Search Results - "Varon, J"

Satellite Discovery of Anomalously Large Methane Point Sources From Oil/Gas Production by Varon, D. J., McKeever, J., Jervis, D., Maasakkers, J. D., Pandey, S., Houweling, S., Aben, I., Scarpelli, T., Jacob, D. J.

“…Rapid identification of anomalous methane sources in oil/gas fields could enable corrective action to fight climate change. The GHGSat‐D satellite instrument…”
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Quantifying methane emissions from the global scale down to point sources using satellite observations of atmospheric methane by Jacob, Daniel J, Varon, Daniel J, Cusworth, Daniel H, Dennison, Philip E, Frankenberg, Christian, Gautam, Ritesh, Guanter, Luis, Kelley, John, McKeever, Jason, Ott, Lesley E, Poulter, Benjamin, Qu, Zhen, Thorpe, Andrew K, Worden, John R, Duren, Riley M

“…We review the capability of current and scheduled satellite observations of atmospheric methane in the shortwave infrared (SWIR) to quantify methane emissions…”
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The GHGSat-D imaging spectrometer by Jervis, Dylan, McKeever, Jason, Durak, Berke O. A, Sloan, James J, Gains, David, Varon, Daniel J, Ramier, Antoine, Strupler, Mathias, Tarrant, Ewan

“…The demonstration satellite GHGSat-D, or “Claire”, launched on 21 June 2016, is the first in a planned constellation of small satellites designed and operated…”
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Quantifying methane point sources from fine-scale satellite observations of atmospheric methane plumes by Varon, Daniel J, Jacob, Daniel J, McKeever, Jason, Jervis, Dylan, Durak, Berke O. A, Xia, Yan, Huang, Yi

“…Anthropogenic methane emissions originate from a large number of relatively small point sources. The planned GHGSat satellite fleet aims to quantify emissions…”
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High-frequency monitoring of anomalous methane point sources with multispectral Sentinel-2 satellite observations by Varon, Daniel J, Jervis, Dylan, McKeever, Jason, Spence, Ian, Gains, David, Jacob, Daniel J

“…We demonstrate the capability of the Sentinel-2 MultiSpectral Instrument (MSI) to detect and quantify anomalously large methane point sources with fine pixel…”
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Methane emissions from China: a high-resolution inversion of TROPOMI satellite observations by Chen, Zichong, Jacob, Daniel J, Nesser, Hannah, Sulprizio, Melissa P, Lorente, Alba, Varon, Daniel J, Lu, Xiao, Shen, Lu, Qu, Zhen, Penn, Elise, Yu, Xueying

“…We quantify methane emissions in China and the contributions from different sectors by inverse analysis of 2019 TROPOMI satellite observations of atmospheric…”
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Understanding the potential of Sentinel-2 for monitoring methane point emissions by Gorroño, Javier, Varon, Daniel J, Irakulis-Loitxate, Itziar, Guanter, Luis

“…The use of satellite instruments to detect and quantify methane emissions from fossil fuel production activities is highly beneficial to support climate change…”
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Mapping methane plumes at very high spatial resolution with the WorldView-3 satellite by Sánchez-García, Elena, Gorroño, Javier, Irakulis-Loitxate, Itziar, Varon, Daniel J, Guanter, Luis

“…The detection of methane emissions from industrial activities can help enable effective climate change mitigation strategies. These industrial emissions, such…”
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Satellite quantification of oil and natural gas methane emissions in the US and Canada including contributions from individual basins by Shen, Lu, Gautam, Ritesh, Omara, Mark, Zavala-Araiza, Daniel, Maasakkers, Joannes D, Scarpelli, Tia R, Lorente, Alba, Lyon, David, Sheng, Jianxiong, Varon, Daniel J, Nesser, Hannah, Qu, Zhen, Lu, Xiao, Sulprizio, Melissa P, Hamburg, Steven P, Jacob, Daniel J

“…We use satellite methane observations from the Tropospheric Monitoring Instrument (TROPOMI), for May 2018 to February 2020, to quantify methane emissions from…”
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Concurrent variation in oil and gas methane emissions and oil price during the COVID-19 pandemic by Lyon, David R., Hmiel, Benjamin, Gautam, Ritesh, Omara, Mark, Roberts, Katherine A., Barkley, Zachary R., Davis, Kenneth J., Miles, Natasha L., Monteiro, Vanessa C., Richardson, Scott J., Conley, Stephen, Smith, Mackenzie L., Jacob, Daniel J., Shen, Lu, Varon, Daniel J., Deng, Aijun, Rudelis, Xander, Sharma, Nikhil, Story, Kyle T., Brandt, Adam R., Kang, Mary, Kort, Eric A., Marchese, Anthony J., Hamburg, Steven P.

“…Methane emissions associated with the production, transport, and use of oil and natural gas increase the climatic impacts of energy use; however, little is…”
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Attribution of the 2020 surge in atmospheric methane by inverse analysis of GOSAT observations by Qu, Zhen, Jacob, Daniel J, Zhang, Yuzhong, Shen, Lu, Varon, Daniel J, Lu, Xiao, Scarpelli, Tia, Bloom, Anthony, Worden, John, Parker, Robert J

“…Abstract Atmospheric methane mixing ratio rose by 15 ppbv between 2019 and 2020, the fastest growth rate on record. We conduct a global inverse analysis of…”
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Automated detection and monitoring of methane super-emitters using satellite data by Schuit, Berend J., Maasakkers, Joannes D., Bijl, Pieter, Mahapatra, Gourav, van den Berg, Anne-Wil, Pandey, Sudhanshu, Lorente, Alba, Borsdorff, Tobias, Houweling, Sander, Varon, Daniel J., McKeever, Jason, Jervis, Dylan, Girard, Marianne, Irakulis-Loitxate, Itziar, Gorroño, Javier, Guanter, Luis, Cusworth, Daniel H., Aben, Ilse

“…A reduction in anthropogenic methane emissions is vital to limit near-term global warming. A small number of so-called super-emitters is responsible for a…”
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Assessing methane emissions from collapsing Venezuelan oil production using TROPOMI by Nathan, Brian, Maasakkers, Joannes D, Naus, Stijn, Gautam, Ritesh, Omara, Mark, Varon, Daniel J, Sulprizio, Melissa P, Estrada, Lucas A, Lorente, Alba, Borsdorff, Tobias, Parker, Robert J, Aben, Ilse

“…Venezuela has long been identified as an area with large methane emissions and intensive oil exploitation, especially in the Lake Maracaibo region, but…”
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U-Plume: automated algorithm for plume detection and source quantification by satellite point-source imagers by Bruno, Jack H, Jervis, Dylan, Varon, Daniel J, Jacob, Daniel J

“…Current methods for detecting atmospheric plumes and inferring point-source rates from high-resolution satellite imagery are labor-intensive and not scalable…”
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Prehospital Intubations and Mortality: A Level 1 Trauma Center Perspective by Cobas, Miguel A., De la Peña, Maria Alejandra, Manning, Ronald, Candiotti, Keith, Varon, Albert J.

“…Ryder Trauma Center is a Level 1 trauma center with approximately 3800 emergency admissions per year. In this study, we sought to determine the incidence of…”
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Potential of next-generation imaging spectrometers to detect and quantify methane point sources from space by Cusworth, Daniel H, Jacob, Daniel J, Varon, Daniel J, Chan Miller, Christopher, Liu, Xiong, Chance, Kelly, Thorpe, Andrew K, Duren, Riley M, Miller, Charles E, Thompson, David R, Frankenberg, Christian, Guanter, Luis, Randles, Cynthia A

“…We examine the potential for global detection of methane plumes from individual point sources with the new generation of spaceborne imaging spectrometers…”
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Continuous weekly monitoring of methane emissions from the Permian Basin by inversion of TROPOMI satellite observations by Varon, Daniel J, Jacob, Daniel J, Hmiel, Benjamin, Gautam, Ritesh, Lyon, David R, Omara, Mark, Sulprizio, Melissa, Shen, Lu, Pendergrass, Drew, Nesser, Hannah, Qu, Zhen, Barkley, Zachary R, Miles, Natasha L, Richardson, Scott J, Davis, Kenneth J, Pandey, Sudhanshu, Lu, Xiao, Lorente, Alba, Borsdorff, Tobias, Maasakkers, Joannes D, Aben, Ilse

“…We quantify weekly methane emissions at 0.25∘ × 0.3125∘ (≈25 × 25 km2) resolution from the Permian Basin, the largest oil production basin in the US, by…”
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Detecting and quantifying methane emissions from oil and gas production: algorithm development with ground-truth calibration based on Sentinel-2 satellite imagery by Zhang, Zhan, Sherwin, Evan D, Varon, Daniel J, Brandt, Adam R

“…Sentinel-2 satellite imagery has been shown by studies to be capable of detecting and quantifying methane emissions from oil and gas production. However,…”
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Satellite quantification of methane emissions and oil–gas methane intensities from individual countries in the Middle East and North Africa: implications for climate action by Chen, Zichong, Jacob, Daniel J, Gautam, Ritesh, Omara, Mark, Stavins, Robert N, Stowe, Robert C, Nesser, Hannah, Sulprizio, Melissa P, Lorente, Alba, Varon, Daniel J, Lu, Xiao, Shen, Lu, Qu, Zhen, Pendergrass, Drew C, Hancock, Sarah

“…We use 2019 TROPOMI satellite observations of atmospheric methane in an analytical inversion to quantify methane emissions from the Middle East and North…”
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A blended TROPOMI+GOSAT satellite data product for atmospheric methane using machine learning to correct retrieval biases by Balasus, Nicholas, Jacob, Daniel J, Lorente, Alba, Maasakkers, Joannes D, Parker, Robert J, Boesch, Hartmut, Chen, Zichong, Kelp, Makoto M, Nesser, Hannah, Varon, Daniel J

“…Satellite observations of dry-column methane mixing ratios (XCH4) from shortwave infrared (SWIR) solar backscatter radiation provide a powerful resource to…”
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