Assessment of uncertainties of an aircraft-based mass balance approach for quantifying urban greenhouse gas emissions

M. O L Cambaliza, P. B. Shepson, D. R. Caulton, B. Stirm, D. Samarov, Kevin Gurney, J. Turnbull, K. J. Davis, A. Possolo, A. Karion, C. Sweeney, B. Moser, A. Hendricks, T. Lauvaux, K. Mays, J. Whetstone, J. Huang, I. Razlivanov, N. L. Miles, S. J. Richardson

Research output: Contribution to journalArticle

57 Citations (Scopus)

Abstract

Urban environments are the primary contributors to global anthropogenic carbon emissions. Because much of the growth in CO2 emissions will originate from cities, there is a need to develop, assess, and improve measurement and modeling strategies for quantifying and monitoring greenhouse gas emissions from large urban centers. In this study the uncertainties in an aircraft-based mass balance approach for quantifying carbon dioxide and methane emissions from an urban environment, focusing on Indianapolis, IN, USA, are described. The relatively level terrain of Indianapolis facilitated the application of mean wind fields in the mass balance approach. We investigate the uncertainties in our aircraft-based mass balance approach by (1) assessing the sensitivity of the measured flux to important measurement and analysis parameters including wind speed, background CO2 and CH4, boundary layer depth, and interpolation technique, and (2) determining the flux at two or more downwind distances from a point or area source (with relatively large source strengths such as solid waste facilities and a power generating station) in rapid succession, assuming that the emission flux is constant. When we quantify the precision in the approach by comparing the estimated emissions derived from measurements at two or more downwind distances from an area or point source, we find that the minimum and maximum repeatability were 12 and 52%, with an average of 31%. We suggest that improvements in the experimental design can be achieved by careful determination of the background concentration, monitoring the evolution of the boundary layer through the measurement period, and increasing the number of downwind horizontal transect measurements at multiple altitudes within the boundary layer.

Original languageEnglish (US)
Pages (from-to)9029-9050
Number of pages22
JournalAtmospheric Chemistry and Physics
Volume14
Issue number17
DOIs
StatePublished - Sep 2 2014

Fingerprint

mass balance
aircraft
greenhouse gas
boundary layer
waste facility
monitoring
carbon emission
wind field
experimental design
solid waste
point source
interpolation
power plant
transect
carbon dioxide
wind velocity
methane
modeling

ASJC Scopus subject areas

  • Atmospheric Science

Cite this

Cambaliza, M. O. L., Shepson, P. B., Caulton, D. R., Stirm, B., Samarov, D., Gurney, K., ... Richardson, S. J. (2014). Assessment of uncertainties of an aircraft-based mass balance approach for quantifying urban greenhouse gas emissions. Atmospheric Chemistry and Physics, 14(17), 9029-9050. https://doi.org/10.5194/acp-14-9029-2014

Assessment of uncertainties of an aircraft-based mass balance approach for quantifying urban greenhouse gas emissions. / Cambaliza, M. O L; Shepson, P. B.; Caulton, D. R.; Stirm, B.; Samarov, D.; Gurney, Kevin; Turnbull, J.; Davis, K. J.; Possolo, A.; Karion, A.; Sweeney, C.; Moser, B.; Hendricks, A.; Lauvaux, T.; Mays, K.; Whetstone, J.; Huang, J.; Razlivanov, I.; Miles, N. L.; Richardson, S. J.

In: Atmospheric Chemistry and Physics, Vol. 14, No. 17, 02.09.2014, p. 9029-9050.

Research output: Contribution to journalArticle

Cambaliza, MOL, Shepson, PB, Caulton, DR, Stirm, B, Samarov, D, Gurney, K, Turnbull, J, Davis, KJ, Possolo, A, Karion, A, Sweeney, C, Moser, B, Hendricks, A, Lauvaux, T, Mays, K, Whetstone, J, Huang, J, Razlivanov, I, Miles, NL & Richardson, SJ 2014, 'Assessment of uncertainties of an aircraft-based mass balance approach for quantifying urban greenhouse gas emissions', Atmospheric Chemistry and Physics, vol. 14, no. 17, pp. 9029-9050. https://doi.org/10.5194/acp-14-9029-2014
Cambaliza, M. O L ; Shepson, P. B. ; Caulton, D. R. ; Stirm, B. ; Samarov, D. ; Gurney, Kevin ; Turnbull, J. ; Davis, K. J. ; Possolo, A. ; Karion, A. ; Sweeney, C. ; Moser, B. ; Hendricks, A. ; Lauvaux, T. ; Mays, K. ; Whetstone, J. ; Huang, J. ; Razlivanov, I. ; Miles, N. L. ; Richardson, S. J. / Assessment of uncertainties of an aircraft-based mass balance approach for quantifying urban greenhouse gas emissions. In: Atmospheric Chemistry and Physics. 2014 ; Vol. 14, No. 17. pp. 9029-9050.
@article{cb528ce768494523822313b4f457966f,
title = "Assessment of uncertainties of an aircraft-based mass balance approach for quantifying urban greenhouse gas emissions",
abstract = "Urban environments are the primary contributors to global anthropogenic carbon emissions. Because much of the growth in CO2 emissions will originate from cities, there is a need to develop, assess, and improve measurement and modeling strategies for quantifying and monitoring greenhouse gas emissions from large urban centers. In this study the uncertainties in an aircraft-based mass balance approach for quantifying carbon dioxide and methane emissions from an urban environment, focusing on Indianapolis, IN, USA, are described. The relatively level terrain of Indianapolis facilitated the application of mean wind fields in the mass balance approach. We investigate the uncertainties in our aircraft-based mass balance approach by (1) assessing the sensitivity of the measured flux to important measurement and analysis parameters including wind speed, background CO2 and CH4, boundary layer depth, and interpolation technique, and (2) determining the flux at two or more downwind distances from a point or area source (with relatively large source strengths such as solid waste facilities and a power generating station) in rapid succession, assuming that the emission flux is constant. When we quantify the precision in the approach by comparing the estimated emissions derived from measurements at two or more downwind distances from an area or point source, we find that the minimum and maximum repeatability were 12 and 52{\%}, with an average of 31{\%}. We suggest that improvements in the experimental design can be achieved by careful determination of the background concentration, monitoring the evolution of the boundary layer through the measurement period, and increasing the number of downwind horizontal transect measurements at multiple altitudes within the boundary layer.",
author = "Cambaliza, {M. O L} and Shepson, {P. B.} and Caulton, {D. R.} and B. Stirm and D. Samarov and Kevin Gurney and J. Turnbull and Davis, {K. J.} and A. Possolo and A. Karion and C. Sweeney and B. Moser and A. Hendricks and T. Lauvaux and K. Mays and J. Whetstone and J. Huang and I. Razlivanov and Miles, {N. L.} and Richardson, {S. J.}",
year = "2014",
month = "9",
day = "2",
doi = "10.5194/acp-14-9029-2014",
language = "English (US)",
volume = "14",
pages = "9029--9050",
journal = "Atmospheric Chemistry and Physics",
issn = "1680-7316",
publisher = "European Geosciences Union",
number = "17",

}

TY - JOUR

T1 - Assessment of uncertainties of an aircraft-based mass balance approach for quantifying urban greenhouse gas emissions

AU - Cambaliza, M. O L

AU - Shepson, P. B.

AU - Caulton, D. R.

AU - Stirm, B.

AU - Samarov, D.

AU - Gurney, Kevin

AU - Turnbull, J.

AU - Davis, K. J.

AU - Possolo, A.

AU - Karion, A.

AU - Sweeney, C.

AU - Moser, B.

AU - Hendricks, A.

AU - Lauvaux, T.

AU - Mays, K.

AU - Whetstone, J.

AU - Huang, J.

AU - Razlivanov, I.

AU - Miles, N. L.

AU - Richardson, S. J.

PY - 2014/9/2

Y1 - 2014/9/2

N2 - Urban environments are the primary contributors to global anthropogenic carbon emissions. Because much of the growth in CO2 emissions will originate from cities, there is a need to develop, assess, and improve measurement and modeling strategies for quantifying and monitoring greenhouse gas emissions from large urban centers. In this study the uncertainties in an aircraft-based mass balance approach for quantifying carbon dioxide and methane emissions from an urban environment, focusing on Indianapolis, IN, USA, are described. The relatively level terrain of Indianapolis facilitated the application of mean wind fields in the mass balance approach. We investigate the uncertainties in our aircraft-based mass balance approach by (1) assessing the sensitivity of the measured flux to important measurement and analysis parameters including wind speed, background CO2 and CH4, boundary layer depth, and interpolation technique, and (2) determining the flux at two or more downwind distances from a point or area source (with relatively large source strengths such as solid waste facilities and a power generating station) in rapid succession, assuming that the emission flux is constant. When we quantify the precision in the approach by comparing the estimated emissions derived from measurements at two or more downwind distances from an area or point source, we find that the minimum and maximum repeatability were 12 and 52%, with an average of 31%. We suggest that improvements in the experimental design can be achieved by careful determination of the background concentration, monitoring the evolution of the boundary layer through the measurement period, and increasing the number of downwind horizontal transect measurements at multiple altitudes within the boundary layer.

AB - Urban environments are the primary contributors to global anthropogenic carbon emissions. Because much of the growth in CO2 emissions will originate from cities, there is a need to develop, assess, and improve measurement and modeling strategies for quantifying and monitoring greenhouse gas emissions from large urban centers. In this study the uncertainties in an aircraft-based mass balance approach for quantifying carbon dioxide and methane emissions from an urban environment, focusing on Indianapolis, IN, USA, are described. The relatively level terrain of Indianapolis facilitated the application of mean wind fields in the mass balance approach. We investigate the uncertainties in our aircraft-based mass balance approach by (1) assessing the sensitivity of the measured flux to important measurement and analysis parameters including wind speed, background CO2 and CH4, boundary layer depth, and interpolation technique, and (2) determining the flux at two or more downwind distances from a point or area source (with relatively large source strengths such as solid waste facilities and a power generating station) in rapid succession, assuming that the emission flux is constant. When we quantify the precision in the approach by comparing the estimated emissions derived from measurements at two or more downwind distances from an area or point source, we find that the minimum and maximum repeatability were 12 and 52%, with an average of 31%. We suggest that improvements in the experimental design can be achieved by careful determination of the background concentration, monitoring the evolution of the boundary layer through the measurement period, and increasing the number of downwind horizontal transect measurements at multiple altitudes within the boundary layer.

UR - http://www.scopus.com/inward/record.url?scp=84906877789&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=84906877789&partnerID=8YFLogxK

U2 - 10.5194/acp-14-9029-2014

DO - 10.5194/acp-14-9029-2014

M3 - Article

AN - SCOPUS:84906877789

VL - 14

SP - 9029

EP - 9050

JO - Atmospheric Chemistry and Physics

JF - Atmospheric Chemistry and Physics

SN - 1680-7316

IS - 17

ER -