2017
DOI: 10.5194/acp-2017-409
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Long-term measurements (2010–2014) of carbonaceous aerosol and carbon monoxide at the Zotino Tall Tower Observatory (ZOTTO) in central Siberia

Abstract: <p><strong>Abstract.</strong> We present long-term (5-year) measurements of particulate matter (PM<sub>10</sub>), elemental carbon (EC), organic carbon (OC), and water-soluble organic carbon (WSOC) in aerosol filter samples with an upper limit of ~ 10 µm collected at the Zotino Tall Tower Observatory in the middle-taiga subzone (Siberia). The data are complemented with carbon monoxide (CO) measurement… Show more

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Cited by 8 publications
(17 citation statements)
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“…Our estimates of the EC/OC mass ratio range from 0.015-0.077, with the mean value of 0.036 (±0.009). The estimated mean value of the EC/OC ratio is found to be significantly smaller than the corresponding value (0.06) predicted by the BB aerosol simulations based on the emission factors specified in the GFED4 emission inventory, but in a very good agreement with the recently reported [74] value of the EC/OC enhancement ratio (0.038) evaluated in long-term in situ measurements of carbonaceous aerosol at the Zotino tall tower observatory. Our estimates indicate that the EC/OC mass ratio tends to increase with the photochemical age of BB aerosol, although the statistical significance of the tendency is rather low.…”
Section: Discussionsupporting
confidence: 81%
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“…Our estimates of the EC/OC mass ratio range from 0.015-0.077, with the mean value of 0.036 (±0.009). The estimated mean value of the EC/OC ratio is found to be significantly smaller than the corresponding value (0.06) predicted by the BB aerosol simulations based on the emission factors specified in the GFED4 emission inventory, but in a very good agreement with the recently reported [74] value of the EC/OC enhancement ratio (0.038) evaluated in long-term in situ measurements of carbonaceous aerosol at the Zotino tall tower observatory. Our estimates indicate that the EC/OC mass ratio tends to increase with the photochemical age of BB aerosol, although the statistical significance of the tendency is rather low.…”
Section: Discussionsupporting
confidence: 81%
“…Values of our best (Case 1) estimates range from 0.015-0.077, with the mean value of 0.036. It is useful to note that this value is in a very good agreement with the recently reported [74] value of EC/OC enhancement ratio (0.038) evaluated for BB aerosol in Siberia using the long-term in situ measurements of carbonaceous aerosol at the Zotino tall tower observatory (ZOTTO). Taking into account the uncertainties of the fits involved in the estimation procedures, one can see that the base case estimates almost perfectly agree with the Also shown are (a,b) the corresponding AOD data from the two CHIMERE runs, "fire" and "bgr", made with and without fire emissions, respectively, and (c,d) the ambient relative humidity (RH) in the BB aerosol columns.…”
Section: Figures 2 and 3 Characterize The Impact Of Open Biomass Burnsupporting
confidence: 87%
“…Enhancement ratios (ER BC ) for open biomass burning measured for boreal forest smoldering fires have an average ER BC of 1.7 ng m -3 ppb -1 (Kondo et al, 2011). On the other hand, agricultural fires exhibit higher ER BC compared to forest fires, with reported values varying between 2.2 and 29.8 ng m -3 ppb -1 , see Mikhailov et al (2017) and references therein.…”
mentioning
confidence: 99%
“…Related terminology, as indicated by a Web of Science search, includes bioaerosols (n = 737), airborne life (n = 569), aerobiology (n = 235), or airborne organisms (n = 199). Whether traced by aircraft, alpine observatories, or stationary tall towers such as WLEF, ATTO, and ZOTTO (e.g., Jaenicke 2005, Mikhailov et al 2017, we now know bioaerosols can be scattered by global circulating winds and thus subject to long-range intercontinental transport , Tellier et al 2019. This means that atmospheric aerosols and their biotic load flow across national borders , Yang et al 2015), depositing contagion, allergens, and pollutants inside closed spaces whether residential, ocean shipping, aviation, or aerospace (Gregory 1961, Hammond et al 1989, Osman et al 2008, Yang et al 2011.…”
Section: Introductionmentioning
confidence: 99%
“…Related terminology, as indicated by a Web of Science search, includes bioaerosols ( n = 737), airborne life ( n = 569), aerobiology ( n = 235), or airborne organisms ( n = 199). Whether traced by aircraft, alpine observatories, or stationary tall towers such as WLEF, ATTO, and ZOTTO (e.g., Jaenicke 2005, Smith et al 2013, Mikhailov et al 2017, Figs. 2 and 3), we now know bioaerosols can be scattered by global circulating winds and thus subject to long‐range intercontinental transport (Smith et al 2013, Tellier et al 2019).…”
Section: Introductionmentioning
confidence: 99%