【摘要】 利用遥感技术对汶川县地震前后的遥感数据进行处理,并借助GIS技术,统计分析了汶川县农田土壤损毁状况。研究表明,汶川县农田土壤损毁程度严重,损毁主要土壤类型为:褐土、棕壤和黄棕壤,主要损毁农田类型为山地旱地。在此基础上提出了农田土壤保护建议,对地震造成生态环境的影响提供了重要的参考和借鉴。更多还原

【Abstract】 The remote sensing technology was used to survey the damage of farmland before and after the Wenchuan County earthquake.Results had shown that the extent of the soils damage were:cinnamon,brown soil and yellow-brown soil,the main type of damage was farmland dryland mountain.On this basis the protection of agricultural soils had been suggested.更多还原