遥感在福建海岛资源调查中的应用

为了查明我省海岛的数量，地理位置，形态，面积，岸线长度，物质组成以及开发利用现状，开展了“福建省海岛资源遥感概查”。利用美国Ｌａｎｄｓａｔ卫星ＴＭ数据，经计算机图像处理，对海岛位置，形态，面积，岸线长度的计算机识别与量算，并对临界岛的判别与面积量算、岛礁的区别等技术难题作了讨论。

Remote-sensing Application on the Investigation of Island Resources in Fujian Province

The resource investigation of the islands in Fujian Province by the remote sensing has been finished,which of the purposes are to ascertain such the facts of the islands in Fujian Province as the total amount,the position,the shape,the length of coastlines,the composition and the situation of exploitation and utilization.Using the TM data of the American Landsat to make a computer image processing,the position,the shape,the covered areas and the coastlines of the surveyed islands have been identified and calculated by the computer and the results are present herein.In the paper the author also made a discussion of the technical puzzles about the identification and measurement of the critical islands and the discrimination of the islands and reefs.