Building and application of GIS platform in the provincial disaster relief and emergency command system

Sichuan is one of the provinces in China with worst natural disasters, which with variety, wide range, and high frequency characteristics. In this paper against the basic geographic information system data and a variety of geographic applications, we design a provincial disaster relief and emergency command GIS platform, and build integration geographic information online service system based on multi-node. This design of GIS emergency command system achieved vertical and horizontal connectivity and effective integration of geographic information resources for city, provincial, and state. It with comprehensive service capabilities of geographic information service and multi-level interact. It also provides one-stop geographic information service. It offers online geographic information services for the government's macroeconomic policy, emergency management, and social welfare services, and enhances geographic information and public service capacity and level under conditions of informatization.