Research On The Remote Sensing Monitoring Dynamically Grassland Vegetation Index Seasonal Variation

The grassland vegetation index change changes the disciplinarian in announcing the grassland , expound the relation between meadow ecosystem structure and environment , utilize grassland resources and keep grassland animal husbandry sustainable development significant scientifically. This text makes use of the new generation EOS/ MODIS satellite remote sensing data, aiming at MODIS applied characteristics, Use for reference domestic and international method of monitoring vegetation on remote sensing and research progress of vegetation index, discussing the way and the method of grassland variety dynamic monitoring. Regard area of Urumchi as the research object, use the MVC of vegetation index, have synthesized the maximum monthly vegetation index map from April of 2004 to October of this area , Procedure using me to develop makes the thematic map of the index of vegetation and vegetation index change and vegetation index variety evaluation map. At the same time, using maximum monthly vegetation index map , analyse Urumchi space-time change characteristic of vegetation index (MODIS-NDVI ) , Set up dynamically , EOS/MODIS of business meadow remote sensing the monitoring system of, offer the fast , simple and direct technological service for the fact that the meadow change of region of Urumchi . Regard grassland of the north slope of Tian Mountain midsection of south suburb of Urumchi as the studying area of the model at the same time, Through the typical compatible biomass data on the ground of grassland while sampling and getting with MODIS imaging datum on the spot of district field, Utilize ENVI software to draw out the typical district vegetation index value at various kinds of o'clock, Have analysed the relevant relations between the vegetation index of remote sensing and vegetation biomass, Thus set up vegetation index and estimate the model of biomass in steppe and grassland meadow in different seasons..