Abstract
Environmental and development issues are the focus of attention in the world today. The analysis of the impact of projects on the environment is included in the evaluation of investment projects, and sustainable development, not just economic benefits, is used as the evaluation criteria for investment projects, which is important for improving and promoting human society Comprehensive progress is of great significance. The purpose of this paper is to study the environmental economic decision support information system based on GIS. Firstly, it introduces the feasibility analysis, demand analysis project and the implementation of key GIS technology based on the theory of environmental economics. Secondly, it introduces the data collection and design of GIS environmental economic decision support information system, including data collection, data processing, and data organization and management mode. It is the realization of the auxiliary decision support system for city M urban planning based on GIS, including the introduction of the system and the operation of the system interface. Analyzing the Gaussian atmospheric diffusion model module and the statistical calculation module in the decision support system, the green volume of the E and F areas both reached 55%, which provides better data support for the planning and design of the city.
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