Zobrazeno 1 - 10
of 71
pro vyhledávání: '"D M O'Brien"'
Publikováno v:
Atmospheric Measurement Techniques, Vol 9, Iss 9, Pp 4633-4654 (2016)
This paper describes a numerical experiment to test the ability of the proposed geoCARB satellite to estimate emissions of trace gases (CO2, CH4 and CO) in the polluted urban environment of Shanghai. The meteorology over Shanghai is simulated with th
Externí odkaz:
https://doaj.org/article/d1aad4ac3a344c33857f9793c1bdc7fe
Publikováno v:
Atmospheric Measurement Techniques, Vol 8, Iss 11, Pp 4917-4930 (2015)
Current and proposed space missions estimate column-averaged concentrations of trace gases (CO2, CH4 and CO) from high resolution spectra of reflected sunlight in absorption bands of the gases. The radiance leaving the top of the atmosphere is partia
Externí odkaz:
https://doaj.org/article/6c2f2ec5a43b426b874e1a36c1983be5
Publikováno v:
Atmospheric Measurement Techniques, Vol 7, Iss 4, Pp 959-981 (2014)
GeoCARB is a proposed instrument to measure column averaged concentrations of CO2, CH4 and CO from geostationary orbit using reflected sunlight in near-infrared absorption bands of the gases. The scanning options, spectral channels and noise char
Externí odkaz:
https://doaj.org/article/3a1de6ebc2114e3b8efe467ac0314a62
Autor:
F. R. Lamm, D. M O'Brien
Publikováno v:
Kansas Agricultural Experiment Station Research Reports. 8
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::717f5a25145f7faa77fca8a3b703fcb6
https://doi.org/10.4148/2378-5977.8334
https://doi.org/10.4148/2378-5977.8334
Autor:
R. Salawitch, J. Robinson, I. Polonsky, F. Oyafuso, D. M. O'Brien, J. Notholt, V. Natraj, I. Morino, C. E. Miller, J. Messerschmidt, J. McDuffie, L. Mandrake, A. Kuze, M. Gunson, D. Griffith, A. Eldering, N. M. Deutscher, B. Connor, R. Castano, L. R. Brown, H. Bösch, R. Basilio, C. Frankenberg, C. O'Dell, B. M. Fisher, D. Crisp, V. Sherlock, M. Smyth, H. Suto, T. E. Taylor, D. R. Thompson, P. O. Wennberg, D. Wunch, Y. L. Yung
Publikováno v:
Atmospheric Measurement Techniques, Vol 5, Iss 4, Pp 687-707 (2012)
Here, we report preliminary estimates of the column averaged carbon dioxide (CO2) dry air mole fraction, XCO2, retrieved from spectra recorded over land by the Greenhouse gases Observing Satellite, GOSAT (nicknamed "Ibuki"), using retrieval methods o
Externí odkaz:
https://doaj.org/article/7f89b121e2d441a4bc052488cda5e805
Publikováno v:
Atmospheric Measurement Techniques. 7:959-981
GeoCARB is a proposed instrument to measure column averaged concentrations of CO2, CH4 and CO from geostationary orbit using reflected sunlight in near-infrared absorption bands of the gases. The scanning options, spectral channels and noise characte
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e8eea67a97901c938c5a5a22c0c379e8
https://doi.org/10.5194/amt-7-959-2014
https://doi.org/10.5194/amt-7-959-2014
Autor:
David R. Thompson, David Crisp, Lukas Mandrake, I. Polonsky, Isamu Morino, Yuk L. Yung, J. Messerschmidt, Ralph R. Basilio, Linda R. Brown, Rebecca Castano, Thomas E. Taylor, Charles E. Miller, Vijay Natraj, Brendan Fisher, Hiroshi Suto, Ross J. Salawitch, Nicholas M. Deutscher, Justus Notholt, James McDuffie, Paul O. Wennberg, Fabiano Oyafuso, Vanessa Sherlock, Hartmut Bösch, Debra Wunch, Christian Frankenberg, M. R. Gunson, Annmarie Eldering, B. J. Connor, Mike Smyth, Christopher W. O'Dell, Akihiko Kuze, David W. T. Griffith, D. M. O'Brien, John Robinson
Publikováno v:
Atmospheric Measurement Techniques. 5:687-707
Here, we report preliminary estimates of the column averaged carbon dioxide (CO2) dry air mole fraction, XCO2, retrieved from spectra recorded over land by the Greenhouse gases Observing Satellite, GOSAT (nicknamed "Ibuki"), using retrieval methods o
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9f0a86b9c6c4554b6fac82bfd09812ae
https://doi.org/10.5194/amt-5-687-2012
https://doi.org/10.5194/amt-5-687-2012
The ACOS CO2 retrieval algorithm – Part 1: Description and validation against synthetic observations
Autor:
Thomas E. Taylor, I. Polonsky, Hartmut Bösch, James McDuffie, Brendan Fisher, Fabiano Oyafuso, Christian Frankenberg, Paul O. Wennberg, M. Christi, Christopher W. O'Dell, B. J. Connor, Debra Wunch, D. M. O'Brien, D. Eldering, Charles E. Miller, Vijay Natraj, Rebecca Castano, G. C. Toon, Mike Smyth, M. R. Gunson
Publikováno v:
Atmospheric Measurement Techniques. 5:99-121
This work describes the NASA Atmospheric CO2 Observations from Space (ACOS) XCO2 retrieval algorithm, and its performance on highly realistic, simulated observations. These tests, restricted to observations over land, are used to evaluate retrieval e
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1a7f42bb437c7b893cfac8fb4b41e1bf
https://doi.org/10.5194/amt-5-99-2012
https://doi.org/10.5194/amt-5-99-2012
Autor:
Christopher W. O'Dell, Thomas E. Taylor, Nobuhiro Kikuchi, Takashi Y. Nakajima, Tatsuya Yokota, Teruyuki Nakajima, David Crisp, D. M. O'Brien, H. Ishida
Publikováno v:
IEEE Transactions on Geoscience and Remote Sensing. 50:295-309
Several existing and proposed satellite remote sensing instruments are designed to derive concentrations of trace gases, such as carbon dioxide (CO2) and methane (CH4), from measured spectra of reflected sunlight in absorption bands of the gases. Gen
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e066867d5e9fb23a1075c7063166f50b
https://doi.org/10.1109/tgrs.2011.2160270
https://doi.org/10.1109/tgrs.2011.2160270
Publikováno v:
IEEE Transactions on Geoscience and Remote Sensing. 49:2426-2437
The detector used for the O2 A-band (0.76 μm) of the National Aeronautics and Space Administration's Orbiting Carbon Observatory (OCO) employed a HyViSI Hawaii-1RG sensor, operating at 180 K in a rolling read-out mode. During the thermal vacuum test
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0b8e41eb81b9716d4c9d120223b613d8
https://doi.org/10.1109/tgrs.2010.2091683
https://doi.org/10.1109/tgrs.2010.2091683