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Problem Statement Repository: Atmospheric Methane Research

Atmospheric Oxidation

Atmospheric Methane Research problem statements are shared to build community and knowledge around key challenges to accelerate progress.

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Constraining the size distribution and chlorine production of ferric chloride aerosols for quantitative atmospheric methane removal


Submitted by

Mingyi Wang (The University of Chicago)

Awarded Spark grant

Evaluation of several unexplored atmospheric methane removal mechanisms


Submitted by

Maarten van Herpen (Acacia Impact Innovation BV)

High-resolution atmospheric chemistry modeling to maximize the effectiveness and minimize unintended consequences of atmospheric methane oxidation enhancement methods


Submitted by

Hannah Horowitz (University of Illinois Urbana-Champaign)

Marker species and aerosol formation from chlorine-initiated oxidation in the remote atmosphere


Submitted by

Jesse Kroll (Massachusetts Institute of Technology)

Awarded Spark grant

Ab initio calculation of kinetic isotope effects (KIE) for reaction of CH4 with ▪OH, ▪Cl, and O(1D)– towards improving the constraints for monitoring the atmospheric CH4 cycle


Submitted by

James Farquhar (University of Maryland)

Halogen-Driven Sinks Using a Novel Autonomous Low-Cost Solar Spectrometer Network


Submitted by

Joshua Paul (Butterfly Photonics, Inc.)

Analytical system for CO isotope analysis


Submitted by

Thomas Röckmann (Utrecht University)

Impacts of anthropogenic-driven changes in reactive chlorine on the methane lifetime and its isotopes


Submitted by

Becky Alexander (University of Washington)

Quantifying methane sources and sinks simultaneously


Submitted by

Xueying Yu (Stanford University)

Quantifying methane removal from CO isotope measurements at global scale


Submitted by

Thomas Röckmann (Utrecht University)

Constraining the response of the hydroxyl radical to changes in its drivers with machine learning and satellite proxy data


Submitted by

Daniel Anderson (University of Maryland Baltimore County)

Improved modeling of tropospheric OH to guide methane reduction strategies


Submitted by

Daniel Jacob (Harvard)

Methane loss rate sensitivity to emissions, climate change and variability, and key uncertainties


Submitted by

Arlene Fiore (Massachusetts Institute of Technology)

Awarded Spark grant

Influences on Atmospheric Hydroxyl Radicals


Submitted by

Spark

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