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Sileryte, R. (author), Nourian Ghadikolaee, P. (author), Van der Spek, S.C. (author)The paper presents a workflow for collecting, structuring and processing geo-referenced recreational mobility data from a sports tracking application as to monitor recreational usage of urban spaces. The data collected include GPS trajectories of people walking, jogging, and running for recreational purposes in European cities. The presented...conference paper 2016
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- Van der Spek, S.C. (author) conference paper 2015
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Kalogianni, E. (author), Sileryte, R. (author), Lam, M. (author), Zhou, K. (author), Van der Ham, M. (author), Van der Spek, S.C. (author), Verbree, E. (author)Within this research-driven project, passive WiFi monitoring of WiFi enabled devices was used to detect users (students, employees, visitors) of buildings at the campus of Delft University of Technology to gain insight into the Rhythm of the Campus: the occupation, duration of stay and moving pattern at and between the different facilities ...conference paper 2015
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Van der Spek, A. (author), Elias, E. (author), Lodder, Q. (author), Hoogland, R. (author)Dit onderzoek is een verkenning van het effect van mogelijke toekomstige morfologische ontwikkelingen aan de kust op de jaarlijkse suppletiebehoefte van de Nederlandse kust. De doelstelling van dit onderzoek is het verkrijgen van inzicht in de effecten van aannemelijke scenario's van kustontwikkeling in de komende eeuw op de functies van de kust...report 2015
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Rose, J.M. (author), Ligtenberg, A. (author), Van der Spek, S.C. (author)This paper describes an agent-based model for the simulation of pedestrian movement in city centers for various types of visitors. It takes into account preferences of different types of pedestrians. The model is tested and calibrated using GNSS data of pedestrians collected during a field experiment in the city of Delft. Although the model as...conference paper 2014
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Van der Spek, J.E. (author), Bogaard, T.A. (author), Bakker, M. (author)Groundwater dynamics may play a significant role in landslides. A detailed model is developed of the groundwater dynamics in landslides in varved clays in the Trieves area in the French Alps. The varved clays consist of a sequence of alternating silt and clay layers, covered by a colluvium layer and intersected by fissures. The hydraulic...journal article 2013
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- Van Langelaar, C.M. (author), Van der Spek, S.C. (author) book chapter 2013
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Van der Spek, J.E. (author), Bogaard, T.A. (author), Bakker, M. (author)Groundwater dynamics may play a significant role in landslides. A detailed model is developed of the groundwater dynamics in landslides in varved clays in the Trièves area in the French Alps. The varved clays consist of a sequence of alternating silt and clay layers, covered by a colluvium layer and cut through by fissures. The hydraulic...journal article 2013
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- Van der Spek, S.C. (author) book chapter 2013
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McArdle, G. (author), Demsar, U. (author), Van der Spek, S.C. (author), McLoone, S. (author)Recent technological advances have increased the quantity of movement data being recorded. While valuable knowledge can be gained by analysing such data, its sheer volume creates challenges. Geovisual analytics, which helps the human cognition process by using tools to reason about data, offers powerful techniques to resolve these challenges....conference paper 2013
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van Dijk, T.A.G.P. (author), Kleuskens, M.H.P. (author), Dorst, L.L. (author), Van der Tak, C. (author), Doornenbal, P.J. (author), Van der Spek, A.J.F. (author), Hoogendoorn, R.M. (author), Rodriguez Aguilera, D. (author), Menninga, P.J. (author), Noorlandt, R.P. (author)Sedimentary coasts and shallow-sea beds may be dynamic. The large-scaled spatial variation in these dynamics and the smaller-scaled behaviour of individual marine bedforms are largely unknown. Sea-bed dynamics are relevant for the safety of shipping, and therefore for monitoring strategies, and for offshore engineering projects and...conference paper 2012
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De Sonneville, B. (author), Van der Spek, A.J.F. (author)The Dutch coastal maintenance policy which was implemented in 1990 aims at fighting structural erosion by nourishing sand. Initially, the beaches were nourished. The lifetime of these beach nourishments turned out to be relatively short (~2 yrs), especially at identified erosion ‘hotspots’ along the North-Holland coast (e.g. Egmond aan Zee)....conference paper 2012
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Elias, E.P.L. (author), Van der Spek, A.J.F. (author), Wang, Z.B. (author), De Ronde, J. (author)The availability of nearly 100 years of bathymetric measurements allows the analysis of the morphodynamic evolution of the Dutch Wadden Sea under rising sea level and increasing human constraint. The historically observed roll-over mechanisms of landward barrier and coastline retreat cannot be sustained naturally due to numerous erosion control...conference paper 2012
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Van der Spek, S.C. (author), Van Langelaar, C.M. (author), Kickert, C.C. (author)In an era of increasing competition between urban cores, positive pedestrian experiences become crucial in attracting visitors and retaining residents. The dichotomy between use and evaluation of public spaces enables the prioritisation of urban design and management interventions in an age of austerity. When spaces are highly used but evaluated...journal article 2012
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Van der Spek, S.C. (author)City centres are changing. More and more do they compete with suburban centres or other cities. Jan Gehl has proven that making historic cities car-free AND improving the conditions for pedestrians is a vital strategy (Hoeven et al, 2008). Since 2000 the City of Delft is implementing car-free zones in the historic city centre (with a lot of...conference paper 2011
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Van der Hoeven, F.D. (author), Van der Spek, S.C. (author)Het hoogbouwbewoners-onderzoek verkent hoe bewoners van woontorens in het centrum van Rotterdam de binnenstad gebruiken en waarderen. Doel is om een beter inzicht te krijgen in het gebruik van de binnenstad op verschillende tijdstippen en met verschillende modaliteiten. Voor het eerst is het verplaatsingsgedrag van meer dan vijftig bewoners in...report 2011
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Van der Spek, S.C. (author), Van Langelaar, C.M. (author)The aim of this paper is to express the application of tracking technologies in Urban Design and Planning. Tracking technologies can be used to monitor different user groups in different occasions. Since 2005, TU Delft has explored and developed two types of research using GPS to collect spatio-temporal data in urban environments: (1) visitors...conference paper 2011
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Van der Spek, S.C. (author), Van Langelaar, C.M. (author)The aim of this paper is to express the application of tracking technologies in Urban Design and Planning. Tracking technologies can be used to monitor different user groups in different occasions. Since 2005, TU Delft has explored and developed two types of research using GPS to collect spatio temporal data in urban environments : (1) visitors...conference paper 2011
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Van der Spek, S.C. (author)While urban design and planning focuses strongly on actor-oriented and user - oriented design and planning approaches, technologies that give insight into the behaviour of actors and users are rapidly evolving. Especially the use of tracking technologies - of which GPS is best known - is booming in urban research. Most research focuses on the...conference paper 2010
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Kwon, O. (author), Van der Spek, S. (author)The project "Tracking Delft" is a pilot research project inquiring pedestrian movement patterns in the city center of Delft conducted in November 2009 to January 2010. 109 people expressed their experiences in a city as a form of preference map; they marked the areas on a city map which places they liked or disliked in the city, with short...conference paper 2010
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