青海省牧区雪灾监测与预警系统的设计

Design of a monitoring and early warning system for snow disaster in a pastoral area of Qinghai Province

本研究欲通过改进数据存取方式、增加矩阵运算以提高雪灾监测与预警系统对数据的更新效率和对矩阵的处理能力。使用Tomcat Web服务、GeoServer地图服务、PostgreSQL数据库、OpenLayers地图数据访问框架、J2EE技术架构、雪灾风险评估Logistic线性回归模型、雪灾家畜死亡率估测BP-ANN模型以及MATLAB矩阵运算功能设计开发青海省牧区雪灾监测与预警系统,以实现雪灾监测与预警数据、区域属性信息的web页面展示及查询,雪灾风险概率运算,雪灾家畜死亡率运算以及数据导入等功能,解决以往雪灾风险监测系统对数据资料更新不及时的问题,提高风险监测与预警系统的矩阵运算能力,同时减少重复的数据操作,方便用户对青海省牧区雪灾监测及预警数据的管理。

In this study,we aimed to improve the speed of data updating and matrix calculating capacity in a monitoring and early warning system for snow disaster by improving the means of data access and increasing application of the matrix operation.In this study,we designed a monitoring and early warning system for snow disaster in Qinghai Province using Tomcat as a Web server,GeoServer as a map server,PostgreSQL as a database,OpenLayers as map access,J2EE as a standard software,logistic linear regression for snow disaster assessment,BP-ANN as a model for livestock mortality estimation,and MATLAB for matrix calculation.We also designed a Web-page display and query for regional attribute and snow disaster information,risk probability of snow disaster,livestock mortality due to snow disaster,data import,and other functions.This system was optimized to solve the problem that a snow disaster monitoring system could not update data in sufficient time,to add the function of matrix calculus,and to reduce duplication of data operations,which are convenient for the user to manager the data of monitoring and early warning of snow disaster in pastoral areas of Qinghai Province.