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Multi-temporal land use mapping using remotely sensed techniques and the integration of a pollutant load model in a GIS
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posted on 2004-01-01, 00:00 authored by Daniel IerodiaconouDaniel Ierodiaconou, Laurie Laurenson, M Leblanc, Francesco Stagnitti, G Duff, Scott SalzmanScott SalzmanEstimation 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.
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.
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Journal
IAHS Proceedings and ReportsVolume
289Pagination
343 - 352Publisher
IAHSLocation
Wallingford, EnglandISSN
0144-7815Language
engPublication classification
C1 Refereed article in a scholarly journalUsage metrics
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