Abstract
The Chilean volcano Calbuco erupted twice in 2015. The first eruption occurred at 21:04 UTC April 22nd, and the second at 04:00 UTC April 23rd. The ash cloud elevated to stratospheric levels, and extended hundreds of kilometers to the North East reaching Argentina. The RMA0, a polarimetric Doppler weather radar (located at San Carlos de Bariloche airport in Argentina, 124 km to the East) detected both clouds. The movement of the ash cloud could be followed in detail, and the height is reached, about 25 km, allowed an estimation of the total mass ejected: (4.4±0.7)×1011 kg for the first eruption and (1.9±0.3)×1012kg for the second. These estimates suggest this eruption should be classified by a VEI 4 or 5. A new formulation was developed to allow the use of Kdp and Zdr polarimetric radar variables to quantify the concentration of volcanic ash. Also ρhv is used to infer the change of behavior between early and later stages of the eruption.
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
More From: Remote Sensing Applications: Society and Environment
Disclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.