Zobrazeno 1 - 10
of 40
pro vyhledávání: '"W. A. Lahoz"'
Autor:
S. Quesada-Ruiz, J.-L. Attié, W. A. Lahoz, R. Abida, P. Ricaud, L. El Amraoui, R. Zbinden, A. Piacentini, M. Joly, H. Eskes, A. Segers, L. Curier, J. de Haan, J. Kujanpää, A. C. P. Oude Nijhuis, J. Tamminen, R. Timmermans, P. Veefkind
Publikováno v:
Atmospheric Measurement Techniques, Vol 13, Pp 131-152 (2020)
We present an observing simulated system experiment (OSSE) dedicated to evaluate the potential added value from the Sentinel-4 and the Sentinel-5P observations on tropospheric ozone composition. For this purpose, the ozone data of Sentinel-4 (Ultravi
Externí odkaz:
https://doaj.org/article/b88a1752a7ad4aaf8a80b76bd4c44b4b
Publikováno v:
Atmospheric Chemistry and Physics, Vol 15, Iss 3, Pp 1205-1220 (2015)
Trends in tropospheric nitrogen dioxide (NO2) columns over 66 large urban agglomerations worldwide have been computed using data from the SCanning Imaging Absorption spectroMeter for Atmospheric CHartographY (SCIAMACHY) instrument onboard the Envisat
Externí odkaz:
https://doaj.org/article/4a1c4469fe5243a1a11fa2333ebdffe7
Autor:
L. El Amraoui, J.-L. Attié, P. Ricaud, W. A. Lahoz, A. Piacentini, V.-H. Peuch, J. X. Warner, R. Abida, J. Barré, R. Zbinden
Publikováno v:
Atmospheric Measurement Techniques, Vol 7, Iss 9, Pp 3035-3057 (2014)
This paper presents a validation of a method to derive the vertical profile of carbon monoxide (CO) from its total column using data assimilation. We choose version 3 of MOPITT CO total columns to validate the proposed method. MOPITT products have th
Externí odkaz:
https://doaj.org/article/fb5cd1bfbe70457d97e077919b2b6617
Autor:
E. Hache, J.-L. Attié, C. Tourneur, P. Ricaud, L. Coret, W. A. Lahoz, L. El Amraoui, B. Josse, P. Hamer, J. Warner, X. Liu, K. Chance, M. Höpfner, R. Spurr, V. Natraj, S. Kulawik, A. Eldering, J. Orphal
Publikováno v:
Atmospheric Measurement Techniques, Vol 7, Iss 7, Pp 2185-2201 (2014)
Ozone is a tropospheric pollutant and plays a key role in determining the air quality that affects human wellbeing. In this study, we compare the capability of two hypothetical grating spectrometers onboard a geostationary (GEO) satellite to sense
Externí odkaz:
https://doaj.org/article/b88f2084801c4e45ac3a4d3699fab158
Autor:
J. Barré, L. El Amraoui, P. Ricaud, W. A. Lahoz, J.-L. Attié, V.-H. Peuch, B. Josse, V. Marécal
Publikováno v:
Atmospheric Chemistry and Physics, Vol 13, Iss 14, Pp 7225-7240 (2013)
The behavior of the extratropical transition layer (ExTL) is investigated using a chemistry transport model (CTM) and analyses derived from assimilation of MLS (Microwave Limb Sounder) O3 and MOPITT (Measurements Of Pollution In The Troposphere) CO d
Externí odkaz:
https://doaj.org/article/65efa8c391504d8e8737625156039ae9
Autor:
J. Barré, V.-H. Peuch, J.-L. Attié, L. El Amraoui, W. A. Lahoz, B. Josse, M. Claeyman, P. Nédélec
Publikováno v:
Atmospheric Chemistry and Physics, Vol 12, Iss 14, Pp 6129-6144 (2012)
We assimilate stratospheric ozone profiles from MLS (Microwave Limb Sounder) into the MOCAGE Chemistry Transport Model (CTM) to study Stratosphere-Troposphere Exchange (STE). This study uses two horizontal grid resolutions of 2° and 0.2°. The combi
Externí odkaz:
https://doaj.org/article/21baaa299756428b82fe77634329be92
Autor:
J. Orphal, T. von Clarmann, M. Höpfner, S. Massart, A. Piacentini, P. Ricaud, J. Barré, M. Joly, B. Josse, W. A. Lahoz, L. El Amraoui, V.-H. Peuch, J.-L. Attié, M. Claeyman, J.-M. Flaud, D. P. Edwards
Publikováno v:
Atmospheric Measurement Techniques, Vol 4, Iss 8, Pp 1637-1661 (2011)
This paper presents observing system simulation experiments (OSSEs) to compare the relative capabilities of two geostationary thermal infrared (TIR) instruments to measure ozone (O3) and carbon monoxide (CO) for monitoring air quality (AQ) over Europ
Externí odkaz:
https://doaj.org/article/ae3450e2bee34b5daf5147e4f06fe531
Publikováno v:
Atmospheric Chemistry and Physics, Vol 11, Iss 10, Pp 4689-4703 (2011)
The record-breaking major stratospheric warming of northern winter 2009 (January–February) is studied using BASCOE (Belgian Assimilation System for Chemical ObsErvation) stratospheric water vapour analyses and MLS (Microwave Limb Sounder) water vap
Externí odkaz:
https://doaj.org/article/e4f0b955733446d58b2aedc431463c7e
Autor:
D. P. Edwards, J. Orphal, J.-M. Flaud, M. Höpfner, T. von Clarmann, P. Ricaud, B. Josse, W. A. Lahoz, L. El Amraoui, V.-H. Peuch, J.-L. Attié, M. Claeyman, K. Chance, X. Liu, F. Pasternak, R. Cantié
Publikováno v:
Atmospheric Measurement Techniques, Vol 4, Iss 2, Pp 297-317 (2011)
This paper describes the capabilities of a nadir thermal infrared (TIR) sensor proposed for deployment onboard a geostationary platform to monitor ozone (O3) and carbon monoxide (CO) for air quality (AQ) purposes. To assess the capabilities of this s
Externí odkaz:
https://doaj.org/article/f8a2f6765201444fb93d603f26c68447
Autor:
H. E. Thornton, D. R. Jackson, S. Bekki, N. Bormann, Q. Errera, A. J. Geer, W. A. Lahoz, S. Rharmili
Publikováno v:
Atmospheric Chemistry and Physics, Vol 9, Iss 3, Pp 995-1016 (2009)
This paper presents results from the first detailed intercomparison of stratosphere-lower mesosphere water vapour analyses; it builds on earlier results from the EU funded framework V "Assimilation of ENVISAT Data" (ASSET) project. Stratospheric wate
Externí odkaz:
https://doaj.org/article/6a69003ae105408d94c8aa323c48ad11