基于多源遥感影像的洞庭湖地形提取方法

隆院男,闫世雄,蒋昌波,吴长山,李志威,唐蓉

A new method for extracting lake bathymetry using multi-temporal and multi-source remote sensing imagery: A case study of Dongting Lake

LONG Yuannan,YAN Shixiong,JIANG Changbo,WU Changshan,LI Zhiwei,TANG Rong

表2 趋势面分析参数表

Tab. 2 Parameters of trend surface analysis

日期 A1 B1 C1 R2 日期 A2 B2 C2 R2 2003-01-17 -0.865 -4.520 11.635 0.995 2003-01-17 -8.248 -4.798 40.726 0.909 2003-04.15 -1.045 -5.069 12.043 0.996 2003-04-15 -5.135 -3.015 25.268 0.981 2003-05-01 -3.031 -1.900 17.566 0.996 2003-05-01 -7.684 -2.517 34.238 0.951 2003-07-04 -0.692 -0.372 4.078 0.974 2003-07-04 -1.334 1.855 4.299 0.934 2003-07-14 -1.294 -0.393 5.957 0.965 2003-07-14 -1.118 2.205 2.950 0.868 2003-07-23 -0.732 -0.177 3.878 0.984 2003-07-23 -0.713 2.440 1.337 0.846 2003-07-27 -1.452 -0.199 6.726 0.986 2003-07-27 -0.940 1.739 2.875 0.866 2003-07-28 -1.582 -0.162 7.252 0.965 2003-07-28 -0.928 1.648 2.935 0.896 2003-08-06 -0.802 -0.176 4.521 0.988 2003-08-06 -1.941 1.916 6.932 0.953 2003-08-25 -0.010 -0.316 1.397 0.974 2003-08-25 -2.900 2.259 10.853 0.970 2003-09-22 -0.941 0.014 133.436 0.984 2003-09-22 -1.220 3.262 71.385 0.901 2003-10-16 -0.460 -0.183 82.091 0.973 2003-10-16 -6.933 2.301 741.180 0.971 2003-10-18 -0.130 -0.307 48.045 0.974 2003-10-18 -7.369 2.187 793.331 0.983 2003-11-01 0.170 -0.897 27.823 0.994 2003-11-01 -9.443 -0.762 1109.852 0.904 2003-12-27 7.030 -4.881 -633.028 0.999 2003-12-27 -12.739 -5.299 1610.931 0.953