海口地区GPS反演大气可降水量中加权平均温度模型构建及其应用

李光伟, 黄光瑞, 邢峰华, 敖杰

Construction of weighted mean temperature model in retrieval of atmospheric precipitable water from GPS in Haikou and its application

LI Guangwei, HUANG Guangrui, XING Fenghua, AO Jie

表4 2008—2012年海口站加入年积日的Tm多因子回归模型及统计检验结果

Tab.4 Multi-factor regression models of Tm with day of year factor at Haikou station during 2008-2012 and their statistical tests results

模型名称 模型公式 a1 a2 a3 a4 RMSE/K 决定系数 FD1* Tm=40.89+0.83Ts+a_doy 1.52 2.10 0.12 1.82 2.068 0.6755 FD9* Tm=31.67+0.85Ts+0.035RH+a_doy 1.65 2.10 0.16 1.71 2.043 0.6831 FD11* Tm=130.34+0.78Ts-0.078Ps+0.03RH+a_doy 1.89 2.06 0.08 1.58 2.032 0.6863 FD15 Tm=-7.79+0.98Ts+0.06RH-0.11Pes+a_doy 1.53 2.03 0.17 1.73 2.041 0.6837 FD17* Tm=119.08+1.47Ts-0.71Td-0.08Ps+0.17RH+a_doy 1.87 2.04 0.08 1.56 2.030 0.6871 FD19 Tm=88.63+0.93Ts-0.08Ps+0.06RH-0.13Pes+a_doy 1.76 1.99 0.08 1.60 2.030 0.6870 FD20* Tm=90.95+1.43Ts-0.55Td-0.08Ps+0.16RH-0.09Pes+a_doy 1.78 1.99 0.08 1.58 2.029 0.6874