Dataset: all TROPOMI detected plumes for 2021. [Schuit et al. 2023: Automated detection and monitoring of methane super-emitters using satellite data]
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Dataset of all TROPOMI detected methane plumes in 2021, including estimates for the source location, emission quantification and source type. Corresponds to Figure 6 of Schuit et al. 2023 [Automated detection and monitoring of methane super-emitters using satellite data, https://doi.org/10.5194/acp-23-9071-2023]. Additional details and context are provided in Section 3 of the paper. <em>Contents and data formats</em> <strong>date</strong>, date of the TROPOMI observation. format: YYYYMMDD <strong>time_UTC</strong>, time of the TROPOMI observation in UTC. format: HH:MM:SS <strong>lat</strong>, latitude of the center of the TROPOMI pixel at the estimated source location. format: float <strong>lon</strong>, longitude of the center of the TROPOMI pixel at the estimated source location. format: float <strong>source_rate_t/h</strong>, estimated emission source rate in tonnes per hour, the methodology is described in Section 2.5.1 of the paper. format: int <strong>uncertainty_t/h</strong>, the uncertainty of the emission source rate in tonnes per hour, the methodology is described in Section 2.5.1 of the paper. format: int <strong>estimated_source_type</strong>, the locally dominant anthropogenic source sector based on bottom-up inventories, the methodology is described in Section 2.5.3 of the paper. format: str Full citation of the paper: Schuit, B. J., Maasakkers, J. D., Bijl, P., Mahapatra, G., van den Berg, A.-W., Pandey, S., Lorente, A., Borsdorff, T., Houweling, S., Varon, D. J., McKeever, J., Jervis, D., Girard, M., Irakulis-Loitxate, I., Gorroño, J., Guanter, L., Cusworth, D. H., and Aben, I.: Automated detection and monitoring of methane super-emitters using satellite data, Atmos. Chem. Phys., 23, 9071–9098, https://doi.org/10.5194/acp-23-9071-2023, 2023.
2021年所有由TROPOMI探测到的甲烷羽流数据集，包含排放源位置估算、排放量化结果以及排放源类型信息。该数据集对应Schuit等人2023年发表的论文《利用卫星数据自动化探测与监测甲烷超级排放源》（https://doi.org/10.5194/acp-23-9071-2023）中的图6。该论文的第3节提供了本数据集的更多细节与背景信息。 <em>数据内容与格式</em> <strong>date</strong>：TROPOMI观测日期，格式为YYYYMMDD。 <strong>time_UTC</strong>：TROPOMI观测的UTC时间，格式为HH:MM:SS。 <strong>lat</strong>：估算排放源位置处TROPOMI像元中心的纬度，格式为浮点数。 <strong>lon</strong>：估算排放源位置处TROPOMI像元中心的经度，格式为浮点数。 <strong>source_rate_t/h</strong>：估算的排放源速率，单位为吨每小时，相关方法详见该论文第2.5.1节，格式为整数。 <strong>uncertainty_t/h</strong>：排放源速率的不确定性，单位为吨每小时，相关方法详见该论文第2.5.1节，格式为整数。 <strong>estimated_source_type</strong>：基于自下而上排放清单得到的局地主导人为排放源行业类别，相关方法详见该论文第2.5.3节，格式为字符串。 完整论文引用：Schuit, B. J., Maasakkers, J. D., Bijl, P., Mahapatra, G., van den Berg, A.-W., Pandey, S., Lorente, A., Borsdorff, T., Houweling, S., Varon, D. J., McKeever, J., Jervis, D., Girard, M., Irakulis-Loitxate, I., Gorroño, J., Guanter, L., Cusworth, D. H., 及 Aben, I.：利用卫星数据自动化探测与监测甲烷超级排放源，《大气化学与物理》，23卷，9071–9098页，https://doi.org/10.5194/acp-23-9071-2023，2023年。
