AGU - American Geophysical Union

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AGU24 travel grant winners announced! Browse this year's winners

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AGU24 Meeting Schedule View Here

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Read the Ethical Framework Principles for Climate Intervention Research

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Back

About AGU
Career Development
Honors & Funding
Meetings & Events
Publications & News
Policy & Outreach

Who We Are

Programs & Initiatives

Advance your career and connect with peers

Find Your Community

Connect by science, interest and identity

AGU Net Zero Headquarters

Visit AGU’s award-winning HQ in D.C.

Leadership & Governance

Volunteers shaping AGU and the future of science

AGU Sections

Connect with colleagues in your discipline

Jobs at AGU

Join AGU’s team to advance science

Ethics, Diversity & Inclusive Science

Promoting an inclusive scientific culture

Membership Directory

Find members by section, region or expertise

AGU Resource Center

Explore AGU programs, insights and tools

Connect with the global AGU community.

Students

Student Programs

Launch your career with a supportive community

Leadership Opportunities

Sign up for leadership and volunteer updates

Awards & Funding

Apply for scholarships and fellowships

Educators

University & Faculty Programs

Network and share best practices in education

K-12

Explore Bright STaRS program and travel grants

Career Advancement

Career Guidance

Chart your course with expert advice

Opportunities by Career Stage

Programs and support for every career level

Professional Development

Tools and resources to boost your career

Fellowships & Cohort Programs

Build in-depth skills alongside peers

Join as a mentor or mentee for Mentoring365 LIVE

AGU Honors

Union Medals, Awards & Prizes

Recognizing top achievements in science

Union Fellows Program

Recognizing excellence in research

Section Awards & Lectures

Celebrating section-specific achievements

Student Awards

Rewarding scientific excellence in students

Science Policy & Communication Awards

Awarding excellence in science outreach

View past recipients

AGU Funding

Scholarships

Investing in science’s future leaders

Travel Grants

Support travel for AGU meetings

Research Grants

Funding new discoveries and breakthroughs

AGU Meetings

AGU Annual Meeting

Join AGU24 in Washington DC this December

Ocean Sciences

Join Ocean experts in Glasgow 2026

Chapmans

Specialized meetings for science insights

More Meetings

See what’s next on AGU’s calendar

AbSciCon

Uncover new insights in astrobiology

WaterSciCon

Innovations in hydrology

Exhibits and Sponsorship Opportunities

Elevate your visibility in the geosciences

Register for AGU24

Resources

Meetings & Event Calendar

Track key dates for AGU events

Book the AGU Conference Center

Host your event at AGU Headquarters

Webinars

Online sessions for science insights

Publications

Journals

Explore 24 high-impact, peer-reviewed journals

Authors

Resources and policies for authors

Books

Read and publish AGU textbooks and manuals

Editors

Resources and policies for editors

Special Collections

Premier collections highlighting key topics

Reviewers

Resources and policies for reviewers

Publish with AGU

Open Science

Open Access

Explore funding for open access publishing

Inclusive Publishing

Fostering diversity and transparency in publishing

ESS Open Archive

Search Earth and space science preprints

Data Leadership

Explore AGU data guidelines for researchers

Science News & Updates

Eos

AGU’s award-winning science news magazine

Stay in the Know

Sign up for AGU updates and news

Press Releases & Media Resources

Visit AGU's newsroom for science updates

Science Policy

Science Policy Programs

Get involved in AGU’s policy initiatives

Science Policy Resources

Tools to advocate effectively for science

Grassroots Action

Mobilize local voices for policy impact

Outreach

Science Communication

Develop skills to share your science

Community Science

Connect science to local community priorities

U.S. Government Outreach

Learn to navigate U.S. science policy

Global Outreach

Collaborate globally for sustainable solutions

AGU Thought Leadership

Open Science

Expanding participation and access to science

Climate & Sustainability

Science for a thriving, sustainable future

Ethical, Diverse & Just Science

Championing ethics and equity in science

Inclusive Collaboration

Fostering an inclusive science culture

AGU Members
Dave A. Williams

Member Since 1993

Dave A. Williams

Research Professor, Arizona State University

Member, Hess Medal Committee

Professional Experience

Arizona State University

Research Professor

2020 - Present

Education

University of Alabama

Doctorate

1998

Arizona State University

Masters

1992

Indiana University Bloomington

Bachelors

1989

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Publications

Observation of Io's Resurfacing via Plume Deposition Using Ground‐Based Adaptive Optics at Visible W...

Since volcanic activity was first discovered on Io from Voyager images in 1979, changes on Io's surface have been monitored from both spacecraft an...

June 04, 2024

A Post‐Launch Summary of the Science of NASA's Psyche Missio...

February 27, 2024

Visible to Near‐Infrared Reflectance Spectroscopy of Asteroi...

January 26, 2023

Observations, Meteorites, and Models: A Preflight Assessment...

March 25, 2020

Hypervelocity Impact Experiments in Iron-Nickel Ingots and I...

February 10, 2020

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AGU Abstracts

Erosion of Canali by Carbonatite Lavas: A Potential Major Source of CO₂ in Venus's Modern Atmosphere

AGU 2024

planetary sciences | 13 december 2024

Allyson Trussell, Joseph G. O'Rourke, Ian T. Flynn...

Volcanism linked to global resurfacing is proposed to have created Venuss present-day, CO2-dominated atmosphere. However, the total volume of volcanic...

The Hybridized and Collaborative Mission Control and Astronaut Model to Facilitate High-quality Field Education Through GeoSPACE

AGU 2024

education | 12 december 2024

Sean Thatcher, Anita M. Marshall, McKayla Meier, J...

Diversifying the geosciences requires us to dismantle the institutional barriers that prevent marginalized students from completing their degrees. Geo...

Juno Remaps Io

AGU 2024

planetary sciences | 12 december 2024

Paul Schenk, Candice J. Hansen, Michael A. Ravine,...

Juno's Extended mission permitted a series of encounters with Jupiter's volcanic moon Io in late 2023 and early 2024. Junocam acquired mapping quality...

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Volunteer Experience

2024 - 2025

Member

Hess Medal Committee

2022 - 2023

Member

Hess Medal Committee

2021 - 2021

Member

Fall Meeting Program Committee

View All Volunteer Experience

Check out all of Dave A. Williams’s AGU Research!

View All Research Now