Volcanic Gas studies in Hawaii—then and now
![Volcanic Gas studies in Hawaii—then and now...](https://d9-wret.s3.us-west-2.amazonaws.com/assets/palladium/production/s3fs-public/styles/full_width/public/vhp_img2857.jpg?itok=9EULqM-C)
Detailed Description
Gas sampling then and now: the left image shows Shepherd and Day's hornito gas sampling set up in May 1912; the right images is the FTIR looking into the Halema‘uma‘u vent, acquiring the same sort of information today.