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Table 2 Calculation equations of D-values (mol h−1 Pa−1)

From: Fate simulation and risk assessment of TBT and TPhT considering water level fluctuations in the TGR before and after AFS Convention implementation in China

MediaProcessD-valueCalculation equation
Atmosphere → waterAtmosphere dry depositionDDWDDW = UPAWvpaZPA
Atmosphere wet depositionDPWDPW = URAWQvpaZPA
Rain dissolutionDARDAR = URAWZW
AbsorptionDAWDAW = 1/(1/KVAAWZA + 1/KVWAWZW)
Water → atmosphereVolatilizationDWADWA = DAW
WaterDegradationDRWDRW = KWRVWZW
Water → sedimentDiffusionDWSDWS = 1/(1/KSWASZW + YS/BSWASZW)
Sediment depositionDDDD = UDPASZPW
SedimentDegradationDRSDRS = KSRVSZS
Sediment burialDBSDBS = UBSASZS
Sediment → waterDiffusionDSWDSW = DWS
Sediment resuspensionDReDRe = URSASZS
Water → fishAbsorptionDWFDWF = KWFVFZF
FishDegradationDRFDRF = KFRVFZF
Fish → waterDischargeDFWDFW = KFWVFZF
AdvectionInflowDowDow = GowZow
OutflowDwoDwo = GwoZW