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Multiyear average characteristics of CO2 variations in the free atmosphere over Colorado (40° N, 104° W). / Gavrilov, N. M.; Tans, P.; Guenther, D.; Sweeney, C.

In: Atmospheric Environment, Vol. 72, 2013, p. 159-164.

Research output: Contribution to journal › Article › peer-review

Harvard

Gavrilov, NM, Tans, P, Guenther, D & Sweeney, C 2013, 'Multiyear average characteristics of CO2 variations in the free atmosphere over Colorado (40° N, 104° W)', Atmospheric Environment, vol. 72, pp. 159-164. https://doi.org/10.1016/j.atmosenv.2013.02.054

APA

Gavrilov, N. M., Tans, P., Guenther, D., & Sweeney, C. (2013). Multiyear average characteristics of CO2 variations in the free atmosphere over Colorado (40° N, 104° W). Atmospheric Environment, 72, 159-164. https://doi.org/10.1016/j.atmosenv.2013.02.054

Vancouver

Gavrilov NM, Tans P, Guenther D, Sweeney C. Multiyear average characteristics of CO2 variations in the free atmosphere over Colorado (40° N, 104° W). Atmospheric Environment. 2013;72:159-164. https://doi.org/10.1016/j.atmosenv.2013.02.054

Author

Gavrilov, N. M. ; Tans, P. ; Guenther, D. ; Sweeney, C. / Multiyear average characteristics of CO2 variations in the free atmosphere over Colorado (40° N, 104° W). In: Atmospheric Environment. 2013 ; Vol. 72. pp. 159-164.

BibTeX

@article{c4e60d19a37740319c55e67d3b401039,
title = "Multiyear average characteristics of CO2 variations in the free atmosphere over Colorado (40° N, 104° W)",
abstract = "A statistical analysis is made of vertical changes in CO2 mole fraction and its seasonal variations in the free troposphere from the data of flask aircraft measurements over Briggsdale and Carr, Colorado, USA (w40 N, w104 W) during years 1992e2011. Polynomials give good approximations for the general CO2 19-year grows rates at different altitudes in the troposphere. The averaged over altitudes 4e8 km 19-year mean CO2 mole fraction related to year 2002 is 372.1 0.1 ppm, its mean growth rate is 1.97 0.02 ppm yr1 and acceleration of the grows is 0.019 0.01 ppm yr2. Observed CO2 seasonal cycles, also amplitudes and phases of their spectral components are less variable in the troposphere above altitude 4e5 km than below. This may reflect better mixing and larger influence of atmospheric circulation there, than at lower altitudes. Annual and semiannual components could prevail in average CO2 seasonal cycle in the troposphere above altitude 4e5 km, while shorter period components are more important at lower altit",
keywords = "Carbon dioxide, CO2, Atmosphere, Aircraft, Flask measurements, Seasonal variation, Climatology",
author = "Gavrilov, {N. M.} and P. Tans and D. Guenther and C. Sweeney",
year = "2013",
doi = "10.1016/j.atmosenv.2013.02.054",
language = "English",
volume = "72",
pages = "159--164",
journal = "Atmospheric Environment",
issn = "1352-2310",
publisher = "Elsevier",

}

RIS

TY - JOUR

T1 - Multiyear average characteristics of CO2 variations in the free atmosphere over Colorado (40° N, 104° W)

AU - Gavrilov, N. M.

AU - Tans, P.

AU - Guenther, D.

AU - Sweeney, C.

PY - 2013

Y1 - 2013

N2 - A statistical analysis is made of vertical changes in CO2 mole fraction and its seasonal variations in the free troposphere from the data of flask aircraft measurements over Briggsdale and Carr, Colorado, USA (w40 N, w104 W) during years 1992e2011. Polynomials give good approximations for the general CO2 19-year grows rates at different altitudes in the troposphere. The averaged over altitudes 4e8 km 19-year mean CO2 mole fraction related to year 2002 is 372.1 0.1 ppm, its mean growth rate is 1.97 0.02 ppm yr1 and acceleration of the grows is 0.019 0.01 ppm yr2. Observed CO2 seasonal cycles, also amplitudes and phases of their spectral components are less variable in the troposphere above altitude 4e5 km than below. This may reflect better mixing and larger influence of atmospheric circulation there, than at lower altitudes. Annual and semiannual components could prevail in average CO2 seasonal cycle in the troposphere above altitude 4e5 km, while shorter period components are more important at lower altit

AB - A statistical analysis is made of vertical changes in CO2 mole fraction and its seasonal variations in the free troposphere from the data of flask aircraft measurements over Briggsdale and Carr, Colorado, USA (w40 N, w104 W) during years 1992e2011. Polynomials give good approximations for the general CO2 19-year grows rates at different altitudes in the troposphere. The averaged over altitudes 4e8 km 19-year mean CO2 mole fraction related to year 2002 is 372.1 0.1 ppm, its mean growth rate is 1.97 0.02 ppm yr1 and acceleration of the grows is 0.019 0.01 ppm yr2. Observed CO2 seasonal cycles, also amplitudes and phases of their spectral components are less variable in the troposphere above altitude 4e5 km than below. This may reflect better mixing and larger influence of atmospheric circulation there, than at lower altitudes. Annual and semiannual components could prevail in average CO2 seasonal cycle in the troposphere above altitude 4e5 km, while shorter period components are more important at lower altit

KW - Carbon dioxide

KW - CO2

KW - Atmosphere

KW - Aircraft

KW - Flask measurements

KW - Seasonal variation

KW - Climatology

U2 - 10.1016/j.atmosenv.2013.02.054

DO - 10.1016/j.atmosenv.2013.02.054

M3 - Article

VL - 72

SP - 159

EP - 164

JO - Atmospheric Environment

JF - Atmospheric Environment

SN - 1352-2310

ER -

ID: 7370307