Abstract
The measurement of soluble and solid associated Cd, Cu, Pb and Zn species within the immediate environment of a gullypot during storm events has enabled the identification of six major processes which affect metal mobilisation and transport through the gullypot system. These processes are described under the headings: (a) Atmospheric Fallout, (b) Acid Rain Mobilisation from Road Dusts, (c) Constant Metal Concentration Time Zones, (d) pH/Surface Area Dependent Suspended Solid Metal Transport, (e) Metal Increase in the Gullypot Liquor between Storm Events and (f) Contribution of Gullypot Liquor and Sediment to Metals in the Gullypot Outflow. The contribution of each of these processes towards controlling the form of the metal in the gullypot outflow is discussed and a number of theoretical concepts are established.
| Original language | English |
|---|---|
| Pages (from-to) | 1417-1427 |
| Number of pages | 11 |
| Journal | Water Research |
| Volume | 22 |
| Issue number | 11 |
| DOIs | |
| Publication status | Published - Nov 1988 |
| Externally published | Yes |
Keywords
- acid rain
- atmospheric fallout
- gullypot (catchbasin)
- metal speciation
- road dusts
- stormwater
- suspended solids
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