Event Start
Event Time
3:30 p.m.
Atlantic Building Room 2400 & Zoom

AOSC Seminar by Dr. Lesley Ott, 11/9/2023

AOSC Seminar

Dr. Lesley Ott

NASA Goddard



Coordinated observing and modeling in support of the newly established U.S. Greenhouse Gas Center – a brief overview of motivation, plans, and progress



Reliable, low latency delivery of high quality global greenhouse gas (GHG) flux and concentration information is a growing but still unmet need to advance expanding measurement, monitoring, reporting, and verification efforts that underpin federal climate mitigation strategies. To address this need, in 2023 the White House has outlined an ambitious Federal Strategy for GHG monitoring and formed an interagency U.S. GHG Center tasked with delivering trusted information to a variety of stakeholders. The seminar begins by outlining the first priorities of the GHG Center, which include better understanding of human emissions and natural sources and sinks and developing new observations that can characterize point source emissions, how the center is exploring new approaches to data delivery, workforce development, and stakeholder engagement. It then focuses on efforts to operationalize GHG monitoring products, beginning with a review on current observations and modeling capabilities within the U.S government. The conclusion presents the current status of our ability to deliver timely, consensus GHG products with an emphasis on priority areas of research.



Lesley Ott is a climate scientist with 20 years experience studying air pollution and greenhouse gases. She received her PhD in atmospheric science from the University of Maryland in 2006 and has been working at NASA’s Goddard Space Flight Center ever since. She currently leads the carbon group within the Global Modeling and Assimilation Office, NASA’s center for understanding contemporary weather and climate using a family of advanced Earth system modeling tools. Her work focuses on using a combination of satellite data and numerical models to better understand the sources and sinks of greenhouse gases and how the processes that control them may change over time. Since 2023, she has led Goddard’s science integration activities in support of the U.S. Greenhouse Gas Center.


Contact: Ken Pickering

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AOSC Seminar

Pre-seminar refreshment: N/A
Seminar: 3:30-4:30pm, Room: ATL 2400(only when in-person)
Meet-the-Speaker: 4:30-5:00pm, Room: ATL 3400(only when in-person) [For AOSC Students only]

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