A Method for Establishing Reference Plots for Remote Sensing Monitoring of Alpine Grasslands
A technology for remote sensing monitoring and establishing methods, which is applied in the directions of measuring devices, surveying and navigation, photogrammetry/video metrology, etc., which can solve the problems of large amounts of data and inability to monitor continuously, and achieve a comprehensive and repeatable system. Effect
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[0035] The technical scheme is implemented in the alpine grassland of Maqin County, Qinghai Province. Determine the scope of alpine grassland survey, determine the basic vegetation types from remote sensing images, and determine the control plots according to the type and range. As a whole, a control sample plot is determined for each type and each terrain. Determine the reference sample plot in the control sample plot. The reference sample plot covers as much information as possible according to the specific ground conditions, including disturbance, vegetation composition, topography, soil and other characteristics. The tools used include differential GPS, 100-meter ruler, triangular iron column, and related vegetation survey tools. The result is as Figure 1-4 shown.
[0036] A method for establishing a reference sample plot for remote sensing monitoring alpine grassland, comprising the following steps:
[0037] (1) Select areas with more community types, more terrains,...
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