Methane drone hovering above permafrost
![drone](https://d9-wret.s3.us-west-2.amazonaws.com/assets/palladium/production/s3fs-public/styles/full_width/public/thumbnails/image/20180810_131943.jpg?itok=ai6uv-_R)
Detailed Description
Looking up at a drone hovering near an open-path methane analyzer mounted on a flux tower. Instruments mounted on both the towers and on the drones are measuring gases emitted from the soil.
Sources/Usage
Public Domain.