Research Article
Research on Ecoenvironmental Quality Evaluation System Based on Big Data Analysis
Table 6
Statistical table of greenness index of remote sensing data in each period.
| | Green degree index | Minimum value | Maximum value | Mean value | Standard deviation |
| | 1991 | 0.00 | 1.00 | 0.851 | 0.061 | | 2000 | 0.00 | 1.00 | 0.878 | 0.066 | | 2004 | 0.00 | 1.00 | 0.768 | 0.089 | | 2010 | 0.00 | 1.00 | 0.855 | 0.068 | | 2013 | 0.00 | 1.00 | 0.876 | 0.077 | | 2018 | 0.00 | 1.00 | 0.884 | 0.080 | | 2019 | 0.00 | 1.00 | 0.887 | 0.084 |
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