Zobrazeno 1 - 10
of 1 558
pro vyhledávání: '"R. Gautam"'
Autor:
C. Chan Miller, S. Roche, J. S. Wilzewski, X. Liu, K. Chance, A. H. Souri, E. Conway, B. Luo, J. Samra, J. Hawthorne, K. Sun, C. Staebell, A. Chulakadabba, M. Sargent, J. S. Benmergui, J. E. Franklin, B. C. Daube, Y. Li, J. L. Laughner, B. C. Baier, R. Gautam, M. Omara, S. C. Wofsy
Publikováno v:
Atmospheric Measurement Techniques, Vol 17, Pp 5429-5454 (2024)
Reducing methane (CH4) emissions from the oil and gas (O&G) sector is crucial for mitigating climate change in the near term. MethaneSAT is an upcoming satellite mission designed to monitor basin-wide O&G emissions globally, providing estimates of em
Externí odkaz:
https://doaj.org/article/ac9a55f63d6845929369c7a289df6f28
Autor:
M. Omara, A. Himmelberger, K. MacKay, J. P. Williams, J. Benmergui, M. Sargent, S. C. Wofsy, R. Gautam
Publikováno v:
Earth System Science Data, Vol 16, Pp 3973-3991 (2024)
Accurate and comprehensive quantification of oil and gas methane emissions is pivotal in informing effective methane mitigation policies while also supporting the assessment and tracking of progress towards emissions reduction targets set by governme
Externí odkaz:
https://doaj.org/article/26eb45b24b86436fbe10bdbcb4a13cca
Autor:
B. Nathan, J. D. Maasakkers, S. Naus, R. Gautam, M. Omara, D. J. Varon, M. P. Sulprizio, L. A. Estrada, A. Lorente, T. Borsdorff, R. J. Parker, I. Aben
Publikováno v:
Atmospheric Chemistry and Physics, Vol 24, Pp 6845-6863 (2024)
Venezuela has long been identified as an area with large methane emissions and intensive oil exploitation, especially in the Lake Maracaibo region, but production has strongly decreased in recent years. The area is notoriously difficult to observe fr
Externí odkaz:
https://doaj.org/article/79d6ebd7c9724195852a1eeec351eb45
Autor:
P. N. Patel, J. H. Jiang, R. Gautam, H. Gadhavi, O. Kalashnikova, M. J. Garay, L. Gao, F. Xu, A. Omar
Publikováno v:
Atmospheric Chemistry and Physics, Vol 24, Pp 2861-2883 (2024)
Cloud condensation nuclei (CCN) are mediators of aerosol–cloud interactions (ACIs), contributing to the largest uncertainties in the understandings of global climate change. We present a novel remote-sensing-based algorithm that quantifies the vert
Externí odkaz:
https://doaj.org/article/48c9bc94335941cbbb0f435ebb186a69
Autor:
A. Chulakadabba, M. Sargent, T. Lauvaux, J. S. Benmergui, J. E. Franklin, C. Chan Miller, J. S. Wilzewski, S. Roche, E. Conway, A. H. Souri, K. Sun, B. Luo, J. Hawthrone, J. Samra, B. C. Daube, X. Liu, K. Chance, Y. Li, R. Gautam, M. Omara, J. S. Rutherford, E. D. Sherwin, A. Brandt, S. C. Wofsy
Publikováno v:
Atmospheric Measurement Techniques, Vol 16, Pp 5771-5785 (2023)
The MethaneSAT satellite instrument and its aircraft precursor, MethaneAIR, are imaging spectrometers designed to measure methane concentrations with wide spatial coverage, fine spatial resolution, and high precision compared to currently deployed re
Externí odkaz:
https://doaj.org/article/074584e22fd146119adb07723321ab72
Autor:
M. Omara, R. Gautam, M. A. O'Brien, A. Himmelberger, A. Franco, K. Meisenhelder, G. Hauser, D. R. Lyon, A. Chulakadabba, C. C. Miller, J. Franklin, S. C. Wofsy, S. P. Hamburg
Publikováno v:
Earth System Science Data, Vol 15, Pp 3761-3790 (2023)
Reducing oil and gas methane emissions is crucially important for limiting the rate of human-induced climate warming. As the capacity of multi-scale measurements of global oil and gas methane emissions has advanced in recent years, including the emer
Externí odkaz:
https://doaj.org/article/092e1cfd2d70411e94f79f15a3b2f6b6
Autor:
D. J. Varon, D. J. Jacob, B. Hmiel, R. Gautam, D. R. Lyon, M. Omara, M. Sulprizio, L. Shen, D. Pendergrass, H. Nesser, Z. Qu, Z. R. Barkley, N. L. Miles, S. J. Richardson, K. J. Davis, S. Pandey, X. Lu, A. Lorente, T. Borsdorff, J. D. Maasakkers, I. Aben
Publikováno v:
Atmospheric Chemistry and Physics, Vol 23, Pp 7503-7520 (2023)
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 inverse analysis of satellite observations from the TROPOspheric Monitoring Instrument (T
Externí odkaz:
https://doaj.org/article/3ea8a26997aa4db99d274be8c9893668
Autor:
Z. Chen, D. J. Jacob, R. Gautam, M. Omara, R. N. Stavins, R. C. Stowe, H. Nesser, M. P. Sulprizio, A. Lorente, D. J. Varon, X. Lu, L. Shen, Z. Qu, D. C. Pendergrass, S. Hancock
Publikováno v:
Atmospheric Chemistry and Physics, Vol 23, Pp 5945-5967 (2023)
We use 2019 TROPOMI satellite observations of atmospheric methane in an analytical inversion to quantify methane emissions from the Middle East and North Africa at up to ∼25 km × 25 km resolution, using spatially allocated national United Nations
Externí odkaz:
https://doaj.org/article/3e38a3f6a21042d2919f4894dd631550
Autor:
L. Shen, R. Gautam, M. Omara, D. Zavala-Araiza, J. D. Maasakkers, T. R. Scarpelli, A. Lorente, D. Lyon, J. Sheng, D. J. Varon, H. Nesser, Z. Qu, X. Lu, M. P. Sulprizio, S. P. Hamburg, D. J. Jacob
Publikováno v:
Atmospheric Chemistry and Physics, Vol 22, Pp 11203-11215 (2022)
We use satellite methane observations from the Tropospheric Monitoring Instrument (TROPOMI), for May 2018 to February 2020, to quantify methane emissions from individual oil and natural gas (O/G) basins in the US and Canada using a high-resolution (
Externí odkaz:
https://doaj.org/article/6461e448e57c4316aa1e3784c3fa788c
Autor:
D. J. Jacob, D. J. Varon, D. H. Cusworth, P. E. Dennison, C. Frankenberg, R. Gautam, L. Guanter, J. Kelley, J. McKeever, L. E. Ott, B. Poulter, Z. Qu, A. K. Thorpe, J. R. Worden, R. M. Duren
Publikováno v:
Atmospheric Chemistry and Physics, Vol 22, Pp 9617-9646 (2022)
We review the capability of current and scheduled satellite observations of atmospheric methane in the shortwave infrared (SWIR) to quantify methane emissions from the global scale down to point sources. We cover retrieval methods, precision and accu
Externí odkaz:
https://doaj.org/article/93620f9a8336481b969221db741ca40f