基于GIS的松辽流域雨量等值线自动绘制技术开发

Development of automatic drawing technique for rainfall amountisohyetal line chart based GIS in Songliao rivers basin

本文阐述了基于GIS的松辽流域雨量等值线自动绘制技术的技术原理和功能。该技术的开发和应用,提高了松辽流域雨情信息服务的准确性和时效性,对防汛抗旱工作有重要意义。

The paper explains the principle and the function of rainfall amount isohyeftal line chart techniqne based on GIS in Songliao rivers basin. This technique can raise the accuracy and the actual effect in the service of rainfall situation of Songliao rivers basin,it is important for the flood control and the drought resistance.