Trends in summer sulphate in Europe

Arends, B. G.; Baard, J.H.; Brink, H.M. ten

doi:10.1016/s1352-2310(97)00283-5

Cited by 14 publications

(5 citation statements)

References 7 publications

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“…One of the reasons is the importance of aerosol in the radiative forcing of climate, which is highly sensitive to the size of the aerosol (Penner et al, 2001;Forster et al, 2007). In the particles that are most active the concentration of sulphate is high, but its levels are rapidly declining in our region (Arends et al, 1997). This would imply that the aerosol forcing may become an insignificant factor here.…”

Section: Introductionmentioning

confidence: 79%

Monitoring of the ratio of nitrate to sulphate in size-segregated submicron aerosol in the Netherlands

Brink

Otjes

Jongejan

et al. 2009

Atmospheric Research

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This article appeared in a journal published by Elsevier. The attached copy is furnished to the author for internal non-commercial research and education use, including for instruction at the authors institution and sharing with colleagues. Other uses, including reproduction and distribution, or selling or licensing copies, or posting to personal, institutional or third party websites are prohibited. In most cases authors are permitted to post their version of the article (e.g. in Word or Tex form) to their personal website or institutional repository. Authors requiring further information regarding Elsevier's archiving and manuscript policies are encouraged to visit: http://www.elsevier.com/copyright

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Section: Introductionmentioning

confidence: 79%

Monitoring of the ratio of nitrate to sulphate in size-segregated submicron aerosol in the Netherlands

Brink

Otjes

Jongejan

et al. 2009

Atmospheric Research

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“…6 Similar results have been reported from monitoring covering many other western and central European countries. [30][31][32] Decreasing sulfur trends have been measured also at high elevations, e.g. at most of the studied 11 Austrian background stations, covering altitudes from 150 to 3100 m, a statistically significant decrease in SO 4 22 in precipitation was observed in 1990-1997, whereas again for the nitrogen compounds fewer trends were provided.…”

Section: Comparison To Other Investigationsmentioning

confidence: 89%

Airborne sulfur and nitrogen in Finland—trends and exposure in relation to air transport sector

2004

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We present the concentration trends and the atmospheric exposure of sulfur and nitrogen compounds in different transport sectors during the period 1981-2000, based on the air quality data of the Finnish Meteorological Institute. Sulfur and nitrogen concentrations in air and precipitation were assessed from background stations covering the whole country. A significant decrease of more than 60% was observed in the concentrations of all sulfur compounds throughout the country during 1981-2000. In the 1990's, significant trends were detected in all sulfur time series, with the exception of sulfate in precipitation at the northernmost stations. On the other hand, the concentrations of oxidized nitrogen compounds in air and precipitation have declined only slightly or not at all, especially in the 1990's. This is attributed to the fairly small domestic and European NO(x) emission reductions after 1981. The ammonium concentration in precipitation has declined by more than 50% during 1981-2000. The atmospheric sulfur exposure was found to be dominated by transport from the West and South-West sectors during summer, whereas in winter all the southward sectors were important. The largest decline in the sectoral sulfur concentrations has taken place already before 1991, with a more pronounced reduction during winter than during summer. The atmospheric nitrogen exposure was mainly dominated by transport from the sectors between west and south, but in the latter half of the study period there seems to have been a slight shift towards increased transport from the eastern and northern sectors.

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“…The filter-pack cartages designed by the Norwegian Institute for Air Research (NILU; www.nilu.no) consisted of three threaded compartments which housed two filter papers upon assembly. The outer-most stage housed a Whatman 40 cellulous filter (47 mm diameter, 8.0 µm pore size) designated to collect pSO4 2and additional particulate matter (PM) species (Arends et al, 1997), the inner-stage collected gaseous SO2 on a second Whatman 40 filter, which had been pre-treated with an alkaline solution of potassium hydroxide (KOH). Methods including sampler preparation, deployment, and analysis followed those outlined in the EMEP Manual for Sampling and Analysis (EMEP, 2001).…”

Section: Active Filter-pack Samplersmentioning

confidence: 99%

Ground-level Particulate Sulphate and Gaseous Sulphur Dioxide Downwind of an Aluminium Smelter

Blanchard

Aherne

2021

Aerosol Air Qual. Res.

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Trends in summer sulphate in Europe

Cited by 14 publications

References 7 publications

Monitoring of the ratio of nitrate to sulphate in size-segregated submicron aerosol in the Netherlands

Monitoring of the ratio of nitrate to sulphate in size-segregated submicron aerosol in the Netherlands

Airborne sulfur and nitrogen in Finland—trends and exposure in relation to air transport sector

Ground-level Particulate Sulphate and Gaseous Sulphur Dioxide Downwind of an Aluminium Smelter

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