Zobrazeno 1 - 10
of 105
pro vyhledávání: '"G, Pétron"'
Autor:
G. Pétron, A. M. Crotwell, J. Mund, M. Crotwell, T. Mefford, K. Thoning, B. Hall, D. Kitzis, M. Madronich, E. Moglia, D. Neff, S. Wolter, A. Jordan, P. Krummel, R. Langenfelds, J. Patterson
Publikováno v:
Atmospheric Measurement Techniques, Vol 17, Pp 4803-4823 (2024)
The NOAA Global Monitoring Laboratory (GML) measures atmospheric hydrogen (H2) in grab samples collected weekly as flask pairs at over 50 sites in the Cooperative Global Air Sampling Network. Measurements representative of background air sampling sho
Externí odkaz:
https://doaj.org/article/39ae426adf9343eeae3a0b1a05f37761
Publikováno v:
Atmospheric Chemistry and Physics, Vol 24, Pp 4217-4229 (2024)
Hydrogen (H2) is a promising low-carbon alternative to fossil fuels for many applications. However, significant gaps in our understanding of the atmospheric H2 budget limit our ability to predict the impacts of greater H2 usage. Here we use NOAA H2 d
Externí odkaz:
https://doaj.org/article/328b182a5c1549c7aa9395cae7f8eae2
Autor:
D. E. J. Worthy, M. K. Rauh, L. Huang, F. R. Vogel, A. Chivulescu, K. A. Masarie, R. L. Langenfelds, P. B. Krummel, C. E. Allison, A. M. Crotwell, M. Madronich, G. Pétron, I. Levin, S. Hammer, S. Michel, M. Ramonet, M. Schmidt, A. Jordan, H. Moossen, M. Rothe, R. Keeling, E. J. Morgan
Publikováno v:
Atmospheric Measurement Techniques, Vol 16, Pp 5909-5935 (2023)
Since 1999, Environment and Climate Change Canada (ECCC) has been coordinating a multi-laboratory comparison of measurements of long-lived greenhouse gases in whole air samples collected at the Global Atmosphere Watch (GAW) Alert Observatory located
Externí odkaz:
https://doaj.org/article/627732235f2541ef999cd8d3c5be9a40
Autor:
J. D. Patterson, M. Aydin, A. M. Crotwell, G. Pétron, J. P. Severinghaus, P. B. Krummel, R. L. Langenfelds, V. V. Petrenko, E. S. Saltzman
Publikováno v:
Climate of the Past, Vol 19, Pp 2535-2550 (2023)
Historical atmospheric H2 levels were reconstructed using firn air measurements from two sites in Greenland (NEEM and Summit) and two sites in Antarctica (South Pole and Megadunes). A joint reconstruction based on the two Antarctic sites yields H2 le
Externí odkaz:
https://doaj.org/article/6568c9917d674c8d836d20332c20b191
Autor:
S. Naus, L. G. Domingues, M. Krol, I. T. Luijkx, L. V. Gatti, J. B. Miller, E. Gloor, S. Basu, C. Correia, G. Koren, H. M. Worden, J. Flemming, G. Pétron, W. Peters
Publikováno v:
Atmospheric Chemistry and Physics, Vol 22, Pp 14735-14750 (2022)
Despite the consensus on the overall downward trend in Amazon forest loss in the previous decade, estimates of yearly carbon emissions from deforestation still vary widely. Estimated carbon emissions are currently often based on data from local loggi
Externí odkaz:
https://doaj.org/article/2c0cf0b2531847f699e6a416dda20cde
Autor:
H. Angot, C. Davel, C. Wiedinmyer, G. Pétron, J. Chopra, J. Hueber, B. Blanchard, I. Bourgeois, I. Vimont, S. A. Montzka, B. R. Miller, J. W. Elkins, D. Helmig
Publikováno v:
Atmospheric Chemistry and Physics, Vol 21, Pp 15153-15170 (2021)
Atmospheric non-methane hydrocarbons (NMHCs) play an important role in the formation of secondary organic aerosols and ozone. After a multidecadal global decline in atmospheric mole fractions of ethane and propane – the most abundant atmospheric NM
Externí odkaz:
https://doaj.org/article/f877504ad0844d7ab0e09ae3ea1e80c4
Autor:
H. Lee, E. J. Dlugokencky, J. C. Turnbull, S. Lee, S. J. Lehman, J. B. Miller, G. Pétron, J.-S. Lim, G.-W. Lee, S.-S. Lee, Y.-S. Park
Publikováno v:
Atmospheric Chemistry and Physics, Vol 20, Pp 12033-12045 (2020)
To understand the Korean Peninsula's carbon dioxide (CO2) emissions and sinks as well as those of the surrounding region, we used 70 flask-air samples collected during May 2014 to August 2016 at Anmyeondo (AMY; 36.53∘ N, 126.32∘ E; 46 m a
Externí odkaz:
https://doaj.org/article/07e1419cc87840029f47a31412ca7bbf
Autor:
S. Conley, I. Faloona, S. Mehrotra, M. Suard, D. H. Lenschow, C. Sweeney, S. Herndon, S. Schwietzke, G. Pétron, J. Pifer, E. A. Kort, R. Schnell
Publikováno v:
Atmospheric Measurement Techniques, Vol 10, Pp 3345-3358 (2017)
Airborne estimates of greenhouse gas emissions are becoming more prevalent with the advent of rapid commercial development of trace gas instrumentation featuring increased measurement accuracy, precision, and frequency, and the swelling interest i
Externí odkaz:
https://doaj.org/article/dff616b91e1146a1bd49dd64e487b801
Autor:
R. Ahmadov, S. McKeen, M. Trainer, R. Banta, A. Brewer, S. Brown, P. M. Edwards, J. A. de Gouw, G. J. Frost, J. Gilman, D. Helmig, B. Johnson, A. Karion, A. Koss, A. Langford, B. Lerner, J. Olson, S. Oltmans, J. Peischl, G. Pétron, Y. Pichugina, J. M. Roberts, T. Ryerson, R. Schnell, C. Senff, C. Sweeney, C. Thompson, P. R. Veres, C. Warneke, R. Wild, E. J. Williams, B. Yuan, R. Zamora
Publikováno v:
Atmospheric Chemistry and Physics, Vol 15, Iss 1, Pp 411-429 (2015)
Recent increases in oil and natural gas (NG) production throughout the western US have come with scientific and public interest in emission rates, air quality and climate impacts related to this industry. This study uses a regional-scale air quality
Externí odkaz:
https://doaj.org/article/9eb42304a3f846e29a810c81e980461c
Autor:
C. Warneke, F. Geiger, P. M. Edwards, W. Dube, G. Pétron, J. Kofler, A. Zahn, S. S. Brown, M. Graus, J. B. Gilman, B. M. Lerner, J. Peischl, T. B. Ryerson, J. A. de Gouw, J. M. Roberts
Publikováno v:
Atmospheric Chemistry and Physics, Vol 14, Iss 20, Pp 10977-10988 (2014)
Emissions of volatile organic compounds (VOCs) associated with oil and natural gas production in the Uintah Basin, Utah were measured at a ground site in Horse Pool and from a NOAA mobile laboratory with PTR-MS instruments. The VOC compositions in th
Externí odkaz:
https://doaj.org/article/b18fb812c35e44ebbaab0f2585602f3c