Abstract Experimental area of the stUdy is in forest area in southwest china where forest fires occured frequently and monitoring them was quite difficult. Principal purpose of the study is to increase the accuracy Of discovering forest fire. The study involved imagery processing technique on microcomputer, geographic information system (GIS) and distribudtion law of forest fire as well as information extract technique of forest fire from NOAA-AVHRR data and application of eXpert system (ES). The paper introduced research methods of the study, descriped principle of its achievements and further prospected main research aspectS in this field.
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