Mapping the biomass of Bornean tropical rain forest from remotely sensed data
Foody, G.M., Cutler, M.E., McMorrow, J., Pelz, D., Tangki, M. and Boyd, D.S. (2001) Mapping the biomass of Bornean tropical rain forest from remotely sensed data. Global Ecology & Biogeography, 10, (4), p.379. (doi:10.1046/j.1466-822X.2001.00248.x).
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The biomass and biomass dynamics of forests are major uncertainties in our understanding of tropical environments. Remote sensing is often the only practical means of acquiring information on forest biomass but has not always been used successfully. Here the conventional approaches to the estimation of forest biomass from remotely sensed data were evaluated relative to techniques based on the application of artificial neural networks. Together these approaches were used to estimate and map the biomass of tropical forests in north-eastern Borneo from Landsat TM data. The neural networks were found to be particularly suited to the application. A basic multi-layer perceptron network, for example, provided estimates of biomass that were strongly correlated with those measured in the field (r = 0.80). Moreover, these estimates were more strongly correlated with biomass than those derived from 230 conventional vegetation indices, including the widely used normalized difference vegetation index (NDVI).
|Subjects:||G Geography. Anthropology. Recreation > G Geography (General)|
|Divisions:||University Structure - Pre August 2011 > School of Geography > Remote Sensing and Spatial Analysis
|Date Deposited:||23 Jun 2005|
|Last Modified:||06 Aug 2015 02:16|
|RDF:||RDF+N-Triples, RDF+N3, RDF+XML, Browse.|
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