Calculated volumes of water removed from tidal prism in study area due to polderization, and the annual mass infill of sediment contained in ‘khas-land’ channels in the study area (Table S2 for details). DOI: https://doi.org/10.1525/elementa.263.t2
| Description . | Value . |
|---|---|
| Volume of water that originally flooded intertidal platforms | 700 × 106 m3 |
| Volume of water accommodated in primary creeks | 255 × 106 m3 |
| Volume of water accommodated in conduit channels | 462 × 106 m3 |
| Total volume of water removed from tidal prism due to poldering | 1,420 × 106 m3 |
| Fraction due to khas land infilling of conduit tidal channels | 32.6% |
| Fraction due to obstruction of primary creeks by embankments | 18.0% |
| Fraction due to obstruction of intertidal platform by embankments | 49.4% |
| Volume of sediment contained in khas-land channel fill | 462 × 106 m3 |
| Mass of sediment contained in khas-land channel fill | 615 × 109 kg |
| Annual mass of sediment infilling khas-land channels | 12.3 × 109 kg |
| Description . | Value . |
|---|---|
| Volume of water that originally flooded intertidal platforms | 700 × 106 m3 |
| Volume of water accommodated in primary creeks | 255 × 106 m3 |
| Volume of water accommodated in conduit channels | 462 × 106 m3 |
| Total volume of water removed from tidal prism due to poldering | 1,420 × 106 m3 |
| Fraction due to khas land infilling of conduit tidal channels | 32.6% |
| Fraction due to obstruction of primary creeks by embankments | 18.0% |
| Fraction due to obstruction of intertidal platform by embankments | 49.4% |
| Volume of sediment contained in khas-land channel fill | 462 × 106 m3 |
| Mass of sediment contained in khas-land channel fill | 615 × 109 kg |
| Annual mass of sediment infilling khas-land channels | 12.3 × 109 kg |