Journal of Geo-information Science, Volume. 22, Issue 10, 2098(2020)
Figures & Tables(8)
Fig. 1. Technical flow of near surface temperature estimation based on HASM-GWR
Fig. 2. Spatial distribution of meteorological stations in Sichuan Province
Fig. 3. Verification of near-surface air temperature estimation results based on three methods
Fig. 4. Spatial distribution of monthly mean air temperature in Sichuan Province based on HASM-GWR in 2014
Fig. 5. Residual spatial distribution estimated based on different methods
Table 1. Mean errors comparison of three methods
View tableView in ArticleTable 1. Mean errors comparison of three methods
OLS GWR HASM-GWR MAE/℃ 1.07 0.97 0.84 MRE/% 11.05 10.59 8.85 RMSE/℃ 1.65 1.48 1.18
Table 2. Monthly errors comparison oft hree methods
View tableView in ArticleTable 2. Monthly errors comparison oft hree methods
1月 4月 7月 10月 MAE/℃ MRE/% RMSE/℃ MAE/℃ MRE/% RMSE/℃ MAE/℃ MRE/% RMSE/℃ MAE/℃ MRE/% RMSE/℃ OLS 0.96 15.68 1.47 1.12 12.38 1.80 1.11 5.31 1.66 1.07 10.84 1.67 GWR 0.94 16.08 1.41 0.98 11.63 1.50 1.04 4.85 1.49 0.92 9.81 1.52 HASM-GWR 0.91 15.21 1.39 0.89 9.21 1.12 0.78 3.54 1.13 0.79 7.42 1.07
Table 3. The linear fitting parameters of the estimated value and the measured value based on three methods
View tableView in ArticleTable 3. The linear fitting parameters of the estimated value and the measured value based on three methods
Intercept A Statistics 数值 误差 数值 误差 R 2OLSM 0.756 96 0.279 82 0.949 61 0.015 21 0.956 07 GWRM 0.827 19 0.246 70 0.945 17 0.013 41 0.965 20 HASM-GWR 0.521 28 0.202 92 0.971 88 0.011 03 0.977 45
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Jia ZHOU, Yapeng ZHAO, Tianxiang YUE, Tao LU.
Paper Information
Received: Aug. 5, 2019
Accepted: --
Published Online: Apr. 23, 2021
The Author Email: LU Tao (lutao@cib.ac.cn)
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