Alexander BARTH
University of Liège
Allée du Six-Août, 17
4000 Liège, Belgium

Phone: +32-4-3663664
Fax: +32-4-3662355

Curriculum vitae

1 Personal Details

Born in Eupen, Belgium on September 7, 1978; Belgian citizen

2 Research interests

3 Position

Research Associate of the Belgian National Fund of Scientific Research (Chercheur Qualifié, F.R.S.-FNRS) at the University of Liège with Prof. Jean-Marie Beckers
Research Fellow of the Belgian National Fund of Scientific Research (Chargé de Recherches, F.R.S.-FNRS) at the University of Liège with Prof. Jean-Marie Beckers
Postdoctoral research at the University of South Florida with Prof. Robert H. Weisberg as Research Associate.

4 Educational Background

PhD in Oceanography, University of Liège, Belgium funded by the FRIA (Fond pour la formation à la Recherche dans l’Industrie et dans l’Agriculture). The dissertation is entitled “Assimilation of sea surface temperature and sea surface height in a two-way nested primitive equation model of the Ligurian Sea”.
March 2001:
”The Oxford/RAL Spring School in Quantitative Earth Observation” focused on data assimilation (from March 12 to March 23, 2001) and a presentation on the Extended Kalman Filter applied on a 1D hydrodynamic model.
Master in Modelling of the Marine Environment, University of Liège (Belgium) with very good pass.
MSc in Physics at the University of Liège (Belgium) with the greatest distinction.

5 Awards

6 Grants

7 Teaching

7.1 Lectures at the University of Liege

7.2 Summer schools and seminars

8 Supervision and mentoring of students and visiting scientists

9 Membership

10 Projects

10.1 Participating as PI

EMODNET Ingestion
Ingestion and safe-keeping of marine data (EU - EASME), 07/11/2016 – 6/11/2019
Pan-European infrastructure for marine and ocean data management (EU - H2020), 01/10/2016 – 30/09/2020
Propagating information back from coastal/regional models to CMEMS (EU - CMEMS), 01/01/2016 – 31/12/2017
Functional biodiversity in a Changing sedimentary Environment: Implications for biogeochemistry and food webs in a managerial setting (Belspo - BRAIN-be), 15/12/2015 – 14/12/2019
Understanding and predicting Antarctic sea ice variability at the decadal timescale (Belspo project SD/CA/04A), 15/12/2010 – 28/05/2015

10.2 Participating as collaborator

(Satellite-based ocean forecasting): Development of a two-way nested-model of the Ligurian Sea with assimilation of sea surface temperature and sea surface height.
(SouthEast U.S. Atlantic Coastal Ocean Observing System): Implementation of a West Florida Shelf ROMS model.
(U.S. GODAE: Global Ocean Prediction with the Hybrid Coordinate Ocean Model (HYCOM)): Nesting of the West Florida Shelf ROMS mode in the North Atlantic HYCOM model.
(Coastal Ocean Data Assimilation Experiment): Assimilation high-frequency radar surface currents in the West Florida Shelf ROMS model.
(European COastal sea Operational observing and Forecasting): Assimilation high-frequency radar surface currents in the German Bight GETM model.
SeaDataNet I
(Pan-European infrastructure for marine and ocean data management): Development of a web interface for using Data Interpolating Variational Analysis (Diva) and web-based visualization of climatologies (
EMODNET Chemistry I
(European Marine Observation and Data Network): Adaptation and development of variational inverse methods (DIVA) to chemical in situ observations.
A European project providing new developments in data assimilation for future operational forecasting and monitoring systems.
SeaDataNet II
(Pan-European infrastructure for marine and ocean data management): Development of a web interface for using Data Interpolating Variational Analysis (Diva) and web-based visualization of climatologies (
EMODNET Chemistry II
(European Marine Observation and Data Network): Adaptation and development of variational inverse methods (DIVA) to chemical in situ observations and web-based product visualization.
(European Marine Observation and Data Network): Adaptation and development of variational inverse methods (DIVA) to biological in situ observations.

11 Invited presentations and keynotes

12 Service

13 Publications

13.1 Peer Reviewed Articles

Note: a continuously updated list is available here.

[1]     A. Barth, S. Watelet, C. Troupin, A. Alvera-Azcárate, and J.-M. Beckers. Oceanographic and Marine Cross-Domain Data Management for Sustainable Development, chapter Analysis of Ocean in Situ Observations and Web-Based Visualization: From Individual Measurements to an Integrated View, pages 345–371. IGI Global, Hershey, PA, 2017.

[2]     A. Alvera-Azcárate, A. Barth, G. Parard, and J.-M. Beckers. Analysis of SMOS sea surface salinity data using DINEOF. Remote Sensing of Environment, 180:137 – 145, 2016. doi: 10.1016/j.rse.2016.02.044. Special Issue: ESA’s Soil Moisture and Ocean Salinity Mission - Achievements and Applications.

[3]     A. Barth, Y. Yan, A. Alvera-Azcárate, and J.-M. Beckers. Local ensemble assimilation scheme with global constraints and conservation. Ocean Dynamics, 66(12):1651–1664, 2016. doi: 10.1007/s10236-016-0999-y.

[4]     M. Canter, A. Barth, and J.-M. Beckers. Correcting circulation biases in a lower-resolution global general circulation model with data assimilation. Ocean Dynamics, pages 1–18, 2016. doi: 10.1007/s10236-016-1022-3.

[5]     H.-N. Huynh, A. Alvera-Azcárate, A. Barth, and J.-M. Beckers. Reconstruction and analysis of long-term satellite-derived sea surface temperature for the South China Sea. Journal of Oceanography, 72(5):707–726, 2016. doi: 10.1007/s10872-016-0365-1.

[6]     L. Vandenbulcke, J.-M. Beckers, and A. Barth. Correction of inertial oscillations by assimilation of HF radar data in a model of the Ligurian Sea. Ocean Dynamics, pages 1–19, 2016. doi: 10.1007/s10236-016-1012-5.

[7]     A. Alvera-Azcárate, Q. Vanhellemont, K. Ruddick, A. Barth, and J.-M. Beckers. Analysis of high frequency geostationary ocean colour data using DINEOF. Estuarine, Coastal and Shelf Science, 159:28 – 36, 2015. doi: 10.1016/j.ecss.2015.03.026.

[8]     A. Barth, M. Canter, B. Van Schaeybroeck, S. Vannitsem, F. Massonnet, V. Zunz, P. Mathiot, A. Alvera-Azcárate, and J.-M. Beckers. Assimilation of sea surface temperature, sea ice concentration and sea ice drift in a model of the Southern Ocean. Ocean Modelling, 93:22 – 39, 2015. doi: 10.1016/j.ocemod.2015.07.011.

[9]     V.H. Kourafalou, P. De Mey, J. Staneva, N. Ayoub, A. Barth, Y. Chao, M. Cirano, J. Fiechter, M. Herzfeld, A. Kurapov, A.M. Moore, P. Oddo, J. Pullen, A. Van Der Westhuysen, and R. H. Weisberg. Coastal Ocean Forecasting: science foundation and user benefits. 8(1):s147–s167, 2015. doi: 10.1080/1755876X.2015.1022348.

[10]     L. Vandenbulcke and A. Barth. A stochastic operational forecasting system of the Black Sea: Technique and validation. Ocean Modelling, 93:7 – 21, 2015. doi: 10.1016/j.ocemod.2015.07.010.

[11]     Y. Yan, A. Barth, J. M. Beckers, G. Candille, J. M. Brankart, and P. Brasseur. Ensemble assimilation of ARGO temperature profile, sea surface temperature, and altimetric satellite data into an eddy permitting primitive equation model of the North Atlantic Ocean. Journal of Geophysical Research: Oceans, 120(7):5134–5157, 2015. doi: 10.1002/2014JC010349.

[12]     A. Barth, J.-M. Beckers, C. Troupin, A. Alvera-Azcárate, and L. Vandenbulcke. divand-1.0: n-dimensional variational data analysis for ocean observations. Geoscientific Model Development, 7(1):225–241, 2014. doi: 10.5194/gmd-7-225-2014.

[13]     J.-M. Beckers, A. Barth, I. Tomazic, and A. Alvera-Azcárate. A method to generate fully multi-scale optimal interpolation by combining efficient single process analyses, illustrated by a DINEOF analysis spiced with a local optimal interpolation. Ocean Science, 10(5):845–862, 2014. doi: 10.5194/os-10-845-2014.

[14]     J.-M. Beckers, A. Barth, C. Troupin, and A. Alvera-Azcárate. Approximate and efficient methods to assess error fields in spatial gridding with data interpolating variational analysis (DIVA). Journal of Atmospheric and Oceanic Technology, 31:515–530, 2014. doi: 10.1175/JTECH-D-13-00130.1.

[15]     J. Marmain, A. Molcard, P. Forget, A. Barth, and Y Ourmières. Assimilation of HF radar surface currents to optimize forcing in the northwestern Mediterranean Sea. Nonlinear Processes Geophysics, 21:659–675, 2014. doi: 10.5194/npg-21-659-2014.

[16]     Y. Yan, A. Barth, and J.M. Beckers. Comparison of different assimilation schemes in a sequential Kalman filter assimilation system. Ocean Modelling, 73(0):123–137, 2014. doi: 10.1016/j.ocemod.2013.11.002.

[17]     A. Alvera-Azcárate, A. Barth, D. Sirjacobs, and J.-M. Beckers. Outlier detection in satellite data using spatial coherence. Remote Sensing of Environment, 119:84–91, 2012. doi: 10.1016/j.rse.2011.12.009.

[18]     A. Capet, A. Barth, J.-M. Beckers, and M. Grégoire. Interannual variability of Black Sea’s hydrodynamics and connection to atmospheric patterns. Deep-Sea Research Part II, Topical Studies in Oceanography, 77–80:128–142, 2012. doi: 10.1016/j.dsr2.2012.04.010.

[19]     C. Troupin, A. Barth, D. Sirjacobs, M. Ouberdous, J.-M. Brankart, P. Brasseur, M. Rixen, A. Alvera-Azcárate, M. Belounis, A. Capet, F. Lenartz, M.-E. Toussaint, and J.-M. Beckers. Generation of analysis and consistent error fields using the Data Interpolating Variational Analysis (DIVA). Ocean Modelling, 52–53:90–101, 2012. doi: 10.1016/j.ocemod.2012.05.002.

[20]     A. Alvera-Azcárate, A. Barth, D. Sirjacobs, F. Lenartz, and J.-M. Beckers. Data Interpolating Empirical Orthogonal Functions (DINEOF): a tool for geophysical data analyses. Special Issue for the IMDIS 2008 conference. Mediterranean Marine Science, 12(3):5–11, 2011.

[21]     A. Alvera-Azcárate, A. Barth, R. H. Weisberg, J. J. Castañeda, L. Vandenbulcke, and J.-M. Beckers. Thermocline characterization in the Cariaco basin: a modelling study of the thermocline annual variation and its relation with winds and chlorophyll-a concentration. Continental Shelf Research, 31:73–84, 2011. doi: 10.1016/j.csr.2010.11.006.

[22]     A. Alvera-Azcárate, C. Troupin, A. Barth, and J.-M. Beckers. Comparison between satellite and in situ sea surface temperature data in the Western Mediterranean Sea. Ocean Dynamics, 61:767–778, 2011. doi: 10.1007/s10236-011-0403-x.

[23]     A. Barth, A. Alvera-Azcárate, J.-M. Beckers, J. Staneva, E. V. Stanev, and J. Schulz-Stellenfleth. Correcting surface winds by assimilating High-Frequency Radar surface currents in the German Bight. Ocean Dynamics, 61(5):599–610, 2011. doi: 10.1007/s10236-010-0369-0.

[24]     D. Sirjacobs, A. Alvera-Azcárate, A. Barth, G. Lacroix, Y. Park, B. Nechad, K. Ruddick, and J.-M. Beckers. Cloud filling of ocean color and sea surface temperature remote sensing products over the southern north sea by the data interpolating empirical orthogonal functions methodology. Journal of Sea Research, 65(1):114–130, 2011. doi: 10.1016/j.seares.2010.08.002.

[25]     A. Barth, A. Alvera-Azcárate, K.-W. Gurgel, J. Staneva, A. Port, J.-M. Beckers, and E. V. Stanev. Ensemble perturbation smoother for optimizing tidal boundary conditions by assimilation of High-Frequency radar surface currents - application to the German Bight. Ocean Science, 6(1):161–178, 2010. doi: 10.5194/os-6-161-2010.

[26]     A. Barth, A. Alvera-Azcárate, C. Troupin, M. Ouberdous, and J.-M. Beckers. A web interface for gridding arbitrarily distributed in situ data based on Data-Interpolating Variational Analysis (Diva). Advances in Geosciences, 28:29–37, 2010. doi: 10.5194/adgeo-28-29-2010.

[27]     F. Lenartz, B. Mourre, A. Barth, J.-M. Beckers, L. Vandenbulcke, and M. Rixen. Enhanced ocean temperature forecast skills through 3-D super-ensemble multi-model fusion. Geophysical Research Letters, 37:L19606, 2010. doi: 10.1029/2010GL044591.

[28]     C. Troupin, F. Machin, M. Ouberdous, D. Sirjacobs, A. Barth, and J.-M. Beckers. High-resolution climatology of the north-east atlantic using data-interpolating variational analysis (Diva). Journal of Geophysical Research, 115:C08005, 2010. doi: 10.1029/2009JC005512.

[29]     A. Alvera-Azcárate, A. Barth, D. Sirjacobs, and J.-M. Beckers. Enhancing temporal correlations in EOF expansions for the reconstruction of missing data using DINEOF. Ocean Science, 5:475–485, 2009. doi: 10.5194/os-5-475-2009.

[30]     A. Alvera-Azcárate, A. Barth, and R. H. Weisberg. A nested model of the Cariaco Basin (Venezuela): description of the basin interior hydrography and interactions with the open ocean. Ocean Dynamics, 59:97–120, 2009. doi: 10.1007/s10236-008-0169-y.

[31]     A. Alvera-Azcárate, A. Barth, and R. H. Weisberg. The surface circulation of the Caribbean Sea and the Gulf of Mexico as inferred from satellite altimetry. Journal of Physical Oceanography, 39:640–657, 2009. doi: 10.1175/2008JPO3765.1.

[32]     A. Barth, A. Alvera-Azcárate, J.-M. Beckers, R. H. Weisberg, L. Vandenbulcke, F. Lenartz, and M. Rixen. Dynamically constrained ensemble perturbations - application to tides on the West Florida Shelf. Ocean Science, 5(3):259–270, 2009. doi: 10.5194/os-5-259-2009.

[33]     E. P. Chassignet, H. E. Hurlburt, E. J. Metzger, O. M. Smedstad, J. Cummings, G. R. Halliwell, R. Bleck, R. Baraille, A. J. Wallcraft, C. Lozano, H. L. Tolman, A. Srinivasan, S. Hankin, P. Cornillon, R. Weisberg, A. Barth, R. He, F. Werner, and J. Wilkin. U.S. GODAE: Global Ocean Prediction with the HYbrid Coordinate Ocean Model (HYCOM). Oceanography, 22:64–75, 2009. doi: 10.5670/oceanog.2009.39.

[34]     G. R. Halliwell, A. Barth, R. H. Weisberg, P. Hogan, O. M. Smedstad, and J. Cummings. Impact of GODAE products on nested HYCOM simulations of the West Florida Shelf. Ocean Dynamics, 59:139–155, 2009. doi: 10.1007/s10236-008-0173-2.

[35]     L. Vandenbulcke, J.-M. Beckers, F. Lenartz, A. Barth, P.-M. Poulain, M. Aidonidis, J. Meyrat, F. Ardhuin, M. Tonani, C. Fratianni, L. Torrisi, D. Pallela, J. Chiggiato, M. Tudor, J.W. Book, P. Martin, G. Peggion, and M. Rixen. Super-Ensemble techniques: application to surface drift prediction. Progress in Oceanography, 82(3):149–167, 2009. doi: 10.1016/j.pocean.2009.06.002.

[36]     R. H. Weisberg, A. Barth, A. Alvera-Azcárate, and L. Zheng. A coordinated coastal ocean observing and modeling system for the West Florida Continental Shelf. Harmful Algae, 8(4):585–597, 2009. doi: 10.1016/j.hal.2008.11.003.

[37]     A. Barth, A. Alvera-Azcárate, and R. H. Weisberg. A nested model study of the Loop Current generated variability and its impact on the West Florida Shelf. Journal of Geophysical Research, 113:C05009, 2008. doi: 10.1029/2007JC004492.

[38]     A. Barth, A. Alvera-Azcárate, and R. H. Weisberg. Assimilation of high-frequency radar currents in a nested model of the West Florida Shelf. Journal of Geophysical Research, 113:C08033, 2008. doi: 10.1029/2007JC004585.

[39]     A. Barth, A. Alvera-Azcárate, and R. H. Weisberg. Benefit of nesting a regional model into a large-scale ocean model instead of climatology. Application to the West Florida Shelf. Continental Shelf Research, 28:561–573, 2008. doi: 10.1016/j.csr.2007.11.004.

[40]     L. Vandenbulcke, M. Rixen, J.-M. Beckers, A. Alvera-Azcárate, and A. Barth. An analysis of the error space of a high-resolution implementation of the GHER hydrodynamic model in the Mediterranean Sea. Ocean Modelling, 24(1-2):46–64, 2008. doi: 10.1016/j.ocemod.2008.05.007.

[41]     A. Alvera-Azcárate, A. Barth, J.-M. Beckers, and R. H. Weisberg. Multivariate reconstruction of missing data in sea surface temperature, chlorophyll and wind satellite field. Journal of Geophysical Research, 112:C03008, 2007. doi: 10.1029/2006JC003660.

[42]     A. Alvera-Azcárate, A. Barth, Z. Ben Bouallègue, M. Rixen, and J.-M. Beckers. Forecast Verification of a 3D model of the Ligurian Sea. The use of Discrete Wavelet Transforms in the skill assessment of spatial forecasts. Journal of Marine Systems, 65(1–4):460–483, 2007. doi: 10.1016/j.jmarsys.2005.09.015.

[43]     A. Barth, A. Alvera-Azcárate, J.-M. Beckers, M. Rixen, and L. Vandenbulcke. Multigrid state vector for data assimilation in a two-way nested model of the Ligurian Sea. Journal of Marine Systems, 65(1-4):41–59, 2007. doi: 10.1016/j.jmarsys.2005.07.006.

[44]     A. Barth, J.-M. Beckers, A. Alvera-Azcárate, and R. H. Weisberg. Filtering inertia-gravity waves from the initial conditions of the linear shallow water equations. Ocean Modelling, 19:204–218, 2007. doi: 10.1016/j.ocemod.2007.06.007.

[45]     C. Raick, A. Alvera-Azcarate, A. Barth, J.-M. Brankart, K. Soetaert, and M. Gregoire. Application of a SEEK filter to a 1D biogeochemical model of the Ligurian Sea: twin experiments and real in-situ data assimilation. Journal of Marine Systems, 65(1–4):561–583, 2007. doi: 10.1016/j.jmarsys.2005.06.006.

[46]     A. Barth, A. Alvera-Azcárate, J.-M. Beckers, and M. Rixen. Coupling a two-way nested primitive equation model and a statistical SST predictor of the Ligurian Sea via data assimilation. Ocean Modelling, 13(3–4):255–270, 2006. doi: 10.1016/j.ocemod.2006.02.003.

[47]     J.-M. Beckers, A. Barth, and A. Alvera-Azcárate. DINEOF reconstruction of clouded images including error maps. Application to the Sea Surface Temperature around Corsican Island. Ocean Science, 2:183–199, 2006. doi: 10.5194/os-2-183-2006.

[48]     L. Vandenbulcke, A. Barth, M. Rixen, A. Alvera-Azcárate, Z. Ben Bouallegue, and J.-M. Beckers. Study of the combined effects of data assimilation and grid nesting in ocean models. Application to the Gulf of Lions. Ocean Science, 2(2):213–222, 2006. doi: 10.5194/os-2-213-2006.

[49]     A. Alvera-Azcárate, A. Barth, M. Rixen, and J.-M. Beckers. Reconstruction of incomplete oceanographic data sets using Empirical Orthogonal Functions. Application to the Adriatic Sea Surface Temperature. Ocean Modelling, 9:325–346, 2005. doi: 10.1016/j.ocemod.2004.08.001.

[50]     A. Barth, A. Alvera-Azcárate, M Rixen, and J.-M. Beckers. Two-way nested model of mesoscale circulation features in the Ligurian Sea. Progress In Oceanography, 66:171–189, 2005. doi: 10.1016/j.pocean.2004.07.017.

[51]     M. Rixen, S. Alderson, J. T. Allen, A. Barth, J.-M. Beckers, V. Cornell, N. Crisp, S. Fielding, A. T. Mustard, R. T. Pollard, E. E. Popova, D. A. Smeed, and M. A. Srokosz. Along or across front survey strategy? An operational example at an unstable oceanic front. Geophysical Research Letters, 30(1):1017, 2003. doi: 10.1029/2002GL015341.

13.2 Presentations

More than 100 presentations as author or co-author on various conferences and workshops (EGU, AGU, Liège Colloquium, IUGG, ...).

14 Languages

15 Programming Languages