State of the Planet

News from the Columbia Climate School

Catch Up on the Latest in Earth Science with AGU Sessions Live Online

Peter Kelemen in Oman

The American Geophysical Union’s Fall Meeting opens this morning in San Francisco, where for the next week, more than 20,000 scientists will be giving presentations, joining discussions and, perhaps most importantly, meeting with collaborators to develop new research ideas and form future research teams during the largest Earth and space sciences meeting in the world.

You don’t have to be in the room to catch up on the research being presented. Several sessions, including those listed by date and time below, will be live-streamed through AGU On-Demand. We also will be tweeting from @LamontEarth, using #AGU15, and posting on Facebook to share details and related links from presentations, posters and awards throughout the week.

The presentations during the meetings will include the work of more than 100 scientists from Columbia University’s Lamont-Doherty Earth Observatory. Among them, Park Williams will be discussing his latest research on the connections between rising temperatures and the California drought; the ROSETTA-Ice and IcePod team will be sharing findings from their just-completed mapping flights over Antarctica’s Ross Ice Shelf; and Robin Bell will be convening a session on the future of Antarctic and Southern Ocean research. Marine geologist Suzanne Carbotte also will be honored as a 2015 AGU Fellow.

You can watch the following sessions involving Lamont scientists live online at AGU On-Demand (all times are Pacific Standard Time):

Monday, Dec. 14

8 a.m. – 8:45 a.m. PST – Causes of the California Drought
Richard Seager, starting at 8 a.m., and Park Williams, starting at 8:30, present their latest research on the causes of the 2011-2015 California drought and the role of anthropogenic warming. Their paper earlier this year suggested that rising global temperatures had worsened the drought by as much as 27 percent.
AGU On-Demand Channel: Extreme Events and Hazards

8 a.m. – 10 a.m. PST – Ice Sheets and Sea Level Rise During Past Warm Periods
Alessio Rovere convenes a session with a series of presentations on research into historic sea level rise and ice sheet changes in the past and what those findings tell us about the future. Maureen Raymo is a co-author of a paper being discussed about how dynamic topography could have influenced the stability of the Antarctic Ice Sheet during the Mid-Pliocene Warm period.
AGU On-Demand Channel: Earth Discovery

2:55 p.m. – 3:10 p.m. PST – Strain on the Lesser Antilles Megathrust
Belle Philibosian, in a session on tectonic evolution and earthquake risks, will be presenting her work using coral microatolls to model the underlying strain accumulation on the Lesser Antilles megathrust. Her findings contrast with recent models suggesting that little or no strain has been accumulating along the subduction zone near the Caribbean island group that includes Dominica, St. Lucia and Martinique.
AGU On-Demand Channel: Extreme Events and Hazards

Tuesday, Dec. 15

1:40 p.m. – 3:40 p.m. PST – Future-Proofing 20th Century Science Records
Kerstin Lehnert convenes a two-hour session of presentations on data management as technology changes. She also is a coauthor of a paper being presented on preserving the science legacy of the Apollo missions to the moon.
AGU On-Demand Channel: Union

Wednesday, Dec. 16

1:40 p.m. – 3:40 p.m. PST – Extreme Weather and the Changing Polar Climate
Xiaojun Yuan convenes a session on extratropical and high-latitude storms, teleconnections, extreme weather, and the changing polar climate. Karen Smith is the coauthor of paper being presented on the impact Arctic amplification could have on weather and climate in the mid-latitudes of the Northern Hemisphere.
AGU On-Demand Channel: Climate

4 p.m. – 6 p.m. PST – The Impact of Fracking on Water Quality
Beizhan Yan, with coauthors Martin Stute, Steve Chillrud and James Ross, have been analyzing ions found in water samples near gas wells in Pennsylvania, possibly related to hydraulic fracturing. Starting at 4:45 p.m., Yan presents their latest results during a session exploring environmental impacts of hydraulic fracturing.
AGU On-Demand Channel: Natural Resources

Thursday, Dec. 17

2:40 p.m. – 2:55 p.m. PST – Friction in Subduction Zones
Hannah Rabinowitz, working with Heather Savage, discusses how carbonate-rich layers of sediment can impact the frictional behavior of subduction zones.
AGU On-Demand Channel: Extreme Events and Hazards

Learn more about the work underway at Lamont-Doherty Earth Observatory.

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