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Table 2

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

DescriptionValue

 
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 
DescriptionValue

 
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 
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