基于Landsat影像的鄱阳湖面积监测及其与水位关系研究

赵辉, 陈振, 冯超帆, 张通, 赵学晶, 张兆旭

Monitoring of the area of Poyang Lake based on Landsat images and its relationship with the water level

ZHAO Hui, CHEN Zhen, FENG Chaofan, ZHANG Tong, ZHAO Xuejing, ZHANG Zhaoxu

表6 二次多项式模型模拟湖泊面积与遥感提取面积比较

Tab.6 Comparison between the area fitted by quadratic polynomial model and that extracted by remote sensing

影像时相 棠荫站 都昌站 吴城站 水位值/m 模拟面积 值/km2 误差/% 水位值/m 模拟面积 值/km2 误差/% 水位值/m 模拟面积 值/km2 误差/% 20090316 13.99 2 046.72 0.11 12.953 1 872.37 -8.42 13.87 1 960.89 -4.09 20090604 15.40 2 481.45 0.86 15.313 2 401.80 -2.38 16.12 2 498.82 1.57 20091103 11.27 940.35 -6.39 8.983 1 024.73 2.01 9.96 953.32 -5.10 20100319 14.55 2 230.72 -2.34 13.193 1 925.34 -15.71 13.85 1 955.97 -14.36 20101208 11.34 973.24 -6.14 8.493 923.85 -10.90 9.84 920.94 -11.18 20110728 14.41 2 186.12 -2.53 14.243 2 159.41 -3.72 14.74 2 172.52 -3.14 20120620 17.71 2 988.85 -0.57 17.713 2 959.73 -1.54 18.15 2 957.91 -1.60 20120807 19.01 3 162.55 3.31 18.983 3 262.94 6.59 19.45 3 238.82 5.80 20170210 11.24 926.18 -3.75 8.623 950.53 -1.22 9.83 918.24 -4.58 20180205 11.88 1 219.15 1.15 10.093 1 256.30 4.23 11.07 1 248.75 3.61