JpGU-AGU Joint Meeting 2020

Session information

[E] Oral

A (Atmospheric and Hydrospheric Sciences ) » A-CG Complex & General

[A-CG49] Greenhouse Gas Monitoring from Space: Current Capabilities, Challenges, and Future Needs

convener:kurosu thomas p(Jet Propulsion Laboratory, California Institute of Technology), Annmarie Eldering(Jet Propulsion Laboratory), Akihiko Kuze(Japan Aerospace Exploration Agency), Tsuneo Matsunaga(Center for Global Environmental Research and Satellite Observation Center, National Institute for Environmental Studies)

In a circulation letter of their Position Statement on Climate, the AGU writes

"Human-caused climate change is one of the most serious issues of our time. It will cause increasing health, economic, security, and ecological risks, from heat-related deaths and illnesses, hazards such as flooding, water scarcity, wildfire, and extreme weather and impacts to coastal infrastructure, agriculture, fisheries, and global migration."

With the constantly growing threat anthropogenically-induced climate change, global to local monitoring of atmospheric greenhouse gas (GHG) concentrations becomes increasingly important. Over the past decade, space-based GHG sensors have contributed substantially to our understanding of CO2 and CH4 emission sources and natural sinks on global and regional scales. Recent advances in these sensors have now extended these capabilities for studies of more compact sources, including large urban areas. NASAs OCO-3 on the ISS and Japans TANSO-FTS-2 on GOSAT-2 include target mapping modes that continue and extend the observation records of their precursors, and the Canadian commercial GHGSat provides high spatial resolution observations of CO2 and CH4 over selectable locations on the Earth. Sentinel 5P/TROPOMI measures CH4 with a wide swath instrument with daily near-global coverage. Future GHG observing systems are expected to further improve on the bridging of global and local scales, to provide optimized data records as basis for climate change mitigation policies.

We propose a session that focuses on the following aspects of space-based GHG monitoring: (1) capabilities of currently operating sensors measuring greenhouse gases on global to local scales, including OCO-2&3, TANSO-FTS/2, GHGsat, TROPOMI, and TANSAT; (2) identification and quantification of shortfalls in current data records, and requirements for future observation strategies; and (3) future observing systems and how these will address current gaps in GHG monitoring.

*thomas p kurosu1, Annmarie Eldering1, Ralph basilio1, matthew Bennett1, Christopher O'Dell2, Peter Somkuti2, Thomas Taylor2, Matthäus Kiel1, Robert Nelson1, Gary Spiers1, Brendan Fisher1, Ryan Pavlick1, Gregory Osterman1, Joshua Laughner3, Graziela Keller-Rodrigues1, Shanshan Yu1, David Crisp1, Paul Wennberg3 (1.NASA Jet Propulsion Laboratory/California Institute of Technology, Pasadena, CA 91109, 2.Colorado State University, Fort Collins, CO 80523, 3.California Institute of Technology, Pasadena, CA 91125)

*Matthäus Kiel1, Joshua Laughner2, Annmarie Eldering1, Brendan M. Fisher1, thomas p kurosu1, Ryan P. Pavlick1, Gregory B. Osterman1, Robert R. Nelson1, Christopher W. O'Dell3, Peter Somkuti3, Thomas E. Taylor3, Coleen M. Roehl2, TCCON Team (1.NASA Jet Propulsion Laboratory, 2.Division of Geological and Planetary Sciences, California Institute of Technology, Pasadena, CA (USA), 3.Colorado State University, Fort Collins, CO (USA))