Latest news

Nature Communications publication!

Monika et al. have published a paper on stratospheric temperature response to EPP-driven ozone depletion. A statistical analysis of WACCM simulations shows that a 25% reduction in polar upper stratospheric ozone indeed leads to 3 Kelvin decrease in temperatures. Our study also highlights the urgent need for an improved representation of decadal solar particle forcing in climate simulations. Read the Nature Communication paper here

VERSIM Workshop at SGO

SGO organised the VLF-ELF Remote Sensing of the Ionospheres and Magnetospheres Workshop from 7th to 11th of November, 2022. With the topics including sources and measurements of EPP, many CHAMOS scientists were attending. Workshop web pages are here

ISSI team meeting in Bern

International Space Science Institute in Bern hosted and funded our second meeting of the Space Weather Induced Ionisation Effects on the Ozone Layer project on 5-9 September, 2022. After a two-year delay due to the virus, it is nice to get together again! Project web page is here

CHAMOS work at FMI

A spring meeting between SGO and FMI teams was organised in Helsinki. In addition to face-2-face, hands-on work together, we also had project meetings for both SUNVAC and HISSA!

Academy project HISSA accepted!

HISSA consortium between University of Helsinki, SGO/University of Oulu and CSC unite forces to study ionosphere by using the latest Finnish supercomputers for the next 3 years! Here SGO's task is to develop new analysis methods for the upcoming EISCAT_3D, including a routine-basis inversion of EPP characteristics as a new data product. Our humble aim is also to design the best D-region radar experiment in the world!

Pekka joins CAIRT MAG

The European Space Agency has selected Pekka Verronen for the CAIRT Mission Advisory Group. CAIRT (The Changing-Atmosphere Infra-Red Tomography Explorer) is one of the four Earth Explorer 11 mission candidates entering Phase 0. The role of MAG is to provide the most robust basis for a rigorous and feasible mission definition, in particular through the consolidation of requirements, by identifying and addressing concerns and challenges, and proactively challenging the proposal and proposed concepts, all needed to successfully pass through the next evaluation step. More on the Earth Explorer 11 missions.

Pekka joins the EISCAT council

The Academy of Finland has named Pekka Verronen into its EISCAT Council delegation as a scientific representative for the year 2021. The EISCAT Council is the governing body of EISCAT Scientific Association and has an overall responsibility for the activities of the Association. More on the EISCAT council.

CHAMOS workshop held in Zoomlandia

This year the CHAMOS Workshop is held as a series of zoomcons between October 2020 and March 2021. Organized by the Sodankylä Geophysical Observatory, we gathered to discuss CHAMOS science and our collaboration projects, including new instrument funding for scanning doppler imagers, recent work on SH ozone, and the results of ESA Deadalus Phase 0 project.

ISSI team meeting in Bern

International Space Science Institute in Bern hosted and funded our first meeting of the Space Weather Induced Ionisation Effects on the Ozone Layer project on 3-7 February, 2020 . Antti leads the project and Jia, Annika, Niilo, and Pekka are also in the team. Overall, ISSI funding covers two one-week meetings in Bern for the whole team and two young scientists. Thanks to the team for a productive week! Project web page is here

New aurora form discovered: the Dunes!

Maxime and Pekka worked in a research team that identified a new form of aurora. Originally found by citizen scientists, we contributed to the analysis and interpretation of the discovered Dunes and related upper atmospheric phenomena. A press release from University of Helsinki is here.

SGO Observatory Days

The CHAMOS team participated heavily in the SGO Observatory Days, presenting our ionospheric and atmospheric research. The meeting web page is here.

Academy project ICT-SUNVAC begins!

SUNVAC consortium between University of Helsinki, FMI and CSC unite forces to connect state-of-the-art Vlasiator magnetospheric simulations and WACCM atmospheric simulations. The idea is to calculate most detailed auroral electron forcing and use it to solve the current underestimation of NOx species in the mesosphere and lower thermosphere.

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