The Research Of Atmospheric Environment Prediction Software Exploiture

In Atmospheric Environment Impact Assessment, Atmospheric Environment EffectPrediction is one of the most complex processes in calculation and concerned models.Compare with traditional calculated methods, specialized prediction software will increase theefficiency and the accuracy greatly. Through analyzing Atmospheric Environment EffectPrediction Model and related arithmetic, the article designed a compound source schemaadapted to computer processing and on this basis made use of Visual Basic 2005 ExpressEdition as development tools to build a complete system of Atmospheric EnvironmentPrediction Software.This system ameliorates the gaps between the abroad advanced software and AtmosphericEIA Assistant Software (EIAA) in design and core technology. First, the Digital ElevationModel System developed independently can build Triangulated Irregular Network (TIN)through the contour lines of topographic map and discrete altitude data point to acquire thealtitude information of arbitrary point. The system applies the altitude data to the calculation ofAtmospheric Environment Effect Prediction and improves the predicted computationalaccuracy under the topographical condition by amending the parameters as effective plumeheight (He). Secondly, the isoline drawing engine developed independently is more expressivein vision: according to different concentration it can fill the isoline with different transparenciesand colors and drawing a vectorial mimetic diagraph of diffusion with continuous transparentcolors, then superimposes the above result on the map and the remote sensing image.Furthermore, the parameter editing interface with the design and the property grid for reportprovides easier operating methods, and the automated interlace on the basis of VSA scriptengine provides better expansibility.This article has verified the result of calculation with Atmospheric EIA Assistant Softwareand SrcP devised by ACEE-LEM. The results prove most consequences of calculation. Someslight gaps in calculation of part model may be caused by the differences betweencomputational accuracies and specified calculation methods, needs more investigation andvalidations.