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Gridded National Inventory of U.S. Methane Emissions
Open accessAbstract
We present a gridded inventory of US anthropogenic methane emissions with 0.1° × 0.1° spatial resolution, monthly temporal resolution, and detailed scale-dependent error characterization. The inventory is designed to be consistent with the 2016 US Environmental Protection Agency (EPA) Inventory of US Greenhouse Gas Emissions and Sinks (GHGI) for 2012. The EPA inventory is available only as national totals for different source types. We use a wide range of databases at the state, county, local, and point source level to disaggregate the inventory and allocate the spatial and temporal distribution of emissions for individual source types. Results show large differences with the EDGAR v4.2 global gridded inventory commonly used as a priori estimate in inversions of atmospheric methane observations. We derive grid-dependent error statistics for individual source types from comparison with the Environmental Defense Fund (EDF) regional inventory for Northeast Texas. These error statistics are independently verified by comparison with the California Greenhouse Gas Emissions Measurement (CALGEM) grid-resolved emission inventory. Our gridded, time-resolved inventory provides an improved basis for inversion of atmospheric methane observations to estimate US methane emissions and interpret the results in terms of the underlying processes.
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Cited by
Satellite observations of atmospheric methane and their value for quantifying methane emissions
Jacob, D. J., Turner, A. J., Maasakkers, J. D., Sheng, J., Sun, K., Liu, X., Chance, K., Aben, I., McKeever, J., & Frankenberg, C. (2016) · Atmospheric Chemistry and Physics · doi:10.5194/acp-16-14371-2016 · Cited by 506
Self-citationWorden, J. R., Cusworth, D. H., Qu, Z., Yin, Y., Zhang, Y., Bloom, A. A., Ma, S., Byrne, B. K., Scarpelli, T., Maasakkers, J. D., et al. (2022) · Atmospheric Chemistry and Physics · doi:10.5194/acp-22-6811-2022 · Cited by 90
Self-citationFacility-scale inventory of dairy methane emissions in California: implications for mitigation
Marklein, A. R., Meyer, D., Fischer, M. L., Jeong, S., Rafiq, T., Carr, M., & Hopkins, F. M. (2021) · Earth System Science Data · doi:10.5194/essd-13-1151-2021 · Cited by 28
Self-citationHeerah, S., Frausto‐Vicencio, I., Jeong, S., Marklein, A. R., Ding, Y., Meyer, A. G., Parker, H. A., Fischer, M. L., Franklin, J. E., Hopkins, F. M., et al. (2021) · Journal of Geophysical Research: Atmospheres · doi:10.1029/2021jd034785 · Cited by 22
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Metadata
- Authors
- Maasakkers, J. D., Jacob, D. J., Sulprizio, M. P., Turner, A. J., Weitz, M., Wirth, T., Hight, C., DeFigueiredo, M., Desai, M., Schmeltz, R., Hockstad, L., Bloom, A. A., Bowman, K. W., Jeong, S., & Fischer, M. L.
- Venue
- Environmental Science & Technology
- Publisher
- American Chemical Society (ACS)
- Published
- 2016-11-16
- Volume
- 50
- Issue
- 23
- Pages
- 13123-13133
- ISSN
- 0013-936X (ISSN-L)
- 1520-5851
- OpenAlex
- W2556131455
- Cited by
- 300
- References
- 0
- FWCI
- 13.89
- Type
- journal article
- Language
- en
- Open access
- hybrid
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- Maasakkers, J. D., Jacob, D. J., Sulprizio, M. P., Turner, A. J., Weitz, M., Wirth, T., Hight, C., DeFigueiredo, M., Desai, M., Schmeltz, R., Hockstad, L., Bloom, A. A., Bowman, K. W., Jeong, S., & Fischer, M. L. (2016). Gridded National Inventory of U.S. Methane Emissions. Environmental Science & Technology. https://doi.org/10.1021/acs.est.6b02878
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