Articles | Volume 10, issue 1
Earth Syst. Sci. Data, 10, 653–676, 2018
https://doi.org/10.5194/essd-10-653-2018
Earth Syst. Sci. Data, 10, 653–676, 2018
https://doi.org/10.5194/essd-10-653-2018

  28 Mar 2018

28 Mar 2018

Vista-LA: Mapping methane-emitting infrastructure in the Los Angeles megacity

Valerie Carranza et al.

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Short summary
We present a GIS-based approach to mapping methane emissions in areas with dense, complex source mixtures. The Vista-LA database classifies >33 000 potential methane-emitting features concentrated on <1% of the land area in California's South Coast Air Basin. The database is used for planning and analysis of atmospheric measurements, including airborne remote sensing campaigns and on-road mobile surveys focused on methane "hot-spot" detection, and development of a regional emissions inventory.