环渤海地区水污染物排放的时空格局及其驱动因素
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周侃, 樊杰, 刘汉初
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Spatiotemporal patterns and driving forces of water pollutant discharge in the Bohai Rim Region
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Kan ZHOU, Jie FAN, Hanchu LIU
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表5 氨氮排放的参数估计结果 |
Tab.5 Estimation and test results of ordinary least squares (OLS) model for NH3-N discharge |
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变量 | 总体模型 | 热区模型 | 系数 | 标准误差 | t | Sig. | 系数 | 标准误差 | t | Sig. | constant | 4.7835 | 1.5686 | 3.0496 | 0.0034 | 6.2443 | 1.9030 | 3.2813 | 0.0026 | lnTP | 0.5822*** | 0.1275 | 4.5674 | 0.0000 | 0.5072*** | 0.1367 | 3.7105 | 0.0008 | lnUR | -0.0943 | 0.2091 | -0.4510 | 0.6537 | -0.0566 | 0.2615 | -0.2163 | 0.8303 | lnPGDP | -0.2502** | 0.1170 | -2.1390 | 0.0366 | -0.4285*** | 0.1313 | -3.2643 | 0.0027 | lnGRGDP | 0.4116 | 0.2834 | 1.4523 | 0.1517 | 0.1617 | 0.3595 | 0.4496 | 0.6562 | lnIS | 0.0426 | 0.2128 | 0.2000 | 0.8422 | 0.3048 | 0.2800 | 1.0886 | 0.2850 | lnFDI | 0.0488* | 0.0254 | 1.9206 | 0.0596 | 0.0820* | 0.0455 | 1.8014 | 0.0817 | lnFAI | 0.2851** | 0.1329 | 2.1456 | 0.0360 | 0.2892* | 0.1458 | 1.9834 | 0.0565 | P值 | 0.0000 | | | | 0.0000 | | | | F值 | 76.7771 | | | | 39.1698 | | | 调整后R2 | 0.8893 | | | | 0.8784 | | | D.W值 | 2.3247 | | | | 2.1168 | | |
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