Zobrazeno 1 - 10
of 140
pro vyhledávání: '"R.-S. Gao"'
A lightweight broadband cavity-enhanced spectrometer for NO2 measurement on uncrewed aerial vehicles
Autor:
C. C. Womack, S. S. Brown, S. J. Ciciora, R.-S. Gao, R. J. McLaughlin, M. A. Robinson, Y. Rudich, R. A. Washenfelder
Publikováno v:
Atmospheric Measurement Techniques, Vol 15, Pp 6643-6652 (2022)
We describe the design and performance of a lightweight broadband cavity-enhanced spectrometer for measurement of NO2 on uncrewed aerial vehicles and light aircraft. The instrument uses a light-emitting diode (LED) centered at 457 nm, high-finesse mi
Externí odkaz:
https://doaj.org/article/2c97a8d078ed45b1a54ce7748b21ab95
Autor:
I. Bourgeois, J. Peischl, C. R. Thompson, K. C. Aikin, T. Campos, H. Clark, R. Commane, B. Daube, G. W. Diskin, J. W. Elkins, R.-S. Gao, A. Gaudel, E. J. Hintsa, B. J. Johnson, R. Kivi, K. McKain, F. L. Moore, D. D. Parrish, R. Querel, E. Ray, R. Sánchez, C. Sweeney, D. W. Tarasick, A. M. Thompson, V. Thouret, J. C. Witte, S. C. Wofsy, T. B. Ryerson
Publikováno v:
Atmospheric Chemistry and Physics, Vol 20, Pp 10611-10635 (2020)
Ozone is a key constituent of the troposphere, where it drives photochemical processes, impacts air quality, and acts as a climate forcer. Large-scale in situ observations of ozone commensurate with the grid resolution of current Earth system models
Externí odkaz:
https://doaj.org/article/e8cdef94390d4ddfa0947f719bf68eb6
Publikováno v:
Atmospheric Measurement Techniques, Vol 13, Pp 2425-2439 (2020)
We describe a newly developed single-photon laser-induced fluorescence sensor for measurements of nitric oxide (NO) in the atmosphere. Rapid tuning of a narrow-band laser on and off of a rotationally resolved NO spectral feature near 215 nm and det
Externí odkaz:
https://doaj.org/article/af91db94c3f34e9383a198313db162e9
Autor:
C. A. Brock, C. Williamson, A. Kupc, K. D. Froyd, F. Erdesz, N. Wagner, M. Richardson, J. P. Schwarz, R.-S. Gao, J. M. Katich, P. Campuzano-Jost, B. A. Nault, J. C. Schroder, J. L. Jimenez, B. Weinzierl, M. Dollner, T. Bui, D. M. Murphy
Publikováno v:
Atmospheric Measurement Techniques, Vol 12, Pp 3081-3099 (2019)
From 2016 to 2018 a DC-8 aircraft operated by the US National Aeronautics and Space Administration (NASA) made four series of flights, profiling the atmosphere from 180 m to ∼12 km above sea level (km a.s.l.) from the Arctic to the Antarctic
Externí odkaz:
https://doaj.org/article/0922706905224d26a49f2baeaa2a8d8f
Publikováno v:
Atmospheric Measurement Techniques, Vol 10, Iss 5, Pp 1755-1768 (2017)
Real-time, single-particle fluorescence instruments used to detect atmospheric bioaerosol particles are increasingly common, yet no standard fluorescence calibration method exists for this technique. This gap limits the utility of these instruments a
Externí odkaz:
https://doaj.org/article/b1191ef6ff8649d382597f06c63ca685
Autor:
J. Stutz, B. Werner, M. Spolaor, L. Scalone, J. Festa, C. Tsai, R. Cheung, S. F. Colosimo, U. Tricoli, R. Raecke, R. Hossaini, M. P. Chipperfield, W. Feng, R.-S. Gao, E. J. Hintsa, J. W. Elkins, F. L. Moore, B. Daube, J. Pittman, S. Wofsy, K. Pfeilsticker
Publikováno v:
Atmospheric Measurement Techniques, Vol 10, Iss 3, Pp 1017-1042 (2017)
Observations of atmospheric trace gases in the tropical upper troposphere (UT), tropical tropopause layer (TTL), and lower stratosphere (LS) require dedicated measurement platforms and instrumentation. Here we present a new limb-scanning Differential
Externí odkaz:
https://doaj.org/article/00465b5ab436430ea92f420f5d951a8c
Autor:
B. Werner, J. Stutz, M. Spolaor, L. Scalone, R. Raecke, J. Festa, S. F. Colosimo, R. Cheung, C. Tsai, R. Hossaini, M. P. Chipperfield, G. S. Taverna, W. Feng, J. W. Elkins, D. W. Fahey, R.-S. Gao, E. J. Hintsa, T. D. Thornberry, F. L. Moore, M. A. Navarro, E. Atlas, B. C. Daube, J. Pittman, S. Wofsy, K. Pfeilsticker
Publikováno v:
Atmospheric Chemistry and Physics, Vol 17, Iss 2, Pp 1161-1186 (2017)
We report measurements of CH4 (measured in situ by the Harvard University Picarro Cavity Ringdown Spectrometer (HUPCRS) and NOAA Unmanned Aircraft System Chromatograph for Atmospheric Trace Species (UCATS) instruments), O3 (measured in situ by the NO
Externí odkaz:
https://doaj.org/article/66a98a37435d493d831944116d6633fd
Autor:
A. W. Rollins, T. D. Thornberry, S. J. Ciciora, R. J. McLaughlin, L. A. Watts, T. F. Hanisco, E. Baumann, F. R. Giorgetta, T. V. Bui, D. W. Fahey, R.-S. Gao
Publikováno v:
Atmospheric Measurement Techniques, Vol 9, Iss 9, Pp 4601-4613 (2016)
This work describes the development and testing of a new instrument for in situ measurements of sulfur dioxide (SO2) on airborne platforms in the upper troposphere and lower stratosphere (UT–LS). The instrument is based on the laser-induced fluores
Externí odkaz:
https://doaj.org/article/a741880e1c1b4f36a561c07da9b8f133
Autor:
G. de Boer, S. Palo, B. Argrow, G. LoDolce, J. Mack, R.-S. Gao, H. Telg, C. Trussel, J. Fromm, C. N. Long, G. Bland, J. Maslanik, B. Schmid, T. Hock
Publikováno v:
Atmospheric Measurement Techniques, Vol 9, Iss 4, Pp 1845-1857 (2016)
This paper presents details of the University of Colorado (CU) “Pilatus” unmanned research aircraft, assembled to provide measurements of aerosols, radiation and thermodynamics in the lower troposphere. This aircraft has a wingspan of 3.2 m and a
Externí odkaz:
https://doaj.org/article/7ffcf8e86f70404d9a64a408c6ab3eb6
Autor:
S. Kaufmann, C. Voigt, T. Jurkat, T. Thornberry, D. W. Fahey, R.-S. Gao, R. Schlage, D. Schäuble, M. Zöger
Publikováno v:
Atmospheric Measurement Techniques, Vol 9, Iss 3, Pp 939-953 (2016)
In the upper troposphere and lower stratosphere (UTLS), the accurate quantification of low water vapor concentrations has presented a significant measurement challenge. The instrumental uncertainties are passed on to estimates of H2O transport, cloud
Externí odkaz:
https://doaj.org/article/4c836d1c89264188b2b5ab64f7f21c1a