基于Landsat8遥感数据的西沙群岛永乐环礁底质分类与变化分析
李天驰, 王道儒, 赵亮, 凡仁福

Classification and change analysis of the substrate of the Yongle Atoll in the Xisha Islands based on Landsat8 remote sensing data
LI Tianchi, WANG Daoru, ZHAO Liang, FAN Renfu
图8 不同时期珊瑚礁分类结果
Fig.8 Classification results of coral reefs in different periods