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In the study of air pollution, a critical load is defined as "a quantitative estimate of an exposure to one or more pollutants below which significant harmful effects on specified sensitive elements of the environment do not occur according to present knowledge".
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critical loads deposition nitrogen load ecosystem steady-state pollutants used air mass balance pollution sulfur soil changes forest levels empirical approaches
| Subject | Predicate | Object | Confidence | Src |
|---|---|---|---|---|
| air | instance of | Air pollutants impact essential ecosystem services | 0.80 | text |
| water purification | instance of | Air pollutants impact essential ecosystem services | 0.80 | text |
| decomposition | instance of | Air pollutants impact essential ecosystem services | 0.80 | text |
| detoxification of waste materials | instance of | Air pollutants impact essential ecosystem services | 0.80 | text |
| and climate regulation.When deposition is greater than the critical load of a pollutant for a particular location | instance of | Air pollutants impact essential ecosystem services | 0.80 | text |
| it is considered a critical load exceedance | instance of | Air pollutants impact essential ecosystem services | 0.80 | text |
| meaning the biota are at increased risk of ecological harm | instance of | Air pollutants impact essential ecosystem services | 0.80 | text |
| Japan | instance of | critical loads with higher resolution were calculated in many Asian countries | 0.80 | text |
| Russia | instance of | critical loads with higher resolution were calculated in many Asian countries | 0.80 | text |
| South Korea | instance of | critical loads with higher resolution were calculated in many Asian countries | 0.80 | text |
| India | instance of | critical loads with higher resolution were calculated in many Asian countries | 0.80 | text |
| and China | instance of | critical loads with higher resolution were calculated in many Asian countries | 0.80 | text |
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