James E. Broda was awarded the 2019 Edward A. Flinn III Award at the AGU Fall Meeting Honors Ceremony, held on 11 December 2019 in San Francisco, Calif. The award is given “for an individual or small group who personifies AGU’s motto of ‘unselfish cooperation in research’ through their facilitating, coordinating, and implementing activities.”
#AGU19: Celebrate the past, inspire the future.

Basu, Ismail-Zadeh, Leinen, Millar, and Wu Receive 2019 Ambassador Awards
Sunanda Basu, Alik Ismail-Zadeh, Margaret Leinen, Connie Millar, and Lixin Wu were awarded the 2019 Ambassador Award at the AGU Fall Meeting Honors Ceremony, held on 11 December 2019 in San Francisco, Calif. The award is for “outstanding contributions to one or more of the following areas: societal impact, service to the Earth and space community, scientific leadership, and promotion of talent/career pool.”
Jobbágy and Wysession Receive 2019 Spilhaus Ambassador Award Grants
Esteban Jobbágy and Michael Wysession were awarded the 2019 Spilhaus Ambassador Award Grant at the AGU Fall Meeting Honors Ceremony, held on 11 December 2019 in San Francisco, Calif. The grants support work from previous Ambassador Award recipients that address one or more of the following areas: societal impact, service to the Earth and space community, scientific leadership, and promotion of talent/career pool.
Antarctic Ice Cores Might Be Older Than Dirt
Using cosmogenic nuclide dating, scientists determined a 10-meter core just below the surface to be over a million years old.
Europe’s Rivers Are the Most Obstructed on Earth
By analyzing satellite imagery of rivers worldwide, researchers have pinpointed over 35,000 obstructions like dams and locks that affect an environment’s ecology, hydrology, and water resources management.
Kuljeet Kaur Marhas Receives 2019 Devendra Lal Memorial Medal
Kuljeet Kaur Marhas was awarded the 2019 Devendra Lal Memorial Medal at the AGU Fall Meeting Honors Ceremony, held on 11 December 2019 in San Francisco, Calif. The medal is for “outstanding Earth and/or space sciences research by a scientist belonging to and working in a developing country.”
King, Pearson, and Zhang Receive 2019 Joanne Simpson Medals for Mid-Career Scientists
Penelope L. King, Ann Pearson, and Fuqing Zhang were awarded the 2019 Joanne Simpson Medal at the AGU Fall Meeting Honors Ceremony, held on 11 December 2019 in San Francisco, Calif. The medal is for “significant contributions to Earth and space science by an outstanding mid-career scientist.”
Ulrich Christensen Receives 2019 Inge Lehmann Medal
Ulrich Christensen was awarded the 2019 Inge Lehmann Medal at the AGU Fall Meeting Honors Ceremony, held on 11 December 2019 in San Francisco, Calif. The medal is for “contributions to the understanding of the structure, composition, and dynamics of the Earth’s mantle and core.”
Eugenia Kalnay Receives 2019 Roger Revelle Medal
Eugenia Kalnay was awarded the 2019 Roger Revelle Medal at AGU’s Fall Meeting 2019 Honors Ceremony, held on 11 December 2019 in San Francisco, Calif. The medal is for “outstanding contributions in atmospheric sciences, atmosphere-ocean coupling, atmosphere-land coupling, biogeochemical cycles, climate or related aspects of the Earth system.”
Richard J. Walker Receives 2019 Harry H. Hess Medal
Richard J. Walker was awarded the 2019 Harry H. Hess Medal at AGU’s Fall Meeting 2019 Honors Ceremony, held on 11 December 2019 in San Francisco, Calif. The medal is for “outstanding achievements in research on the constitution and evolution of the Earth and other planets.”