Zobrazeno 1 - 10
of 205
pro vyhledávání: '"C A, McElroy"'
Publikováno v:
Atmospheric Measurement Techniques, Vol 16, Pp 4785-4806 (2023)
Brewer ozone spectrophotometers have become an integral part of the global ground-based ozone monitoring network collecting data since the early 1980s. The double-monochromator Brewer version (MkIII) was introduced in 1992. With the Brewer hardware b
Externí odkaz:
https://doaj.org/article/674be8dbf840487f8574a44447ee6b16
Autor:
V. Fioletov, X. Zhao, I. Abboud, M. Brohart, A. Ogyu, R. Sit, S. C. Lee, I. Petropavlovskikh, K. Miyagawa, B. J. Johnson, P. Cullis, J. Booth, G. McConville, C. T. McElroy
Publikováno v:
Atmospheric Chemistry and Physics, Vol 23, Pp 12731-12751 (2023)
The Antarctic polar vortex creates unique chemical and dynamical conditions when the stratospheric air over Antarctica is isolated from the rest of the stratosphere. As a result, stratospheric ozone within the vortex remains largely unchanged for a 5
Externí odkaz:
https://doaj.org/article/13a7665b606b4940a7fe7c1da4cb7bc4
Autor:
C. Mapelli, J. K. Donnelly, Ú. E. Hogan, A. R. Rickard, A. T. Robinson, F. Byrne, C. R. McElroy, B. F. E. Curchod, D. Hollas, T. J. Dillon
Publikováno v:
Atmospheric Chemistry and Physics, Vol 23, Pp 7767-7779 (2023)
Lab-based experimental and computational methods were used to study the atmospheric degradation of two promising “green” solvents: pinacolone, (CH3)3CC(O)CH3, and methyl pivalate, (CH3)3CC(O)OCH3. Pulsed laser photolysis coupled to pulsed laser-i
Externí odkaz:
https://doaj.org/article/bd9747a9efcc4f4e946063d1cb8addd5
Autor:
P. S. Jeffery, K. A. Walker, C. E. Sioris, C. D. Boone, D. Degenstein, G. L. Manney, C. T. McElroy, L. Millán, D. A. Plummer, N. J. Ryan, P. E. Sheese, J. Zou
Publikováno v:
Atmospheric Chemistry and Physics, Vol 22, Pp 14709-14734 (2022)
This study presents upper troposphere–lower stratosphere (UTLS) water vapour and ozone climatologies generated from 14 years (June 2004 to May 2018) of measurements made by three Canadian limb-viewing satellite instruments: the Atmospheric Chemistr
Externí odkaz:
https://doaj.org/article/3c75367998884daf8b77d4cae1ba9be9
Autor:
C. Mapelli, J. V. Schleicher, A. Hawtin, C. D. Rankine, F. C. Whiting, F. Byrne, C. R. McElroy, C. Roman, C. Arsene, R. I. Olariu, I. G. Bejan, T. J. Dillon
Publikováno v:
Atmospheric Chemistry and Physics, Vol 22, Pp 14589-14602 (2022)
The atmospheric chemistry of 2,2,5,5-tetramethyloxolane (TMO), a promising “green” solvent replacement for toluene, was investigated in laboratory-based experiments and computational calculations. Results from both absolute and relative rate stud
Externí odkaz:
https://doaj.org/article/f5a22c6cb4df4948889e11d46039dd02
Autor:
P. E. Sheese, K. A. Walker, C. D. Boone, A. E. Bourassa, D. A. Degenstein, L. Froidevaux, C. T. McElroy, D. Murtagh, J. M. Russell III, J. Zou
Publikováno v:
Atmospheric Measurement Techniques, Vol 15, Pp 1233-1249 (2022)
For the past 17 years, the Atmospheric Chemistry Experiment Fourier Transform Spectrometer (ACE-FTS) instrument on the Canadian SCISAT satellite has been measuring profiles of atmospheric ozone. The latest operational versions of the level 2 ozone da
Externí odkaz:
https://doaj.org/article/03081a4376da4266a43a6b2da2ba4cc8
Autor:
Ray Nassar, Chris McLinden, Christopher E. Sioris, C. T. McElroy, Joseph Mendonca, Johanna Tamminen, Cameron G. MacDonald, Cristen Adams, Céline Boisvenue, Adam Bourassa, Ryan Cooney, Doug Degenstein, Guillaume Drolet, Louis Garand, Ralph Girard, Markey Johnson, Dylan B.A. Jones, Felicia Kolonjari, Bruce Kuwahara, Randall V. Martin, Charles E. Miller, Norman O’Neill, Aku Riihelä, Sébastien Roche, Stanley P. Sander, William R. Simpson, Gurpreet Singh, Kimberly Strong, Alexander P. Trishchenko, Helena van Mierlo, Zahra Vaziri Zanjani, Kaley A. Walker, Debra Wunch
Publikováno v:
Canadian Journal of Remote Sensing, Vol 45, Iss 3-4, Pp 423-442 (2019)
AIM-North is a proposed satellite mission that would provide observations of unprecedented frequency and density for monitoring northern greenhouse gases (GHGs), air quality (AQ) and vegetation. AIM-North would consist of two satellites in a highly e
Externí odkaz:
https://doaj.org/article/bea1eaa11e724d9f81977ffae07d9fbc
Autor:
D. Weaver, K. Strong, K. A. Walker, C. Sioris, M. Schneider, C. T. McElroy, H. Vömel, M. Sommer, K. Weigel, A. Rozanov, J. P. Burrows, W. G. Read, E. Fishbein, G. Stiller
Publikováno v:
Atmospheric Measurement Techniques, Vol 12, Pp 4039-4063 (2019)
Improving measurements of water vapour in the upper troposphere and lower stratosphere (UTLS) is a priority for the atmospheric science community. In this work, UTLS water vapour profiles derived from Atmospheric Chemistry Experiment (ACE) satellite
Externí odkaz:
https://doaj.org/article/26720667fdab4c74b59c5686afb09c66
Autor:
O. Moeini, Z. Vaziri Zanjani, C. T. McElroy, D. W. Tarasick, R. D. Evans, I. Petropavlovskikh, K.-H. Feng
Publikováno v:
Atmospheric Measurement Techniques, Vol 12, Pp 327-343 (2019)
Dobson and Brewer spectrophotometers are the primary, standard instruments for ground-based ozone measurements under the World Meteorological Organization's (WMO) Global Atmosphere Watch program. The accuracy of the data retrieval for both instrument
Externí odkaz:
https://doaj.org/article/3ec4d3858a294c0cbd44295bb94e0f47
Publikováno v:
Analytical Methods. 15:596-605
Four sustainable esters are recommended in the replacement of DCM in TLC applications wherein the specific and non-specific molecular interactions underlying these measurements are quantified using a rigorous statistical thermodynamic framework.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5a5e2e1f8ff58bc53868598c4e1ba74c
https://doi.org/10.1039/d2ay01266a
https://doi.org/10.1039/d2ay01266a