ISSN 1000-0526
CN 11-2282/P
CN 11-2282/P
The Monitoring Method of Winter Wheat Growing Vigor by Remote Sensing in Complicated Topographical Regions Based on GIS
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Abstract:
The growing vigor of winter wheat is seriously affected by different topography,geomorphology and climate ecological conditions,and the monitoring accuracy of remote sensing is also limited by them. Based on the influence analysis of different topographical and climate ecological conditions to wheat growing vigor,NOAA/AVHRR data and topography map,soil map,year rainfall map,mean yearly temperature map,administrative area map etc. were integrated and the monitoring region was divided into several layers by means of the methods of scanning,data format transiting and database creating etc. based on EPPL7 GIS tools. The monitoring indexes of wheat growing vigor within different layers were acquired by systematic observed data and random investigating data. The mean monitoring accuracy of 8% was improved by excluding non wheat cells and distinguishing layers. The basic integrating application of GIS and RS was realized with some connection software.
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