OverviewEnvironment Canada's study of mercury in sediment cores from isolated lakes in Ontario and Quebec portions of the Great Lakes basin. 1998-2005. Source Agency: Environment Canada ContactDerek Muir, Chief of the Priority Substances Exposure Program Address Phone: 905-319-6921 |
| Name of dataset | Mercury in Lake Sediments from Lakes Within the Great Lakes Basin |
| Geographic area | Ontario and Quebec, south of 55 degrees N |
| State/Province | ON, PQ |
| Activity Category | Monitoring |
| Medium | sediment cores |
| Focal species | sediment cores from isolated lakes in Great Lakes Basin |
| Tissue Types | sediment core |
| Positional data available? | yes |
| Start Date | 1998 |
| End Date | 2005 |
| Status | Complete |
| Collection Months | varied |
| Current # Of Sampling Locations | 0 |
| Historic # Of Sampling Locations | 20 |
| Size of Sampling Area | Ontario and Quebec, south of 55 degrees N |
| Individual or composite samples? | Individual |
| Ecosystem Focus | isolated lakes |
| Data Use | Unrestricted for MercNet collaborators, By permission only |
| Quality Assurance | yes |
| Data Format | Microsoft Excel |
| Hg Measurements | Hg deposition |
| Hg Measurement Units | mg/g or mg/kg (ppm) |
| Hg Measurement Weight | dw |
| Ancillary Data | Organic carbon; Al, Zn, Pb reference elements |
| BRI has data? | no |
| Data downloadable on external website? | no |
| Dated sediment cores? | yes |
| Method used to date sediment | Pb210 alpha counting |
| Average Core Depth | 20 |
