1976—2020年黄河入海口滩区水体演变过程及淹没风险识别
刘稼丰, 张文凯, 杜晓敏, 冀欣阳, 杨金中, 范景辉, 孙禧勇, 佟晶

Evolutionary process and inundation risk identification of water bodies in the beach area of the Yellow River estuary from 1976 to 2020
LIU Jiafeng, ZHANG Wenkai, DU Xiaomin, JI Xinyang, YANG Jinzhong, FAN Jinghui, SUN Xiyong, TONG Jing
表2 黄河滩区水体提取结果精度验证混淆矩阵
Tab.2 Confusion matrix for accuracy verification of water body extraction results in the Yellow River beach area
地类 水体 非水体 用户
精度/%
制图
精度/%
水体 9 486 514 94.86 95.17
非水体 481 9 519 95.19 94.88
总体精度/% 95.02
Kappa系数 0.900 5