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600 results about "Multi resolution" patented technology

Multi-Resolution Land Characteristics (MRLC) Consortium. The Multi-Resolution Land Characteristics (MRLC) consortium is a group of federal agencies who coordinate and generate consistent and relevant land cover information at the national scale for a wide variety of environmental, land management, and modeling applications.

Submerged line tracking method for flood evolution simulation in complicated river channel landform area

InactiveCN105844709ARealize dynamic identificationExact search3D modellingComputation processLandform
The invention relates to a submerged line tracking method for flood evolution simulation in a complicated river channel landform area. The submerged line tracking method comprises four process of generating a digital river channel multi-resolution grid segmentation model; modeling and computing a simulation forecast model for a drainage area flood evolution state, wherein the process is operated in parallel with the process of generating the digital river channel multi-resolution grid segmentation model; accurately searching the submerging boundary of the complicated river channel landform; and dynamically identifying a drainage area flood evolution submerged area. The submerged line tracking method performs accurate searching on the submerging boundary of the complicated river channel landform through establishing the digital river channel multi-resolution grid segmentation model and the simulation forecast model, thereby realizing dynamic identification on the drainage area flood evolution submerged area, accurately simulating complicated river channels at various landforms, and quickly simulating a flood submerged area. Quick, accurate and visual forecast on time, water depths and flow and even flow velocity in flood evolution to different river segments are realized. A scientific basis is laid for disaster prevention and mitigation operation before flooding.
Owner:CHINA INST OF WATER RESOURCES & HYDROPOWER RES
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