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Discussion papers
https://doi.org/10.5194/essd-2018-162
© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/essd-2018-162
© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.

Submitted as: data description paper 25 Feb 2019

Submitted as: data description paper | 25 Feb 2019

Review status
This discussion paper is a preprint. A revision of this manuscript was accepted for the journal Earth System Science Data (ESSD) and is expected to appear here in due course.

The Hestia Fossil Fuel CO2 Emissions Data Product for the Los Angeles Megacity (Hestia-LA)

Kevin R. Gurney1, Risa Patarasuk3, Jianming Liang2,a, Yang Song2, Darragh O'Keeffe4, Preeti Rao5, James R. Whetstone6, Riley M. Duren7, Annmarie Eldering7, and Charles Miller7 Kevin R. Gurney et al.
  • 1School of Informatics, Computing, and Cyber Systems, Northern Arizona University, Flagstaff, AZ, USA
  • 2School of Life Sciences, Arizona State University, Tempe, AZ, USA
  • 3Citrus County, Dept. of Systems Management, Lecanto, FL, USA
  • 4Contra Costa County, Department of Information Technology, Martinez, CA, USA
  • 5School for Environment and Sustainability, University of Michigan, Ann Arbor, MI, USA
  • 6National Institute for Standards and Technology, Gaithersburg, MD, USA
  • 7NASA Jet Propulsion Laboratory, California Institute of Technology, Pasadena, CA, USA
  • anow at: ESRI, Redlands, CA, USA

Abstract. As a critical constraint to atmospheric CO2 inversion studies, bottom-up spatiotemporally-explicit emissions data products are necessary to construct comprehensive CO2 emission information systems useful for trend detection and emissions verification. High-resolution bottom-up estimation is also useful as a guide to mitigation options, offering details that can increase mitigation efficiency and synergize with other policy goals at the national to sub-urban spatial scale. The ‘Hestia Project’ is an effort to provide bottom-up fossil fuel (FFCO2) emissions at the urban scale with building/street and hourly space-time resolution. Here, we report on the latest urban area for which a Hestia estimate has been completed – the Los Angeles Megacity, encompassing five counties: Los Angeles County, Orange County, Riverside County, San Bernardino County and Ventura County. We provide a complete description of the methods used to build the Hestia FFCO2 emissions data product which is presented on a 1 km x 1 km grid for the years 2010–2015. We find that the LA Basin emits 48.06 (± 5.3) MtC/yr, dominated by the onroad sector. Because of the uneven spatial distribution of emissions, 10 % of the largest emitting gridcells account for 93.6 %, 73.4 %, 66.2 %, and 45.3 % of the industrial, commercial, onroad, and residential sector emissions, respectively. Hestia FFCO2 emissions are 10.7 % larger than the inventory estimate generated by the local metropolitan planning agency, a difference that is driven by the industrial and electricity production sectors. The Hestia-LA v2.5 emissions data product can be downloaded from the data repository at the National Institute of Standards and Technology (https://doi.org/10.18434/T4/1502503).

Kevin R. Gurney et al.
Interactive discussion
Status: closed
Status: closed
AC: Author comment | RC: Referee comment | SC: Short comment | EC: Editor comment
Printer-friendly Version - Printer-friendly version Supplement - Supplement
Interactive discussion
Status: closed
Status: closed
AC: Author comment | RC: Referee comment | SC: Short comment | EC: Editor comment
Printer-friendly Version - Printer-friendly version Supplement - Supplement
Kevin R. Gurney et al.
Data sets

Hestia Fossil Fuel Carbon Dioxide (FFCO2) Data Product - Los Angeles Basin, Version 2.5, 1km grid K. R. Gurney, J. Liang, D. O'Keeffe, J. Huang, Y. Song, P. Rao, and T. M. Wong https://doi.org/10.18434/T4/1502503

Kevin R. Gurney et al.
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Short summary
The ‘Hestia Project’ is an effort to provide bottom-up fossil fuel (FFCO2) emissions at the urban scale with building/street and hourly space-time resolution. Here, we report on the latest urban area for which a Hestia estimate has been completed – the Los Angeles Megacity. We provide a complete description of the methods used to build the Hestia FFCO2 emissions data product and general analysis of the numerical results.
The ‘Hestia Project’ is an effort to provide bottom-up fossil fuel (FFCO2) emissions at the...
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