粤西海岛海岸带典型地类SPOT-5影像解译标志

Interpretation marks of SPOT-5 image on typical target types of islands and coastal zone in western Guangdong

基于SPOT-5假彩色合成影像,在现场踏勘的基础上,对粤西海岛海岸带地物进行了全面的分析,总结了地物的遥感影像特征,建立了耕地、园地、林地、居民地及工矿仓储用地、水域和滩涂6类典型地物的遥感解译标志。采用典型样区与样点相结合的方法,对基于该解译标志提取的结果进行了踏勘验证,经检验,解译精度在90%以上。粤西海岛海岸带卫星遥感调查实践表明:建立具有区域特色的遥感影像解译标志,对海岛海岸带资源调查和环境监测具有极其重要的意义。

Using SPOT-5 false color composite image and the fielding work data,the targets of islands and coastal zone in western Guangdong were comprehensively analyzed,and Remote Sensing image characteristics of the targets were summarized,and the Remote Sensing interpretation marks of typical targets that were classified into cultivated land,garden plot,forest land,urban or built-up land,water and tidal flat were established.The results which were extracted based on these interpretation marks were validated through fielding work carried out on typical sample areas and sample points,and the interpretation precision was above 90%.It showed that the regional Remote Sensing interpretation marks played an important role in the resource investigation and environment monitoring of islands and coastal zone.