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Effect of the Summer Monsoon on Aerosols at Two Measurement Stations in Northern India – Part 1: PM and BC Concentrations
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SYSNO ASEP 0362714 Document Type J - Journal Article R&D Document Type Journal Article Subsidiary J Článek ve WOS Title Effect of the Summer Monsoon on Aerosols at Two Measurement Stations in Northern India – Part 1: PM and BC Concentrations Author(s) Hyvärinen, A.-P. (FI)
Raatikainen, T. (FI)
Brus, David (UCHP-M) RID, SAI, ORCID
Komppula, M. (FI)
Panwar, T.S. (IN)
Hooda, R.K. (IN)
Sharma, V.P. (IN)
Lihavainen, H. (FI)Source Title Atmospheric Chemistry and Physics. - : Copernicus - ISSN 1680-7316
Roč. 11, č. 16 (2011), s. 8271-8282Number of pages 12 s. Language eng - English Country DE - Germany Keywords aerosols ; concentrations ; summer monsoon Subject RIV CF - Physical ; Theoretical Chemistry CEZ AV0Z40720504 - UCHP-M (2005-2011) UT WOS 000294406300003 DOI 10.5194/acp-11-8271-2011 Annotation Particulate matter (PM) and equivalent black carbon (BCe) concentrations were measured at two locations in northern India during 2006–2010. The average monsoon time concentrations were decreased by 55–70 % compared to the pre-monsoon average concentrations at both stations, decreasing as a function of the total local rainfall during the monsoon season. In addition to loss processes, aerosol concentrations during the early monsoon were found to be affected by primary emissions, most likely from dust events from the Thar Desert. This resulted in elevated fractions of the coarse mode, PM2.5–10 at both stations. We also determined the characteristic transition times between the pre-monsoon, monsoon and post-monsoon. The shorter transition times in Mukteshwar were probably related to the more intense rains due to the mountain location, and the fact that the station was most of the time in the free troposphere. Workplace Institute of Chemical Process Fundamentals Contact Eva Jirsová, jirsova@icpf.cas.cz, Tel.: 220 390 227 Year of Publishing 2012
Number of the records: 1