Dr. Jan Walstra

Geologist
Jan Walstra
Contact
Phone:
+32 (0)2 788 76 60
Key Publications
J. Walstra, Heyvaert, V. M. A. , et Verkinderen, P. , « Mapping Late Holocene landscape evolution and human impact - a case study from Lower Khuzestan (SW Iran) », in Geomorphological mapping: methods and applications, vol. 15, M. J. smith, Paron, P. , et Griffith, J. S. Amsterdam, the Netherlands: Elsevier, 2011, p. 551-575.
J. Walstra, Chandler, J. H. , Dixon, N. , et Wackrow, R. , « Evaluation of the controls affecting the quality of spatial data derived from historical aerial photographs », Earth Surface Processes and Landforms, vol. 36, nᵒ 7, p. 853-863, 2010.
J. Walstra, Heyvaert, V. M. A. , et Verkinderen, P. , « Assessing human impact on alluvial fan development: a multidisciplinary case-study from Lower Khuzestan (SW Iran) », Geodinamica Acta, vol. 23, nᵒ 5-6, p. 267-285, 2010.
J. Walstra, Dixon, N. , et Chandler, J. H. , « Historical aerial photographs for landslide assessment: two case histories », Quarterly Journal of Engineering Geology and Hydrogeology, vol. 40, nᵒ 4, p. 315-332, 2007.
Professional experiences

01/09/2011 > ongoing: Geologist, GIS & Remote Sensing Expert

Royal Belgian Institute of Natural Sciences

01/04/2007 > 31/08/2011: Research Fellow

Ghent University

01/07/2006 > 31/03/2007: Consultant

ADC ArcheoProjecten
Academic training

01/04/2003 > 31/03/2006: Civil & Building Engineering

PhD
Loughborough University

01/09/1997 > 31/08/2002: Physical Geography

MSc
Utrecht University

2018

J. Walstra, Declercq, P. - Y. , Barbier, C. , Bejarano-Urrego, L. , Croonenborghs, T. , Derauw, D. , Drougkas, A. , Hayen, R. , Hocquet, F. - P. , Shimoni, M. , Van Balen, K. , et Verstrynge, E. , « The GEPATAR project: GEotechnical and Patrimonial Archives Toolbox for ARchitectural conservation in Belgium », in 6th Geologica Belgica Meeting 2018, 2018.
J. Walstra, Leterme, B. , Geukens, L. , Heyvaert, V. , Huysmans, M. , Jacques, D. , Neyens, C. , Schoonejans, J. , Smolders, E. , Springael, D. , et Van Wesemael, B. , « The RESPONSE project: Reactive transport modelling of point source contamination in soils and groundwater », in Geophysical Research Abstracts, 2018, vol. 20, p. EGU2018-15217.
K. Piessens, Debacker, T. N. , Heuvelmans, G. , Laenen, B. , Beerten, K. , Burlet, C. , De Ceukelaire, M. , Declercq, P. - Y. , Slenter, C. , Corluy, J. , De Craen, M. , Decrée, S. , De Nil, K. , Devleeschouwer, X. , Ferket, H. , Gedeon, M. , Goemaere, E. , Goovaerts, T. , Heyvaert, V. , Leduc, T. , Petitclerc, E. , Rogiers, B. , Vanbrabant, Y. , Vandamme, M. , Van Noten, K. , Walstra, J. , et Welkenhuysen, K. , « Understanding the Earth for the people that inhabit it: Belgian and Flemish institutes joining hands in the framework of GeoERA », in 6th Geologica Belgica Meeting 2018, 2018.
E. Garrett, Fujiwara, O. , Riedesel, S. , Walstra, J. , Deforce, K. , Yokoyama, Y. , Schmidt, S. , Brückner, H. , De Batist, M. , et Heyvaert, V. , « Historical Nankai-Suruga megathrust earthquakes recorded by tsunami and terrestrial mass movement deposits on the Shirusuka coastal lowlands, Shizuoka Prefecture, Japan », The Holocene, 2018.
E. Garrett, Fujiwara, O. , Riedesel, S. , Walstra, J. , Deforce, K. , Yokoyama, Y. , Schmidt, S. , Brückner, H. , De Batist, M. , Heyvaert, V. M. A. , et Team, T. QuakeRecNa, « Historical Nankai-Suruga megathrust earthquakes recorded by tsunami and terrestrial mass movement deposits on the Shirasuka coastal lowlands, Shizuoka Prefecture, Japan », The Holocene, 2018.

2017

K. Wils, Walstra, J. , Heyvaert, V. M. A. , et De Batist, M. , « Assessing Vertical Elevation Changes of Coastal Areas in Southern Chile to Improve The Understanding of Their Paleotsunami Sedimentary Records », in Abstract Book of FRINGE 2017 Workshop, 2017, p. 166-167.
E. Garrett, Riedesel, S. , Fujiwara, O. , Walstra, J. , Deforce, K. , Yokoyama, Y. , Schmidt, S. , Brill, D. , Roberts, H. M. , Duller, G. A. T. , Brückner, H. , De Batist, M. , et Heyvaert, V. , « Historical extreme wave and landslide deposits on the Shirasuka coastal lowlands, Shizuoka Prefecture, Japan », in EGU General Assembly, Vienna, Austria, April 2017, 2017.
M. Shimoni, Lopez, J. , Walstra, J. , Declercq, P. - Y. , Bejarano-Urrego, L. , Verstrynge, E. , Derauw, D. , Hayen, R. , et Van Balen, K. , « GEPATAR: A geotechnical based PS-InSAR toolbox for architectural conservation in Belgium », IEEE Proceedings, vol. IGARSS 2017, p. 5555-5558, 2017.
L. Bejarano-Urrego, Verstrynge, E. , Shimoni, M. , Lopez, J. , Walstra, J. , Declercq, P. - Y. , Derauw, D. , Hayen, R. , et Van Balen, K. , « Methodology for heritage conservation in Belgium based on multi-temporal interferometry », SPIE Proceedings, vol. 10444, 2017.
P. - Y. Declercq, Gerard, P. , Pirard, E. , Perissin, D. , Walstra, J. , et Devleeschouwer, X. , « Subsidence related to groundwater pumping for breweries in Merchtem area (Belgium), highlighted by Persistent Scaterrer Interferometry », International Journal of Applied Earth Observation and Geoinformation, vol. 63, p. 178 - 185, 2017.

2016

P. - Y. Declercq, Devleeschouwer, X. , Walstra, J. , Pirard, E. , Petitclerc, E. , Goemaere, E. , Dusar, M. , et Vanbrabant, Y. , « Overview of the ground mouvements highlighted by the Persistent Scatterer Technique (PSI) in Belgium », in 5th International Geologica Belgica 2016 Congress, Abstract Book}, publication\_type = {type, Geologica Belgica, 2016, p. 205.
T. Lanckacker, Menkovic, A. , Walstra, J. , Deckers, J. , Witmans, N. , Meyvis, B. , Dusar, M. , Bogemans, F. , Vernes, R. , VanderMeulen, M. , Dekoninck, R. , Verhaert, G. , Slenter, C. , Heskens, E. , et Heyvaert, V. M. A. , « H3O – a better understanding of Campine cross-border Cenozoic stratigraphy », in Geologica Belgica 5th International Meeting, Mons, Belgium., 2016.
J. Walstra, Vernes, R. W. , Deckers, J. , Heyvaert, V. M. A. , Bogemans, F. , Dabekaussen, W. , De Ceukelaire, M. , Bulk, M. Den, Doornenbal, H. C. , Dusar, M. , Meyvis, B. , et al, et, « H3O: Crossing borders in 3D geological modelling », in 5th International Geological Belgica 2016 Congress Conference program Abstract book, 2016, p. 282.
J. Walstra et Declercq, P. - Y. , « Time-series analysis of SAR images for detecting ground subsidence in the Scheldt estuary », in 5th International Geologica Belgica 2016 Congress: Abstract Book, 2016, p. 135.
T. Lanckacker, Menkovic, A. , Walstra, J. , Deckers, J. , Witmans, N. , Meyvis, B. , Dusar, M. , Bogemans, F. , Vernes, R. , VanderMeulen, M. , Dekoninck, R. , Verhaert, G. , Slenter, C. , Heskens, E. , et Heyvaert, V. M. A. , « H3O - a better understanding of Campine cross-border Cenozoic stratigraphy », in Geologica Belgica 5th International Meeting, Mons, Belgium., 2016.
J. Walstra et Declercq, P. - Y. , « PSI analysis of TSX archive data for urban geohazard risk management: preliminary results from Brussels », in TSX/TDX TerraSAR-X Science Team Meeting, 17-20 October 2016, DLR Oberpfaffenhofen, 2016.
V. M. A. Heyvaert, Vernes, R. W. , Deckers, J. , Bogemans, F. , Deceukelaire, M. , Dulk, M. Den, Doornenbal, H. C. , Dusar, M. , Hummelman, J. , Kiden, P. , Lanckacker, T. , Menkovic, A. , Meyvis, B. , Munsterman, D. K. , Reindersma, R. N. , Veen, J. H. ten, van de Ven, T. J. M. , Walstra, J. , Westerhoff, W. E. , et Witmans, N. , « Towards a cross-border hydrogeological model: harmonized data integration within the H3O-projects », in Geophysical Research Abstracts, 2016, vol. 18, p. EGU2016-16156-2.
K. P. Woodbridge, Parsons, D. R. , Heyvaert, V. M. A. , Walstra, J. , et Frostick, L. E. , « Characteristics of direct human impacts on the rivers Karun and Dez in lowland south-west Iran and their interactions with earth surface movements », Quaternary International, vol. 392, p. 315-334, 2016.
V. M. A. Heyvaert et Walstra, J. , « The role of long-term human impact on avulsion and fan development », Earth Surface Processes and Landforms, vol. 41, p. 2137-2152, 2016.

2015

E. Garrett, De Batist, M. , Brückner, H. , Fujiwara, O. , Heyvaert, V. M. A. , Hubert-Ferrari, A. , Yokoyama, Y. , Boes, E. , Lamair, L. , Walstra, J. , Garrett, P. , et Team, T. QuakeRecNa, « The QuakeRecNankai project: reconstructing past earthquakes and tsunamis along the Nankai Trough, south central Japan », in 4th International Tsunami Field Symposium, Phuket, Thailand, 2015.
J. Walstra et Declercq, P. - Y. , « Using PSI for assessing ground subsidence risk in the Scheldt estuary », in Abstract Book of FRINGE 2015, 2015, p. 133.
E. Garrett, De Batist, M. , Boes, E. , Brückner, H. , Fujiwara, O. , Garrett, P. , Heyvaert, V. M. A. , Hubert-Ferrari, A. , Lamair, L. , Riedesel, S. , Walstra, J. , Yokoyama, Y. , et Team, T. QuakeRecNa, « The QuakeRecNankai project: Palaeoseismic data for improved seismic hazard assessment along the Nankai Trough, Japan », in 1st Pan Pacific Palaeoseismology symposium, Durham, UK, 2015.
P. - Y. Declercq, Walstra, J. , Devleeschouwer, X. , et Goemaere, E. , « Cartography of the Belgian monuments at risk via PSI analysis of the ground movements, the GEPATAR project », in Abstract Book of FRINGE 2015, 2015, p. 246.
V. M. A. Heyvaert et Walstra, J. , « Human impact and avulsion: a long-standing relationship », in Geophysical Research Abstracts, 2015, vol. 17, p. EGU2015-10578.
J. Walstra, « Sentinel-1 data and PSI Techniques for Monitoring Inter-Seismic Earth Deformation », in 1st Pan Pacific Palaeoseismology symposium, Durham, UK, 2015.
V. M. A. Heyvaert et Walstra, J. , « River channel avulsion and the role of human action in causing or preventing flood events. », in XIX INQUA Congress, Nagoya, Japan, 2015.
E. Garrett, Heyvaert, V. M. A. , Fujiwara, O. , De Batist, M. , Brückner, H. , Yokoyama, Y. , Walstra, J. , Riedesel, S. , Brill, D. , Miyairi, Y. , Obrochta, S. , et Team, T. QuakeRecNa, « Radiometric and luminescence dating of historical tsunamis and storm deposits from Shirasuka, south central Japan », in XIX INQUA Congress, Nagoya, Japan, 2015.
J. Walstra et Declercq, P. - Y. , « Time-series analysis of SAR images for detection of ground subsidence in the Scheldt estuary », in Workshop Programme & Abstract Book, 2015, p. 73.
M. Dusar, Deceukelaire, M. , et Walstra, J. , « Natuursteen – Inventarisatie natuursteengebruik in stadskern Leuven », Kluwer Handboek Onderhoud, Renovatie en Restauratie, p. 7-64, 2015.
M. Dusar, Deceukelaire, M. , et Walstra, J. , « Natuursteen - Inventarisatie natuursteengebruik in stadskern Leuven », Kluwer Handboek Onderhoud, Renovatie en Restauratie, p. 7-64, 2015.

2014

M. Dusar, Deceukelaire, M. , et Walstra, J. , « Natuursteengebruik als urbanisatie-indicator stadskern Leuven », in 5de VLAAMS \_ NEDERLANDSE NATUURSTEENDAG 15-16.5.2014, BRUSSEL Betekenisol gebruik van natuursteen, vol. 2014/01 - N° 316, H. De Clercq et Quist, W. Geological Survey of Belgium, 2014, p. 109-145.
M. Dusar, Deckers, J. , Juhász-Holterman, M. , Matthijs, J. , Menkovic, A. , Six, S. , Walstra, J. , et Westerhoff, W. , « De Roerdalslenk », in Watervoerende Lagen en Grondwater in België / Aquifères et Eaux Souterraines en Belgique, A. Dassargues et Walraevens, K. Gent: Academia Press, 2014, p. 109-145.
V. M. A. Heyvaert, Walstra, J. , et Mortier, C. , « Long-term interactions between man and the fluvial environment - case of the Diyala alluvial fan, Iraq », in Geophysical Research Abstracts, 2014, vol. 16, p. EGU2014-11047.
J. Walstra, Heyvaert, V. M. A. , Mortier, C. , Parsons, D. , Verkinderen, P. , et Woodbridge, K. , « Human impact on alluvial fan development: can human niche construction provide a conceptual framework for long-term landscape evolution? », in Programme & Abstract Book, 3rd International Landscape Archaeology Conference, Rome, 17-20 September 2014, 2014, p. 39-40.
R. Vernes, Deckers, J. , Doornenbal, H. , Dulk, M. Den, Hummelman, J. , Menkovic, A. , Westerhoff, W. , Witmans, N. , Dusar, M. , Walstra, J. , et Reindersma, R. , « The H3O-project: towards sustainable use and management of the Flemish-Dutch subsurface », in Geophysical Research Abstracts, 2014, vol. 16, p. EGU2014-11903-1.
V. M. A. Heyvaert, Walstra, J. , et Mortier, C. , « Long-term interactions between man and the fluvial environment – case of the Diyala alluvial fan, Iraq », in Geophysical Research Abstracts, 2014, vol. 16, p. EGU2014-11047.
A. Laribi, Walstra, J. , Ougrine, M. , Seridi, A. , et Dechemi, N. , « Use of digital photogrammetry for the study of unstable slopes in urban areas: Case study of the El Biar landslide, Algiers », Engineering Geology, vol. 187, p. 73-83, 2014.
J. Deckers, Vernes, R. , Dabekaussen, W. , M Dulk, D. , Doornenbal, H. , Dusar, M. , Hummelman, J. , Matthijs, J. , Menkovic, A. , Reindersma, R. , Walstra, J. , Westerhoff, W. , et Witmans, N. , « Geologisch en hydrogeologisch 3D model van het Cenozo{\"ı}cum van de Roerdalslenk in Zuidoost-Nederland en Vlaanderen (H3O – Roerdalslenk) ». 2014.
V. M. A. Heyvaert, Bogemans, F. , Busschers, F. , Cohen, K. , Gibbard, P. , et Walstra, J. , « First field campaign report linking the Scheldt to Rhine Thames Land project ». 2014.
J. Walstra, Dusar, M. , et Deceukelaire, M. , « Geological model of the Ypresian Clay. ». 2014.
J. Deckers, Vernes, R. , Dabekaussen, W. , M Dulk, D. , Doornenbal, H. , Dusar, M. , Hummelman, J. , Matthijs, J. , Menkovic, A. , Reindersma, R. , Walstra, J. , Westerhoff, W. , et Witmans, N. , « Geologisch en hydrogeologisch 3D model van het Cenozo{\"ı}cum van de Roerdalslenk in Zuidoost-Nederland en Vlaanderen (H3O - Roerdalslenk) ». 2014.

2013

V. M. A. Heyvaert, Verkinderen, P. , et Walstra, J. , « Geoarchaeological Research in Lower Khuzestan: State of the Art », in Susa and Elam. Archaeological, Pilological, Historical and Geographical Perspectives, K. De Graef et Tavernier, J. Leiden: Brill, 2013, p. 493-534.
K. P. Woodbridge, Parsons, D. , Heyvaert, V. M. A. , et Walstra, J. , « The influence of Earth surface movements and human activities on the River Karun in lowland south-west Iran », in Proceedings of the 10th International Conference on Fluvial Sedimentology, 2013.
V. M. A. Heyvaert, Walstra, J. , et Weerts, H. J. T. , « Human impact on avulsion and fan development in a semi-arid region: examples from SW Iran », in Proceedings of the 10th International Conference on Fluvial Sedimentology, 2013.
J. Walstra et Dusar, M. , « Geologisch model van de Boomse Klei ». KBIN-BGD}, publication\_type = {type, 2013.

2012

J. Walstra, Heyvaert, V. M. A. , et Verkinderen, P. , « Using Historical Imagery and GIS for Reconstructing the Ancient Landscapes of Khuzestan (SW Iran) », in Final Programme and Abstract Book, 2nd International Landscape Archaeology Conference, Berlin, 6-9 June 2012, 2012, p. 130.
V. M. A. Heyvaert, Kaniewski, D. , Sintubin, M. , Szkornik, K. , Verstraeten, G. , et Walstra, J. , « Studying the driving forces of landscape change in the surroundings of the Late Bronze Age harbor town Halla Sultan Tekke, Cyprus », in Geophysical Research Abstracts, 2012, vol. 14, p. EGU2012-9413.
J. Walstra, Heyvaert, V. M. A. , et Verkinderen, P. , « The role of rivers in ancient societies, or how man transformed the alluvial landscapes of Khuzestan (SW Iran) », in Geophysical Research Abstracts, 2012, vol. 14, p. EGU2012-9519.
V. M. A. Heyvaert, Szkornik, K. , Walstra, J. , Kaniewski, D. , et Nys, K. , « Studying the Influence of Landscape Changes on the Late Bronze Age Abandonment of the Harbour Town HST: Unravelling the Sedimentary Record of the Larnaca Salt Lake, Cyprus », in Final Programme and Abstract Book, 2nd International Landscape Archaeology Conference, Berlin, 6-9 June 2012, 2012, p. 70-71.
V. M. A. Heyvaert et Walstra, J. , « About canals and qanats: long-term human impact on Late Quaternary alluvial landscapes », in Abstract book - Moving plates and melting icecaps - Processes and Forcing Factors in Geology, 2012, p. 103.
V. M. A. Heyvaert, Walstra, J. , Verkinderen, P. , et Weerts, H. , « The role of human interference on the channel shifting of the Karkheh River in the Lower Khuzestan plain (Mesopotamia, SW Iran) », Quaternary International, vol. 251, p. 52–63, 2012.
J. Walstra, De Ceukelaire, M. , et Dusar, M. , « Kwaliteitsdocumentatie en definiëring van referentieobjecten voor de Databank Ondergrond Vlaanderen (VLA 10-2.1) ». Geological Survey of Belgium}, publication\_type = {type, 2012.

2011

J. Walstra, Heyvaert, V. M. A. , et Verkinderen, P. , « Mapping Late Holocene landscape evolution and human impact - a case study from Lower Khuzestan (SW Iran) », in Geomorphological mapping: methods and applications, vol. 15, M. J. smith, Paron, P. , et Griffith, J. S. Amsterdam, the Netherlands: Elsevier, 2011, p. 551-575.

2010

J. Walstra, Chandler, J. H. , Dixon, N. , et Wackrow, R. , « Evaluation of the controls affecting the quality of spatial data derived from historical aerial photographs », Earth Surface Processes and Landforms, vol. 36, nᵒ 7, p. 853-863, 2010.
J. Walstra, Heyvaert, V. M. A. , et Verkinderen, P. , « Assessing human impact on alluvial fan development: a multidisciplinary case-study from Lower Khuzestan (SW Iran) », Geodinamica Acta, vol. 23, nᵒ 5-6, p. 267-285, 2010.

2007

J. Walstra, Dixon, N. , et Chandler, J. H. , « Historical aerial photographs for landslide assessment: two case histories », Quarterly Journal of Engineering Geology and Hydrogeology, vol. 40, nᵒ 4, p. 315-332, 2007.
15/12/2016 - 31/12/2020

RESPONSE

Ce project de recherche n'est disponible qu'en Anglais

Version anglaise

01/09/2014 - 31/08/2018

GEPATAR: GEotechnical and Patrimonial Archives Toolbox for ARchitectural conservation in Belgium

Ce project de recherche n'est disponible qu'en Anglais

Version anglaise

01/10/2013 - 31/12/2017

QuakeRecNankai

Ce project de recherche n'est disponible qu'en Anglais

Version anglaise

29/04/2015 - 28/10/2017

H3O – The Campine

Ce project de recherche n'est disponible qu'en Anglais

Version anglaise

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