Optimal environment variable screening method for time-space dynamic prediction of soil organic carbon pool
An environmental variable, spatiotemporal dynamic technology, applied in the field of quantitative soil science, can solve problems such as difficult to define, affect the spatiotemporal dynamic estimation of soil carbon pool, mutual influence, etc., and achieve the effect of easy promotion.
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[0036] The specific implementation manners of the present invention will be further described in detail below in conjunction with the accompanying drawings.
[0037] The basic idea of the optimal environmental variable screening method for the temporal and spatial dynamic prediction of soil organic carbon pools designed in the present invention is to collect and sort out soil databases, dynamic and static environmental variable sets in different periods, and specify soil carbon pool simulations according to the timeliness of soil data. Valid time period - "time slice". According to the soil organic carbon density information in different landscape areas, various attribute information of various dynamic and static environmental variables are analyzed, and then the AHP and expert knowledge are used to construct an effective optimal set of environmental variables within a specific time slice.
[0038] Such as figure 1 As shown, the present invention designs a method for screen...
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