Dear colleagues,

We invite abstract submissions to our session at the 2018 European Geosciences Union General Assembly, “The Use of Observations and Models to Improve Space Weather Forecasting Capabilities in the Heliosphere”.

We can now confirm invited speakers include Emilia Kilpua (Helsinki) and Nina Dresing (Kiel).

The deadline for abstract submission is 13:00 CET on 2018 January 10. The conference will be held on 2018 April 8-13 in Vienna, Austria. Details of the conference and our session (ST 4.3), as well as others, can be found here: http://meetingorganizer.copernicus.org/EGU2018/session/27199

Session Abstract:

Severe space weather events can significantly impact human technology on the ground and in near-Earth space. Huge eruptions of plasma and magnetic field, known as coronal mass ejections (CMEs), often co-occur with solar flares and can cause problems for a wide variety of industries, such as satellites, radio communications and electricity networks. Solar flares and CMEs also accelerate solar energetic particles (SEPs), which in turn can harm electronics and be a significant radiation hazard to humans outside of the protective shield of the atmosphere. There is significant interest from end users in government and industry to improve the current forecasting methods of these events to mitigate against such risks. Spacecraft observations can be used to forecast when a CME might erupt, track the CME through the heliosphere, to predict the solar wind from another location in space, or to directly probe the different structures and their properties via in situ measurements. Alternatively, models can be developed to simulate solar magnetic fields, to predict where a CME might pass through the heliosphere, and to model its shape and its influence on the magnetosphere. We invite abstracts on both observations and modelling of space weather hazards, including CMEs, the solar wind, co-rotating interaction regions, solar flares, and SEPs.

Best regards,
Miho Janvier, Sophie Murray, Rui Pinto, and Simon Thomas.… continue to the full article

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Ground effects of severe space weather events

Royal Astronomical Society specialist discussion meeting

Date: March 9th 2018

Time: 10:30 – 15:30 GMT

Location: The Royal Astronomical Society, Burlington House, LONDON, W1J 0BQ

As a society, we are reliant on continuously available electricity supplies and technologies such as satellite communications in order to function safely and efficiently. However, this dependence increases our exposure to impacts from so-called severe space weather events. Space weather is usually defined as the response of Earth’s magnetosphere and ionosphere to sudden rapid changes in the properties of the solar wind such as increases in speed, density and magnetic field strength.

These changes in the magnetosphere and ionosphere cause the magnetic field at the Earth’s surface to vary rapidly giving rise to geomagnetically induced currents (GICs) which can flow through conductive grounded equipment, such as high-voltage transformers, affecting the reliability of electricity supplies. As well as the impact on electricity grids, space weather events also have significant effects on HF radio propagation and GPS signals affecting the safe operation of aircraft and transport systems. Other unwanted effects are corrosion in pipelines and the potential for signalling or other faults to develop in rail networks.

This specialist discussion meeting will discuss the latest research on understanding and ameliorating these impacts in light of recent developments in the field. We invite contributions from academic and industry researchers, and relevant end users who are impacted by space weather events, with particular emphasis on research relevant to the UK.

Registration and abstract submission for the meeting is through the web-form below. The abstract deadline is 16th February 2018.

Please register and submit abstracts at the following link: https://tinyurl.com/RAS-GESSW

Meeting Fee: £15, £5 for students, free for RAS fellows, payable on arrival.

Organisers:
Ciaran Beggan (ciar@bgs.ac.uk)
Jim Wild (j.wild@lancaster.ac.uk)
Mark Gibbs (mark.gibbs@metoffice.gov.uk)… continue to the full article

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Dear Colleagues,

You are cordially invited to a cross-disciplinary session “Cool Material in the Hot Solar Corona (Prominences & Coronal Rain) and Non-solar Analogs” at the 42nd COSPAR Scientific Assembly, hosted by Caltech/JPL in beautiful Pasadena, California, USA, 14-22 July, 2018. This session brings together the solar, astrophysical, space and laboratory plasma physics communities to explore these fascinating phenomena, with the celebration of the 60th anniversary of COSPAR’s creation (http://cospar2018.org). We have an excellent group of invited speakers and welcome interdisciplinary contributions from all the aforementioned disciplines. Please find below more details:

Session ID:
D2.2/E3.2, “Cool Material in the Hot Solar Corona (Prominences & Coronal Rain) and Non-solar Analogs”
(https://www.cospar-assembly.org/admin/sessioninfo.php?session=714)

Duration: Two half-day sessions

Important dates (https://www.cospar-assembly.org/)
Feb 09, 2018 at 23:59 CET, Abstract (and financial support) deadline:
Apr 27, 2018: Early registration fee deadline

Description:
The solar corona is hot and tenuous. Yet, it hosts a variety of mysteriously cool and dense plasmas in two distinct forms – prominences and coronal rain. What they have in common is catastrophic radiative cooling of hot coronal plasma in thermal non-equilibrium states, forming the return flow of the chromosphere-corona mass cycle, which provides critical clues to the fundamental problem of coronal heating. What distinguishes them is the magnetic field that delineates these phenomena, e.g., twisted non-potential fields trapping prominences vs. simple loops draining coronal rain. Such cool material is not always quiescent as one might expect and can be associated with violent eruptions: some prominences form the cores of coronal mass ejections (CMEs) that produce space-weather disturbances, while some coronal rain occurs as the aftermath of solar flares due to the high density driven by intense heating and evaporation of the chromosphere. We invite contributions on a broad range of topics in three categories: (1) observational or modeling investigations of prominences and coronal rain, including their formation and dynamic evolution, magnetic and plasma environments, roles in the coronal circulation of mass and energy, relevant physical processes such as ion-neutral coupling and magnetic reconnection in partially ionized plasmas, diagnostic applications (e.g., coronal seismology), and space-weather consequences and predictive potential; (2) current or future observing capabilities and instrumentation (e.g., ALMA, DKIST) pertinent to addressing outstanding questions on these phenomena; (3) cross-disciplinary topics concerning physically similar processes or phenomena in laboratory plasmas, planetary magnetospheres, stellar atmospheres, or elsewhere in the universe, such as various plasma instabilities (e.g., Rayleigh-Taylor, Kelvin-Helmholtz) and thermal instability in molecular clouds and cluster of galaxies.

Invited Speakers:
Magnus Haw (Caltech, USA; lab plasma), Takafumi Kaneko (Nagoya Univ., Japan), Judy Karpen (NASA/GSFC, USA), Sara Martin (Helio Research, USA), Tom Schad (NSO, USA), Prateek Sharma (Indian Institute of Science, India; astrophysical), Jaume Terradas (Universitat de les Illes Balears, Spain), Erwin Verwichte (Univ. Warwick, UK)

Scientific Organizers:
Wei Liu (LMSAL/BAERI, USA), Patrick Antolin (St Andrews, UK)

Scientific Organizing Committee:
Paul Bellan (Caltech, USA), Thomas Berger (NOAA, USA), P. F. Chen (Nanjing Univ., China), Oddbjorn Engvold (Univ. of Oslo, Norway), Holly Gilbert (NASA/GSFC, USA), Olga Panasenco (Advanced Heliophysics, USA), Jean-Claude Vial (Institut d’astrophysique Spatiale, France)… continue to the full article

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“Theory and Simulation of Solar System Plasmas – particle acceleration and plasma heating”
Session ST1.3 at EGU General Assembly, Vienna, Austria, April 8 -13 2018

REGISTRATION DEADLINE JANUARY 10th 2018

We invite all working on theory and simulations of particle acceleration and plasma heating in solar system plasmas to submit abstracts:
https://meetingorganizer.copernicus.org/EGU2018/sessionprogramme

The session will showcase the latest results from theoretical investigations and numerical simulations in space plasma-physics from microscopic to global scales, in comparison with experiments and observations in the heliosphere: at the Sun, in the solar corona, in interplanetary space and in planetary magnetospheres.. Of particular interest is the role of suprathermal populations in dynamical processes in the heliosphere, such as shocks, magnetic reconnection, instabilities and dissipation. There are challenging questions in fundamental plasma physics which require the integration of kinetic plasma physics with fluid models.
We encourage presentations on theory and modelling which are directly relevant to current, forthcoming and proposed space missions, notably MMS, Parker Solar Probe, Solar Orbiter and THOR.

We are pleased to announce the session will include solicited talks by the following speakers:
Prof Lu Quanming
Prof Marco Velli
Prof Feng Xueshang

Session Organisers:
Philippa Browning, Joerg Buechner, Giovanni Lapenta and Shangbin Yang… continue to the full article

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2018 Sun-Climate Symposium:
“The State of the TSI and SSI Climate Records at the Junction of the SORCE and TSIS Missions”
March 19-23, 2018 * Lake Arrowhead, California

* Abstracts Due: Jan. 5, 2018 *

Observations of the Sun and Earth from space have revolutionized our view and understanding of how solar variability and other natural and anthropogenic forcings impact Earth’s atmosphere and climate. Since 1978 – more than three solar cycles – the total and spectral solar irradiance (TSI and SSI) and global terrestrial atmosphere and surface have been observed continuously, providing unprecedented quality data for Sun-climate studies. The 2018 Symposium will convene experts from across the solar-terrestrial community and from various disciplines that include Sun-climate connections, atmospheric physics and chemistry, heliophysics, and metrology to discuss solar and climate observations and models during this crucial period near the end of the Solar Radiation and Climate Experiment (SORCE) and the start of the Total and Spectral Solar Irradiance Sensor (TSIS) Mission. The agenda consists of invited and contributed oral and poster presentations in six sessions.

Please submit your abstract via email to Vanessa.George@lasp.colorado.edu. For a detailed program and session description, abstract form, confirmed speaker listing, and logistical information visit our website: http://lasp.colorado.edu/home/sorce/news-events/meetings/2018-scs/.

We have many great speakers lined up already and we would love to have you join us!

Best regards,
2018 Sun-Climate Symposium Organizing Committee
(Odele Coddington, Jerry Harder, Charles Ichoku, Greg Kopp, Jae Lee, Peter Pilewskie, Doug Rabin, Erik Richard, Marty Snow, Tom Woods, Dong Wu)

http://lasp.colorado.edu/home/sorce/news-events/meetings/2018-scs/… continue to the full article

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Dear colleagues,

We invite abstract submissions to our session at EGU 2018 entitled: “Solar Eruptions and their Heliospheric Imprint”.

Details on the Session can be found at:
http://meetingorganizer.copernicus.org/EGU2018/session/27254

=======================================================
ST1.5/PS4.6
Solar Eruptions and their Heliospheric imprint (co-organized)

Convener: Erika Palmerio
Co-Conveners: David Barnes, Athanasios Papaioannou, Jingnan Guo, Neus Agueda, Luciano Rodriguez

Session Abstract:

The Sun dynamically modifies the conditions of the heliospheric
environment, with its pressure-driven solar wind (SW) outflow and solar eruptive events, such as solar flares (SFs) and Coronal mass ejections (CMEs), which are the major drivers of space weather effects at the Earth. The magnetic structure and plasma properties of CMEs, as well as their arrival times at L1, however, are hard to predict with reasonable accuracy. In recent decades, advanced instrumentation onboard many spacecraft has extended our ability to explore structures in the SW, such as interplanetary CMEs (ICMEs) and co-rotating interaction regions (CIRs), as well as solar energetic particles (SEPs) from multiple vantage points throughout the heliosphere. It is now also possible to measure and quantify the radiation environment on different planets and to observe Forbush decreases (FDs). The combination of remote sensing, in-situ and ground based observations has led to the development of models that couple solar eruptive events to their effects on a heliospheric scale. Missions including MESSENGER, Venus Express, STEREO, SOHO, Wind, ACE, MAVEN, Rosetta, Ulysses, INTEGRAL, GOES and ground based measurements from Earth (neutron monitors) and Mars (Mars Science Laboratory), coupled with the imminent launches of Solar Orbiter and Parker Solar Probe, as well as potential future missions at L1 and L5, mean it is an opportune time to showcase current developments dealing with such multi-point studies.

Accordingly, we invite abstracts addressing the following topics:
multi-point observations of SEPs with regards to their angular
distribution, as well as their injection, acceleration, propagation and
transport conditions; the latest observational and modeling efforts of the propagation and evolution of ICMEs in the heliosphere; and the use of such ICME properties for the identification of their effects on magnetospheres and on the ground, such as FDs. We welcome contributions on observations, modelling and theory of the SW, CMEs (ICMEs), CIRs, SFs, SEPs and FDs.

=======================================================

Abstracts can be submitted online at:
http://meetingorganizer.copernicus.org/EGU2018/session/27254

The abstract submission is currently open and will last up until 13:00 CET on January 10, 2018.

Kind regards,
Athanasios Papaioannou

On behalf of
Erika Palmerio, David Barnes, Jingnan Guo, Neus Agueda, Luciano Rodriguez

http://meetingorganizer.copernicus.org/EGU2018/session/27254… continue to the full article

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Dear colleagues,

We invite abstract submissions to our session on kinetic processes at the EGU 2018 meeting to be held 8-13th of April in Vienna, Austria.

Session ST2.2: Kinetic and non-thermal physics in the solar wind and terrestrial magnetosphere

Abstract:
Large-scale perturbations induced by solar plasma outflows propagate and decay in space plasmas and may trigger kinetic effects at small scales, which can explain their dissipation, particle acceleration, or the observed enhanced fluctuations and instabilities, turbulence and diverse non-linear effects. Small-scale kinetic modelling of plasma micro-states, e.g., particle distributions, may create valuable tools and real perspectives for decoding these processes. The proposed session invites contributions that respond to these challenges, aiming to provide realistic models and predictions, and overcome the existing theoretical, numerical and observational limitations. These reports should help in understanding the origin as well as the implications of non-thermal effects in the solar wind and terrestrial magnetosphere, and in particular the complex mechanisms involved in solar-terrestrial interactions.

Note that the deadline for abstract submission is 13:00 CET on the 10th of January 2018. Abstracts can be submitted here:
https://meetingorganizer.copernicus.org/EGU2018/session/27248

Yours sincerely,
Yana Maneva, Marian Lazar, Viviane Pierrard and Yuriy Voitenko ​

https://meetingorganizer.copernicus.org/EGU2018/session/27248… continue to the full article

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