Submitted Papers
- A Bayesian hierarchical model for methane emission source apportionment.
William Daniels, Douglas Nychka, Dorit Hammerling.
arXiv, (2025).
[arXiv]
Refereed Papers
- A fast and lightweight implementation of the Gaussian puff model for near-field atmospheric transport of trace gasses.
Meng Jia, Ryker Fish, William Daniels, Brennan Sprinkle, Dorit Hammerling.
Scientific Reports, 15, 18710, (2025).
[Scientific Reports] [ChemRxiv]
- Investigating aerial data preanalysis schemes and site-level methane emission aggregation methods at liquefied natural gas facilities.
Olga Khaliukova, Yuanrui Zhu, William Daniels, Arvind Ravikumar, Gregory Ross, Selina Roman-White, Fiji George, Dorit Hammerling.
ACS ES&T Air, 2(6), 1009-1019, (2025).
[ES&T Air] [ChemRxiv]
- Intercomparison of three continuous monitoring systems on operating oil and gas sites.
William Daniels, Spencer Kidd, Shuting (Lydia) Yang, Shannon Stokes, Arvind Ravikumar, Dorit Hammerling.
ACS ES&T Air, 2(4), 564-577, (2025).
[ES&T Air] [ChemRxiv]
- Estimating methane emission durations using continuous monitoring systems.
William Daniels, Meng Jia, Dorit Hammerling.
Environmental Science & Technology Letters, 11(11), 1187-1192, (2024).
[ES&T Letters] [ChemRxiv]
- Detection, localization, and quantification of single-source methane emissions on oil and gas production sites using point-in-space continuous monitoring systems.
William Daniels, Meng Jia, Dorit Hammerling.
Elementa: Science of the Anthropocene, 12(1), 00110, (2024).
[Elementa] [ChemRxiv]
- Toward multiscale measurement-informed methane inventories: reconciling bottom-up site-level inventories with top-down measurements using continuous monitoring systems.
William Daniels, Jiayang (Lyra) Wang, Arvind Ravikumar, Matthew Harrison, Selina Roman-White, Fiji George, Dorit Hammerling.
Environmental Science & Technology, 57(32), 11823-11833, (2023).
[ES&T] [ChemRxiv]
- Multi-scale methane measurements at oil and gas facilities reveal necessary framework for improved emissions accounting.
Jiayang (Lyra) Wang, William Daniels, Dorit Hammerling, Matthew Harrison, Kaylyn Burmaster, Fiji George, Arvind Ravikumar.
Environmental Science & Technology, 56(20), 14743-14752, (2022).
[ES&T] [ChemRxiv]
- Interpretable models capture the complex relationship between climate indices and fire season intensity in Maritime Southeast Asia.
William Daniels, Rebecca Buchholz, Helen Worden, Fatimah Ahamad, Dorit Hammerling.
Journal of Geophysical Research: Atmospheres, 127, e2022JD036774, (2022).
[JGR Atmospheres] [NCAR OpenSky] [EarthArXiv]
Non-Refereed Papers and Articles
- Comment on EPA Docket No. EPA-HQ-OAR-2024-0350.
William Daniels, Philip Waggoner, Dorit Hammerling.
United States Environmental Protection Agency, (2024).
[EPA] [PDF]
- Comparison of co-located laser and metal oxide continuous monitoring systems.
Kellis Ward, William Daniels, Dorit Hammerling.
Payne Institute Commentary Series: Research, (2024).
[Payne Institute] [PDF]
- New method for tracking down methane emissions on oil and gas sites.
William Daniels, Dorit Hammerling, Morgan Bazilian.
Payne Institute Commentary Series: Commentary, (2024).
[Payne Institute] [PDF]
- Improving satellite monitoring of methane emissions: data science is fundamental to better emissions tracking.
Dorit Hammerling, William Daniels, Morgan Bazilian, Brooke Bowser.
Payne Institute Commentary Series: Research, (2021).
[Payne Institute] [PDF]
- Initial findings from continuous monitoring of oil and gas operations.
William Daniels, James Cromption, Dorit Hammerling, Morgan Bazilian.
Payne Institute Commentary Series: Research, (2021).
[Payne Institute] [PDF]
- Optimizing Genetic Algorithm Parameters for Atmospheric Carbon Monoxide Modeling.
Meera Duggal, William Daniels, Rebecca Buchholz, Dorit Hammerling.
NCAR Technical Notes, No. NCAR/TN-562+STR, (2021).
[NCAR] [PDF]
- regClimateChem: An R Package for Data Driven Variable Selection Applied to Atmospheric Carbon Monoxide.
William Daniels, Dorit Hammerling, Rebecca Buchholz.
NCAR Technical Notes, No. NCAR/TN-562+STR, (2020).
[NCAR] [PDF]
