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Discussion papers
https://doi.org/10.5194/essd-2018-148
© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/essd-2018-148
© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.

Review article 29 Jan 2019

Review article | 29 Jan 2019

Review status
This discussion paper is a preprint. It is a manuscript under review for the journal Earth System Science Data (ESSD).

The Utah urban carbon dioxide (UUCON) and Uintah Basin greenhouse gas networks: Instrumentation, data and measurement uncertainty

Ryan Bares1,2, Logan Mitchell1, Ben Fasoli1, David Bowling1,3, Douglas Catharine1, Maria Garcia3, Byron Eng1, Jim Ehleringer3, and John C. Lin1 Ryan Bares et al.
  • 1Department Atmospheric Sciences, University of Utah, Salt Lake City, UT, USA
  • 2Global Change and Sustainability Center, University of Utah, Salt Lake City, UT, USA
  • 3School of Biological Sciences, University of Utah, Salt Lake City, UT, USA

Abstract. The Utah Urban CO2 Network (UUCON) is a network of near-surface atmospheric carbon dioxide (CO2) measurement sites aimed at quantifying long-term changes in urban and rural locations throughout northern Utah since 2001. We document improvements to UUCON made in 2015 that increase measurement precision, standardize sampling protocols, and expand the number of measurement locations to represent a larger region in northern Utah. In a parallel effort, near-surface CO2 and methane (CH4) measurement sites were assembled as part of the Uintah Basin Greenhouse Gas (GHG) network in a region of oil and natural gas extraction located in northeastern Utah. Additional efforts have resulted in automated quality control, calibration, and visualization of data through utilities hosted online (http://https://air.utah.edu). These improvements facilitate atmospheric modeling efforts and quantify atmospheric composition in urban and rural locations throughout northern Utah. Here we present an overview of the instrumentation design and methods within UUCON and the Uintah Basin GHG networks as well as describe and report measurement uncertainties using a broadly applicable and novel method. Historic and modern data described in this paper are archived with the National Oceanic and Atmospheric Administration's (NOAA) National Centers for Environmental Information (NCEI) and can be found at https://doi.org/10.7289/V50R9MN2 and https://doi.org/10.25921/8vaj-bk51 respectively

Ryan Bares et al.
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Ryan Bares et al.
Data sets

Carbon Dioxide (CO2) mole fraction, CO2 flux, and others collected from Salt Lake City CO2 measurement network in Western U.S. from 2001-02-07 to 2015-10-23 L. E. Mitchell, J. C. Lin, D. Bowling, D. Pataki, C. Strong, A. Schauer, R. Bares, S. Bush, B. Stephens, D. Mendoza, D. Mallia, L. Holland, K. Gurney, and J. Ehleringer https://doi.org/10.7289/V50R9MN2

Model code and software

pCO2 - AIR and Methane (CH4) from 2013-10-01 to 2018-04-01 R. Bares, J. C. Lin, B. Fasoli, L. E. Mitchell, D. R. Bowling, M. Garcia, C. Douglas and J. R. Ehleringer https://doi.org/10.25921/8vaj-bk51

Ryan Bares et al.
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Short summary
We overview 2 near surface trace gas measurement networks with the aim of describing procedures, locations and data structure with sufficient detail to serve as an in-depth methods reference. Additionally, we developed a novel method for quantifying measurement uncertainty produced by these networks providing insight into appropriate applications of the data, and differences in data collection methods. This uncertainty metric is broadly applicable to many trace gas and air quality datasets.
We overview 2 near surface trace gas measurement networks with the aim of describing procedures,...
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