Study on the Management and Visualization of Two-dimensional Water and Sediment Data Based on GIS
Li Na · Anhui nongye kexue · 2009
From the angle of data model,how to manage the data used in numerical simulation of 2D water and sediment mathematical model was studied.The types of the data used in the calculation of plane two-dimensional water and sediment value models were analyzed.According to the object-oriented data modeling method,the attributes,methods and relationship were defined.The suitable water and sediment mathematical model for the water and sediment value characteristics at the lower reaches of Yellow River was put forward.