Browsing NILU Brage by Author "Lahoz, William A."
Now showing items 1-20 of 26
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A geostationary thermal infrared sensor to monitor the lowermost troposphere: O-3 and CO retrieval studies
Claeyman, M; Attie, J-L; Peuch, V.-H.; El Amraoui, L.; Lahoz, William A.; Josse, B.; Ricaud, P.; von Clarmann, T.; Höpfner, M.; Orphal, J.; Flaud, J.-M.; Edwards, D.P.; Chance, K.; Liu, X.; Pasternak, F.; Cantié, R. (Journal article; Peer reviewed, 2011) -
A thermal infrared instrument onboard a geostationary platform for CO and O-3 measurements in the lowermost troposphere: Observing System Simulation Experiments (OSSE)
Claeyman, M; Attie, J-L; Peuch, V.-H.; El Amraoui, L.; Lahoz, William A.; Josse, B.; Joly, M.; Barré, J.; Ricaud, P.; Massart, S.; Piacentini, A.; von Clarmann, T.; Höpfner, M.; Orphal, J.; Flaud, J.-M.; Edwards, D.P. (Journal article; Peer reviewed, 2011) -
An Evaluation of the EnKF vs. EnOI and the Assimilation of SMAP, SMOS and ESA CCI Soil Moisture Data over the Contiguous US
Blyverket, Jostein; Hamer, Paul David; Bertino, Laurent; Albergel, Clement; Fairbairn, David; Lahoz, William A. (Journal article; Peer reviewed, 2019)A number of studies have shown that assimilation of satellite derived soil moisture using the ensemble Kalman Filter (EnKF) can improve soil moisture estimates, particularly for the surface zone. However, the EnKF is ... -
Benefit of ozone observations from Sentinel-5P and future Sentinel-4 missions on tropospheric composition
Quesada-Ruiz, Samuel; Attié, Jean-Luc; Lahoz, William A.; Abida, Rachid; Ricaud, Philippe; El Amraoui, Laaziz; Zbinden, Regina; Piacentini, Andrea; Joly, Mathieu; Eskes, Henk; Segers, Arjo; Curier, Lyana; de Haan, Johan; Kujanpää, Jukka; Nijhuis, Albert C. P. O.; Tamminen, Johanna; Timmermans, Renske; Veefkind, Pepijn (Journal article; Peer reviewed, 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 ... -
Citizen's observatory - Where does our air quality come from?
Lahoz, William A. (Journal article, 2013) -
Closing the gaps in our knowledge of the hydrological cycle over land: conceptual problems
Lahoz, William A.; De Lannoy, Gabriëlle J.M. (Journal article; Peer reviewed, 2014) -
Data assimilation: making sense of Earth Observation
Lahoz, William A.; Schneider, Philipp (Journal article; Peer reviewed, 2014) -
Diagnosing the transition layer at extratropical latitudes using MLS O-3 and MOPITT CO analyses
Barré, J.; El Amraoui, L.; Ricaud, P.; Lahoz, William A.; Attié, J.-L.; Peuch, V.-H.; Josse, B.; Marecal, V (Journal article; Peer reviewed, 2013) -
ESA CCI Soil Moisture for improved Earth system understanding: State-of-the art and future directions
Dorigo, Wouter; Wagner, Wolfgang; Albergel, Clement; Albrecht, Franziska; Balsamo, Gianpaolo; Brocca, Luca; Chung, Daniel; Ertl, Martin; Forkel, Matthias; Gruber, Alexander; Haas, Eva; Hamer, Paul David; Hirschi, Martin; Ikonen, Jaakko; de Jeu, Richard; Kidd, Richard; Lahoz, William A.; Liu, Yi Y.; Miralles, Diego G; Mistelbauer, Thomas; Nicolai-Shaw, Nadine; Parinussa, Robert; Pratola, Chiara; Reimer, Christoph; van der Schalie, Robin; Seneviratne, Sonia I.; Smolander, Tuomo; Lecomte, Pascal (Journal article; Peer reviewed, 2017) -
Evaluation of satellite soil moisture products over Norway using ground-based observations.
Griesfeller, Alexandra; Lahoz, William A.; de Jeu, R.A.M.; Dorigo, W.; Haugen, L.E.; Svendby, Tove Marit; Wagner, W. (Journal article; Peer reviewed, 2016) -
Global carbon monoxide products from combined AIRS, TES and MLS measurements on A-train satellites
Warner, Juying X.; Yang, R.; Wei, Z.; Carminati, Fabien; Tangborn, Andrew; Sun, Zhibin; Lahoz, William A.; Attié, Jean-Luc; El Amraoui, Laaziz; Duncan, Bryan N. (Journal article; Peer reviewed, 2014) -
Impact of spaceborne carbon monoxide observations from the S-5P platform on tropospheric composition analyses and forecasts
Abida, R.; Attié, Jean-Luc; El Amraoui, Laaziz; Lahoz, William A.; Ricaud, P.; Eskes, Henk; Segers, A.; Curier, Lyana; de Haan, Johan; Kujanpää, Jukka; Nijhuis, Albert Oude; Tamminen, Johanna; Timmermans, Renske M.A.; Veefkind, Pepijn (Journal article; Peer reviewed, 2017) -
Impact of synthetic space-borne NO2 observations from the Sentinel-4 and Sentinel-5P missions on tropospheric NO2 analyses
Timmermans, Renske; Segers, Arjo; Curier, Lyana; Abida, Rachid; Attié, Jean-Luc; Lahoz, William A. (Journal article; Peer reviewed, 2019)We present an Observing System Simulation Experiment (OSSE) dedicated to the evaluation of the added value of the Sentinel-4 and Sentinel-5P missions for tropospheric nitrogen dioxide (NO2). Sentinel-4 is a geostationary ... -
Mapping urban air quality in near real-time using observations from low-cost sensors and model information
Schneider, Philipp; Castell, Nuria; Vogt, Matthias; Dauge, Franck Rene; Lahoz, William A.; Bartonova, Alena (Journal article; Peer reviewed, 2017) -
MEMORI. Measurement, effect assessment and mitigation of pollutant impact on movable cultural assets. Innovative research for market transfer. Project final report.
Grøntoft, Terje; Colombini, Maria Perla; Bonaduce, Ilaria; Vandenabeele, Peter; Lahoz, William A.; Larsen, René; Potthast, Antje; Odlyha, Marianne; Andrade, Guillermo; Hackney, Stephen; McDonagh, Colette; Ackerman, III John Joseph (NILU OR;15/2014, Research report, 2014)Ed. by: Elin M. Dahlin. The MEMORI project (Grant agreement 265132) was performed in the period 2010-2013. The project was coordinated by NILU - Norwegian Institute for Air Research and included 14 partners, four subcontractors ... -
Monitoring Soil Moisture Drought over Northern High Latitudes from Space
Blyverket, Jostein; Hamer, Paul David; Schneider, Philipp; Albergel, Clement; Lahoz, William A. (Journal article; Peer reviewed, 2019)Mapping drought from space using, e.g., surface soil moisture (SSM), has become viable in the last decade. However, state of the art SSM retrieval products suffer from very poor coverage over northern latitudes. In this ... -
Recent satellite-based trends of tropospheric nitrogen dioxide over large urban agglomerations worldwide
Schneider, Philipp; Lahoz, William A.; van der A, Ronald (Journal article; Peer reviewed, 2015) -
Spatio-temporal variability of the polar middle atmosphere. Insights from over 30 years of research satellite observations.
Lahoz, William A.; Orsolini, Yvan; Manney, Gloria L.; Minschwaner, Kenneth; Allen, Douglas R.; Errera, Quentin; Jackson, David R.; Lambert, Alyn; Lee, Jae; Pumphrey, Hugh; Schwartz, Michael; Wu, Dong (NILU TR;01/2012, Research report, 2012)We discuss the insights that research satellite observations from the last 30 years have provided on the spatio-temporal variability of the polar middle atmosphere. Starting from the time of the NASA LIMS (Limb Infrared ... -
Stratosphere-troposphere ozone exchange from high resolution MLS ozone analyses
Barre, Jessica; Peuch, Vincent-Henri; Attié, Jean-Luc; El Amraoui, Laaziz; Lahoz, William A.; Josse, Béatrice; Claeyman, Marine; Nedelec, Philippe (Journal article; Peer reviewed, 2012) -
Technical note: Reanalysis of Aura MLS chemical observations
Errera, Quentin; Chabrillat, Simon; Christophe, Yves; Debosscher, Jonas; Hubert, Daan; Lahoz, William A.; Santee, Michelle L.; Shiotani, Masato; Skachko, Sergey; von Clarmann, Thomas; Walker, Kaley A. (Journal article; Peer reviewed, 2019)This paper presents a reanalysis of the atmospheric chemical composition from the upper troposphere to the lower mesosphere from August 2004 to December 2017. This reanalysis is produced by the Belgian Assimilation System ...