Sulphur trends in Europe; Are we able to model the recent observed decrease?
Journal Article
·
· Tellus Series B, Chemical and Physical Meteorology, 59(4):773-786
Abundance of sulphur in Europe has decreased substantially during the last two decades. In this paper we investigate these recent trends in sulphur concentrations by applying the OsloCTM2 model using three different sets of SO2 emission inventories. We perform time slice model simulations with emissions for the years 1985, 1995 and 2000 and compare our results with observations to investigate consistency between measured and modeled sulphate trends. Overall the model reproduces the levels of sulphur and the decreasing trends reasonably well, although some discrepancies exist. The model shows a strong reduction in the surface concentration of sulphate similar to the observations, although a slightly smaller decrease. Continental and Eastern Europe experience the largest decrease in sulphate from 1985-2000; observations give 65% and 63% decrease respectively while modeled decreases are from 42% to 58% depending on the inventory. We have also studied to what extent our model results are sensitive and robust. Based on our model simulations we find that the EMEP emissions of the three sets of emission inventories are best to reproduce the trends in observations.
- Research Organization:
- Pacific Northwest National Laboratory (PNNL), Richland, WA (US)
- Sponsoring Organization:
- USDOE
- DOE Contract Number:
- AC05-76RL01830
- OSTI ID:
- 915291
- Report Number(s):
- PNNL-SA-48213; KP1207030
- Journal Information:
- Tellus Series B, Chemical and Physical Meteorology, 59(4):773-786, Journal Name: Tellus Series B, Chemical and Physical Meteorology, 59(4):773-786 Journal Issue: 4 Vol. 59; ISSN 0280-6509; ISSN TSBMD7
- Country of Publication:
- United States
- Language:
- English
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