3S技术在呼和浩特市城市绿地动态变化中的应用研究

应用“3S”技术,以呼市1987年和2000年卫、航片为数据源,监测呼市绿地近13a来的变化,并对其进行分析。分析表明。呼市公共绿地总量增加410040m^2,街心游园绿地总量减少33756m^2,生产绿地总量减少439515m^2道路绿地总量增加55272m^2,附属绿地减少420282m^2,呼地总量减少427881m^2。呼和浩特市城市绿地部分被破坏或占用。受人类活动影响较大。

Application of 3S Technique to Dynamic Changes of Green Land of Huhhot City

Based on the date source of satellite photograph and aerial photograph in 1987 and 2000 for the city of Hohhot which has monitored the changes for the green lands in recent 13 years were studied by vsing the technique of "3S"and computer.The results showed: The common green lands and the street green land increased 410040m~2 and 55272 ms respectively. However, the street garden green land, the productive green land, the appendage green land decreased 33756m~2, 439515m~2 and 55272m~2 respectively.In general, the urban green lands were destroyed and occupied partly.