SolarNews
The Electronic Newsletter of the
Solar Physics Division
American Astronomical Society
Volume 2018 Number 14
Aimee Norton, editor
15 July 2018



Solar Physics – Solicitation of Proposals for Topical Collections
John Leibacher
04 July 2018
The journal Solar Physics publishes one or two Topical Collections (TCs) per year dedicated to a focused topic, frequently with a small number of survey articles introducing regular unsolicited articles, all of which benefit from appearing in a collection together. Not infrequently, these stem from a monothematic conference or conferences, but all articles submitted for consideration for a TC are handled and refereed in the same way as regular research articles, and submissions not associated with the conference are solicited.

Recently completed TCs include Combined Radio and Space-based Solar Observations: From Techniques to New Results (Guest Editors: Eduard Kontar and Alexander Nindos) and Earth-affecting Solar Transients (Guest Editors: Jie Zhang, Xochitl Blanco-Cano, Nariaki Nitta, and Nandita Srivastava). Others on The Sunspot Number Recalibration and The Solar Wind at the Dawn of the Parker Solar Probe and Solar Orbiter Era are underway.

To aid in our planning, we solicit statements of interest from potential Guest Editors of Topical Collections by 17 August 2018.

John Leibacher (john.leibacher.sola@gmail.com), Cristina Mandrini, Lidia van Driel-Gesztelyi, and Michael Wheatland

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NASA Heliophysics Advisory Committee – Presentations and Report
Mike Liemohn
09 Jul 2018
Over the last year, NASA reformulated its advisory committee structure, making the division-level advisory groups no longer subcommittees to the Science Committe but rather full and formal advisory committees.  The Heliophysics Subcommittee therefore became the Heliophysics Advisory Committee (HPAC), operating under FACA rules. The meetings are open to the public and announced in the Federal Register. We would like to share with you the link to the HPAC website, all information about the committee can be found.

The HPAC website: science.nasa.gov/researchers/nac/science-advisory-committees/hpac

This includes the following: membership listing; meeting times, announcements, and minutes; PDFs of the presentations made to the committee; and the reports from the committee back to NASA HQ.

Our first meeting was in late 2017 and second meeting was in early April 2018; the documents from these meetings now online at the site above.  For the April meeting, note that there are two reports from HPAC back to NASA HQ, a letter with our findings and recommendations as well as our feedback on the “Research and Analysis Charge” issued by Dr. Zurbuchen, regarding high-impact/high-risk projects and interdisciplinary/interdivisional projects.


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Employment Opportunities

Kiepenheuer Institute for Solar Physics (Freiburg, Germany) – Mechatronics/Electrical Engineer
Bettina Schaefer
02 Jul 2018
Dear colleagues,

We would like to draw your attention to the following job offer for a three-year position as Mechatronics/Electrical Engineer at the Kiepenheuer Institute for Solar Physics:

This job advertisement has also been published on our website at www.leibniz-kis.de/de/institut/stellenangebote/einzelansicht/mechatronik-elektrotechnik-ingenieurin-bsc-msc/

Please transmit this information to people who may be interested.

Thank you very much and best regards,

Bettina Schäfer
Project Assistant

°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°
Kiepenheuer-Institut für Sonnenphysik
Schöneckstr. 6-7
D-79104 Freiburg
Tel.: +49-(0)761 / 3198-176
Fax.: +49-(0)761 / 3198-111
schaefer@leibniz-kis.de

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KULeuven – PostDoctoral Position with the H2020 Project AIDA
Giovanni Lapenta
02 Jul 2018
The Department of Mathematics of the KULeuven is looking for an expert in solar physics and/or machine learning at the postdoctoral level.

The researcher will have participate in a stimulating research environment within the Mathematics Department of KULeuven and within the network of team forming the Horizon 2002 project AIDA (www.aida-space.eu) funded by the European commission. Partners include: KU Leuven in Belgium; CWI in The Netherlands; University of Calabria, University of Pisa and CINECA in Italy; CNRS in France; IRIDA in Greece and Space Consulting in USA.

The researchers will be employed by KU Leuven, but collaborations with other teams within the project and more generally within the scientific and industrial community focusing on space science and artificial intelligence is highly encouraged.

AIDA aims at bringing the analysis of heliophysics data to a new level. We plan to develop a Python-based tool to retrieve and analyze data from a variety of missions, using the most modern techniques of statistical analysis, machine learning. The project also includes the use of observational data in the mathematical modeling of solar and magnetospheric processes on high performance supercomputers.

KULeuven is aspiring to become a leader in artificial intelligence (AI) as the very recent construction of the Genius supercomputer with a dedicated partition proves. KULeuven has also several groups leaders in AI and we will encourage interdisciplinary collaborations with computer scientist and engineers.

The work place is Leuven, a historic university town (our university is one of the oldest in Europe, founded in 1425) located just 20 minutes from the center of Brussels and 15 minutes from Brussels international airport, making it easily reachable for international travelers.

Leuven is an international city located in the Flemish (Dutch speaking) part of Belgium, where English is spoken routinely in all places (from University and public offices to shops and entertainment venues). The distance from Brussel and from other French speaking parts of the country is so small that it is perfectly possible to commute.

Our division, the Center for mathematical Plasma Astrophysics (CmPA, wis.kuleuven.be/CmPA), is a leading center in the study of space science. Our team is formed of four professors (plus one active emeritus) and about 40 experts, scientists, postdocs and students working on different aspects of simulation and data analysis applied to solar and space science, astrophysics and other plasma processes (nuclear fusion energy, industrial, space propulsion). www.aida-space.eu

Profile – Responsibilities

At least one, preferably more, of the following items should be very familiar to the selected candidate:

Context on the AIDA project

AIDA brings a transformational innovation to the analysis of heliophysics data in four steps.

First, AIDA will develop a new open source software called AIDApp written in Python (a free language) and capable of collecting, combining and correlating data from different space missions. AIDApp wants to replace mission-specific tools written for costly languages (such as IDL) that exclude many scientists, students and amateur space enthusiasts from exploring the data, with a much-needed single platform where methods are shared and continuously improved by the whole community.

Second, AIDA will introduce modern data assimilation, statistical methods and machine learning (ML) to heliophysics data processing. Unlike traditional methods based on human expertise, these methods rely on statistics and information theory to extract features that are hidden in the data.

Third, AIDA will combine real data from space missions with synthetic data from simulations developing a virtual satellite component for AIDApp. This feature will be demonstrated in the comparison with existing mission data and in the planning of new missions.

Fourth, AIDA will deploy in AIDApp methods of Artificial Intelligence (AI) to analyse data flows from heliophysics missions. This task requires bridging together competences in computer science and in heliophysics and pushes well beyond the current state of the art in space data analysis, connecting space researchers with AI, one of the fastest growing trends in modern science and industrial development. AIDA will use the new AIDApp in selecting key heliophysics problems to produce a database (AIDAdb) of new high-level data products that include catalogs of features and events detected by ML and AI algorithms. Moreover, many of the AI methods developed in AIDA will themselves represent higher-level data products, for instance in the form of trained neural networks that can be stored and reused as a database of coefficients.

These tasks will be the collective responsibility of the whole consortium and certainly not of any single person. The selected candidate will work on aspects of the project best suited to her or his abilities and interests. Research freedom will be highly valued, under the guidance of the need to reach some projects goals. Reaching the goals is a task that can be done in many ways and research is finding out how to reach them. The candidate will be supported by a team of experts at KULeuven including both senior and junior research experts. The plan is to have a stimulating collaborative environment that puts all in the position to do best what the research they like the most.

Offer

For more information of the conditions of employment of a PostDoc at KULeuven, please go to: www.kuleuven.be/english/research/postdoc

Interested?
For more information please contact Prof. dr. ir. Giovanni Lapenta or Dr. Jorge Amaya, by email to: coordinator.aida@kuleuven.be

You can apply for this job no later than August 31, 2018 via the online application tool: www.kuleuven.be/personeel/jobsite/jobs/54649709?hl=en&lang=en

KU Leuven seeks to foster an environment where all talents can flourish, regardless of gender, age, cultural background, nationality or impairments. If you have any questions relating to accessibility or support, please contact us at diversiteit.HR@kuleuven.be.


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Kyung Hee University (Yongin, South Korea), School of Space Research – Postdoctoral Research Associates
Yong-Jae MOON
03 Jul 2018
Postdoctoral Research Associates
School of Space Research, Kyung Hee University, Yongin, South Korea

The Kyung Hee University invites applications for postdoctoral positions in Solar Physics. We expect to offer one or two positions (first one year and then renewable for one or two more years contingent on performance and funding). The preferred starting date is September 1, 2018 but a later starting date can be negotiated. Fellows are expected to carry out original research in Solar Physics and Space Weather under the general supervision of Prof. Yong-Jae Moon whose interests are solar activities (CMEs and flares) and their associated space weather forecasts (deep neural network or physics-based).

Application consisting of a C.V., a list of publications, a description of research interests and plan (within three pages), and two letters of recommendation by those familiar with candidate’s work should be sent to harim@khu.ac.kr by July 17, 2017. Review of the applications will begin July 18, 2018, and continue until the position is filled.

Salary will around 34,000,000 KRW (≈30,000 USD) depending on the candidate’s experience. The health insurance and pension will be partially supported. Funds will be available for travel and other research expenses. Candidates must have a Ph.D. in Astronomy or Space Science by the time of employment.
Founded in 1949, Kyung Hee University is a well-established, but vibrantly growing educational and research institution ranked among the top eight comprehensive universities of Korea. The Department of Astronomy and Space Science, inaugurated in 1985, is located in Yongin (approximately 30 km south of Seoul), and currently has 19 professors, 15 postdoctoral researchers, and more than 60 graduate students. The information on the faculty members is available at ssrbkplus.khu.ac.kr/en/


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University of Sydney – Postdoctoral Research Associate in Modelling Magnetic Fields in Solar Flares
Michael Wheatland
13 Jul 2018
We are seeking to appoint a Postdoctoral Research Associate for projects focused on modelling magnetic fields in solar flares.  This will involve data analysis and computation to construct numerical models for the solar coronal magnetic field before and after solar flares, based on solar data. Essential criteria include a PhD in physics or equivalent in a relevant field, excellent computational skills including the ability to write codes, in Fortran and other languages, skills in data analysis and visualization of data, and proven research ability.

For further information, please consult bit.ly/2Jl1xeT or contact Michael Wheatland at michael.wheatland@sydney.edu.au


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Instituto de Astrofísica de Canarias (IAC, Tenerife, Spain) – Post Doctoral Contract ERC Advanced Grant POLMAG
Javier Trujillo Bueno
13 Jul 2018
The Instituto de Astrofisica de Canarias (IAC, Tenerife, Spain) invites applications for one post-doctoral contract funded by the European Research Council (ERC) Advanced Grant “Polarized Radiation Diagnostics for Exploring the Magnetism of the Outer Solar Atmosphere” (POLMAG; www.iac.es/proyecto/polmag/).

The selected candidate will carry out research on the following topics:

The duration of the contract will be for a period of 3 years, subject to annual revisions. Depending on the progress of the investigations, the contract may be extended up to December 31, 2022.

The contract includes all the travel expenses needed for the successful development of the project (meetings, workshops, observations, collaborations, etc.).

The deadline for receiving applications is August 31, 2018.

For more information and instructions on how to apply, please visit www.iac.es/info.php?op1=26&id=742


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Meeting Announcements

Towards Future Research on Space Weather Drivers Workshop (San Juan, Argentina: 2–7 July 2019) – First Announcement
Hebe Cremades
12 Jul 2018
Workshop FReSWeD 2019
Towards Future Research on Space Weather Drivers
July 2 – 7, 2019
San Juan, Argentina

Understanding and being able to forecast space weather is an increasingly important aspect of our modern technology-reliant society. This Workshop will promote the exchange of information in the area of space weather, from the point of view of the phenomena that drive it from its origin in the solar atmosphere, through its evolution in the interplanetary medium, to its arrival in geospace. Advanced understanding on space weather drivers is essential to improve predictability of the solar-terrestrial coupling.

Among the specific subjects that will be covered are:

The Workshop will include invited and contributed talks, posters, as well as joint discussions. The Workshop will be accompanied by a school with a mix of introductory tutorials, demos and hands-on labs.  These activities are geared towards students and young researchers who seek to gain a broad overview of space weather domains, concepts and tools/resources.

This space weather Workshop and its associated school are being organized on the occasion of the total solar eclipse of 2019, whose totality path will cross five provinces of Argentina extending for more than 1200 km.

Further information can be found at: www.iafe.uba.ar/freswed2019

If you are interested in attending and would like to be on a pre-registration email list, please fill in the pre-registration form on our website above.

Hebe Cremades,  Cristina Mandrini, and Carlos Francile,
On behalf of FReSWeD SOC and LOC


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Metcalf Travel Awards to SDO 2018: Catalyzing Solar Connections – Reminder to Apply
William D. Pesnell
12 Jul 2018
We are pleased to solicit applications for a Thomas Metcalf Travel Award to support the participation of two early career scientists in the upcoming 2018 SDO Science Workshop: Catalyzing Solar Connections. This meeting will take place October 29-November 2, 2018, in Ghent, Belgium.

Further information about the meeting can be found at register-as.oma.be/sdo2018/

To be eligible, applicants must be members of the Solar Physics Division (spd.aas.org), and be within 4 years post-PhD or no more than 1 year pre-PhD at the time of the meeting.

The criteria for selection will be scientific excellence, potential for future contribution to the field of solar physics, and relevance of the applicants work to the symposium topic.

We anticipate funding multiple Metcalf Lecturers via grants for travel and local expenses, along with a registration waiver. The successful candidates will give invited talks and be profiled in the meeting program and introduced as Metcalf Lecturers. After the meeting, the lecturers must provide the SPD Metcalf committee with a one-page summary of their work suitable for public distribution on the Metcalf Award web site (spd.aas.org/prizes/metcalf).

Please send applications consisting of a cover letter, abstract for a talk, a short CV, and name and email address of one reference whom we may contact. Please send these materials to william dot d dot pesnell at nasa dot gov, no later than August 3, 2018.


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AGU 2018 Fall Meeting – Session NG003: Cross-disciplinary Progress in Nonlinear Geophysics: Traditional Approaches, Machine Learning, and Beyond
Sarah Gibson
01 Jul 2018
We invite contributions to a cross-disciplinary session on nonlinear geophysics at the upcoming Fall 2018 AGU.

Significant progress in nonlinear geophysics, nonlinear dynamics and non-equilibrium statistical mechanics supports an understanding of our planet, the Sun, and the solar system. We invite submissions in geophysics where nonlinear processes are key to more realistic models of nature. In addition to highlighting core areas in processes including fluid and plasma turbulence, there is a small but growing use of machine learning to understand these processes. We invite researchers from atmospheric, oceanic, deep earth, solar and planetary geophysics and space physics areas, as well as informatics, to join for a session to share approaches and techniques that may apply across disciplines. This session is jointly sponsored by AGU Nonlinear Geophysics (NG) and APS Topical Group on Statistical and Nonlinear Physics (GSNP).

On behalf of the session conveners: Daniel Lathrop, Annick Pouquet, and Sarah Gibson


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AGU 2018 Fall Meeting – Session SH001: Breakthrough Observations of the Sun on Suborbital-Class Platforms
Amy Winebarger
12 Jul 2018
Abstracts are invited to the session, “Breakthrough Observations of the Sun on Suborbital-Class Platforms” at the AGU Fall Meeting, Washington D.C.,  10 – 14 December 2018.  The deadline for submissions is Wednesday, 1 August 23:59 EDT.

Suborbital platforms (sounding rockets, balloons, airplane flights) and suborbital-class CubeSats are used to develop, mature, and test new technologies capable of breakthrough science at a low cost.  A goal of these programs is also to train students and to develop new instrument scientists and leaders.  The dissemination of results from suborbital-class missions is often delayed due to limited budgets/resources and due to the large effort needed to thoroughly understand the groundbreaking instruments and the novel data.  In this session, we provide a platform for scientists to present analyses and results of recent suborbital-class experiments investigating the Sun, including work in progress as well as finished results.  In the spirit of the suborbital program, we will invite younger team members to give invited talks.

Conveners: Amy Winebarger and Lindsay Glesener


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AGU 2018 Fall Meeting – Session SH004: Empirical and Physics-Based Approaches for Predicting Solar Wind Speed, REMINDER
Bala Poduval
09 Jul 2018
Abstract submissions deadline:  Wednesday, 1 August 23:59 EDT. Please note that AGU will not accept any late abstracts.

Session ID#: 50545

Session Description:

State-of-the-art space weather prediction relies on empirical tools like the Wang/Sheeley (WS) relationship between the coronal magnetic flux expansion and observed solar wind speed, and on additional parameters such as the angular distance of the inferred footpoint to the nearest coronal hole.  There are also physics-based models that attempt to explain the connections between coronal magnetic topology and solar-wind acceleration.  However, there is still much unknown about why these relationships sometimes fail (e.g., for pseudostreamers).

This session focuses on a reevaluation of successes and failures of existing methods of solar wind-speed prediction.  We welcome contributions addressing issues discussed above, and questions such as:  Is the WS relationship causal?  Are there other observables that outperform existing empirical tools?  What role does magnetic topology play in determining wind speed from regions of non-steady field (e.g., coronal-hole boundaries)? Contributions presenting new observational data, or new results from theory/simulations, are particularly welcome.

Conveners: Bala Poduval, Steve Cranmer and Nick Arge


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AGU 2018 Fall Meeting – Session SH008: High-Energy Solar Investigations Through Next-Generation Spectroscopy: X-rays, Gamma-rays, and EUV
Amir Caspi
12 Jul 2018
You are cordially invited to submit abstracts to Session SH008 “High-Energy Solar Investigations Through Next-Generation Spectroscopy: X-rays, Gamma-rays, and EUV,” for the 2018 AGU Fall Meeting, to be held in Washington, DC, 10 – 14 December 2018.

Spectrally resolved measurements in X-rays, gamma-rays, and EUV are critical for advancing our understanding of energetic phenomena on the Sun, during both flares and quiescence.  To that end, this session invites presentations covering new instrumentation, enabling technology, missions, and mission concepts for next-generation X-ray, gamma-ray, and EUV solar spectroscopy, including spatially-resolved measurements, and the science that would be enabled by such new observations.

The full session description and abstract submission are here: agu.confex.com/agu/fm18/prelim.cgi/Session/52561

The deadline to submit an abstract is Wednesday, 1 Aug 2018, at 23:59 EDT.

We welcome your submissions to this exciting session!

Amir Caspi, Lindsay Glesener, and Amy Winebarger


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AGU 2018 Fall Meeting – Session SH011: Magnetic Fields in the Solar Corona: Observations and Modelling
Shaela Jones
02 Jul 2018
Please consider submitting your abstract to the following session at this fall’s AGU Meeting in Washington, D.C.

Session Title: Magnetic Fields in the Solar Corona: Observations and Modelling

Session ID: 52784

Conveners: Shaela I. Jones, Nishu Karna, and Derek A. Lamb

Session Description:
The coronal magnetic field is the source of many of the fascinating phenomena studied in heliophysics, but its high temperature, low density, the large range of spatial scales of interest, and its highly dynamic nature make it quite difficult to measure.  This paucity of measurements makes it difficult to evaluate the accuracy of coronal models.  Efforts to measure, model, and predict the coronal magnetic field will be critical to understanding the evolution of plasma in the inner heliosphere in the era of the Parker Solar Probe and Solar Orbiter.  We invite submissions that describe recent efforts to characterize the coronal magnetic field through either models or observation, with a particular interest in works that use one to enhance or understand the other.  We also invite submissions that describe the additional data and/or projects needed to advance this topic.


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AGU 2018 Fall Meeting – Session SH012: New Approaches for Studying the Middle Solar Corona
Dan Seaton
14 Jul 2018
We enthusiastically invite the community to submit abstracts to AGU session SH012, “New Approaches to Studying the Middle Solar Corona”.

Session ID: 53165

Session Description:
In this session we assess the latest advances in instrumentation for observing from the solar surface to the so-called middle corona – the region of the corona out to heights of about 5 solar radii – and problems in coronal physics that could be addressed using observations of this region. In particular, we focus on current and future instrumentation that could address the question of the properties of extended EUV observations or their relationship with white light observations and structures extending into the heliosphere. We seek talks discussing what can be learnt from these observations and how they influence our understanding of structures transiting this region, including streamers, pseudo-streamers and more dynamic structures such as eruptions and flows, whose characteristics (expansion, speed, etc.) are largely dictated by this region. We also encourage presentations of new techniques to access the data,┬áincluding image processing techniques and new data analysis tools.

Find complete information about the session here: agu.confex.com/agu/fm18/prelim.cgi/Session/53165

Conveners: Dan Seaton, James Mason, Matthew West, and Neal Hurlburt


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AGU 2018 Fall Meeting – Session SH017: Particle Acceleration and Transport at the Sun and in the Inner Heliosphere
Linghua Wang
01 Jul 2018
We cordially invite you to submit an abstract to session SH017 “Particle Acceleration and Transport at the Sun and in the Inner Heliosphere” at the 2018 AGU Fall Meeting. The AGU abstract submission is open until August 1st, 2018 23:59 EDT.

Session Description:
An important topic of solar and heliospheric physics is to understand the acceleration and transport of nonthermal particles.  Such studies in the inner heliosphere encompasses a variety of processes leading to the formation of solar wind suprathermal particles, solar energetic particles, energetic particles from Corotating Interaction Regions, etc. However, many details of the acceleration and transport process of these energetic particles still remain unknown. Particle acceleration processes include magnetic reconnection, wave-particle interactions, collisionless shock waves, etc., and particle transport processes include adiabatic cooling, parallel and perpendicular diffusion, random walk of magnetic field lines, etc.

This session invites contributions that discuss space-borne and ground-based observations, and theory/modeling of the processes pertaining to particle acceleration and transport at the Sun and in the inner heliosphere.

Conveners:
Linghua Wang, Gang Li, Richard Mewaldt, and R F Wimmer-Schweingruber


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AGU 2018 Fall Meeting – Session SH020: Plasma Energization, Particle Acceleration, and High-energy Emission in Solar Flares
Fan Guo
02 Jul 2018
We are pleased to invite relevant submissions to the session on plasma energization, particle acceleration and high-energy emissions in solar flares. All theories, numerical simulations, and observations are welcome and will be discussed in the session.

Conveners: Fan Guo, Xiangliang Kong, Elena Provornikova, Hugh Hudson

Solar flares are magnetic-field dominated systems associated with explosive magnetic energy release, particle acceleration, and high-energy emission. They are important sources of energetic electrons, protons, and minor ions observed in interplanetary space and may actively contribute to large solar energetic particle events. However, the question of how high-energy particles are energized, transport, and generate high-energy emission remain controversial and poorly understood. Modern ground based and spaceborne multiwavelength observations (radio, microwaves, EUV, soft and hard X-rays, and gamma-rays) have provided many details and new opportunities for studying the high-energy particles and emissions in flares. Meanwhile, new progresses from analytical theories and numerical models have been made on magnetic reconnection, turbulence, collisionless shocks, and associated particle acceleration, revealing a rich set of physical processes. This session invites observation, theory and modeling presentations toward solving the long-standing and renewed problem.


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AGU 2018 Fall Meeting – Session SH022: Science of the Young Solar Wind: Where the Corona Becomes the Heliosphere
Nour E. Raouafi
11 Jul 2018
We encourage abstract submissions to the session SH022 (ID#: 45680) “Science of the Young Solar Wind: Where the Corona Becomes the Heliosphere” at the Fall AGU meeting to be held in Washington, DC 10 – 14 December, 2018. The session will bring together invited and contributed talks and posters on the science of the solar wind from the base of the solar corona to the heliosphere.

The deadline for abstract submissions is Wednesday, August 1st, 2018 23:59 EDT.

Abstracts can be submitted via: agu.confex.com/agu/fm18/prelim.cgi/Session/45680

Session Description:
The “missing link” of the Sun–Earth connection is the transition between the outer corona and the solar wind itself. Historically this critical part of the unified heliosphere has been difficult to measure either using solar-wind tools (direct sampling) or solar tools (remote imaging). As Parker Solar Probe prepares to dive into the corona, and imaging technology continues to develop, we are on the cusp of a unified, data-driven understanding of the corona and solar wind. This session focuses on current understanding of the large- and cross-scale processes that relate the solar corona and solar wind, and what investigations are needed to further understand them.

Conveners:
Craig DeForest, Barbara J. Thompson, Nour E. Raouafi


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AGU 2018 Fall Meeting – Session SH024: Solar Radiative Variability: from Minutes to Millenia
Martin Snow
13 Jul 2018
Dear Colleagues,

We would like to draw your attention to the following session at the Fall AGU.  Abstract deadline is August 1st.

agu.confex.com/agu/fm18/prelim.cgi/Session/48481

SH024: Solar Radiative Variability: from Minutes to Millennia.  The Sun’s Influence on the Earth’s Space Environment, Atmosphere, and Climate Variability of the incoming solar irradiance and its effects on the terrestrial environment and climate have received wide attention in recent years. There is a continuous effort to reduce measurement uncertainties of the total and spectral solar irradiances. Physical and empirical modelling have also made considerable progress in reconstructing accurate and reliable records. At the same time, models and observations have been extensively used to characterize the influence of solar irradiance variability on Earth’s atmosphere and climate. This session invites abstracts on measurements and models of solar spectral and total irradiance on all time scales – including the recently launched Total and Spectral Solar Irradiance Sensor (TSIS-1) – as well as abstracts on the response of the surface, atmosphere and the heliosphere to solar radiative forcing. Abstracts focused on comparisons of surface and atmospheric effects to different solar radiative forcing are particularly welcome.


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AGU 2018 Fall Meeting – Session SH026 3He-Rich Solar Energetic Particles
Radoslav Bucik
03 Jul 2018
We are pleased to announce the 2018 AGU Fall Meeting session on 3He-Rich Solar Energetic Particles (agu.confex.com/agu/fm18/prelim.cgi/Session/50575). The 2018 AGU Fall Meeting will be held on 10-14 December 2018 in Washington, D.C. The abstracts are due on 1 August, 23:59 EDT.

Solar-flare energetic ions, showing a 10,000-fold abundance enhancement of rare elements like 3He or ultra-heavy nuclei, have been puzzling for more than 50 years. An evidence about the peculiar composition has been gathered via in-situ measurements of 3He-rich solar energetic particles (SEPs) or remote observations of gamma-ray lines. 3He-rich SEPs are an important source of seed population for space-weather-hazardous large gradual SEP events. Source flares of 3He-rich SEPs have been associated with jets, indicating acceleration in magnetic reconnection on open field lines. For the first time, modelers are now able to include multi-ion species in simulations. An efficient 3He acceleration has been recently measured in fusion plasma experiments. New discoveries about these small-size events are expected from the upcoming missions to close distance of the Sun. This session invites contributions addressing acceleration and escape of energetic ions into interplanetary space via modelling and observations.

On behalf of the session conveners
Radoslav Bucik, Rahul Kumar, Siming Liu, George Ho


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AGU 2018 Fall Meeting – Session SH028: The Great American Solar Eclipse 2017: New Results and Follow-Up
Amir Caspi
12 Jul 2018
We cordially invite you to to submit abstracts to Session SH028 “The Great American Solar Eclipse 2017: New Results and Follow-Up,” for the 2018 AGU Fall Meeting, to be held in Washington, DC, 10 – 14 December 2018.

The total solar eclipse in 2017 was the best-observed eclipse in history, by citizens and scientists alike. The eclipse was a rare opportunity for incredible solar, terrestrial (ionospheric, atmospheric), and even planetary science, in many cases with citizen involvement. This session follows up on first results presented at last year’s AGU Fall Meeting highlighting experiments following the eclipse path, including new instrumentation, new platforms, and continent-spanning science enabled by citizen participation, with funding from NASA, NSF, industry, and individuals.

We invite ALL eclipse-related science presentations, including updated results following detailed analysis after last year’s session, and new results not yet presented, as well as outreach successes and lessons learned, with an eye towards breakthrough science for future eclipses, including in South America (2019, 2020) and the next U.S. eclipse in 2024.

The full session description and abstract submission are here:
agu.confex.com/agu/fm18/prelim.cgi/Session/51744

The deadline to submit an abstract is Wednesday, 1 Aug 2018, at 23:59 EDT.

We welcome your submissions to this unique and exciting session!

Amir Caspi, Ed DeLuca, and Trae Winter


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AGU Fall 2018 Meeting – Session SM017: Quantifying Uncertainty in Space Weather Modeling and Forecasting
Sophie Murray
12 Jul 2018
Dear Colleagues,

Abstract submission is open for the Fall AGU meeting. We’d like to bring to your attention a session cutting across the disciplines in Space Physics and Aeronomy, Session SM017 ‘Quantifying Uncertainty in Space Weather Modeling and Forecasting’. If this sounds relevant to you, please consider submitting an abstract to this session. The session description is below.

The AGU meeting will be held December 10 – 14 2018 in Washington DC.  Further details about the meeting can be found at fallmeeting.agu.org Abstract submissions are due before 23:59 Eastern Daylight Time on Wednesday, August 1st.

Regards,

Steve Morley (Los Alamos National Laboratory)
Gang Lu (National Center for Atmospheric Research)
Sophie Murray (Trinity College Dublin)

SM017: Quantifying Uncertainty in Space Weather Modeling and Forecasting

Dynamic solar outputs including flares, high-speed solar wind, and coronal mass ejections, drive responses in geospace that can have deleterious effects on technological systems. Further, upward propagation of atmospheric waves and tides produces natural variability in Earth’s ionosphere and thermosphere. Many types of models are used to forecast, nowcast, or hindcast, space weather relevant quantities, but the uncertainty of these predictions is often not quantified or reported. Simulations of varying complexity are key to our understanding of the physics that drives space weather, and any simulation or forecast has uncertainty which can arise from a number of sources. These sources include uncertainties in the initial condition, uncertainties in input data, and approximations made in the construction of the model. The goal of this session is to showcase new research in ensemble modeling, probabilistic forecasting, model sensitivity studies, and other approaches to improve uncertainty quantification in space weather modeling and forecasting.


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Aimee Norton
11 November 2016

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