Research Article
A Temperature-Based Model for Estimating Monthly Average Daily Global Solar Radiation in China
Table 2
Empirical coefficients of the four models at the 65 stations in China.
| No. | Stations | HS | Samani | Chen | Equation (4) | | | | | | | | | |
| 1 | Shanghai | 0.1610 | 1.0880 | −0.2761 | 0.0203 | −0.0320 | 0.4812 | −0.0111 | 0.0010 | 0.3856 | 2 | Chongqing | 0.1028 | 0.0850 | −0.0089 | 0.0016 | 0.2427 | −0.3569 | 0.0734 | 0.0024 | −0.0510 | 3 | Haikou | 0.1543 | 0.8163 | −0.2148 | 0.0171 | 0.2027 | −0.1231 | −0.2070 | 0.0061 | 0.5269 | 4 | Shantou | 0.1588 | 0.3037 | −0.0489 | 0.0040 | 0.2306 | −0.1837 | 0.3433 | 0.0042 | −0.7028 | 5 | Dalian | 0.1852 | 0.3425 | −0.0434 | 0.0029 | 0.1448 | 0.1052 | 0.1552 | 0.0006 | 0.0597 | 6 | Nanchang | 0.1390 | 0.5998 | −0.1712 | 0.0150 | 0.5675 | −1.1313 | 0.4093 | 0.0013 | −0.7748 | 7 | Chengdu | 0.1086 | −0.2956 | 0.1030 | −0.0064 | 0.2227 | −0.3068 | 0.1165 | 0.0015 | −0.0889 | 8 | Changsha | 0.1232 | −0.5742 | 0.1820 | −0.0117 | 0.4003 | −0.7456 | 0.1615 | 0.0024 | −0.2203 | 9 | Emeishan | 0.1503 | 0.0141 | 0.0254 | −0.0009 | 0.3205 | −0.4588 | 0.1563 | −0.0029 | 0.0076 | 10 | Guilin | 0.1255 | 0.1556 | −0.0366 | 0.0043 | 0.4751 | −0.9459 | 0.4317 | 0.0005 | −0.8567 | 11 | Guangzhou | 0.1278 | −0.6600 | 0.1893 | −0.0111 | 0.4454 | −0.8640 | 0.4590 | 0.0022 | −1.0344 | 12 | Guiyang | 0.1074 | −0.6792 | 0.2013 | −0.0128 | 0.2876 | −0.4926 | 0.0677 | 0.0022 | 0.0096 | 13 | Fuzhou | 0.1321 | 1.0571 | −0.2530 | 0.0172 | 0.3340 | −0.5548 | 0.0209 | 0.0024 | 0.1684 | 14 | Nanning | 0.1351 | −1.7651 | 0.4796 | −0.0299 | 0.4274 | −0.8042 | 0.3184 | 0.0032 | −0.7019 | 15 | Hangzhou | 0.1296 | −0.6555 | 0.2023 | −0.0130 | 0.2336 | −0.2872 | 0.0970 | 0.0011 | 0.0388 | 16 | Ganzhou | 0.1351 | −0.1039 | 0.0302 | 0.0001 | 0.6017 | −1.2976 | 0.4718 | 0.0012 | −1.0032 | 17 | Yichang | 0.1197 | −0.6137 | 0.1804 | −0.0110 | 0.2701 | −0.4218 | −0.1108 | 0.0022 | 0.5341 | 18 | Mianyang | 0.1107 | −0.1189 | 0.0525 | −0.0029 | 0.1855 | −0.2098 | 0.1030 | 0.0016 | −0.0564 | 19 | Wuhan | 0.1285 | 2.1273 | −0.4857 | 0.0294 | −0.0494 | 0.5039 | 0.0520 | 0.0016 | 0.1414 | 20 | Hefei | 0.1312 | 0.7351 | −0.1454 | 0.0087 | 0.0596 | 0.2036 | 0.0604 | 0.0007 | 0.1709 | 21 | Gushi | 0.1431 | 0.9199 | −0.1792 | 0.0103 | −0.0096 | 0.4388 | 0.0044 | 0.0010 | 0.3528 | 22 | Nanjing | 0.1332 | 1.1027 | −0.2193 | 0.0123 | 0.0238 | 0.3224 | 0.0538 | 0.0006 | 0.2078 | 23 | Mengzi | 0.1465 | −0.1047 | 0.0480 | −0.0022 | 0.1948 | −0.1528 | 0.1797 | −0.0014 | −0.0177 | 24 | Kunming | 0.1430 | 0.0348 | 0.0181 | −0.0007 | 0.1983 | −0.1807 | 0.1864 | −0.0012 | −0.0828 | 25 | Heihe | 0.1598 | 0.1533 | 0.0064 | −0.0005 | 0.0418 | 0.3994 | 0.1448 | −0.0011 | 0.0555 | 26 | Lijiang | 0.1589 | 0.0983 | 0.0040 | 0.0001 | 0.2920 | −0.4541 | 0.2112 | −0.0024 | −0.0715 | 27 | Jinghong | 0.1351 | 0.1076 | 0.0072 | −0.0004 | 0.0823 | 0.1816 | 0.1006 | −0.0014 | 0.2315 | 28 | Jinan | 0.1493 | 0.2295 | −0.0176 | 0.0010 | 0.1439 | 0.0163 | 0.1880 | −0.0004 | −0.0960 | 29 | Tianjin | 0.1543 | −0.0542 | 0.0421 | −0.0021 | 0.1631 | −0.0275 | 0.1689 | −0.0003 | −0.0345 | 30 | Xian | 0.1225 | 0.0192 | 0.0208 | −0.0010 | 0.1055 | 0.0539 | 0.0264 | 0.0007 | 0.2746 | 31 | Changchun | 0.1611 | −0.5361 | 0.1377 | −0.0067 | 0.1179 | 0.1401 | 0.1206 | −0.0009 | 0.1492 | 32 | Beijing | 0.1560 | −0.2924 | 0.0867 | −0.0041 | 0.1284 | 0.0900 | 0.1472 | −0.0008 | 0.0630 | 33 | Shenyang | 0.1472 | −0.1274 | 0.0524 | −0.0025 | 0.1635 | −0.0533 | 0.1464 | −0.0003 | 0.0100 | 34 | Zhengzhou | 0.1367 | 0.2959 | −0.0268 | 0.0011 | 0.0701 | 0.2190 | 0.0701 | 0.0000 | 0.2193 | 35 | Juxian | 0.1413 | 0.3678 | −0.0399 | 0.0017 | 0.0724 | 0.2297 | 0.0812 | 0.0003 | 0.1868 | 36 | Jiamusi | 0.1462 | −0.0224 | 0.0331 | −0.0016 | 0.0786 | 0.2274 | 0.0662 | −0.0007 | 0.2783 | 37 | Harbin | 0.1492 | −0.2103 | 0.0660 | −0.0030 | 0.0921 | 0.1941 | 0.0808 | −0.0004 | 0.2382 | 38 | Houma | 0.1296 | 0.5198 | −0.0584 | 0.0022 | 0.0485 | 0.2877 | 0.0495 | −0.0001 | 0.2883 | 39 | Yanan | 0.1276 | 0.4752 | −0.0513 | 0.0019 | 0.0864 | 0.1486 | 0.0855 | 0.0002 | 0.1428 | 40 | Chaoyang | 0.1433 | 0.1449 | −0.0001 | 0.0000 | 0.1400 | 0.0120 | 0.1085 | −0.0003 | 0.1357 | 41 | Yushu | 0.1416 | −0.0654 | 0.0246 | −0.0007 | 0.2338 | −0.3557 | 0.1959 | −0.0003 | −0.2057 | 42 | Naqu | 0.1426 | 0.1176 | 0.0014 | 0.0000 | 0.1981 | −0.2147 | −0.1381 | −0.0031 | 1.0668 | 43 | Chengdu | 0.1360 | 0.4305 | −0.0393 | 0.0013 | 0.2177 | −0.3266 | 0.2212 | 0.0000 | −0.3417 | 44 | Aletai | 0.1679 | −0.5058 | 0.1160 | −0.0049 | 0.1449 | 0.0800 | 0.2071 | −0.0003 | −0.1306 | 45 | Tongliao | 0.1479 | −0.3715 | 0.0895 | −0.0038 | 0.1124 | 0.1237 | 0.0921 | −0.0005 | 0.2065 | 46 | Lanzhou | 0.1366 | −0.5793 | 0.1132 | −0.0045 | 0.2112 | −0.2604 | 0.1530 | 0.0003 | −0.0689 | 47 | Hailaer | 0.1642 | 0.2512 | −0.0084 | 0.0001 | 0.0255 | 0.4852 | 0.1453 | −0.0009 | 0.0662 | 48 | Guyuan | 0.1478 | 0.4469 | −0.0526 | 0.0023 | 0.2455 | −0.3442 | 0.1270 | −0.0009 | 0.0951 | 49 | Taiyuan | 0.1361 | 0.0527 | 0.0144 | −0.0006 | 0.1010 | 0.1274 | 0.0960 | −0.0003 | 0.1554 | 50 | Xilinhaote | 0.1571 | 0.2633 | −0.0112 | 0.0002 | 0.0295 | 0.4646 | 0.0966 | −0.0006 | 0.2274 | 51 | Datong | 0.1474 | −0.3479 | 0.0763 | −0.0029 | 0.0975 | 0.1820 | 0.0963 | −0.0003 | 0.1952 | 52 | Xining | 0.1469 | 0.1327 | 0.0001 | 0.0001 | 0.1986 | −0.1893 | 0.0889 | −0.0007 | 0.2290 | 53 | Yining | 0.1491 | 0.2021 | −0.0066 | 0.0002 | 0.1175 | 0.1177 | 0.1081 | 0.0001 | 0.1501 | 54 | Lasa | 0.1696 | 0.5127 | −0.0522 | 0.0019 | 0.2408 | −0.2698 | 0.2120 | −0.0003 | −0.1509 | 55 | Wulumuqi | 0.1553 | 0.1945 | −0.0121 | 0.0008 | 0.2261 | −0.2280 | 0.0757 | 0.0010 | 0.2271 | 56 | Hetian | 0.1565 | 0.6063 | −0.0725 | 0.0029 | 0.0564 | 0.3517 | 0.3131 | −0.0017 | −0.4670 | 57 | Yinchuang | 0.1613 | 0.4334 | −0.0363 | 0.0012 | −0.0032 | 0.5878 | 0.0095 | −0.0005 | 0.5592 | 58 | Kashi | 0.1517 | 0.3119 | −0.0261 | 0.0010 | 0.1455 | 0.0223 | 0.1281 | 0.0001 | 0.0789 | 59 | Tulufan | 0.1522 | 0.1287 | 0.0058 | −0.0003 | 0.1190 | 0.1213 | 0.2036 | −0.0006 | −0.1536 | 60 | Geermu | 0.1770 | −2.7052 | 0.4167 | −0.0150 | 0.1885 | −0.0427 | 0.0684 | −0.0005 | 0.4149 | 61 | Erlianhaote | 0.1736 | 0.4895 | −0.0400 | 0.0012 | 0.0461 | 0.4814 | 0.1089 | −0.0009 | 0.2598 | 62 | Hami | 0.1640 | 0.2464 | −0.0056 | 0.0000 | 0.0190 | 0.5611 | 0.1433 | −0.0007 | 0.1118 | 63 | Geer | 0.1690 | 0.0684 | 0.0091 | −0.0002 | 0.2882 | −0.4701 | 0.2318 | −0.0004 | −0.2479 | 64 | Ruoqiang | 0.1489 | 0.4433 | −0.0349 | 0.0010 | 0.0271 | 0.4865 | 0.1127 | −0.0006 | 0.1754 | 65 | Dunhuang | 0.1550 | 0.5495 | −0.0459 | 0.0013 | 0.0076 | 0.5923 | 0.0906 | −0.0005 | 0.2816 |
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