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Concentrations and fluxes of biogenic volatile organic compounds above a Mediterranean macchia ecosystem in western Italy

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Concentrations and fluxes of biogenic volatile organic compounds above a Mediterranean macchia ecosystem in western Italy. / Davison, B.; Taipale, R.; Langford, B.; Misztal, P.; Fares, S.; Matteucci, G.; Loreto, F.; Cape, J. N.; Rinne, J.; Hewitt, C. N.

In: Biogeosciences, Vol. 6, No. 8, 2009, p. 1655-1670.

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Davison, B, Taipale, R, Langford, B, Misztal, P, Fares, S, Matteucci, G, Loreto, F, Cape, JN, Rinne, J & Hewitt, CN 2009, 'Concentrations and fluxes of biogenic volatile organic compounds above a Mediterranean macchia ecosystem in western Italy', Biogeosciences, vol. 6, no. 8, pp. 1655-1670. <http://www.biogeosciences.net/6/1655/2009/>

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Davison, B. ; Taipale, R. ; Langford, B. ; Misztal, P. ; Fares, S. ; Matteucci, G. ; Loreto, F. ; Cape, J. N. ; Rinne, J. ; Hewitt, C. N. / Concentrations and fluxes of biogenic volatile organic compounds above a Mediterranean macchia ecosystem in western Italy. In: Biogeosciences. 2009 ; Vol. 6, No. 8. pp. 1655-1670.

Bibtex

@article{26efd2f3fed1429dbb5e4aa7da53741c,
title = "Concentrations and fluxes of biogenic volatile organic compounds above a Mediterranean macchia ecosystem in western Italy",
abstract = "Emission rates and concentrations of biogenic volatile organic compounds (BVOCs) were measured at a Mediterranean coastal site at Castelporziano, approximately 25 km south-west of Rome, between 7 May and 3 June 2007, as part of the ACCENT-VOCBAS field campaign on biosphere-atmosphere interactions. Concentrations and emission rates were measured using the disjunct eddy covariance (DEC) method utilizing three different proton transfer reaction mass spectrometers (PTR-MS) so allowing a comparison between the instruments. The high resolution data from the PTR-MS instruments considerably enhances the original BEMA measurements of the mid 1990s.Depending on the measurement period, the volume mixing ratios were in the range 1.6-3.5 ppbv for methanol, 0.44-1.3 ppbv for acetaldehyde, 0.96-2.1 ppbv for acetone, 0.10-0.14 ppbv for isoprene, and 0.13-0.30 ppbv for monoterpenes. A diurnal cycle in mixing ratios was apparent with daytime maxima for methanol, acetaldehyde, acetone, and isoprene. The fluxes ranged from 370-440 mu g m(-2) h(-1) for methanol, 180-360 mu g m(-2) h(-1) for acetaldehyde, 180-450 mu g m(-2) h(-1) for acetone, 71-290 mu g m(-2) h(-1) for isoprene, and 240-860 mu g m(-2) h(-1) for monoterpenes. From the measured flux data (7 May-3 June) an average basal emission rate for the Macchia vegetation was calculated of 430 mu g m(-2) h(-1) for isoprene and 1100 mu g m(-2) h(-1) for monoterpenes.",
keywords = "REACTION-MASS-SPECTROMETRY, QUERCUS-ILEX L., EDDY COVARIANCE MEASUREMENTS, PTR-MS, VOC EMISSIONS, ISOPRENE EMISSION, LEAF DEVELOPMENT, TECHNICAL NOTE, PINUS PINEA, METHANOL",
author = "B. Davison and R. Taipale and B. Langford and P. Misztal and S. Fares and G. Matteucci and F. Loreto and Cape, {J. N.} and J. Rinne and Hewitt, {C. N.}",
year = "2009",
language = "English",
volume = "6",
pages = "1655--1670",
journal = "Biogeosciences",
issn = "1726-4170",
publisher = "Copernicus Gesellschaft mbH",
number = "8",

}

RIS

TY - JOUR

T1 - Concentrations and fluxes of biogenic volatile organic compounds above a Mediterranean macchia ecosystem in western Italy

AU - Davison, B.

AU - Taipale, R.

AU - Langford, B.

AU - Misztal, P.

AU - Fares, S.

AU - Matteucci, G.

AU - Loreto, F.

AU - Cape, J. N.

AU - Rinne, J.

AU - Hewitt, C. N.

PY - 2009

Y1 - 2009

N2 - Emission rates and concentrations of biogenic volatile organic compounds (BVOCs) were measured at a Mediterranean coastal site at Castelporziano, approximately 25 km south-west of Rome, between 7 May and 3 June 2007, as part of the ACCENT-VOCBAS field campaign on biosphere-atmosphere interactions. Concentrations and emission rates were measured using the disjunct eddy covariance (DEC) method utilizing three different proton transfer reaction mass spectrometers (PTR-MS) so allowing a comparison between the instruments. The high resolution data from the PTR-MS instruments considerably enhances the original BEMA measurements of the mid 1990s.Depending on the measurement period, the volume mixing ratios were in the range 1.6-3.5 ppbv for methanol, 0.44-1.3 ppbv for acetaldehyde, 0.96-2.1 ppbv for acetone, 0.10-0.14 ppbv for isoprene, and 0.13-0.30 ppbv for monoterpenes. A diurnal cycle in mixing ratios was apparent with daytime maxima for methanol, acetaldehyde, acetone, and isoprene. The fluxes ranged from 370-440 mu g m(-2) h(-1) for methanol, 180-360 mu g m(-2) h(-1) for acetaldehyde, 180-450 mu g m(-2) h(-1) for acetone, 71-290 mu g m(-2) h(-1) for isoprene, and 240-860 mu g m(-2) h(-1) for monoterpenes. From the measured flux data (7 May-3 June) an average basal emission rate for the Macchia vegetation was calculated of 430 mu g m(-2) h(-1) for isoprene and 1100 mu g m(-2) h(-1) for monoterpenes.

AB - Emission rates and concentrations of biogenic volatile organic compounds (BVOCs) were measured at a Mediterranean coastal site at Castelporziano, approximately 25 km south-west of Rome, between 7 May and 3 June 2007, as part of the ACCENT-VOCBAS field campaign on biosphere-atmosphere interactions. Concentrations and emission rates were measured using the disjunct eddy covariance (DEC) method utilizing three different proton transfer reaction mass spectrometers (PTR-MS) so allowing a comparison between the instruments. The high resolution data from the PTR-MS instruments considerably enhances the original BEMA measurements of the mid 1990s.Depending on the measurement period, the volume mixing ratios were in the range 1.6-3.5 ppbv for methanol, 0.44-1.3 ppbv for acetaldehyde, 0.96-2.1 ppbv for acetone, 0.10-0.14 ppbv for isoprene, and 0.13-0.30 ppbv for monoterpenes. A diurnal cycle in mixing ratios was apparent with daytime maxima for methanol, acetaldehyde, acetone, and isoprene. The fluxes ranged from 370-440 mu g m(-2) h(-1) for methanol, 180-360 mu g m(-2) h(-1) for acetaldehyde, 180-450 mu g m(-2) h(-1) for acetone, 71-290 mu g m(-2) h(-1) for isoprene, and 240-860 mu g m(-2) h(-1) for monoterpenes. From the measured flux data (7 May-3 June) an average basal emission rate for the Macchia vegetation was calculated of 430 mu g m(-2) h(-1) for isoprene and 1100 mu g m(-2) h(-1) for monoterpenes.

KW - REACTION-MASS-SPECTROMETRY

KW - QUERCUS-ILEX L.

KW - EDDY COVARIANCE MEASUREMENTS

KW - PTR-MS

KW - VOC EMISSIONS

KW - ISOPRENE EMISSION

KW - LEAF DEVELOPMENT

KW - TECHNICAL NOTE

KW - PINUS PINEA

KW - METHANOL

M3 - Journal article

VL - 6

SP - 1655

EP - 1670

JO - Biogeosciences

JF - Biogeosciences

SN - 1726-4170

IS - 8

ER -