Future methane measurement campaigns require basin-specific sampling strategies
Abstract
Methane emissions from the oil and gas sector follow right-skewed, heavy-tailed distributions, making it hard to accurately quantify average emissions with a limited number of measurements. In this study, we probe the statistical implications of sampling (i.e., measuring) from these right-skewed, heavy-tailed distributions using six US oil and gas basins as an example. For each basin, we provide a minimum sample size that bounds error in the average emission rate estimate introduced by sampling variability. We find that the largest emissions drive sample behavior, and by extension, sample size requirements; samples will underestimate (overestimate) average emissions if super-emitters are observed below (above) their true frequency. Importantly, we show that very large sample sizes can be necessary to mitigate this sampling effect. Furthermore, we find that a one-size-fits-all sampling strategy across basins is suboptimal; differences in super-emitter characteristics between basins necessitate a more tailored sampling approach.
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BibTeX
@article{daniels2026future,
title = {{Future methane measurement campaigns require basin-specific sampling strategies}},
author = {William S. Daniels and Dorit M. Hammerling},
journal = {Communications Earth \& Environment},
year = {2026},
month = oct,
doi = {10.1038/s43247-026-04089-4},
url = {https://www.nature.com/articles/s43247-026-04089-4},
note = {CC BY 4.0},
}
RIS
TY - JOUR
TI - Future methane measurement campaigns require basin-specific sampling strategies
AU - William S. Daniels
AU - Dorit M. Hammerling
PY - 2026
DA - 2026/10/03
JO - Communications Earth & Environment
DO - 10.1038/s43247-026-04089-4
UR - https://www.nature.com/articles/s43247-026-04089-4
AB - Methane emissions from the oil and gas sector follow right-skewed, heavy-tailed distributions, making it hard to accurately quantify average emissions with a limited number of measurements. In this study, we probe the statistical implications of sampling (i.e., measuring) from these right-skewed, heavy-tailed distributions using six US oil and gas basins as an example. For each basin, we provide a minimum sample size that bounds error in the average emission rate estimate introduced by sampling variability. We find that the largest emissions drive sample behavior, and by extension, sample size requirements; samples will underestimate (overestimate) average emissions if super-emitters are observed below (above) their true frequency. Importantly, we show that very large sample sizes can be necessary to mitigate this sampling effect. Furthermore, we find that a one-size-fits-all sampling strategy across basins is suboptimal; differences in super-emitter characteristics between basins necessitate a more tailored sampling approach.
SN - 2662-4435
ER -