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

Who We Are

AGU Membership Value

Empower your future today!

Ethics, Diversity & Inclusive Science

Promoting an inclusive scientific culture

Membership Directory

Find members by section, region or expertise

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

College of Fellows

Distinguished Earth and space science leaders

Get a full year of AGU Member value. Renew your membership now!

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 Center

Find or post job listings; search career resources

Programs by Career Stage

Programs and support for every career level

Fellowships & Cohort Programs

Build in-depth skills alongside peers

AGU Circles

Get support and new perspectives with peer mentoring

AGU Grant Finder

Search thousands of funding opportunities

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 2026 honorees

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 AGU26 in San Francisco this December

Chapmans

Specialized meetings for science insights

Ocean Sciences

Thank you for joining us in Glasgow!

AbSciCon

Uncover new insights in astrobiology

Exhibits and Sponsorship Opportunities

Elevate your visibility in the geosciences

Check out what's new with AGU26!

Resources

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Track key dates for AGU events

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Host your event at AGU Headquarters

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Online sessions for science insights

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Explore 24 high-impact, peer-reviewed journals

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Read and publish AGU textbooks and manuals

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Publish with AGU

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Explore funding for open access publishing

Inclusive Publishing

Fostering diversity and transparency in publishing

ESS Open Archive

Search Earth and space science preprints

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Explore AGU data guidelines for researchers

Science News & Updates

Eos

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Stay in the Know

Sign up for AGU updates and news

Press Releases & Media Resources

Visit AGU's newsroom for science updates

From the Prow

Read the latest message from AGU leadership

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Get involved in AGU’s policy initiatives

Science Policy Resources

Tools to advocate effectively for science

Grassroots Action

Mobilize local voices for policy impact

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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

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AGU Members
Hugh J. Christian

HC

Member Since 2010

Hugh J. Christian Jr

Principal Research Scientist, University of Alabama in Huntsville

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Hugh's AGU Research

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Publications
Abstracts

The Source Brightness Distribution of Terrestrial Gamma‐Ray Flashes From the ALOFT Flight Campaign

JOURNAL OF GEOPHYSICAL RESEARCH: ATMOSPHERES

The Novel View of Gamma-Ray Active Thunderclouds from the ALOFT Flight Campaign

ATMOSPHERIC AND SPACE ELECTRICITY QUICK STRIKES ELIGHTNING

atmospheric and space electricity | 11 december 2024

Temporal Characteristics of Flickering Gamma-ray Flashes (FGFs) as Seen by iSTORM During the 2023 ALOFT Campaign

ENERGETIC RADIATION FROM LIGHTNING AND THUNDERSTORMS II POSTER

atmospheric and space electricity | 10 december 2024

Spectral analysis of Flickering Gamma Flashes observed during the ALOFT 2023 Campaign

ENERGETIC RADIATION FROM LIGHTNING AND THUNDERSTORMS II POSTER

atmospheric and space electricity | 10 december 2024

Broadband VHF Observations of ALOFT TGFs

ENERGETIC RADIATION FROM LIGHTNING AND THUNDERSTORMS I ORAL

atmospheric and space electricity | 10 december 2024

Temporal Morphology of Gamma-ray Glows from Thunderstorms Using iSTORM During the 2023 ALOFT Campaign

ENERGETIC RADIATION FROM LIGHTNING AND THUNDERSTORMS II POSTER

atmospheric and space electricity | 10 december 2024

Small Discharges at Thunderstorm Tops Imaged with VHF Interferometry

PHYSICS OF STREAMERS, LEADERS, AND THE LIGHTNING DISCHARGE II ORAL

atmospheric and space electricity | 10 december 2024

Evidence of a New Population of Weak Terrestrial Gamma‐Ray Flashes Observed From Aircraft Altitude

GEOPHYSICAL RESEARCH LETTERS

07 september 2024

Honors & Awards

Union Fellow

Received December 2020

Citation

For pioneering space-based lightning mapping instruments and advancing knowledge of atmospheric and space electricity

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Benjamin Franklin Lecture

Received December 2017