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| Content Provider | World Health Organization (WHO)-Global Index Medicus |
|---|---|
| Author | Tipping, E. Wadsworth, R. A. Norris, D. A. Hall, J. R. Ilyin, I. |
| Description | Country affiliation: United kingdom Author Affiliation: Tipping E ( Centre for Ecology and Hydrology, Lancaster Environment Centre, Library Avenue, Bailrigg, Lancaster LA1 4AP, United Kingdom. et@ceh.ac.uk) |
| Abstract | A model assuming first-order losses by evasion and leaching was used to evaluate Hg dynamics in UK soils since 1850. Temporal deposition patterns of Hg were constructed from literature information. Inverse modelling indicated that 30% of 898 rural sites receive Hg only from the global circulation, while in 51% of cases local deposition exceeds global. Average estimated deposition is 16 µg Hg m(-2) a(-1) to rural soils, 19 µg Hg m(-2) a(-1) to rural and non-rural soils combined. UK soils currently hold 2490 tonnes of reactive Hg, of which 2140 tonnes are due to anthropogenic deposition, mostly local in origin. Topsoil currently releases 5.1 tonnes of Hg(0) per annum to the atmosphere, about 50% more than the anthropogenic flux. Sorptive retention of Hg in the lower soil exerts a strong control on surface water Hg concentrations. Following decreases in inputs, soil Hg concentrations are predicted to decline over hundreds of years. |
| File Format | HTM / HTML |
| ISSN | 02697491 |
| Issue Number | 12 |
| Volume Number | 159 |
| e-ISSN | 18736424 |
| Journal | Environmental Pollution |
| Language | English |
| Publisher | Elsevier |
| Publisher Date | 2011-12-01 |
| Publisher Place | Great Britain (UK) |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Discipline Environmental Discipline Science Environmental Pollution History Mercury Analysis Soil Pollutants Air Pollutants Environmental Monitoring History, 19th Century History, 20th Century History, 21st Century Great Britain Historical Article Journal Article Research Support, Non-u.s. Gov't |
| Content Type | Text |
| Resource Type | Article |
| Subject | Health, Toxicology and Mutagenesis Pollution Medicine Toxicology |
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