Table 7.
Export fluxes of heavy metals (t yr−1) and proportions (%) of SPM and the dissolved flux to the total flux in the Zhujiang River.
Parameter | V | Cr | Mn | Ni | Cu | Cd | Pb | |||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Flux | % | Flux | % | Flux | % | Flux | % | Flux | % | Flux | % | Flux | % | |
SPM | 3707 | 83 | 2585 | 62 | 16171 | 99 | 709 | 59 | 628 | 78 | 38.6 | 77 | 760.0 | 99 |
Dissolved | 736 | 17 | 1561 | 38 | 106 | 1 | 498 | 41 | 174 | 22 | 11.3 | 23 | 8.6 | 1 |
Total flux | 4442 | 4146 | 16277 | 1207 | 802 | 50.0 | 768.6 |