浅析城市环境的致灾性

占我国国土面积12.6%,居住着3亿多人的城市,是我国减灾防灾的重点地区。与自然环境相比,城市环境具有独特的致灾性。从城市环境的结构入手,分析了城市社会环境、城市自然环境及二者交接地带的致灾特点。随着城市中人类社会经济活动日益频繁和强烈,城市环境的致灾性将趋于增强。

A PRELIMINARY STUDY ON CATASTROPHABILITY OF URBAN ENVIRONMENT

Urban areas,which cover 12.6% of territory in the country and more than 300million of people live on,are important areas in reducing and preparing for disastersin China.The urban environment has a special catastrophability.This paper analysescharacters of catastrophability in social environment,natural environment and theirjoining region of cities.The catastrophability of urban environment is tending towardsstrength with more and intensification of man's activities in cities.