G. G. J. Ernst

4 Questions 10 Answers 0 Followers

Questions related from G. G. J. Ernst

Large volcanic eruptions, stratosphere water vapour injection, ozone loss, and potential mass extinctions ?

Hello everyone, At least 3 cyclic mechanisms are known for the catalytic destruction of stratospheric ozone (cf. Crutzen, Molina, Rowland and others). In the stratosphere, it is usually considered...

09 September 2015 9,644 1 View

Has anyone carried out an integrated study of a subplinian explosive eruption linking aeroacoustics to the various signals?

Hello everyone, Plinian and subplinian style explosive eruptions are aeroacoustic emittors. They radiate infrasounds. The aeroacoustic emission and spectral content is related to the physical...

09 September 2015 7,387 2 View

Has anyone ever documented blue jets, elves or sprites above volcanic eruption clouds ?

Hello everyone, I am re-asking a question I have recently asked as I believe I used the wrong keywords to attract the attention of those who may have the answer. In the early to mid 1990s, my...

09 September 2015 6,566 8 View

Has anyone ever tried to detect Blue Jets, Elves and Sprites above Volcanic Eruption Clouds ?

Many years back, I attended a special session on Elves, Sprites and Blue Jets at AGU in San Francisco. These are typically observed above severe thunderstorm clouds and are observed at something...

08 August 2015 8,127 2 View