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the major aim of processing satellite images is to prepare topical and effectivemaps. the selection of appropriate classification methods plays an important role. amongvarious methods existing for image classification, artificial neural network method is ofhigh accuracy. in present study, tm images of 1987, and etm+ images of 2000 and 2006were analyzed using artificial fuzzy artmap neural netwo...

because of low spatial resolution and simplifications in meteorological processes in global circulation models, they cannot sufficiently simulate the weather, comparing to the regional models; then, spatial and temporal downscaling of the gcm outputs are needed for decreasing errors of the global circulation models. there are two methods of downscaling: statistical and dynamic. weather generato...

We consider the frame problem, that is, char­ acterizing the assumption that properties tend to persist over time. We show that there are at least three distinct assumptions that can be made. We show the first assumption, which have been widely studied, is not naturally captured by circumscription. The first assumption is, "there is as little change as possible between one situation and the nex...

1 Department of Global Change Research, Institut Mediterrani d’Estudis Avançats (Universitat de les Illes Balears-Consejo Superior de Investigaciones Científicas), Esporles, Spain, 2 Department of Marine Resources and Ecology, Institut Mediterrani d’Estudis Avançats (Universitat de les Illes Balears-Consejo Superior de Investigaciones Científicas), Esporles, Spain, 3 Biological and Environmenta...