| Year |
Citation |
Score |
| 2020 |
Kuang S, Wang B, Newchurch MJ, Tucker P, Eloranta EW, Garcia JP, Razenkov I, Sullivan JT, Berkoff TA, Gronoff G, Lei L, Senff CJ, Langford AO, Leblanc T, Natraj V. Evaluation of UV Aerosol Retrievals from an Ozone Lidar Atmospheric Measurement Techniques Discussions. 1-20. DOI: 10.5194/Amt-2020-40 |
0.377 |
|
| 2020 |
Zhang L, Lin M, Langford AO, Horowitz LW, Senff CJ, Klovenski E, Wang Y, Ii RJA, Petropavlovskikh I, Cullis P, Sterling CW, Peischl J, Ryerson TB, Brown SS, Decker ZCJ, et al. Characterizing sources of high surface ozone events in the southwestern U.S. with intensive field measurements and two global models Atmospheric Chemistry and Physics. 20: 1-47. DOI: 10.5194/Acp-2019-990 |
0.408 |
|
| 2019 |
Langford AO, Ii RJA, Kirgis G, Senff CJ, Caputi D, Conley SA, Faloona IC, Iraci LT, Marrero JE, McNamara ME, Ryoo J, Yates EL. Intercomparison of lidar, aircraft, and surface ozone measurements in the San Joaquin Valley during the California Baseline Ozone Transport Study (CABOTS) Atmospheric Measurement Techniques. 12: 1889-1904. DOI: 10.5194/Amt-12-1889-2019 |
0.403 |
|
| 2018 |
Leblanc T, Brewer MA, Wang PS, Granados-Muñoz MJ, Strawbridge KB, Travis M, Firanski B, Sullivan JT, McGee TJ, Sumnicht GK, Twigg LW, Berkoff TA, Carrion W, Gronoff G, Aknan A, ... ... Langford AO, et al. Validation of the TOLNet lidars: the Southern California Ozone Observation Project (SCOOP) Atmospheric Measurement Techniques. 11: 6137-6162. DOI: 10.5194/Amt-11-6137-2018 |
0.369 |
|
| 2018 |
Langford A, Alvarez R, Brioude J, Evan S, Iraci L, Kirgis G, Kuang S, Leblanc T, Newchurch M, Pierce R, Senff C, Yates E. Coordinated profiling of stratospheric intrusions and transported pollution by the Tropospheric Ozone Lidar Network (TOLNet) and NASA Alpha Jet experiment (AJAX): Observations and comparison to HYSPLIT, RAQMS, and FLEXPART Atmospheric Environment. 174: 1-14. DOI: 10.1016/J.Atmosenv.2017.11.031 |
0.373 |
|
| 2017 |
Wang L, Newchurch MJ, Alvarez RJ, Berkoff TA, Brown SS, Carrion W, De Young RJ, Johnson BJ, Ganoe R, Gronoff G, Kirgis G, Kuang S, Langford AO, Leblanc T, McDuffie EE, et al. Quantifying TOLNet Ozone Lidar Accuracy during the 2014 DISCOVER-AQ and FRAPPÉ Campaigns. Atmospheric Measurement Techniques. 10: 3865-3876. PMID 32742525 DOI: 10.5194/Amt-10-3865-2017 |
0.411 |
|
| 2017 |
Langford AO, Alvarez RJ, Brioude J, Fine R, Gustin MS, Lin MY, Marchbanks RD, Pierce RB, Sandberg SP, Senff CJ, Weickmann AM, Williams EJ. Entrainment of stratospheric air and Asian pollution by the convective boundary layer in the southwestern U.S. Journal of Geophysical Research: Atmospheres. 122: 1312-1337. DOI: 10.1002/2016Jd025987 |
0.384 |
|
| 2016 |
Ott LE, Duncan BN, Thompson AM, Diskin G, Fasnacht Z, Langford AO, Lin M, Molod AM, Nielsen JE, Pusede SE, Wargan K, Weinheimer AJ, Yoshida Y. Frequency and Impact of Summertime Stratospheric Intrusions over Maryland during DISCOVER-AQ (2011): New Evidence from NASA's GEOS-5 Simulations. Journal of Geophysical Research. Atmospheres : Jgr. 3687-3706. PMID 32021738 DOI: 10.1002/2015Jd024052 |
0.339 |
|
| 2016 |
Min KE, Washenfelder RA, Dubé WP, Langford AO, Edwards PM, Zarzana KJ, Stutz J, Lu K, Rohrer F, Zhang Y, Brown SS. A broadband cavity enhanced absorption spectrometer for aircraft measurements of glyoxal, methylglyoxal, nitrous acid, nitrogen dioxide, and water vapor Atmospheric Measurement Techniques. 9: 423-440. DOI: 10.5194/Amt-9-423-2016 |
0.324 |
|
| 2016 |
McDuffie EE, Edwards PM, Gilman JB, Lerner BM, Dubé WP, Trainer M, Wolfe DE, Angevine WM, deGouw J, Williams EJ, Tevlin AG, Murphy JG, Fischer EV, McKeen S, Ryerson TB, ... ... Langford AO, et al. Influence of oil and gas emissions on summertime ozone in the Colorado Northern Front Range Journal of Geophysical Research: Atmospheres. 121: 8712-8729. DOI: 10.1002/2016Jd025265 |
0.39 |
|
| 2016 |
Sullivan JT, McGee TJ, Langford AO, Alvarez RJ, Senff CJ, Reddy PJ, Thompson AM, Twigg LW, Sumnicht GK, Lee P, Weinheimer A, Knote C, Long RW, Hoff RM. Quantifying the contribution of thermally driven recirculation to a high-ozone event along the Colorado Front Range using lidar Journal of Geophysical Research: Atmospheres. 121: 10,377-10,390. DOI: 10.1002/2016Jd025229 |
0.396 |
|
| 2015 |
Cooper OR, Langford AO, Parrish DD, Fahey DW. Challenges of a lowered U.S. ozone standard Science. 348: 1096-1097. PMID 26045425 DOI: 10.1126/Science.Aaa5748 |
0.33 |
|
| 2015 |
Lin M, Fiore AM, Horowitz LW, Langford AO, Oltmans SJ, Tarasick D, Rieder HE. Climate variability modulates western US ozone air quality in spring via deep stratospheric intrusions. Nature Communications. 6: 7105. PMID 25964012 DOI: 10.1038/Ncomms8105 |
0.339 |
|
| 2015 |
Ahmadov R, McKeen S, Trainer M, Banta R, Brewer A, Brown S, Edwards PM, De Gouw JA, Frost GJ, Gilman J, Helmig D, Johnson B, Karion A, Koss A, Langford A, et al. Understanding high wintertime ozone pollution events in an oil- and natural gas-producing region of the western US Atmospheric Chemistry and Physics. 15: 411-429. DOI: 10.5194/Acp-15-411-2015 |
0.373 |
|
| 2015 |
Baidar S, Hardesty RM, Kim SW, Langford AO, Oetjen H, Senff CJ, Trainer M, Volkamer R. Weakening of the weekend ozone effect over California's South Coast Air Basin Geophysical Research Letters. 42: 9457-9464. DOI: 10.1002/2015Gl066419 |
0.387 |
|
| 2015 |
Langford AO, Pierce RB, Schultz PJ. Stratospheric intrusions, the Santa Ana winds, and wildland fires in Southern California Geophysical Research Letters. DOI: 10.1002/2015Gl064964 |
0.322 |
|
| 2014 |
Edwards PM, Brown SS, Roberts JM, Ahmadov R, Banta RM, deGouw JA, Dubé WP, Field RA, Flynn JH, Gilman JB, Graus M, Helmig D, Koss A, Langford AO, Lefer BL, et al. High winter ozone pollution from carbonyl photolysis in an oil and gas basin. Nature. 514: 351-4. PMID 25274311 DOI: 10.1038/Nature13767 |
0.332 |
|
| 2014 |
Langford AO, Senff CJ, Alvarez RJ, Brioude J, Cooper OR, Holloway JS, Lin MY, Marchbanks RD, Pierce RB, Sandberg SP, Weickmann AM, Williams EJ. An overview of the 2013 Las Vegas Ozone Study (LVOS): Impact of stratospheric intrusions and long-range transport on surface air quality Atmospheric Environment. DOI: 10.1016/J.Atmosenv.2014.08.040 |
0.417 |
|
| 2013 |
Berlin SR, Langford AO, Estes M, Dong M, Parrish DD. Magnitude, decadal changes, and impact of regional background ozone transported into the greater Houston, Texas, area. Environmental Science & Technology. 47: 13985-92. PMID 24246133 DOI: 10.1021/Es4037644 |
0.387 |
|
| 2013 |
Ryerson TB, Andrews AE, Angevine WM, Bates TS, Brock CA, Cairns B, Cohen RC, Cooper OR, De Gouw JA, Fehsenfeld FC, Ferrare RA, Fischer ML, Flagan RC, Goldstein AH, Hair JW, ... ... Langford AO, et al. The 2010 California Research at the Nexus of Air Quality and Climate Change (CalNex) field study Journal of Geophysical Research: Atmospheres. 118: 5830-5866. DOI: 10.1002/Jgrd.50331 |
0.349 |
|
| 2012 |
Lin M, Fiore AM, Cooper OR, Horowitz LW, Langford AO, Levy H, Johnson BJ, Naik V, Oltmans SJ, Senff CJ. Springtime high surface ozone events over the western United States: Quantifying the role of stratospheric intrusions Journal of Geophysical Research: Atmospheres. 117. DOI: 10.1029/2012Jd018151 |
0.377 |
|
| 2012 |
Langford AO, Brioude J, Cooper OR, Senff CJ, Alvarez RJ, Hardesty RM, Johnson BJ, Oltmans SJ. Stratospheric influence on surface ozone in the Los Angeles area during late spring and early summer of 2010 Journal of Geophysical Research: Atmospheres. 117. DOI: 10.1029/2011Jd016766 |
0.414 |
|
| 2011 |
Alvarez IJ, Senff CJ, Langford AO, Weickmann AM, Law DC, Machol JL, Merritt DA, Marchbanks RD, Sandberg SP, Brewer WA, Hardesty RM, Banta RM. Development and application of a compact, tunable, solid-state airborne lidar system for boundary layer profiling Journal of Atmospheric and Oceanic Technology. 28: 1258-1272. DOI: 10.1175/Jtech-D-10-05044.1 |
0.335 |
|
| 2011 |
Langford AO, Senff CJ, Alvarez RJ, Banta RM, Hardesty RM, Parrish DD, Ryerson TB. Comparison between the TOPAZ airborne ozone lidar and in situ measurements during TexAQs 2006 Journal of Atmospheric and Oceanic Technology. 28: 1243-1257. DOI: 10.1175/Jtech-D-10-05043.1 |
0.309 |
|
| 2011 |
Banta RM, Senff CJ, Alvarez RJ, Langford AO, Parrish DD, Trainer MK, Darby LS, Michael Hardesty R, Lambeth B, Andrew Neuman J, Angevine WM, Nielsen-Gammon J, Sandberg SP, White AB. Dependence of daily peak O3 concentrations near Houston, Texas on environmental factors: Wind speed, temperature, and boundary-layer depth Atmospheric Environment. 45: 162-173. DOI: 10.1016/J.Atmosenv.2010.09.030 |
0.367 |
|
| 2010 |
Langford AO, Senff CJ, Alvarez RJ, Banta RM, Hardesty RM. Long‐range transport of ozone from the Los Angeles Basin: A case study Geophysical Research Letters. 37. DOI: 10.1029/2010Gl042507 |
0.365 |
|
| 2010 |
Senff CJ, Alvarez RJ, Hardesty RM, Banta RM, Langford AO. Airborne lidar measurements of ozone flux downwind of Houston and Dallas Journal of Geophysical Research: Atmospheres. 115. DOI: 10.1029/2009Jd013689 |
0.394 |
|
| 2010 |
Langford AO, Tucker SC, Senff CJ, Banta RM, Brewer WA, Alvarez RJ, Hardesty RM, Lerner BM, Williams EJ. Convective venting and surface ozone in Houston during TexAQS 2006 Journal of Geophysical Research: Atmospheres. 115. DOI: 10.1029/2009Jd013301 |
0.401 |
|
| 2010 |
Tucker SC, Banta RM, Langford AO, Senff CJ, Brewer WA, Williams EJ, Lerner BM, Osthoff HD, Hardesty RM. Relationships of coastal nocturnal boundary layer winds and turbulence to Houston ozone concentrations during TexAQS 2006 Journal of Geophysical Research: Atmospheres. 115. DOI: 10.1029/2009Jd013169 |
0.373 |
|
| 2009 |
Langford AO, Senff CJ, Banta RM, Hardesty RM, Alvarez RJ, Sandberg SP, Darby LS. Regional and local background ozone in Houston during Texas air quality study 2006 Journal of Geophysical Research: Atmospheres. 114. DOI: 10.1029/2008Jd011687 |
0.356 |
|
| 2008 |
Washenfelder RA, Langford AO, Fuchs H, Brown SS. Measurement of glyoxal using an incoherent broadband cavity enhanced absorption spectrometer Atmospheric Chemistry and Physics. 8: 7779-7793. DOI: 10.5194/Acp-8-7779-2008 |
0.382 |
|
| 2008 |
Melamed ML, Langford AO, Daniel JS, Portmann RW, Miller HL, Eubank CS, Schofield R, Holloway J, Solomon S. Sulfur dioxide emission flux measurements from point sources using airborne near ultraviolet spectroscopy during the New England Air Quality Study 2004 Journal of Geophysical Research: Atmospheres. 113. DOI: 10.1029/2007Jd008923 |
0.393 |
|
| 2006 |
Schwarz JP, Gao RS, Fahey DW, Thomson DS, Watts LA, Wilson JC, Reeves JM, Darbeheshti M, Baumgardner DG, Kok GL, Chung SH, Schulz M, Hendricks J, Lauer A, Kärcher B, ... ... Langford AO, et al. Single-particle measurements of midlatitude black carbon and light-scattering aerosols from the boundary layer to the lower stratosphere Journal of Geophysical Research: Atmospheres. 111. DOI: 10.1029/2006Jd007076 |
0.301 |
|
| 2004 |
Langford AO, Portmann RW, Daniel JS, Miller HL, Solomon S. Spectroscopic measurements of NO2 in a Colorado thunderstorm: Determination of the mean production by cloud-to-ground lightning flashes Journal of Geophysical Research D: Atmospheres. 109: D11304 1-16. DOI: 10.1029/2003Jd004158 |
0.335 |
|
| 2004 |
Sierk B, Solomon S, Daniel JS, Portmann RW, Gutman SI, Langford AO, Eubank CS, Dutton EG, Holub KH. Field measurements of water vapor continuum absorption in the visible and near-infrared Journal of Geophysical Research D: Atmospheres. 109: D08307 1-20. DOI: 10.1029/2003Jd003586 |
0.308 |
|
| 2003 |
Hawes AK, Solomon S, Portmann RW, Daniel JS, Langford AO, Miller HL, Eubank CS, Goldan P, Wiedinmyer C, Atlas E, Hansel A, Wisthaler A. Airborne observations of vegetation and implications for biogenic emission characterization Journal of Environmental Monitoring. 5: 977-983. PMID 14710942 DOI: 10.1039/B308911H |
0.356 |
|
| 2003 |
Melamed ML, Solomon S, Daniel JS, Langford AO, Portmann RW, Ryerson TB, Nicks DK, McKeen SA. Measuring reactive nitrogen emissions from point sources using visible spectroscopy from aircraft Journal of Environmental Monitoring. 5: 29-34. PMID 12619753 DOI: 10.1039/B204220G |
0.376 |
|
| 2003 |
Daniel JS, Solomon S, Miller HL, Langford AO, Portmann RW, Eubank CS. Retrieving cloud information from passive measurements of solar radiation absorbed by molecular oxygen and O2-O2 Journal of Geophysical Research D: Atmospheres. 108: AAC 3-1 - AAC 3-12. DOI: 10.1029/2002Jd002994 |
0.359 |
|
| 2003 |
Sierk B, Solomon S, Daniel JS, Portmann RW, Gutman SI, Langford AO, Eubank CS, Holub KH, Florek SV. Field test of spectral line intensity parameters for tropospheric water vapor Journal of Geophysical Research: Atmospheres. 108: ACH 2-1 - ACH 2-13. DOI: 10.1029/2002Jd002985 |
0.313 |
|
| 1997 |
Proffitt MH, Langford AO. Ground-based differential absorption lidar system for day or night measurements of ozone throughout the free troposphere. Applied Optics. 36: 2568-85. PMID 18253247 DOI: 10.1364/Ao.36.002568 |
0.356 |
|
| 1996 |
Langford AO, Masters CD, Proffitt MH, Hsie EY, Tuck AF. Ozone measurements in a tropopause fold associated with a cut-off low system Geophysical Research Letters. 23: 2501-2504. DOI: 10.1029/96Gl02227 |
0.365 |
|
| 1995 |
Langford AO, O'Leary TJ, Proffitt MH, Hitchman MH. Transport of the Pinatubo volcanic aerosol to a northern midlatitude site Journal of Geophysical Research. 100: 9007-9016. DOI: 10.1029/95Jd00384 |
0.327 |
|
| 1994 |
Hofmann DJ, Oltmans SJ, Komhyr WD, Harris JM, Lathrop JA, Langford AO, Deshler T, Johnson BJ, Torres A, Matthews WA. Ozone loss in the lower stratosphere over the United States in 1992-1993: Evidence for heterogeneous chemistry on the Pinatubo aerosol Geophysical Research Letters. 21: 65-68. DOI: 10.1029/93Gl02526 |
0.394 |
|
| 1993 |
Mills MJ, Langford AO, O'Leary TJ, Arpag K, Miller HL, Proffitt MH, Sanders RW, Solomon S. On the relationship between stratospheric aerosols and nitrogen dioxide Geophysical Research Letters. 20: 1187-1190. DOI: 10.1029/93Gl01124 |
0.363 |
|
| 1992 |
Williams EJ, Sandholm ST, Bradshaw JD, Schendel JS, Langford AO, Quinn PK, LeBel PJ, Vay SA, Roberts PD, Norton RB, Watkins BA, Buhr MP, Parrish DD, Calvert JG, Fehsenfeld FC. An intercomparison of five ammonia measurement techniques Journal of Geophysical Research. 97: 11591-11611. DOI: 10.1029/92Jd00721 |
0.375 |
|
| 1992 |
Langford AO, Fehsenfeld FC, Zachariassen J, Schimel DS. Gaseous ammonia fluxes and background concentrations in terrestrial ecosystems of the United States Global Biogeochemical Cycles. 6: 459-483. DOI: 10.1029/92Gb02123 |
0.342 |
|
| 1992 |
Post MJ, Grund CJ, Langford AO, Proffitt MH. Observations of Pinatubo ejecta over Boulder, Colorado by lidars of three different wavelengths Geophysical Research Letters. 19: 195-198. DOI: 10.1029/91Gl02794 |
0.307 |
|
| 1987 |
Dressler RA, Meyer H, Langford AO, Bierbaum VM, Leone SR. Direct observation of Ba+ velocity distributions in a drift tube using single-frequency laser-induced fluorescence Journal of Chemical Physics. 87: 5578-5579. DOI: 10.1063/1.453642 |
0.482 |
|
| 1987 |
Fehsenfeld FC, Dickerson RR, Hübler G, Luke WT, Nunnermacker LJ, Williams EJ, Roberts JM, Calvert JG, Curran CM, Delany AC, Eubank CS, Fahey DW, Fried A, Gandrud BW, Langford AO, et al. A ground‐based intercomparison of NO, NO x , and NO y measurement techniques Journal of Geophysical Research. 92: 14710-14722. DOI: 10.1029/Jd092Id12P14710 |
0.331 |
|
| 1986 |
Langford AO, Bierbaum VM, Leone SR. Branching ratios for electronically excited oxygen atoms formed in the reaction of N+ with O2 at 300 K Journal of Chemical Physics. 84: 2158-2166. DOI: 10.1063/1.450377 |
0.545 |
|
| 1985 |
Langford AO, Bierbaum VM, Leone SR. Flowing afterglow infrared chemiluminescence studies of vibrational energy disposal in the ion–molecule reactions F−+HBr,DBr→HF,DF+Br− Journal of Chemical Physics. 83: 3913-3918. DOI: 10.1063/1.449102 |
0.498 |
|
| 1985 |
Langford AO, Bierbaum VM, Leone SR. Auroral implications of recent measurements on O(1S) and O(1S) formation in the reaction of N+ with O2 Planetary and Space Science. 33: 1225-1228. DOI: 10.1016/0032-0633(85)90078-9 |
0.516 |
|
| 1984 |
Langford AO, Moore CB. Collision complex formation in the reactions of formyl radicals with nitric oxide and oxygen Journal of Chemical Physics. 80: 4211-4221. DOI: 10.1063/1.447252 |
0.613 |
|
| 1984 |
Langford AO, Moore CB. Reaction and relaxation of vibrationally excited formyl radicals Journal of Chemical Physics. 80: 4204-4210. DOI: 10.1063/1.447251 |
0.595 |
|
| 1983 |
Langford AO, Petek H, Moore CB. Collisional removal of CH2(1A1): Absolute rate constants for atomic and molecular collisional partners at 295 K Journal of Chemical Physics. 78: 6650-6659. DOI: 10.1063/1.444664 |
0.637 |
|
| 1983 |
Langford AO, Petek H, Moore CB. Collisional removal of CH2(1A1): Absolute rate constants for atomic and molecular collisional partners at 295 K The Journal of Chemical Physics. 78: 6650-6659. |
0.443 |
|
| 1979 |
Ravishankara AR, Wine PH, Langford AO. Absolute rate constant for the reaction OH + HBr → H2O + Br Chemical Physics Letters. 63: 479-484. DOI: 10.1016/0009-2614(79)80694-6 |
0.422 |
|
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