arrow
Back
R

R. L. Langenfelds

university of california san diego

57H-index
241Paper Count
2.1WCitation Count
Published Papers 65
Publication Date
Global emissions and abundances of chemically and radiatively important trace gases from the AGAGE network
err2025-11-27
err3
PREAI
errWestern, Luke M.; Rigby, Matthew; Muhle, Jens; Krummel, Paul B.; Lunder, Chris R.; O'doherty, Simon; Reimann, Stefan; Vollmer, Martin K.; Young, Dickon; Adam, Ben; Fraser, Paul J.; Ganesan, Anita L.; Harth, Christina M.; Hermansen, Ove; Kim, Jooil; Langenfelds, Ray L.; Loh, Zoe M.; Mitrevski, Blagoj; Pitt, Joseph R.; Salameh, Peter K.; Schmidt, Roland; Stanley, Kieran; Stavert, Ann R.; Wang, Hsiang-Jui; Weiss, Ray F.; Prinn, Ronald G.
errShare
errSave
Atmospheric H2 observations from the NOAA Cooperative Global Air Sampling Network
err2024-08-23
err0
errOAAI
errPetron, Gabrielle; Crotwell, Andrew M.; Mund, John; Crotwell, Molly; Mefford, Thomas; Thoning, Kirk; Hall, Bradley; Kitzis, Duane; Madronich, Monica; Moglia, Eric; Neff, Donald; Wolter, Sonja; Jordan, Armin; Krummel, Paul; Langenfelds, Ray; Patterson, John
errShare
errSave
Results of a long-term international comparison of greenhouse gas and isotope measurements at the Global Atmosphere Watch (GAW) Observatory in Alert, Nunavut, Canada
err2023-12-13
err4
errOAAI
errWorthy, Douglas E. J.; Rauh, Michele K.; Huang, Lin; Vogel, Felix R.; Chivulescu, Alina; Masarie, Kenneth A.; Langenfelds, Ray L.; Krummel, Paul B.; Allison, Colin E.; Crotwell, Andrew M.; Madronich, Monica; Petron, Gabrielle; Levin, Ingeborg; Hammer, Samuel; Michel, Sylvia; Ramonet, Michel; Schmidt, Martina; Jordan, Armin; Moossen, Heiko; Rothe, Michael; Keeling, Ralph; Morgan, Eric J.
errShare
errSave
Reconstructing atmospheric H2 over the past century from bi-polar firn air records
err2023-12-12
err1
errOAAI
errPatterson, John D.; Aydin, Murat; Crotwell, Andrew M.; Petron, Gabrielle; Severinghaus, Jeffery P.; Krummel, Paul B.; Langenfelds, Ray L.; Petrenko, Vasilii V.; Saltzman, Eric S.
errShare
errSave
Southern Hemisphere atmospheric history of carbon monoxide over the late Holocene reconstructed from multiple Antarctic ice archives
err2023-11-15
err2
errOAAI
errFain, Xavier; Etheridge, David M.; Fourteau, Kevin; Martinerie, Patricia; Trudinger, Cathy M.; Rhodes, Rachael H.; Chellman, Nathan J.; Langenfelds, Ray L.; Mcconnell, Joseph R.; Curran, Mark A. J.; Brook, Edward J.; Blunier, Thomas; Teste, Gregory; Grilli, Roberto; Lemoine, Anthony; Sturges, William T.; Vanniere, Boris; Freitag, Johannes; Chappellaz, Jerome
errShare
errSave
Concentration and Isotopic Composition of Atmospheric N2O Over the Last Century
err2023-06-15
err1
errOAAI
errGhosh, Sambit; Toyoda, Sakae; Buizert, Christo; Etheridge, David M.; Langenfelds, Ray L.; Yoshida, Naohiro; Kim, Seong-Joong; Ahn, Jinho
errShare
errSave
Global increase of ozone-depleting chlorofluorocarbons from 2010 to 2020
err2023-04-03
err23
PREAI
errWestern, Luke M.; Vollmer, Martin K.; Krummel, Paul B.; Adcock, Karina E.; Fraser, Paul J.; Harth, Christina M.; Langenfelds, Ray L.; Montzka, Stephen A.; Muehle, Jens; O'Doherty, Simon; Oram, David E.; Reimann, Stefan; Rigby, Matt; Vimont, Isaac; Weiss, Ray F.; Young, Dickon; Laube, Johannes C.
errShare
errSave
Evaluating the contribution of the unexplored photochemistry of aldehydes on the tropospheric levels of molecular hydrogen (H2)
err2022-09-21
err4
errOAAI
errPerez-Pena, Maria Paula; Fisher, Jenny A.; Millet, Dylan B.; Yashiro, Hisashi; Langenfelds, Ray L.; Krummel, Paul B.; Kable, Scott H.
errShare
errSave
H2 in Antarctic firn air: Atmospheric reconstructions and implications for anthropogenic emissions
err2021-08-23
err13
errOAAI
errPatterson, John D.; Aydin, Murat; Crotwell, Andrew M.; Petron, Gabrielle; Severinghaus, Jeffrey P.; Krummel, Paul B.; Langenfelds, Ray L.; Saltzman, Eric S.
errShare
errSave
Unexpected nascent atmospheric emissions of three ozone-depleting hydrochlorofluorocarbons
err2021-01-25
err16
errOAAI
errVollmer, Martin K.; Muhle, Jens; Henne, Stephan; Young, Dickon; Rigby, Matthew; Mitrevski, Blagoj; Park, Sunyoung; Lunder, Chris R.; Rhee, Tae Siek; Harth, Christina M.; Hill, Matthias; Langenfelds, Ray L.; Guillevic, Myriam; Schlauri, Paul M.; Hermansen, Ove; Arduini, Jgor; Wang, Ray H. J.; Salameh, Peter K.; Maione, Michela; Krummel, Paul B.; Reimann, Stefan; O'Doherty, Simon; Simmonds, Peter G.; Fraser, Paul J.; Prinn, Ronald G.; Weiss, Ray F.; Steele, L. Paul
errShare
errSave
Influences of hydroxyl radicals (OH) on top-down estimates of the global and regional methane budgets
err2020-08-13
err22
errOAAI
errZhao, Yuanhong; Saunois, Marielle; Bousquet, Philippe; Lin, Xin; Berchet, Antoine; Hegglin, Michaela I.; Canadell, Josep G.; Jackson, Robert B.; Dlugokencky, Edward J.; Langenfelds, Ray L.; Ramonet, Michel; Worthy, Doug; Zheng, Bo
errShare
errSave
The Global Methane Budget 2000-2017
err2020-07-15
err1.5K
errOAAI
errSaunois, Marielle; Stavert, Ann R.; Poulter, Ben; Bousquet, Philippe; Canadell, Josep G.; Jackson, Robert B.; Raymond, Peter A.; Dlugokencky, Edward J.; Houweling, Sander; Patra, Prabir K.; Ciais, Philippe; Arora, Vivek K.; Bastviken, David; Bergamaschi, Peter; Blake, Donald R.; Brailsford, Gordon; Bruhwiler, Lori; Carlson, Kimberly M.; Carrol, Mark; Castaldi, Simona; Chandra, Naveen; Crevoisier, Cyril; Crill, Patrick M.; Covey, Kristofer; Curry, Charles L.; Etiope, Giuseppe; Frankenberg, Christian; Gedney, Nicola; Hegglin, Michaela, I; Hoglund-Isaksson, Lena; Hugelius, Gustaf; Ishizawa, Misa; Ito, Akihiko; Janssens-Maenhout, Greet; Jensen, Katherine M.; Joos, Fortunat; Kleinen, Thomas; Krummel, Paul B.; Langenfelds, Ray L.; Laruelle, Goulven G.; Liu, Licheng; Machida, Toshinobu; Maksyutov, Shamil; McDonald, Kyle C.; McNorton, Joe; Miller, Paul A.; Melton, Joe R.; Morino, Isamu; Muller, Jurek; Murguia-Flores, Fabiola; Naik, Vaishali; Niwa, Yosuke; Noce, Sergio; Doherty, Simon O.; Parker, Robert J.; Peng, Changhui; Peng, Shushi; Peters, Glen P.; Prigent, Catherine; Prinn, Ronald; Ramonet, Michel; Regnier, Pierre; Riley, William J.; Rosentreter, Judith A.; Segers, Arjo; Simpson, Isobel J.; Shi, Hao; Smith, Steven J.; Steele, L. Paul; Thornton, Brett F.; Tian, Hanqin; Tohjima, Yasunori; Tubiello, Francesco N.; Tsuruta, Aki; Viovy, Nicolas; Voulgarakis, Apostolos; Weber, Thomas S.; van Weele, Michiel; van der Werf, Guido R.; Weiss, Ray F.; Worthy, Doug; Wunch, Debra; Yin, Yi; Yoshida, Yukio; Zhang, Wenxin; Zhang, Zhen; Zhao, Yuanhong; Zheng, Bo; Zhu, Qing; Zhu, Qiuan; Zhuang, Qianlai
errShare
errSave
Trends and emissions of six perfluorocarbons in the Northern Hemisphere and Southern Hemisphere
err2020-04-24
err13
errOAAI
errDroste, Elise S.; Adcock, Karina E.; Ashfold, Matthew J.; Chou, Charles; Fleming, Zoe; Fraser, Paul J.; Gooch, Lauren J.; Hind, Andrew J.; Langenfelds, Ray L.; Elvidge, Emma Leedham; Hanif, Norfazrin Mohd; O'Doherty, Simon; Oram, David E.; Ou-Yang, Chang-Feng; Panagi, Marios; Reeves, Claire E.; Sturges, William T.; Laube, Johannes C.
errShare
errSave
Variability in a four-network composite of atmospheric CO2 differences between three primary baseline sites
err2019-12-09
err3
errOAAI
errFrancey, Roger J.; Frederiksen, Jorgen S.; Steele, L. Paul; Langenfelds, Ray L.
errShare
errSave
Revised records of atmospheric trace gases CO2, CH4, N2O, and δ13C-CO2 over the last 2000 years from Law Dome, Antarctica
err2019-04-11
err58
errOAAI
errRubino, Mauro; Etheridge, David M.; Thornton, David P.; Howden, Russell; Allison, Colin E.; Francey, Roger J.; Langenfelds, Ray L.; Steele, L. Paul; Trudinger, Cathy M.; Spencer, Darren A.; Curran, Mark A. J.; van Ommen, Tas D.; Smith, Andrew M.
errShare
errSave
Abundances, emissions, and loss processes of the long-lived and potent greenhouse gas octafluorooxolane (octafluorotetrahydrofuran, c-C4F8O) in the atmosphere
err2019-03-20
err4
errOAAI
errVollmer, Martin K.; Bernard, Francois; Mitrevski, Blagoj; Steele, L. Paul; Trudinger, Cathy M.; Reimann, Stefan; Langenfelds, Ray L.; Krummel, Paul B.; Fraser, Paul J.; Etheridge, David M.; Curran, Mark A. J.; Burkholder, James B.
errShare
errSave
The Macquarie Island (LoFlo2G) high-precision continuous atmospheric carbon dioxide record
err2019-02-21
err7
errOAAI
errStavert, Ann R.; Law, Rachel M.; van der Schoot, Marcel; Langenfelds, Ray L.; Spencer, Darren A.; Krummel, Paul B.; Chambers, Scott D.; Williams, Alistair G.; Werczynski, Sylvester; Francey, Roger J.; Howden, Russell T.
errShare
errSave
Continued increase of CFC-113a (CCl3CF3) mixing ratios in the global atmosphere: emissions, occurrence and potential sources
err2018-04-09
err22
errOAAI
errAdcock, Karina E.; Reeves, Claire E.; Gooch, Lauren J.; Elvidge, Emma C. Leedham; Ashfold, Matthew J.; Brenninkmeijer, Carl A. M.; Chou, Charles; Fraser, Paul J.; Langenfelds, Ray L.; Hanif, Norfazrin Mohd; O'Doherty, Simon; Oram, David E.; Ou-Yang, Chang-Feng; Phang, Siew Moi; Abu Samah, Azizan; Rockmann, Thomas; Sturges, William T.; Laube, Johannes C.
errShare
errSave
Evaluation of stratospheric age of air from CF4, C2F6, C3F8, CHF3, HFC-125, HFC-227ea and SF6; implications for the calculations of halocarbon lifetimes, fractional release factors and ozone depletion potentials
err2018-03-08
err25
errOAAI
errElvidge, Emma Leedham; Boenisch, Harald; Brenninkmeijer, Carl A. M.; Engel, Andreas; Fraser, Paul J.; Gallacher, Eileen; Langenfelds, Ray; Muhle, Jens; Oram, David E.; Ray, Eric A.; Ridley, Anna R.; Rockmann, Thomas; Sturges, William T.; Weiss, Ray F.; Laube, Johannes C.
errShare
errSave
Atmospheric histories and emissions of chlorofluorocarbons CFC-13 (CClF3), ΣCFC-114 (C2Cl2F4), and CFC-115 (C2ClF5)
err2018-01-25
err42
errOAAI
errVollmer, Martin K.; Young, Dickon; Trudinger, Cathy M.; Muhle, Jens; Henne, Stephan; Rigby, Matthew; Park, Sunyoung; Li, Shanlan; Guillevic, Myriam; Mitrevski, Blagoj; Harth, Christina M.; Miller, Benjamin R.; Reimann, Stefan; Yao, Bo; Steele, L. Paul; Wyss, Simon A.; Lunder, Chris R.; Arduini, Jgor; McCulloch, Archie; Wu, Songhao; Rhee, Tae Siek; Wang, Ray H. J.; Salameh, Peter K.; Hermansen, Ove; Hill, Matthias; Langenfelds, Ray L.; Ivy, Diane; O'Doherty, Simon; Krummel, Paul B.; Maione, Michela; Etheridge, David M.; Zhou, Lingxi; Fraser, Paul J.; Prinn, Ronald G.; Weiss, Ray F.; Simmonds, Peter G.
errShare
errSave