Research Article
A Physically Based Spatial Expansion Algorithm for Surface Air Temperature and Humidity
Table 1
Comparison of the calculated value of air temperature and humidity model of North China Plain and the actual observed value.
| Station number | Observed air temperature k | Calculated air temperature k | Absolute difference k | Observed humidity mb | Calculated humidity (mb) | Absolute difference (mb) |
| 01 Chaocheng | 284.25 | 285.28 | 1.03 | 2.51 | 1.72 | 0.79 | 02 Xinhe | 286.35 | 284.94 | 1.41 | 1.97 | 1.60 | 0.38 | 03 Jixian | 285.95 | 285.32 | 0.63 | 1.33 | 1.74 | 0.40 | 04 Nangong | 285.95 | 285.32 | 0.63 | 1.78 | 1.66 | 0.12 | 05 Qinghe | 285.95 | 286.15 | 0.20 | 1.92 | 1.69 | 0.23 | 06 Gucheng | 284.75 | 285.74 | 0.99 | 1.64 | 1.64 | 0.00 | 07 Jingxian | 284.65 | 285.58 | 0.93 | 1.36 | 1.61 | 0.25 | 08 Wuqiao | 285.15 | 285.64 | 0.49 | 1.54 | 1.61 | 0.07 | 09 Linxi | 285.55 | 285.54 | 0.01 | 1.44 | 1.65 | 0.21 | 10 Guantao | 284.85 | 285.12 | 0.27 | 2.06 | 1.64 | 0.42 | 11 Qiuxian | 286.05 | 286.75 | 0.70 | 1.79 | 1.79 | 0.00 | 12 Shunping | 285.25 | 285.83 | 0.58 | 1.84 | 1.63 | 0.20 | 13 Xincheng | 285.45 | 285.63 | 0.18 | 1.52 | 1.69 | 0.17 | 14 Yixian | 285.45 | 285.63 | 0.18 | 1.35 | 1.74 | 0.39 | 15 Bazhou | 284.45 | 286.20 | 1.75 | 1.47 | 1.66 | 0.19 | 16 Yongqing | 284.65 | 286.22 | 1.57 | 2.04 | 1.67 | 0.37 | 17 Xushui | 285.75 | 285.91 | 0.16 | 1.60 | 1.70 | 0.09 | 18 Anguo | 285.95 | 285.78 | 0.17 | 2.22 | 1.67 | 0.55 | 19 Anxin | 285.35 | 285.41 | 0.06 | 2.56 | 1.65 | 0.91 | 20 Raoyang | 285.65 | 285.38 | 0.27 | 1.74 | 1.62 | 0.12 | 21 Wangdu | 285.75 | 285.65 | 0.10 | 2.04 | 1.62 | 0.43 | 22 Shenxian | 286.15 | 285.66 | 0.49 | 1.50 | 1.67 | 0.17 | 23 Anping | 284.95 | 285.46 | 0.51 | 1.94 | 1.63 | 0.31 | 24 Renqiu | 284.65 | 285.89 | 1.24 | 1.49 | 1.66 | 0.16 | 25 Mancheng | 284.65 | 285.89 | 1.24 | 1.65 | 1.73 | 0.08 | 26 Wenan | 284.55 | 286.24 | 1.69 | 1.48 | 1.66 | 0.18 | 27 Dacheng | 285.05 | 286.55 | 1.50 | 1.39 | 1.69 | 0.30 | 28 Hejian | 284.75 | 286.07 | 1.32 | 2.32 | 1.65 | 0.67 | 29 Cangzhou | 284.45 | 285.84 | 1.39 | 1.34 | 1.66 | 0.32 | 30 Xianxian | 284.25 | 285.75 | 1.50 | 1.59 | 1.64 | 0.05 | 31 Botou | 284.95 | 286.01 | 1.06 | 1.38 | 1.66 | 0.28 | 32 Lixian | 286.05 | 285.87 | 0.18 | 1.79 | 1.66 | 0.13 | 33 Shenze | 286.15 | 285.17 | 0.98 | 2.25 | 1.67 | 0.58 | 34 Yanshan | 284.05 | 285.27 | 1.22 | 1.83 | 1.58 | 0.24 | 35 Xiongxian | 284.75 | 285.94 | 1.19 | 1.37 | 1.63 | 0.27 | 36 Xinji | 286.45 | 285.75 | 0.70 | 1.99 | 1.70 | 0.28 | 37 Hengshui | 285.95 | 285.79 | 0.16 | 1.63 | 1.67 | 0.05 | 38 Wuyi | 285.05 | 285.42 | 0.37 | 1.67 | 1.63 | 0.05 | 39 Dongguang | 285.35 | 285.90 | 0.55 | 1.56 | 1.66 | 0.10 | 40 Nanpi | 284.55 | 285.62 | 1.07 | 1.35 | 1.64 | 0.29 | 41 Linzhang | 285.45 | 285.40 | 0.05 | 2.72 | 2.09 | 0.63 | 42 Shahe | 286.05 | 285.84 | 0.21 | 2.83 | 2.19 | 0.64 | 43 Lincheng | 286.25 | 286.77 | 0.52 | 1.66 | 2.43 | 0.77 | 44 Longyao | 285.75 | 286.33 | 0.58 | 1.60 | 2.13 | 0.53 | 45 Zanhuang | 285.75 | 286.33 | 0.58 | 1.44 | 2.12 | 0.69 | 46 Ningjin | 286.25 | 285.51 | 0.74 | 2.41 | 2.12 | 0.29 | 47 Xingtai | 285.85 | 285.89 | 0.04 | 2.06 | 2.10 | 0.05 | 48 Renxian | 285.55 | 285.61 | 0.06 | 2.45 | 2.01 | 0.44 | 49 Wuan | 285.45 | 285.53 | 0.08 | 2.43 | 2.18 | 0.26 | 50 Nanhe | 285.95 | 285.38 | 0.57 | 2.51 | 2.03 | 0.48 | 51 Quzhou | 286.35 | 285.99 | 0.36 | 2.12 | 2.08 | 0.04 | 52 Yongnian | 286.05 | 285.71 | 0.34 | 2.08 | 2.12 | 0.04 | 53 Weixian | 285.45 | 285.41 | 0.04 | 2.43 | 2.04 | 0.39 | 54 Feixiang | 285.75 | 285.63 | 0.12 | 2.77 | 2.07 | 0.70 | 55 Pingxiang | 285.85 | 286.42 | 0.57 | 2.35 | 2.15 | 0.20 | 56 Zaoqiang | 284.85 | 285.71 | 0.86 | 1.65 | 2.07 | 0.42 |
| Average | | | 0.65 | | | 0.31 | Variance | | | 0.25 | | | 0.05 |
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