%0 Journal Article %J Photogrammetric Engineering and Remote Sensing %D 1991 %T Environmental analysis using integrated GIS and remotely sensed data: Some research needs and priorities %A Davis, F. W. %A Quattrochi, D. E. %A Ridd, M. K. %A Lam, N. S. N. %A Walsh, S. J. %A Michaelsen, J. C. %A Franklin, J. %A Stow, D. A. %A Johannsen, C. J. %A Johnston, C. A. %K scale, scale-dependence, multiscale sampling, global change, minimum mapping unit, sensitivity analysis %B Photogrammetric Engineering and Remote Sensing %V 57 %P 689-697 %8 1991 %G eng