AGU - American Geophysical Union

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

Connect with colleagues in your discipline

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.

Become a member

Enjoy members-only opportunities to further your science.

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Help AGU amplify our mission by donating today Give to AGU

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

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

Help review student presentations at AGU24!

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

Rewarding scientific excellence in students

Science Policy & Communication Awards

Awarding excellence in science outreach

View past recipients

AGU Funding

Investing in science’s future leaders

Support travel for AGU meetings

Research Grants

Funding new discoveries and breakthroughs

Start a submission.

Nominate yourself or a colleague for AGU Honors. Explore opportunities and past winners through the AGU Honors Explorer.

Discover

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

AGU Meetings

AGU Annual Meeting

Join AGU24 in Washington DC this December

Join Ocean experts in Glasgow 2026

Specialized meetings for science insights

See what’s next on AGU’s calendar

Uncover new insights in astrobiology

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

Online sessions for science insights

AGU24 Meeting Schedule View Here

Publications

Explore 24 high-impact, peer-reviewed journals

Resources and policies for authors

Read and publish AGU textbooks and manuals

Resources and policies for editors

Special Collections

Premier collections highlighting key topics

Resources and policies for reviewers

Publish with AGU

Open Science

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

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

Become an editor or reviewer with AGU Learn More

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

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

Read the Ethical Framework Principles for Climate Intervention Research

Get the report

Get the latest from AGU Science Policy straight to your inbox each month. Sign up for Science Policy Alerts

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

Fellow

Yi-gang Xu

Guangzhou Institute of Geochemistry, Chinese Academy of Sciences

Volcanology, Geochemistry, and Petrology

Citation

For breakthroughs and outstanding contributions in understanding the cratonic upper mantle, continental flood basalts, and mantle wedge processes

Field Photos

Yigang Xu Field Photo 1

Yigang Xu Field Photo 2

Yigang Xu Field Photo 3