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Comparison with Pan’s researches (Pan and Mei, 2017) in Yellow River Delta
| 1986 | 1991 | 1996 | 2001 | 2006 | 2011 | 2016 | |
|---|---|---|---|---|---|---|---|
| Tidal flatsPan | 58,814.07 | 63,655.63 | 74,313.73 | 31,996.8 | 52,776.45 | 44,288.81 | 28,385.26 |
| Tidal flatsFreq | 50,497.19 | 62,643.94 | 71,364.14 | 57,349.65 | 78,868.62 | 42,009.45 | 48,257.19 |
Tidal flatsPan: Tidal flats area (ha) from Pan’s research using visual interpretation method;
Tidal flatsFreq: Tidal flats area (ha) in this study using frequency-based method
