Remote sampling of a CO2 point source in an urban setting

Sparks, Nathan; Toumi, Ralf

doi:10.1016/j.atmosenv.2010.07.048

Cited by 20 publications

(16 citation statements)

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“…A flux tower combines measurements from a CO 2 gas analyzer and a colocated three-dimensional wind sensor with eddy-covariance techniques to directly estimate a flux [Baldocchi, 2003]. The eddy-covariance technique is used extensively in studying ecosystem fluxes [e.g., Wofsy et al, 1993] with some application to urban domains [e.g., Grimmond et al, 2002;Coutts et al, 2007;Sparks and Toumi, 2010]. However, the effective footprint or sensitivity of such flux towers is typically very small, approximately 1 km in diameter.…”

Section: In Situ Observations Of Atmospheric Mixing Ratiosmentioning

confidence: 99%

Urbanization and the carbon cycle: Current capabilities and research outlook from the natural sciences perspective

et al. 2014

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This paper explores the urban carbon cycle from the natural sciences perspective, identifying key knowledge gaps and priority areas for future research. The combination of large, concentrated carbon fluxes and rapid change makes cities key elements of the carbon cycle and offers the potential for them to serve as "first responders" for climate action. Estimates of urban-scale carbon fluxes are significantly more uncertain than at larger spatial scales, in part because past studies have mostly avoided local/urban scales where the mix of anthropogenic and natural fluxes is complex and difficult to observationally isolate. To develop effective emission reduction policies, we need to understand emission sources and how they may be changing. Such improved quantification and understanding of underlying processes at the urban scale will not only provide policy-relevant information and improve the understanding of urban dynamics and future scenarios, but will also translate into better global-scale anthropogenic flux estimates, and advance our understanding of carbon cycle and climate feedbacks across multiple scales. Understanding the relationship between urbanization and urban carbon flows requires intellectual integration with research communities beyond the natural sciences. Cities can serve as interdisciplinary process laboratories that are sufficiently constrained in both spatial and governance scale to support truly integrated research by the natural sciences, social sciences, and engineering. A thoughtfully crafted science research agenda that is grounded in sustained, dense observations relevant to estimating urban carbon fluxes and their controlling processes and is focused on a statistically significant sample of cities will advance our understanding of the carbon cycle.

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Section: In Situ Observations Of Atmospheric Mixing Ratiosmentioning

confidence: 99%

Urbanization and the carbon cycle: Current capabilities and research outlook from the natural sciences perspective

et al. 2014

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“…It is possible to conduct the research by monitoring multiple pollution components [2][3][4][5][6][7][8]11], or a single one but with multiple instruments and measuring locations [5,6,9,12]. Some research is done through long-term measurements [11,12], and some with relatively short-therm, but with high frequency [9,10]. A number of studies has been done on CO 2 level monitoring, which is expected, considering growing global warming problems [6,7,[9][10][11].…”

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“…Some research is done through long-term measurements [11,12], and some with relatively short-therm, but with high frequency [9,10]. A number of studies has been done on CO 2 level monitoring, which is expected, considering growing global warming problems [6,7,[9][10][11]. A lot of studies compare measured and model or numerical data [3][4][5]8].…”

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confidence: 99%

“…A lot of studies compare measured and model or numerical data [3][4][5]8]. A number of authors apply detailed statistical analysis [10]. As the locations of the sources are very important, it was shown that it is possible to de-tect the sources of pollution, if the wind data are known [8].…”

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confidence: 99%

“…show results for CO 2 concentration, wind direction and speed and temperature measurements on Monitoring Sites 1 and 2 are shown for the period 30.09.2009-24 10…”

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Rapid industry development as well as increase of traffic volume across the world resulted in air quality becoming one of the most important factors of everyday life. Air quality monitoring is the necessary factor for proper decision making regarding air pollution. An integral part of such investigations is the measurement of wind characteristics, as the wind is the most influential factor in turbulent pollution diffusion into the atmosphere. The most of the air pollution originates from combustion processes, so it is important to make quantitative, as well as qualitative analysis, as the sources of pollution can be very distant. In this paper, specific methodology for continuous wind, temperature and air quality data acquisition is presented. Comparison of the measured results is given, as well as the detailed presentation of the characteristics of the acquisition software used

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Urban Measurements and Their Interpretation

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2021

Springer Handbooks

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Remote sampling of a CO2 point source in an urban setting

Cited by 20 publications

References 23 publications

Urbanization and the carbon cycle: Current capabilities and research outlook from the natural sciences perspective

Urbanization and the carbon cycle: Current capabilities and research outlook from the natural sciences perspective

Specific approach for continuous air quality monitoring

Urban Measurements and Their Interpretation

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