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William A. Lahoz

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Anonymous

William A. Lahoz har 175 publikasjoner ved NILU:

Validation practices for satellite soil moisture retrievals: What are (the) errors?

Gruber, Alexander; de Lannoy, Gabriëlle J.M; Albergel, Clément; Al-Yaari, Amen; Brocca, Luca; Calvet, Jean-Christophe; Colliander, Andreas; Cosh, Michael H.; Crow, Wade T.; Dorigo, Wouter Arnaud; Draper, Clara Sophie; Hirschi, Martin; Kerr, Yann H.; Konings, Alexandra G.; Lahoz, William A.; McColl, Kaighin Alexander; Montzka, Carsten; Muñoz-Sabater, Joaquín ; Peng, Jian; Reichle, Rolf H.; Richaume, Philippe; Rüdiger, Christoph; Scanlon, Tracy; van der Schalie, Robin; Wigneron, Jean Pierre; Wagner, Wolfgang

2020

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

2020

Innovative environmental monitoring for Norwegian municipalities using low-cost sensor networks. The iFLINK project.

Castell, Nuria; Dauge, Franck Rene; Grossberndt, Sonja; Høiskar, Britt Ann Kåstad; Lahoz, William A.; Lepioufle, Jean-Marie; Logna, Robert; Schneider, Philipp; Vallejo, Islen; Vogt, Matthias; Bartonova, Alena

2019

Can low-cost air quality sensor platforms help to build healthier cities?

Castell, Nuria; Schneider, Philipp; Vogt, Matthias; Dauge, Franck Rene; Lahoz, William A.; Grossberndt, Sonja; Bartonova, Alena

2019

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.

2019

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; El Amraoui, Laaziz; Eskes, Henk; de Haan, Johan; Kujanpää, Jukka; Lahoz, William A.; Nijhuis, Albert Oude; Quesada-Ruiz, Samuel; Ricaud, Philippe; Veefkind, Pepijn; Schaap, Martijn

2019

Retrieval of Soil Moisture from Sentinel-1A&B over Northern Latitudes

Blyverket, Jostein; Schneider, Philipp; Lahoz, William A.; Malnes, Eirik; Grahn, Jakob; Åsmund , Bakketun; Halsne, Trygve

2019

Monitoring Soil Moisture Drought over Northern High Latitudes from Space

Blyverket, Jostein; Hamer, Paul David; Schneider, Philipp; Albergel, Clement; Lahoz, William A.

2019

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, Clément; Fairbairn, David; Lahoz, William A.

2019

Mapping urban air quality using a network of low-cost sensors: A data assimilation approach

Schneider, Philipp; Castell, Nuria; Bartonova, Alena; Lahoz, William A.

2018

Towards creating a ESA CCI Level 4 root zone soil moisture product using land surface data assimilation

Blyverket, Jostein; Lahoz, William A.; Hamer, Paul; Bertino, Laurent

2018

Microwave satellite remote sensing of soil moisture

Blyverket, Jostein; Hamer, Paul; Lahoz, William A.

2018

Can low-cost air quality sensors help to monitor air pollution in cities?

Castell, Nuria; Schneider, Philipp; Vogt, Matthias; Dauge, Franck Rene; Lahoz, William A.; Bartonova, Alena

2018

Assimilation of SMOS Level 2 soil moisture retrievals for improved soil moisture estimates over northern latitudes

Blyverket, Jostein; Bertino, Laurent; Hamer, Paul David; Svendby, Tove Marit; Lahoz, William A.

2018

Strongly coupled data assimilation (SCDA) of SMOS land surface brightness temperature in WRF using the EnKF

Blyverket, Jostein; Bertino, Laurent; Hamer, Paul David; Svendby, Tove Marit; Lahoz, William A.

2018

A network of low-cost air quality sensors and its use for mapping urban air quality

Schneider, Philipp; Castell, Nuria; Dauge, Franck Rene; Vogt, Matthias; Lahoz, William A.; Bartonova, Alena

2018

Towards creating a ESA CCI soil moisture root-zone product.

Blyverket, J.; Hamer, P.; Bertino, L.; Gruber, A.; Lahoz, W.

2017

Integrating soil moisture satellite retrievals in land surface simulations.

Bakketun, Å.; Blyverket, J.; Lahoz, W.; Luijting, H.; Homleid, M.; Aspelien, T.; Kristiansen, J.; Stordal, F.

2017

CITI-SENSE: Experience after the project end.

Bartonova, A.; Castell, N.; Dauge, F. R.; Fredriksen, M. F.; Grossberndt, S.; Høiskar, B. A. K.; Lahoz, W.; Liu, H. Y.; Schneider, S.

2017

Can low-cost air quality sensor platforms help to build healthier cities?

Castell, N.; Schneider, P.; Vogt, M.; Dauge, F.R.; Lahoz, W.; Grossberndt, S.; Bartonova, A.

2017

The potential of low-cost sensor networks for monitoring and modelling urban air quality.

Schneider, P.; Castell, N.; Dauge, F. R.; Lahoz, W.; Bartonova, A.

2017

ESA CCI Soil Moisture for improved Earth system understanding: State-of-the art and future directions.

Dorigo, W.; Wagner, W.; Albergel, C.; Albrecht, F.; Balsamo, G.; Brocca, L.; Chung, D.; Ertl, M.; Forkel, M.; Gruber, A.; Haas, E.; Hamer, P. D.; Hirschi, M.; Ikonen, J.; de Jeu, R.; Kidd, R.; Lahoz, W.; Liu, Y. Y.; Miralles, D.; Mistelbauer, T.; Nicolai-Shaw, N.; Parinussa, R.; Pratola, C.; Reimer, C.; van der Schalie, R.; Seneviratne, S. I.; Smolander, T.; Lecomte, P.

2017

Monitoring urban air quality using a high-density network of low-cost sensor nodes in Oslo, Norway.

Castell, N.; Schneider, P.; Vogt, M.; Dauge, F. R.; Lahoz, W.; Bartonova, A.

2017

Impact of spaceborne carbon monoxide observations from the S-5P platform on tropospheric composition analyses and forecasts.

Abida, R.; Attié, J.-L.; El Amraoui, L.; Ricaud, P.; Lahoz, W.; Eskes, H.; Segers, A.; Curier, L.; de Haan, J.; Kujanpää, J.; Nijhuis, A. O.; Tamminen, J.; Timmermans, R.; Veefkind, P.

2017

Mapping urban air quality using low-cost sensors: Opportunities and challenges.

Schneider, P.; Castell, N.; Lahoz, W.; Vallejo, I.; Bartonova, A.

2016

Citizens and air quality: do the information supply and demand match?

Bartonova, A.; Grossberndt, S.; Castell, N.; Schneider, P.; Lahoz, W.; Fredriksen, M.; Liu, H.-Y.; Citi-Sense Consortium, Keune, H.

2016

Public air quality information and perception in eight cities: the CITI-SENSE empowerment initiative.

Cole-Hunter, T.; Berre, A.; Castell, N.; Fredriksen, M.F.; Robinson, J.; Santiago, L.; Lahoz, W.; Liu, H.-Y.; Martinez, T.; Schneider, P.; CITI-SENSE consortium, Aivalioti, S.; Grossberndt, S.; Keune, H.; Hurley, F.; Nieuwenhuijsen, M.; Bartonova, A.

2016

Toward improving the representation of the water cycle at High Northern Latitudes.

Lahoz, W.; Svendby, T.; Hamer, P.; Blyverket, J.; Kristiansen, J.; Luijting, H.

2016

Ozone retrievals from MAGEAQ GEO TIR+VIS for air quality.

Quesada-Ruiz, S.; Attié, J.-L.; Lahoz, W.A.; Abida, R.; El-Amraoui, L.; Ricaud, P.; Zbinden, R.; Spurr, R.; da Silva, A.M.

2016

Where are we in the definition of the optimal satellite instrument to measure ozone for air quality?

Attie, J.-L.; El Amraoui, L.; Lahoz, W.; Quesada, S.; Ricaud, P.; Zbinden, R.

2016

Toward improving the representation of the water cycle at High Northern Latitudes.

Lahoz, W.A.; Svendby, T.; Griesfeller, A.; Kristiansen, J.

2016

Uncertainty in mapping urban air quality using crowdsourcing techniques.

Schneider, P.; Castell, N.; Lahoz, W.; Bartonova, A.; the CITI-SENSE Consortium Team.

2016

Exploiting crowdsourced observations: High-resolution mapping of real-time urban air quality throughout Europe.

Schneider, P.; Castell, N.; Vallejo, I.; van den Bossche, J.; Lahoz, W.; Bartonova, A.; the CITI-SENSE Consortium Team.

2016

Evaluation of satellite soil moisture products over Norway using ground-based observations.

Griesfeller, A.; Lahoz, W.A.; de Jeu, R.A.M.; Dorigo, W.; Haugen, L.E.; Svendby, T.M.; Wagner, W.

2016

High-resolution mapping of urban air quality using low-cost sensors.

Schneider, P.; Castell, N.; Van den Bossche, J.; Lahoz, W.

2015

Earth observation.

Lahoz, W.

2015

Making visible the invisible: communicating air quality.

Castell, N.; Noll, J.; Fayyad, S.; Fredriksen, M.F.; Schneider, P.; Liu, H.-Y.; Lahoz, W.

2015

Toward improving the representation of the water cycle at High Northern Latitudes.

Lahoz, W.A.; Svendby, T.; Griesfeller, A.; Kristiansen, J.

2015

Observing System Simulation Experiments for air quality.

Timmermans, R.; Lahoz, W.A.; Attié, J.-L.; Peuch, V.-H.; Curier, L.; Edwards, D.; Eskes, H.; Builtjes, P.

2015

Estimating personal exposure to air pollution – can wearable low-cost sensors help?

Castell, N.; Liu, H.-Y.; Schneider, P.; Lahoz, W.; Bartonova, A.

2015

Towards a personalized environmental health information service using low-cost sensors and crowdsourcing.

Castell, N.; Liu, H.-Y.; Schneider, P.; Cole-Hunter, T.; Lahoz, W.; Bartonova, A.

2015

Mobile technologies and services for environmental monitoring: The Citi-Sense-MOB approach.

Castell, N.; Kobernus, M.; Liu, H.-Y.; Schneider, P.; Lahoz, W.; Berre, A.J.; Noll, J.

2015

Data assimilation and statistical post-processing for numerical air quality predictions.

Steinbakk, G. H, Thorarinsdottir, T. L.; Lahoz, W. A.; Walker, S.-E.

2014

Chemical data assimilation.

Errera, Q.; Lahoz, W.; Chabrillat, S.

2014

Toward assimilation of satellite soil products over Europe.

Lahoz, W.; Svendby, T.; Griesfeller, A.

2014

Assimilation in catchment-scale model.

Lahoz, W.; Svendby, T.; Griesfeller, A.; Kjølerbakken, M.

2014

Modelling and data fusion in CITI-Sense.

Schneider, P.; Lahoz, W.

2014

Can low-cost air quality sensors help citizens to create smart cities?

Castell, N.; Liu, H.-Y.; Kobernus, M.; Schneider, P.; Lahoz, W.; Grossberndt, S.; Bartonova, A.

2014

Tropospheric CO vertical profiles deduced from total columns using data assimilation: methodology and validation.

El Amraoui, L.; Attié, J.-L.; Ricaud, P.; Lahoz, W. A.; Piacentini, A.; Peuch, V.-H.; Warner, J. X.; Abida, R.; Barré, J.; Zbinden, R.

2014

Fighting air pollution: people can help.

Castell, N.; Liu, H.-Y.; Kobernus, M.; Schneider, P.; Lahoz, W.; Bartonova, A.

2014

The earth’s hydrological cycle.

Bengtsson, L.; Bonnet, R.-M.; Calisto, M.; Destouni, G.; Gurney, R.; Johannessen, J.; Kerr, Y.; Lahoz, W.A.; Rast, M. (eds.)

2014

Bok

The added value of a visible channel to a geostationary thermal infrared instrument to monitor ozone for air quality.

Hache, E.; Attié, J.-L.; Tourneur, C.; Ricaud, P.; Coret, L.; Lahoz, W. A.; El Amraoui, L.; Josse, B.; Hamer, P.; Warner, J.; Liu, X.; Chance, K.; Höpfner, M.; Spurr, R.; Natraj, V.; Kulawik, S.; Eldering, A.; Orphal, J.

2014

Added value of a geostationary thermal infrared and visible instrument to monitor ozone for air quality.

Hache, E.; Attié, J.-L.; Tourneur, C.; Ricaud, P.; Coret, L.; Lahoz, W.; El Amraoui, L.; Josse, B.; Hamer, P.; Warner, J.; Liu, X.; Chance, K.; Höpfner, M.; Spurr, R.; Natraj, V.; Kulawik, S.; Eldering, A.; Orphal, J.

2014

Building and evaluating sensor-based Citizens’ Observatories for improving quality of life in cities.

Castell, N.; Lahoz, W.; Schneider, P.; Hoiskar, B.A.; Grossberndt, S.; Naderer, C.; Robinson, J.; Kocman, D.; Horvat, M.; Bartonova, A.

2014

Global carbon monoxide products from combined AIRS, TES and MLS measurements on A-train satellites.

Warner, J. X.; Yang, R.; Wei, Z.; Carminati, F.; Tangborn, A.; Sun, Z.; Lahoz, W.; Attié, J.-L.; El Amraoui, L.; Duncan, B.

2014

Combined data assimilation of ozone tropospheric columns and stratospheric profiles in a high-resolution CTM.

Barré, J.; Peuch, V.-H.; Lahoz, W. A.; Attié, J.-L.; Josse, B.; Piacentini, A.; Eremenko, M.; Dufour, G.; Nedelec, P.; von Clarmann, T.; El Amraoui, L.

2014

Evaluation of soil moisture products over Norway.

Griesfeller, A.; Lahoz, W.A.; Svendby, T.M.; Haugen, L.M.; Wagner, W.; Dorigo, W.; Kerr, Y.; de Jeu, R.A.M.; Kristiansnen, J.

2013

Evaluation of SMOS and ASCAT soil moisture products over Norway using ground-based in situ observations.

Griesfeller, A.; Lahoz, W.A.; Svendby, T.M.; Haugen, L.M.; Wagner, W.; Dorigo, W.; Kerr, Y.; de Jeu, R.A.M.

2013

Evaluation of SMOS and ASCAT soil moisture products over Norway using ground-based in situ observations.

Griesfeller, A.; Lahoz, W.A.; Svendby, T.M.; Haugen, L.M.; Wagner, W.; Dorigo, W.; Kerr, Y.; de Jeu, R.A.M.

2013

Estimation of diurnal variability.

Griesfeller, A.; Lahoz, W.

2013

Evaluation of SMOS and ASCAT soil moisture products over Norway using ground-based in situ observations.

Griesfeller, A.; Lahoz, W.A.; Svendby, T.M.; Haugen, L.M.; Wagner, W.; Dorigo, W.; Kerr, Y.; de Jeu, R.A.M.

2013

Monitoring air quality: the role of OSSEs in determining the future global observing system.

Lahoz, W.; Attie, J.L.; Abida, R.; El Amraoui, L.; Hache, E.; Ricaud, P.; Peuch, V.H.; Orphal, J.

2013

An OSSE to study the impact of S4/5 spaceborne observations on air quality data assimilation systems.

Eskes, H.,Veefkind, P.; Williams, J.; Nijhuis, A.O.; de Haan, J.; Attie, J.; Abida, R.; Ricaud, P.; El Amraoui, L.; Curier, L.; Segers, A.; Kujanpaa, J.; Tamminen, J.; Lahoz, W.

2013

Evaluation of SMOS and ASCAT soil moisture products over Norway using ground-based in situ observations.

Griesfeller, A.; Lahoz, W.A.; Svendby, T.M.; Haugen, L.M.; Wagner, W.; Dorigo, W.; Kerr, Y.; de Jeu, R.A.M.

2013

Diagnosing the transition layer at extratropical latitudes using MLS O3 and MOPITT CO analyses.

Barré, J.; El Amraoui, L.; Ricaud, P.; Lahoz, W. A.; Attié, J.-L.; Peuch, V.-H.; Josse, B.; Marécal, V.

2013

Soil moisture over Norway.

Griesfeller, A.; Lahoz, W.A.; Svendby, T.

2012

SMOS Prodex.

Griesfeller, A.; Lahoz, W.A.; Svendby, T.

2012

Novel methods to characterize errors in soil moisture datasets.

Lahoz, W.A.; Svendby, T.; Griesfeller, A.

2012

Conceptual problems: general overview.

Lahoz, W.A.; De Lannoy, G.

2012

CITI-SENSE: Development of a sensor-based citizens’ observatory community for improving quality of life in cities.

Castell-Balaguer, N.; Bartonova, A.; Grossberndt, S.; Lahoz, W.; Schneider, P.; Vik, A.

2012

Spatio-temporal variability of the polar middle atmosphere. Insights from over 30 years of research satellite observations.

Lahoz, W.A.; Orsolini, Y.J.; Manney, G.L.; Minschwaner, K.; Allen, D.R.; Errera, Q.; Jackson, D.R.; Lambert, A.; Lee, J.; Pumphrey, H.; Schwartz, M.; Wu, D.

2012

Monitoring air quality: the role of OSSEs in determining the future global observing system.

Lahoz, W.; Attie, J.L.; El Amraoui, L.; Hache, E.; Ricaud, P.; Dupont, R.; Jamouille, E.; Orphal, J.; Flaud, J.M.; Peuch, V.H.

2012

New perspectives of gravity wave remote sensing through ESA’s candidate mission PREMIER.

Preusse, P.; Hoffmann, L.; Lehmann, C.; Alexander, M.J.; Broutman, D.; Chun, H.Y.; Dudhia, A.; Hertzog, A.; Hoepfner, M.; Kim, Y.H.; Lahoz, W.; Ma, J.; Pulido, M.; Riese, M.; Sembhi, H.; Wuest, S.; Alishahi, V.; Bittner, M.; Ern, M.; McConnel, J.C.; Sofieva, V.

2012

Stratosphere-troposphere ozone exchange from high resolution MLS ozone analyses.

Barré, J.; Peuch, V.-H.; Attié, J.-L.; El Amraoui, L.; Lahoz, W. A.; Josse, B.; Claeyman, M.; Nédélec, P.

2012

Monitoring air quality from space: the case for the geostationary platform.

Lahoz, W.A.; Peuch, V.-H.; Orphal, J.; Attié, J.-L.; Chance, K.; Liu, X.; Edwards, D.; Elbern, H.; Flaud, J.-M.; Claeyman, M.; El Amraoui, L.

2012

A thermal infrared instrument onboard a geostationary platform for CO and O3 measurements in the lowermost troposphere: Observing System Simulation Experiments (OSSE).

Claeyman, M.; Attié, J.-L.; Peuch, V.-H.; El Amraoui, L.; Lahoz, W. 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.

2011

A geostationary thermal infrared sensor to monitor the lowermost troposphere: O3 and CO retrieval studies.

Claeyman, M.; Attié, J.-L.; Peuch, V.-H.; El Amraoui, L.; Lahoz, W.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.

2011

Observing system simulation experiment.

Masutani, M.; Schlatter, T.W.; Errico, R.M.; Stoffelen, A.; Andersson, E.; Lahoz, W.; Woollen, J.S.; Emmitt, G.D.; Riishøjgaard, L.P.; Lord, S.J.

2010

Constituent assimilation.

Lahoz, W.; Errera, Q.

2010

General concepts in meteorology and dynamics.

Charlton-Perez, A.; Lahoz, W.; Swinbank, R.

2010

Assimilation for Norway.

Lahoz, W.; Svendby, T.; Johnsrud, M.

2010

Data assimilation and information.

Lahoz, W.; Khattatov, B.; Ménard, R.

2010

The NILU SURFEX-EnKF land data assimilation system.

Lahoz, W.; Svendby, T.; Walker, S.-E.; Mahfouf, J.-F.

2010

Data assimilation. Making sense of observations.

Lahoz, W.; Khattatov, B.; Ménard, R. (eds.)

2010

Bok

The NILU SURFEX-EnKF land data assimilation system.

Lahoz, W.; Walker, S.-E.; Dammann, D.

2010

Expanding collaboration in Joint OSSEs.

Masutani, M.; Errico, R.; Schlatter, T.W.; Woollen, J.S.; Xie, Y.; Zhu, T.; Prive, N.; Yang, R.; Riishojgaard, L.P.; Stoffelen, A.; Marseille, G.-J.; Andersson, E.; Weng, F.; Kleespies, T.J.; Reale, O.; Emmitt, G.D.; Greco, S.; Wood, S.A.; Hill, C.; Anantharaj, V.; Fitzpatrick, P.; Fan, X.; Pryor, H.; Salmon, E.; Liu, H.-C.; Sienkiewicz, M.,Silva, A. da, Sun, H.; Song, Y.; Govett, M.; Pu, Z.; Cucurull, L.; Lord, S.J.; Devenyi, D.; Birkenheuer, D.L.; Jung, T.; Thompkins, A.; Groff, D.; Kleist, D.; Treadon, R.; Fielding, K.; Lahoz, W.; Brin, E.; Toth, Z.; Sato, Y.; Hu, M.; Weygandt, S.; McGill, M.J.; Miyosh, T.; Enomoto, T.; Watanabe, M.; Koyama, H.; Rochen, Y.; Seablom, M.; Hauss, B.I.; Burn, R.; Higgins, G.; Atlas, R.; Koch, S.; Wang, H.; Chen, Y.; Huang, X.-Y.

2009

The ASSET intercomparison of stratosphere and lower mesosphere humidity analyses.

Thornton, H. E.; Jackson, D. R.; Bekki, S.; Bormann, N.; Errera, Q.; Geer, A. J.; Lahoz, W. A.,, Rharmili, S.

2009

4D-Var assimilation of MIPAS chemical observations: Ozone and nitrogen dioxide analyses.

Errera, Q.; Daerden, F.; Chabrillat, S.; Lambert, J.C.; Lahoz, W.A.; Viscardy, S.; Bonjean, S.; Fonteyn, D.

2008

Editoral: The COST 723 Action.

Lahoz, W.A.; Geer, A.J.; Orsolini, Y.J.

2007

The COST 723 Action.

Lahoz, W.A.; Buehler, S.A.; Legras, B.

2007

The Assimilation of Envisat data (ASSET) project.

Lahoz, W.A.; Geer, A.J.; Bekki, S.; Bormann, N.; Ceccherini, S.; Elbern, H.; Errera, Q.; Eskes, H.J.; Fonteyn, D.; Jackson, D.R.; Khattatov, B.; Marchand, M.; Massart, S.; Peuch, V.-H.; Rharmili, S.; Ridolfi, M.; Segers, A.; Talagrand, O.; Thornton, H.E.; Vik, A.F.; von Clarmann, T.

2007

William A. Lahoz har 175 publikasjoner ved NILU:

Validation practices for satellite soil moisture retrievals: What are (the) errors?

Gruber, Alexander; de Lannoy, Gabriëlle J.M; Albergel, Clément; Al-Yaari, Amen; Brocca, Luca; Calvet, Jean-Christophe; Colliander, Andreas; Cosh, Michael H.; Crow, Wade T.; Dorigo, Wouter Arnaud; Draper, Clara Sophie; Hirschi, Martin; Kerr, Yann H.; Konings, Alexandra G.; Lahoz, William A.; McColl, Kaighin Alexander; Montzka, Carsten; Muñoz-Sabater, Joaquín ; Peng, Jian; Reichle, Rolf H.; Richaume, Philippe; Rüdiger, Christoph; Scanlon, Tracy; van der Schalie, Robin; Wigneron, Jean Pierre; Wagner, Wolfgang

2020

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

2020

Innovative environmental monitoring for Norwegian municipalities using low-cost sensor networks. The iFLINK project.

Castell, Nuria; Dauge, Franck Rene; Grossberndt, Sonja; Høiskar, Britt Ann Kåstad; Lahoz, William A.; Lepioufle, Jean-Marie; Logna, Robert; Schneider, Philipp; Vallejo, Islen; Vogt, Matthias; Bartonova, Alena

2019

Can low-cost air quality sensor platforms help to build healthier cities?

Castell, Nuria; Schneider, Philipp; Vogt, Matthias; Dauge, Franck Rene; Lahoz, William A.; Grossberndt, Sonja; Bartonova, Alena

2019

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.

2019

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; El Amraoui, Laaziz; Eskes, Henk; de Haan, Johan; Kujanpää, Jukka; Lahoz, William A.; Nijhuis, Albert Oude; Quesada-Ruiz, Samuel; Ricaud, Philippe; Veefkind, Pepijn; Schaap, Martijn

2019

Retrieval of Soil Moisture from Sentinel-1A&B over Northern Latitudes

Blyverket, Jostein; Schneider, Philipp; Lahoz, William A.; Malnes, Eirik; Grahn, Jakob; Åsmund , Bakketun; Halsne, Trygve

2019

Monitoring Soil Moisture Drought over Northern High Latitudes from Space

Blyverket, Jostein; Hamer, Paul David; Schneider, Philipp; Albergel, Clement; Lahoz, William A.

2019

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, Clément; Fairbairn, David; Lahoz, William A.

2019

Mapping urban air quality using a network of low-cost sensors: A data assimilation approach

Schneider, Philipp; Castell, Nuria; Bartonova, Alena; Lahoz, William A.

2018

Towards creating a ESA CCI Level 4 root zone soil moisture product using land surface data assimilation

Blyverket, Jostein; Lahoz, William A.; Hamer, Paul; Bertino, Laurent

2018

Microwave satellite remote sensing of soil moisture

Blyverket, Jostein; Hamer, Paul; Lahoz, William A.

2018

Can low-cost air quality sensors help to monitor air pollution in cities?

Castell, Nuria; Schneider, Philipp; Vogt, Matthias; Dauge, Franck Rene; Lahoz, William A.; Bartonova, Alena

2018

Assimilation of SMOS Level 2 soil moisture retrievals for improved soil moisture estimates over northern latitudes

Blyverket, Jostein; Bertino, Laurent; Hamer, Paul David; Svendby, Tove Marit; Lahoz, William A.

2018

Strongly coupled data assimilation (SCDA) of SMOS land surface brightness temperature in WRF using the EnKF

Blyverket, Jostein; Bertino, Laurent; Hamer, Paul David; Svendby, Tove Marit; Lahoz, William A.

2018

A network of low-cost air quality sensors and its use for mapping urban air quality

Schneider, Philipp; Castell, Nuria; Dauge, Franck Rene; Vogt, Matthias; Lahoz, William A.; Bartonova, Alena

2018

Towards creating a ESA CCI soil moisture root-zone product.

Blyverket, J.; Hamer, P.; Bertino, L.; Gruber, A.; Lahoz, W.

2017

Integrating soil moisture satellite retrievals in land surface simulations.

Bakketun, Å.; Blyverket, J.; Lahoz, W.; Luijting, H.; Homleid, M.; Aspelien, T.; Kristiansen, J.; Stordal, F.

2017

CITI-SENSE: Experience after the project end.

Bartonova, A.; Castell, N.; Dauge, F. R.; Fredriksen, M. F.; Grossberndt, S.; Høiskar, B. A. K.; Lahoz, W.; Liu, H. Y.; Schneider, S.

2017

Can low-cost air quality sensor platforms help to build healthier cities?

Castell, N.; Schneider, P.; Vogt, M.; Dauge, F.R.; Lahoz, W.; Grossberndt, S.; Bartonova, A.

2017

The potential of low-cost sensor networks for monitoring and modelling urban air quality.

Schneider, P.; Castell, N.; Dauge, F. R.; Lahoz, W.; Bartonova, A.

2017

ESA CCI Soil Moisture for improved Earth system understanding: State-of-the art and future directions.

Dorigo, W.; Wagner, W.; Albergel, C.; Albrecht, F.; Balsamo, G.; Brocca, L.; Chung, D.; Ertl, M.; Forkel, M.; Gruber, A.; Haas, E.; Hamer, P. D.; Hirschi, M.; Ikonen, J.; de Jeu, R.; Kidd, R.; Lahoz, W.; Liu, Y. Y.; Miralles, D.; Mistelbauer, T.; Nicolai-Shaw, N.; Parinussa, R.; Pratola, C.; Reimer, C.; van der Schalie, R.; Seneviratne, S. I.; Smolander, T.; Lecomte, P.

2017

Monitoring urban air quality using a high-density network of low-cost sensor nodes in Oslo, Norway.

Castell, N.; Schneider, P.; Vogt, M.; Dauge, F. R.; Lahoz, W.; Bartonova, A.

2017

Impact of spaceborne carbon monoxide observations from the S-5P platform on tropospheric composition analyses and forecasts.

Abida, R.; Attié, J.-L.; El Amraoui, L.; Ricaud, P.; Lahoz, W.; Eskes, H.; Segers, A.; Curier, L.; de Haan, J.; Kujanpää, J.; Nijhuis, A. O.; Tamminen, J.; Timmermans, R.; Veefkind, P.

2017

Mapping urban air quality using low-cost sensors: Opportunities and challenges.

Schneider, P.; Castell, N.; Lahoz, W.; Vallejo, I.; Bartonova, A.

2016

Citizens and air quality: do the information supply and demand match?

Bartonova, A.; Grossberndt, S.; Castell, N.; Schneider, P.; Lahoz, W.; Fredriksen, M.; Liu, H.-Y.; Citi-Sense Consortium, Keune, H.

2016

Public air quality information and perception in eight cities: the CITI-SENSE empowerment initiative.

Cole-Hunter, T.; Berre, A.; Castell, N.; Fredriksen, M.F.; Robinson, J.; Santiago, L.; Lahoz, W.; Liu, H.-Y.; Martinez, T.; Schneider, P.; CITI-SENSE consortium, Aivalioti, S.; Grossberndt, S.; Keune, H.; Hurley, F.; Nieuwenhuijsen, M.; Bartonova, A.

2016

Toward improving the representation of the water cycle at High Northern Latitudes.

Lahoz, W.; Svendby, T.; Hamer, P.; Blyverket, J.; Kristiansen, J.; Luijting, H.

2016

Ozone retrievals from MAGEAQ GEO TIR+VIS for air quality.

Quesada-Ruiz, S.; Attié, J.-L.; Lahoz, W.A.; Abida, R.; El-Amraoui, L.; Ricaud, P.; Zbinden, R.; Spurr, R.; da Silva, A.M.

2016

Where are we in the definition of the optimal satellite instrument to measure ozone for air quality?

Attie, J.-L.; El Amraoui, L.; Lahoz, W.; Quesada, S.; Ricaud, P.; Zbinden, R.

2016

Toward improving the representation of the water cycle at High Northern Latitudes.

Lahoz, W.A.; Svendby, T.; Griesfeller, A.; Kristiansen, J.

2016

Uncertainty in mapping urban air quality using crowdsourcing techniques.

Schneider, P.; Castell, N.; Lahoz, W.; Bartonova, A.; the CITI-SENSE Consortium Team.

2016

Exploiting crowdsourced observations: High-resolution mapping of real-time urban air quality throughout Europe.

Schneider, P.; Castell, N.; Vallejo, I.; van den Bossche, J.; Lahoz, W.; Bartonova, A.; the CITI-SENSE Consortium Team.

2016

Evaluation of satellite soil moisture products over Norway using ground-based observations.

Griesfeller, A.; Lahoz, W.A.; de Jeu, R.A.M.; Dorigo, W.; Haugen, L.E.; Svendby, T.M.; Wagner, W.

2016

High-resolution mapping of urban air quality using low-cost sensors.

Schneider, P.; Castell, N.; Van den Bossche, J.; Lahoz, W.

2015

Earth observation.

Lahoz, W.

2015

Making visible the invisible: communicating air quality.

Castell, N.; Noll, J.; Fayyad, S.; Fredriksen, M.F.; Schneider, P.; Liu, H.-Y.; Lahoz, W.

2015

Toward improving the representation of the water cycle at High Northern Latitudes.

Lahoz, W.A.; Svendby, T.; Griesfeller, A.; Kristiansen, J.

2015

Observing System Simulation Experiments for air quality.

Timmermans, R.; Lahoz, W.A.; Attié, J.-L.; Peuch, V.-H.; Curier, L.; Edwards, D.; Eskes, H.; Builtjes, P.

2015

Estimating personal exposure to air pollution – can wearable low-cost sensors help?

Castell, N.; Liu, H.-Y.; Schneider, P.; Lahoz, W.; Bartonova, A.

2015

Towards a personalized environmental health information service using low-cost sensors and crowdsourcing.

Castell, N.; Liu, H.-Y.; Schneider, P.; Cole-Hunter, T.; Lahoz, W.; Bartonova, A.

2015

Mobile technologies and services for environmental monitoring: The Citi-Sense-MOB approach.

Castell, N.; Kobernus, M.; Liu, H.-Y.; Schneider, P.; Lahoz, W.; Berre, A.J.; Noll, J.

2015

Data assimilation and statistical post-processing for numerical air quality predictions.

Steinbakk, G. H, Thorarinsdottir, T. L.; Lahoz, W. A.; Walker, S.-E.

2014

Chemical data assimilation.

Errera, Q.; Lahoz, W.; Chabrillat, S.

2014

Toward assimilation of satellite soil products over Europe.

Lahoz, W.; Svendby, T.; Griesfeller, A.

2014

Assimilation in catchment-scale model.

Lahoz, W.; Svendby, T.; Griesfeller, A.; Kjølerbakken, M.

2014

Modelling and data fusion in CITI-Sense.

Schneider, P.; Lahoz, W.

2014

Can low-cost air quality sensors help citizens to create smart cities?

Castell, N.; Liu, H.-Y.; Kobernus, M.; Schneider, P.; Lahoz, W.; Grossberndt, S.; Bartonova, A.

2014

Tropospheric CO vertical profiles deduced from total columns using data assimilation: methodology and validation.

El Amraoui, L.; Attié, J.-L.; Ricaud, P.; Lahoz, W. A.; Piacentini, A.; Peuch, V.-H.; Warner, J. X.; Abida, R.; Barré, J.; Zbinden, R.

2014

Fighting air pollution: people can help.

Castell, N.; Liu, H.-Y.; Kobernus, M.; Schneider, P.; Lahoz, W.; Bartonova, A.

2014

The earth’s hydrological cycle.

Bengtsson, L.; Bonnet, R.-M.; Calisto, M.; Destouni, G.; Gurney, R.; Johannessen, J.; Kerr, Y.; Lahoz, W.A.; Rast, M. (eds.)

2014

Bok

The added value of a visible channel to a geostationary thermal infrared instrument to monitor ozone for air quality.

Hache, E.; Attié, J.-L.; Tourneur, C.; Ricaud, P.; Coret, L.; Lahoz, W. A.; El Amraoui, L.; Josse, B.; Hamer, P.; Warner, J.; Liu, X.; Chance, K.; Höpfner, M.; Spurr, R.; Natraj, V.; Kulawik, S.; Eldering, A.; Orphal, J.

2014

Added value of a geostationary thermal infrared and visible instrument to monitor ozone for air quality.

Hache, E.; Attié, J.-L.; Tourneur, C.; Ricaud, P.; Coret, L.; Lahoz, W.; El Amraoui, L.; Josse, B.; Hamer, P.; Warner, J.; Liu, X.; Chance, K.; Höpfner, M.; Spurr, R.; Natraj, V.; Kulawik, S.; Eldering, A.; Orphal, J.

2014

Building and evaluating sensor-based Citizens’ Observatories for improving quality of life in cities.

Castell, N.; Lahoz, W.; Schneider, P.; Hoiskar, B.A.; Grossberndt, S.; Naderer, C.; Robinson, J.; Kocman, D.; Horvat, M.; Bartonova, A.

2014

Global carbon monoxide products from combined AIRS, TES and MLS measurements on A-train satellites.

Warner, J. X.; Yang, R.; Wei, Z.; Carminati, F.; Tangborn, A.; Sun, Z.; Lahoz, W.; Attié, J.-L.; El Amraoui, L.; Duncan, B.

2014

Combined data assimilation of ozone tropospheric columns and stratospheric profiles in a high-resolution CTM.

Barré, J.; Peuch, V.-H.; Lahoz, W. A.; Attié, J.-L.; Josse, B.; Piacentini, A.; Eremenko, M.; Dufour, G.; Nedelec, P.; von Clarmann, T.; El Amraoui, L.

2014

Evaluation of soil moisture products over Norway.

Griesfeller, A.; Lahoz, W.A.; Svendby, T.M.; Haugen, L.M.; Wagner, W.; Dorigo, W.; Kerr, Y.; de Jeu, R.A.M.; Kristiansnen, J.

2013

Evaluation of SMOS and ASCAT soil moisture products over Norway using ground-based in situ observations.

Griesfeller, A.; Lahoz, W.A.; Svendby, T.M.; Haugen, L.M.; Wagner, W.; Dorigo, W.; Kerr, Y.; de Jeu, R.A.M.

2013

Evaluation of SMOS and ASCAT soil moisture products over Norway using ground-based in situ observations.

Griesfeller, A.; Lahoz, W.A.; Svendby, T.M.; Haugen, L.M.; Wagner, W.; Dorigo, W.; Kerr, Y.; de Jeu, R.A.M.

2013

Estimation of diurnal variability.

Griesfeller, A.; Lahoz, W.

2013

Evaluation of SMOS and ASCAT soil moisture products over Norway using ground-based in situ observations.

Griesfeller, A.; Lahoz, W.A.; Svendby, T.M.; Haugen, L.M.; Wagner, W.; Dorigo, W.; Kerr, Y.; de Jeu, R.A.M.

2013

Monitoring air quality: the role of OSSEs in determining the future global observing system.

Lahoz, W.; Attie, J.L.; Abida, R.; El Amraoui, L.; Hache, E.; Ricaud, P.; Peuch, V.H.; Orphal, J.

2013

An OSSE to study the impact of S4/5 spaceborne observations on air quality data assimilation systems.

Eskes, H.,Veefkind, P.; Williams, J.; Nijhuis, A.O.; de Haan, J.; Attie, J.; Abida, R.; Ricaud, P.; El Amraoui, L.; Curier, L.; Segers, A.; Kujanpaa, J.; Tamminen, J.; Lahoz, W.

2013

Evaluation of SMOS and ASCAT soil moisture products over Norway using ground-based in situ observations.

Griesfeller, A.; Lahoz, W.A.; Svendby, T.M.; Haugen, L.M.; Wagner, W.; Dorigo, W.; Kerr, Y.; de Jeu, R.A.M.

2013

Diagnosing the transition layer at extratropical latitudes using MLS O3 and MOPITT CO analyses.

Barré, J.; El Amraoui, L.; Ricaud, P.; Lahoz, W. A.; Attié, J.-L.; Peuch, V.-H.; Josse, B.; Marécal, V.

2013

Soil moisture over Norway.

Griesfeller, A.; Lahoz, W.A.; Svendby, T.

2012

SMOS Prodex.

Griesfeller, A.; Lahoz, W.A.; Svendby, T.

2012

Novel methods to characterize errors in soil moisture datasets.

Lahoz, W.A.; Svendby, T.; Griesfeller, A.

2012

Conceptual problems: general overview.

Lahoz, W.A.; De Lannoy, G.

2012

CITI-SENSE: Development of a sensor-based citizens’ observatory community for improving quality of life in cities.

Castell-Balaguer, N.; Bartonova, A.; Grossberndt, S.; Lahoz, W.; Schneider, P.; Vik, A.

2012

Spatio-temporal variability of the polar middle atmosphere. Insights from over 30 years of research satellite observations.

Lahoz, W.A.; Orsolini, Y.J.; Manney, G.L.; Minschwaner, K.; Allen, D.R.; Errera, Q.; Jackson, D.R.; Lambert, A.; Lee, J.; Pumphrey, H.; Schwartz, M.; Wu, D.

2012

Monitoring air quality: the role of OSSEs in determining the future global observing system.

Lahoz, W.; Attie, J.L.; El Amraoui, L.; Hache, E.; Ricaud, P.; Dupont, R.; Jamouille, E.; Orphal, J.; Flaud, J.M.; Peuch, V.H.

2012

New perspectives of gravity wave remote sensing through ESA’s candidate mission PREMIER.

Preusse, P.; Hoffmann, L.; Lehmann, C.; Alexander, M.J.; Broutman, D.; Chun, H.Y.; Dudhia, A.; Hertzog, A.; Hoepfner, M.; Kim, Y.H.; Lahoz, W.; Ma, J.; Pulido, M.; Riese, M.; Sembhi, H.; Wuest, S.; Alishahi, V.; Bittner, M.; Ern, M.; McConnel, J.C.; Sofieva, V.

2012

Stratosphere-troposphere ozone exchange from high resolution MLS ozone analyses.

Barré, J.; Peuch, V.-H.; Attié, J.-L.; El Amraoui, L.; Lahoz, W. A.; Josse, B.; Claeyman, M.; Nédélec, P.

2012

Monitoring air quality from space: the case for the geostationary platform.

Lahoz, W.A.; Peuch, V.-H.; Orphal, J.; Attié, J.-L.; Chance, K.; Liu, X.; Edwards, D.; Elbern, H.; Flaud, J.-M.; Claeyman, M.; El Amraoui, L.

2012

A thermal infrared instrument onboard a geostationary platform for CO and O3 measurements in the lowermost troposphere: Observing System Simulation Experiments (OSSE).

Claeyman, M.; Attié, J.-L.; Peuch, V.-H.; El Amraoui, L.; Lahoz, W. 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.

2011

A geostationary thermal infrared sensor to monitor the lowermost troposphere: O3 and CO retrieval studies.

Claeyman, M.; Attié, J.-L.; Peuch, V.-H.; El Amraoui, L.; Lahoz, W.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.

2011

Observing system simulation experiment.

Masutani, M.; Schlatter, T.W.; Errico, R.M.; Stoffelen, A.; Andersson, E.; Lahoz, W.; Woollen, J.S.; Emmitt, G.D.; Riishøjgaard, L.P.; Lord, S.J.

2010

Constituent assimilation.

Lahoz, W.; Errera, Q.

2010

General concepts in meteorology and dynamics.

Charlton-Perez, A.; Lahoz, W.; Swinbank, R.

2010

Assimilation for Norway.

Lahoz, W.; Svendby, T.; Johnsrud, M.

2010

Data assimilation and information.

Lahoz, W.; Khattatov, B.; Ménard, R.

2010

The NILU SURFEX-EnKF land data assimilation system.

Lahoz, W.; Svendby, T.; Walker, S.-E.; Mahfouf, J.-F.

2010

Data assimilation. Making sense of observations.

Lahoz, W.; Khattatov, B.; Ménard, R. (eds.)

2010

Bok

The NILU SURFEX-EnKF land data assimilation system.

Lahoz, W.; Walker, S.-E.; Dammann, D.

2010

Expanding collaboration in Joint OSSEs.

Masutani, M.; Errico, R.; Schlatter, T.W.; Woollen, J.S.; Xie, Y.; Zhu, T.; Prive, N.; Yang, R.; Riishojgaard, L.P.; Stoffelen, A.; Marseille, G.-J.; Andersson, E.; Weng, F.; Kleespies, T.J.; Reale, O.; Emmitt, G.D.; Greco, S.; Wood, S.A.; Hill, C.; Anantharaj, V.; Fitzpatrick, P.; Fan, X.; Pryor, H.; Salmon, E.; Liu, H.-C.; Sienkiewicz, M.,Silva, A. da, Sun, H.; Song, Y.; Govett, M.; Pu, Z.; Cucurull, L.; Lord, S.J.; Devenyi, D.; Birkenheuer, D.L.; Jung, T.; Thompkins, A.; Groff, D.; Kleist, D.; Treadon, R.; Fielding, K.; Lahoz, W.; Brin, E.; Toth, Z.; Sato, Y.; Hu, M.; Weygandt, S.; McGill, M.J.; Miyosh, T.; Enomoto, T.; Watanabe, M.; Koyama, H.; Rochen, Y.; Seablom, M.; Hauss, B.I.; Burn, R.; Higgins, G.; Atlas, R.; Koch, S.; Wang, H.; Chen, Y.; Huang, X.-Y.

2009

The ASSET intercomparison of stratosphere and lower mesosphere humidity analyses.

Thornton, H. E.; Jackson, D. R.; Bekki, S.; Bormann, N.; Errera, Q.; Geer, A. J.; Lahoz, W. A.,, Rharmili, S.

2009

4D-Var assimilation of MIPAS chemical observations: Ozone and nitrogen dioxide analyses.

Errera, Q.; Daerden, F.; Chabrillat, S.; Lambert, J.C.; Lahoz, W.A.; Viscardy, S.; Bonjean, S.; Fonteyn, D.

2008

Editoral: The COST 723 Action.

Lahoz, W.A.; Geer, A.J.; Orsolini, Y.J.

2007

The COST 723 Action.

Lahoz, W.A.; Buehler, S.A.; Legras, B.

2007

The Assimilation of Envisat data (ASSET) project.

Lahoz, W.A.; Geer, A.J.; Bekki, S.; Bormann, N.; Ceccherini, S.; Elbern, H.; Errera, Q.; Eskes, H.J.; Fonteyn, D.; Jackson, D.R.; Khattatov, B.; Marchand, M.; Massart, S.; Peuch, V.-H.; Rharmili, S.; Ridolfi, M.; Segers, A.; Talagrand, O.; Thornton, H.E.; Vik, A.F.; von Clarmann, T.

2007