Riley Duren

Collaborator

Carbon Mapper
Google Scholar

Riley Duren is Chief Executive Officer of Carbon Mapper, a non-profit organization focused on delivering precise and transparent methane and carbon dioxide data to guide emissions mitigation action. Since 2010 he has led research efforts to develop and test multi-scale monitoring systems that support quantification and mitigation of greenhouse gas emissions including serving as principal investigator for multiple projects funded by NASA, NIST and California agencies.

Education

  • BS in Electrical Engineering | Auburn University | 1991

Professional Experience

  • 2020 – present Chief Executive Officer, Carbon Mapper
  • 2019 – present Research Scientist, University of Arizona
  • 2017 – 2023 Engineering Fellow, JPL
  • 2008 – 2019 Chief Systems Engineer, Earth Science Directorate, JPL
  • 2002 – 2009 Chief Engineer, Kepler mission, JPL
  • 2000 – 2002 Instrument System Engineer, Starlight mission, JPL
  • 1996 – 2000 Metrology System Engineer, Shuttle Radar Topography Mission, JPL
  • 1988 – 1995 Payload Integration Engineer, NASA Kennedy Space Center

References

Ayasse, Alana K., Daniel Cusworth, Kelly O’Neill, Justin Fisk, Andrew K. Thorpe, and Riley Duren. 2023. “Performance and Sensitivity of Column-Wise and Pixel-Wise Methane Retrievals for Imaging Spectrometers.” ATMOSPHERIC MEASUREMENT TECHNIQUES 16 (24): 6065–74. https://doi.org/10.5194/amt-16-6065-2023.
Ayasse, Alana K., Philip E. Dennison, Markus Foote, Andrew K. Thorpe, Sarang Joshi, Robert O. Green, Riley M. Duren, David R. Thompson, and Dar A. Roberts. 2019. “Methane Mapping with Future Satellite Imaging Spectrometers.” REMOTE SENSING 11 (24). https://doi.org/10.3390/rs11243054.
Ayasse, Alana K., Andrew K. Thorpe, Daniel H. Cusworth, Eric A. Kort, Alan Gorchov Negron, Joseph Heckler, Gregory Asner, and Riley M. Duren. 2022. “Methane Remote Sensing and Emission Quantification of Offshore Shallow Water Oil and Gas Platforms in the Gulf of Mexico.” ENVIRONMENTAL RESEARCH LETTERS 17 (8). https://doi.org/10.1088/1748-9326/ac8566.
Bloom, A. Anthony, Thomas Lauvaux, John Worden, Vineet Yadav, Riley Duren, Stanley P. Sander, and David S. Schimel. 2016. “What Are the Greenhouse Gas Observing System Requirements for Reducing Fundamental Biogeochemical Process Uncertainty? Amazon Wetland CH<sub>4</Sub> Emissions as a Case Study.” ATMOSPHERIC CHEMISTRY AND PHYSICS 16 (23): 15199–218. https://doi.org/10.5194/acp-16-15199-2016.
Borchardt, Jakob, Konstantin Gerilowski, Sven Krautwurst, Heinrich Bovensmann, Andrew K. Thorpe, David R. Thompson, Christian Frankenberg, Charles E. Miller, Riley M. Duren, and John Philip Burrows. 2021. “Detection and Quantification of CH<sub>4</Sub> Plumes Using the WFM-DOAS Retrieval on AVIRIS-NG Hyperspectral Data.” ATMOSPHERIC MEASUREMENT TECHNIQUES 14 (2): 1267–91. https://doi.org/10.5194/amt-14-1267-2021.
Carranza, Valerie, Talha Rafiq, Isis Frausto-Vicencio, Francesca M. Hopkins, Kristal R. Verhulst, Preeti Rao, Riley M. Duren, and Charles E. Miller. 2018. “Vista-LA: Mapping Methane-Emitting Infrastructure in the Los Angeles Megacity.” EARTH SYSTEM SCIENCE DATA 10 (1): 653–76. https://doi.org/10.5194/essd-10-653-2018.
Ciais, P., A. J. Dolman, A. Bombelli, R. Duren, A. Peregon, P. J. Rayner, C. Miller, et al. 2014. “Current Systematic Carbon-Cycle Observations and the Need for Implementing a Policy-Relevant Carbon Observing System.” BIOGEOSCIENCES 11 (13): 3547–3602. https://doi.org/10.5194/bg-11-3547-2014.
Cui, Yu Yan, Abhilash Vijayan, Matthias Falk, Ying-Kuang Hsu, Dazhong Yin, Xue Meng Chen, Zhan Zhao, et al. 2019. “A Multiplatform Inversion Estimation of Statewide and Regional Methane Emissions in California During 2014-2016.” ENVIRONMENTAL SCIENCE & TECHNOLOGY 53 (16): 9636–45. https://doi.org/10.1021/acs.est.9b01769.
Cusworth, Daniel H., Riley M. Duren, Andrew K. Thorpe, Michael L. Eastwood, Robert O. Green, Philip E. Dennison, Christian Frankenberg, Joseph W. Heckler, Gregory P. Asner, and Charles E. Miller. 2021. “Quantifying Global Power Plant Carbon Dioxide Emissions with Imaging Spectroscopy.” AGU ADVANCES 2 (2). https://doi.org/10.1029/2020AV000350.
Cusworth, Daniel H., Riley M. Duren, Andrew K. Thorpe, Winston Olson-Duvall, Joseph Heckler, John W. Chapman, Michael L. Eastwood, et al. 2021. “Intermittency of Large Methane Emitters in the Permian Basin.” ENVIRONMENTAL SCIENCE & TECHNOLOGY LETTERS 8 (7): 567–73. https://doi.org/10.1021/acs.estlett.1c00173.
Cusworth, Daniel H., Riley M. Duren, Andrew K. Thorpe, Sudhanshu Pandey, Joannes D. Maasakkers, Ilse Aben, Dylan Jervis, et al. 2021. “Multisatellite Imaging of a Gas Well Blowout Enables Quantification of Total Methane Emissions.” GEOPHYSICAL RESEARCH LETTERS 48 (2). https://doi.org/10.1029/2020GL090864.
Cusworth, Daniel H., Riley M. Duren, Andrew K. Thorpe, Eugene Tseng, David Thompson, Abhinav Guha, Sally Newman, Kelsey T. Foster, and Charles E. Miller. 2020. “Using Remote Sensing to Detect, Validate, and Quantify Methane Emissions from California Solid Waste Operations.” ENVIRONMENTAL RESEARCH LETTERS 15 (5). https://doi.org/10.1088/1748-9326/ab7b99.
Cusworth, Daniel H., Riley M. Duren, Vineet Yadav, Andrew K. Thorpe, Kristal Verhulst, Stanley Sander, Francesca Hopkins, Talha Rafiq, and Charles E. Miller. 2020. “Synthesis of Methane Observations Across Scales: Strategies for Deploying a Multitiered Observing Network.” GEOPHYSICAL RESEARCH LETTERS 47 (7). https://doi.org/10.1029/2020GL087869.
Cusworth, Daniel H., Daniel J. Jacob, Daniel J. Varon, Christopher Chan Miller, Xiong Liu, Kelly Chance, Andrew K. Thorpe, et al. 2019. “Potential of Next-Generation Imaging Spectrometers to Detect and Quantify Methane Point Sources from Space.” ATMOSPHERIC MEASUREMENT TECHNIQUES 12 (10): 5655–68. https://doi.org/10.5194/amt-12-5655-2019.
Cusworth, Daniel H., Andrew K. Thorpe, Alana K. Ayasse, David Stepp, Joseph Heckler, Gregory P. Asner, Charles E. Miller, et al. 2022. “Strong Methane Point Sources Contribute a Disproportionate Fraction of Total Emissions Across Multiple Basins in the United States.” PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA 119 (38). https://doi.org/10.1073/pnas.2202338119.
Cusworth, Daniel H., Andrew K. Thorpe, Charles E. Miller, Alana K. Ayasse, Ralph Jiorle, Riley M. Duren, Ray Nassar, Jon-Paul Mastrogiacomo, and Robert R. Nelson. 2023. “Two Years of Satellite-Based Carbon Dioxide Emission Quantification at the World&apos;s Largest Coal-Fired Power Plants.” ATMOSPHERIC CHEMISTRY AND PHYSICS 23 (22): 14577–91. https://doi.org/10.5194/acp-23-14577-2023.
Duren, Riley M., Andrew K. Thorpe, Kelsey T. Foster, Talha Rafiq, Francesca M. Hopkins, Vineet Yadav, Brian D. Bue, et al. 2019. “California’s Methane Super-Emitters.” NATURE 575 (7781): 180+. https://doi.org/10.1038/s41586-019-1720-3.
Ehret, Thibaud, Aurelien De Truchis, Matthieu Mazzolini, Jean-Michel Morel, Alexandre d’Aspremont, Thomas Lauvaux, Riley Duren, Daniel Cusworth, and Gabriele Facciolo. 2022. “Global Tracking and Quantification of Oil and Gas Methane Emissions from Recurrent <i>sentinel-2</i> Imagery.” ENVIRONMENTAL SCIENCE & TECHNOLOGY. https://doi.org/10.1021/acs.est.1c08575.
Foote, Markus D., Philip E. Dennison, Patrick R. Sullivan, Kelly B. O’Neill, Andrew K. Thorpe, David R. Thompson, Daniel H. Cusworth, Riley Duren, and Sarang C. Joshi. 2021. “Impact of Scene-Specific Enhancement Spectra on Matched Filter Greenhouse Gas Retrievals from Imaging Spectroscopy.” REMOTE SENSING OF ENVIRONMENT 264. https://doi.org/10.1016/j.rse.2021.112574.
Guha, Abhinav, Sally Newman, David Fairley, Tan M. Dinh, Linda Duca, Stephen C. Conley, Mackenzie L. Smith, et al. 2020. “Assessment of Regional Methane Emission Inventories Through Airborne Quantification in the San Francisco Bay Area.” ENVIRONMENTAL SCIENCE & TECHNOLOGY 54 (15): 9254–64. https://doi.org/10.1021/acs.est.0c01212.
Gurney, Kevin R., Risa Patarasuk, Jianming Liang, Yang Song, Darragh O’Keeffe, Preeti Rao, James R. Whetstone, Riley M. Duren, Annmarie Eldering, and Charles Miller. 2019. “The Hestia Fossil Fuel CO<sub>2</Sub> Emissions Data Product for the Los Angeles Megacity (Hestia-LA).” EARTH SYSTEM SCIENCE DATA 11 (3): 1309–35. https://doi.org/10.5194/essd-11-1309-2019.
He, Liyin, Zhao-Cheng Zeng, Thomas J. Pongetti, Clare Wone, Jianming Liang, Kevin R. Gurney, Sally Newman, et al. 2019. “Atmospheric Methane Emissions Correlate with Natural Gas Consumption from Residential and Commercial Sectors in Los Angeles.” GEOPHYSICAL RESEARCH LETTERS 46 (14): 8563–71. https://doi.org/10.1029/2019GL083400.
Hmiel, Benjamin, David R. Lyon, Jack D. Warren, Jevan Yu, Daniel H. Cusworth, Riley M. Duren, and Steven P. Hamburg. 2023. “Empirical Quantification of Methane Emission Intensity from Oil and Gas Producers in the Permian Basin.” ENVIRONMENTAL RESEARCH LETTERS 18 (2). https://doi.org/10.1088/1748-9326/acb27e.
Hopkins, Francesca M., James R. Ehleringer, Susan E. Bush, Riley M. Duren, Charles E. Miller, Chun-Ta Lai, Ying-Kuang Hsu, Valerie Carranza, and James T. Randerson. 2016. “Mitigation of Methane Emissions in Cities: How New Measurements and Partnerships Can Contribute to Emissions Reduction Strategies.” EARTHS FUTURE 4 (9): 408–25. https://doi.org/10.1002/2016EF000381.
Hulley, Glynn C., Riley M. Duren, Francesca M. Hopkins, Simon J. Hook, Nick Vance, Pierre Guillevic, William R. Johnson, et al. 2016. “High Spatial Resolution Imaging of Methane and Other Trace Gases with the Airborne Hyperspectral Thermal Emission Spectrometer (HyTES).” ATMOSPHERIC MEASUREMENT TECHNIQUES 9 (5): 2393–2408. https://doi.org/10.5194/amt-9-2393-2016.
Hutyra, Lucy R., Riley Duren, Kevin R. Gurney, Nancy Grimm, Eric A. Kort, Elisabeth Larson, and Gyami Shrestha. 2014. “Urbanization and the Carbon Cycle: Current Capabilities and Research Outlook from the Natural Sciences Perspective.” EARTHS FUTURE 2 (10): 473–95. https://doi.org/10.1002/2014EF000255.
Irakulis-Loitxate, Itziar, Luis Guanter, Yin-Nian Liu, Daniel J. Varon, Joannes D. Maasakkers, Yuzhong Zhang, Apisada Chulakadabba, et al. 2021. “Satellite-Based Survey of Extreme Methane Emissions in the Permian Basin.” SCIENCE ADVANCES 7 (27). https://doi.org/10.1126/sciadv.abf4507.
Jacob, Daniel J., Daniel J. Varon, Daniel H. Cusworth, Philip E. Dennison, Christian Frankenberg, Ritesh Gautam, Luis Guanter, et al. 2022. “Quantifying Methane Emissions from the Global Scale down to Point Sources Using Satellite Observations of Atmospheric Methane.” ATMOSPHERIC CHEMISTRY AND PHYSICS 22 (14): 9617–46. https://doi.org/10.5194/acp-22-9617-2022.
Jongaramrungruang, Siraput, Christian Frankenberg, Georgios Matheou, Andrew K. Thorpe, David R. Thompson, Le Kuai, and Riley M. Duren. 2019. “Towards Accurate Methane Point-Source Quantification from High-Resolution 2-d Plume Imagery.” ATMOSPHERIC MEASUREMENT TECHNIQUES 12 (12): 6667–81. https://doi.org/10.5194/amt-12-6667-2019.
Keremedjiev, Mark S., Justin Haag, Sarah Shivers, Jeff Guido, Keely Roth, Ravi Teja Nallapu, Shiloh Dockstader, et al. 2022. “Carbon Mapper Phase 1: Two Upcoming VNIR-SWIR Hyperspectral Imaging Satellites.” In ALGORITHMS, TECHNOLOGIES, AND APPLICATIONS FOR MULTISPECTRAL AND HYPERSPECTRAL IMAGING XXVIII, edited by M Velez-Reyes and DW Messinger. Vol. 12094. Proceedings of SPIE. SPIE. https://doi.org/10.1117/12.2632547.
Kuai, Le, John R. Worden, King-Fai Li, Glynn C. Hulley, Francesca M. Hopkins, Charles E. Miller, Simon J. Hook, Riley M. Duren, and Andrew D. Aubrey. 2016. “Characterization of Anthropogenic Methane Plumes with the Hyperspectral Thermal Emission Spectrometer (HyTES): A Retrieval Method and Error Analysis.” ATMOSPHERIC MEASUREMENT TECHNIQUES 9 (7): 3165–73. https://doi.org/10.5194/amt-9-3165-2016.
Lauvaux, T., C. Giron, M. Mazzolini, A. d’Aspremont, R. Duren, D. Cusworth, D. Shindell, and P. Ciais. 2022. “Global Assessment of Oil and Gas Methane Ultra-Emitters.” SCIENCE 375 (6580): 557+. https://doi.org/10.1126/science.abj4351.
Mitchell, Logan E., John C. Lin, Lucy R. Hutyra, David R. Bowling, Ronald C. Cohen, Kenneth J. Davis, Elizabeth DiGangi, et al. 2022. “A Multi-City Urban Atmospheric Greenhouse Gas Measurement Data Synthesis.” SCIENTIFIC DATA 9 (1). https://doi.org/10.1038/s41597-022-01467-3.
Rafiq, Talha, Riley M. Duren, Andrew K. Thorpe, Kelsey Foster, Risa Patarsuk, Charles E. Miller, and Francesca M. Hopkins. 2020. “Attribution of Methane Point Source Emissions Using Airborne Imaging Spectroscopy and the Vista-California Methane Infrastructure Dataset.” ENVIRONMENTAL RESEARCH LETTERS 15 (12). https://doi.org/10.1088/1748-9326/ab9af8.
Thompson, D. R., A. K. Thorpe, C. Frankenberg, R. O. Green, R. Duren, L. Guanter, A. Hollstein, E. Middleton, L. Ong, and S. Ungar. 2016. “Space-Based Remote Imaging Spectroscopy of the Aliso Canyon CH<sub>4</Sub> Superemitter.” GEOPHYSICAL RESEARCH LETTERS 43 (12): 6571–78. https://doi.org/10.1002/2016GL069079.
Thompson, David R., Brian D. Bue, Riley Duren, Clayton D. Elder, Christian Frankenberg, Robert O. Green, Simon J. Hook, et al. 2020. “REGIONAL SURVEYS OF CH<sub>4</Sub> POINT SOURCES ACROSS NORTH AMERICA: CAMPAIGNS, ALGORITHMS, AND RESULTS.” In IGARSS 2020 - 2020 IEEE INTERNATIONAL GEOSCIENCE AND REMOTE SENSING SYMPOSIUM, 3955–58. IEEE International Symposium on Geoscience and Remote Sensing IGARSS. Inst Elect & Elect Engineers; Inst Elect & Elect Engineers Geoscience & Remote Sensing Soc. https://doi.org/10.1109/IGARSS39084.2020.9323285.
Thorpe, A. K., E. A. Kort, D. H. Cusworth, A. K. Ayasse, B. D. Bue, V Yadav, D. R. Thompson, et al. 2023. “Methane Emissions Decline from Reduced Oil, Natural Gas, and Refinery Production During COVID-19d.” ENVIRONMENTAL RESEARCH COMMUNICATIONS 5 (2). https://doi.org/10.1088/2515-7620/acb5e5.
Thorpe, Andrew K., Riley M. Duren, Stephen Conley, Kuldeep R. Prasad, Brian D. Bue, Vineet Yadav, Kelsey T. Foster, et al. 2020. “Methane Emissions from Underground Gas Storage in California.” ENVIRONMENTAL RESEARCH LETTERS 15 (4). https://doi.org/10.1088/1748-9326/ab751d.
Thorpe, Andrew K., Christian Frankenberg, David R. Thompson, Riley M. Duren, Andrew D. Aubrey, Brian D. Bue, Robert O. Green, et al. 2017. “Airborne DOAS Retrievals of Methane, Carbon Dioxide, and Water Vapor Concentrations at High Spatial Resolution: Application to AVIRIS-NG.” ATMOSPHERIC MEASUREMENT TECHNIQUES 10 (10): 3833–50. https://doi.org/10.5194/amt-10-3833-2017.
Thorpe, Andrew K., Robert O. Green, David R. Thompson, Philip G. Brodrick, John W. Chapman, Clayton D. Elder, Itziar Irakulis-Loitxate, et al. 2023. “Attribution of Individual Methane and Carbon Dioxide Emission Sources Using EMIT Observations from Space.” SCIENCE ADVANCES 9 (46). https://doi.org/10.1126/sciadv.adh2391.
Thorpe, Andrew K., Christopher O’Handley, George D. Emmitt, Philip L. DeCola, Francesca M. Hopkins, Vineet Yadav, Abhinav Guha, et al. 2021. “Improved Methane Emission Estimates Using AVIRIS-NG and an Airborne Doppler Wind Lidar.” REMOTE SENSING OF ENVIRONMENT 266. https://doi.org/10.1016/j.rse.2021.112681.
Verhulst, Kristal R., Anna Karion, Jooil Kim, Peter K. Salameh, Ralph F. Keeling, Sally Newman, John Miller, et al. 2017. “Carbon Dioxide and Methane Measurements from the Los Angeles Megacity Carbon Project - Part 1: Calibration, Urban Enhancements, and Uncertainty Estimates.” ATMOSPHERIC CHEMISTRY AND PHYSICS 17 (13): 8313–41. https://doi.org/10.5194/acp-17-8313-2017.
Viatte, Camille, Thomas Lauvaux, Jacob K. Hedelius, Harrison Parker, Jia Chen, Taylor Jones, Jonathan E. Franklin, et al. 2017. “Methane Emissions from Dairies in the Los Angeles Basin.” ATMOSPHERIC CHEMISTRY AND PHYSICS 17 (12): 7509–28. https://doi.org/10.5194/acp-17-7509-2017.
Ware, John, Eric A. Kort, Riley Duren, Kimberly L. Mueller, Kristal Verhulst, and Vineet Yadav. 2019. “Detecting Urban Emissions Changes and Events with a Near-Real-Time-Capable Inversion System.” JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES 124 (9): 5117–30. https://doi.org/10.1029/2018JD029224.
Wong, Clare K., Thomas J. Pongetti, Tom Oda, Preeti Rao, Kevin R. Gurney, Sally Newman, Riley M. Duren, Charles E. Miller, Yuk L. Yung, and Stanley P. Sander. 2016. “Monthly Trends of Methane Emissions in Los Angeles from 2011 to 2015 Inferred by CLARS-FTS Observations.” ATMOSPHERIC CHEMISTRY AND PHYSICS 16 (20): 13121–30. https://doi.org/10.5194/acp-16-13121-2016.
Wong, K. W., D. Fu, T. J. Pongetti, S. Newman, E. A. Kort, R. Duren, Y-K Hsu, C. E. Miller, Y. L. Yung, and S. P. Sander. 2015. “Mapping CH<sub>4</Sub> : CO<sub>2</Sub> Ratios in Los Angeles with CLARS-FTS from Mount Wilson, California.” ATMOSPHERIC CHEMISTRY AND PHYSICS 15 (1): 241–52. https://doi.org/10.5194/acp-15-241-2015.
Worden, John R., Daniel H. Cusworth, Zhen Qu, Yi Yin, Yuzhong Zhang, A. Anthony Bloom, Shuang Ma, et al. 2022. “The 2019 Methane Budget and Uncertainties at 1° Resolution and Each Country Through Bayesian Integration of GOSAT Total Column Methane Data and a Priori Inventory Estimates.” ATMOSPHERIC CHEMISTRY AND PHYSICS 22 (10): 6811–41. https://doi.org/10.5194/acp-22-6811-2022.
Worden, John R., Sudhanshu Pandey, Yuzhong Zhang, Daniel H. Cusworth, Zhen Qu, A. Anthony Bloom, Shuang Ma, et al. 2023. “Verifying Methane Inventories and Trends with Atmospheric Methane Data.” AGU ADVANCES 4 (4). https://doi.org/10.1029/2023AV000871.
Yadav, Vineet, Riley Duren, Kim Mueller, Kristal R. Verhulst, Thomas Nehrkorn, Jooil Kim, Ray F. Weiss, et al. 2019. “Spatio-Temporally Resolved Methane Fluxes from the Los Angeles Megacity.” JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES 124 (9): 5131–48. https://doi.org/10.1029/2018JD030062.
Yadav, Vineet, Kristal Verhulst, Riley Duren, Andrew Thorpe, Jooil Kim, Ralph Keeling, Ray Weiss, et al. 2023. “A Declining Trend of Methane Emissions in the Los Angeles Basin from 2015 to 2020.” ENVIRONMENTAL RESEARCH LETTERS 18 (3). https://doi.org/10.1088/1748-9326/acb6a9.
Yu, Jevan, Benjamin Hmiel, David R. Lyon, Jack Warren, Daniel H. Cusworth, Riley M. Duren, Yuanlei Chen, Erin C. Murphy, and Adam R. Brandt. 2022. “Methane Emissions from Natural Gas Gathering Pipelines in the Permian Basin.” ENVIRONMENTAL SCIENCE & TECHNOLOGY LETTERS 9 (11): 969–74. https://doi.org/10.1021/acs.estlett.2c00380.
Zandbergen, Sander R., Riley Duren, Paul Giuliano, Robert O. Green, Justin M. Haag, Lori B. Moore, Lucas Shaw, and Pantazis Mouroulis. 2022. “Optical Design of the Carbon Plume Mapper (CPM) Imaging Spectrometer.” In IMAGING SPECTROMETRY XXV: APPLICATIONS, SENSORS, AND PROCESSING, edited by EJ Ientilucci and CL Bradley. Vol. 12235. Proceedings of SPIE. SPIE. https://doi.org/10.1117/12.2633767.