Critical Loads – Is There A Need For A New Concept? |
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Authors: | Grennfelt Peringe Moldan Filip Alveteg Mattias Warfvinge Per Sverdrup Harald |
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Institution: | (1) IVL Swedish Environmental Research Institute Ltd, Gothenburg, Sweden;(2) Dept. of Chemical Engineering II, Lund Institute of Technology, Lund University, Lund, Sweden |
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Abstract: | The concept of critical loads has been an important andsuccessful tool for the development of control strategiesfor transboundary air pollution in Europe. The use of theconcept has led us to a situation where very few areas inEurope will have an exceedance of critical loads foracidification in 2010, indicating that the benefits offurther control acidifying substances will be lessuseful. The critical loads concept does not, however,take into account the large benefits of further controlin damaged systems but where critical loads are nolonger exceeded. In this paper we discuss the importanceof widening the critical loads concept to include thesebenefits and we propose an additional effect-relatedmeasure, Dynamic Impact Analysis, to be included infurther control strategies and assessments. With such aconcept the actual situation and its further developmentwill be included in assessments and control strategies. |
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Keywords: | acidification critical loads dynamic impact analysis recovery processes |
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