Open AccessTerrain Pre-process the Lower Reaches Yellow River and Delta Estuary Coast of Two Dimensional Numerical Model
Author(s) -
Lei Ma,
Chung-Hsiang Jiang,
Dongfeng Li,
Hongwu Zhang,
Zihao Li
Publication year - 2021
Publication title -
journal of physics. conference series
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.21
H-Index - 85
eISSN - 1742-6596
pISSN - 1742-6588
DOI - 10.1088/1742-6596/1885/5/052041
Subject(s) - terrain , estuary , interpolation (computer graphics) , river delta , geology , channel (broadcasting) , landform , boundary (topology) , bay , hydrology (agriculture) , remote sensing , delta , geomorphology , computer science , oceanography , geotechnical engineering , geography , cartography , engineering , artificial intelligence , motion (physics) , computer network , mathematical analysis , mathematics , aerospace engineering
Mike21 is a professional engineering software package for simulating the flow, wave, sediment and environmental problems of rivers, lakes, estuaries, bays, coasts and oceans. The pre-processing of the terrain in the study area is an important foundation for constructing the Mike21 model. In order to improve the calculation accuracy of the Mike21 model, taking the lower Yellow River estuary channel and the Bohai Bay area as an example, the use of Google Earth satellite images and the AutoCAD topographic map to extract the terrain boundary is discussed, and the terrain interpolation problem in terrain pre-processing is discussed. The two terrain pre-processing methods can effectively improve the terrain pre-processing efficiency and make the terrain processing result file more realistic.