coefficient model. The analysis demonstrates an increase in modelled nitrogen and phosphorus loadings from 1980 to 2002. Whilst such increases were suspected from past anecdotal and ad-hoc evidence, our modelling estimated the magnitude of such increases and thus demonstrated the enormous potential of using remote sensing and GIS for monitoring regional scale environmental processes.

Item ID: 1721
Item Type: Article (Refereed Research - C1)
Keywords: remote sensing; land use mapping; GIS; pollutant load modelling
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ISSN: 1095-8630
Date Deposited: 10 Oct 2007
FoR Codes: 04 EARTH SCIENCES > 0406 Physical Geography and Environmental Geoscience > 040608 Surfacewater Hydrology @ 0%
07 AGRICULTURAL AND VETERINARY SCIENCES > 0799 Other Agricultural and Veterinary Sciences > 079901 Agricultural Hydrology (Drainage, Flooding, Irrigation, Quality, etc) @ 0%
04 EARTH SCIENCES > 0406 Physical Geography and Environmental Geoscience > 040603 Hydrogeology @ 0%
Citation Count from Web of Science Web of Science 30
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