Archaeology and heritage
PAN project website
The Geoservice is responsible for the technical realisation of a new website for the recording of archaeological artefacts found by hobby archaeologists in the Netherlands. The website is a result of the Portable Antiquities of the Netherlands (PAN) project, lead by Nico Roymans and Stijn Heeren from the Vrije Universiteit Amsterdam. The aim of this project is to document and publish finds of archaeological interest, mainly those of metal, found by members of the general public and in private collections. By publishing the collections online, the objects and their find locations are made available for heritage purposes, academic research, museums, and for the enjoyment of members of the general public.
The PAN website provides information about privately held archaeological objects and their (general) find sites. Website visitors can makes use of several filters and an overview map to find specific objects in the different municipalities of the Netherlands. The precise location where objects were found is not revealed in the public website in order to protect the find sites. However, more detailed information about the find locations will soon become available for academic research purposes.
This is the team in charge of the PAN website: Niek van Ruler - lead developer; Kiki Smallenbroek - frontend developer; Ronnie Lassche - geo-technical expert; Maarten van Veen - project leader; Govert Schoof - project manager.
Visit the website https://www.portable-antiquities.nl and search for various finds
Tracing sites of habitation in AHN-data
Jelmer van der Linde analysed a digital elevation model of the Netherlands (AHN) in order to trace former sites of habitation in the polder Matsloot-Roderwolde, nowadays part of the Onlanden. Many of the farmstead sites in the selected peat and clay-on-peat area have sunken into the underground, were ploughed out or are overgrown with vegetation, which makes it difficult to trace them by hand. As an alternative an algorithm was used which was developed for finding weak signals of structures in astronomical data from radio telescopes. These astronomical data have a similar weakness as the AHN-data: the structures are there, but they are barely visible in the large, complex and ‘noisy’ dataset. By creating local models of the background-noise, however, it is possible to notice structures that are otherwise obscured. By applying this algorithm to a manipulated version of the AHN-dataset, a total number of 100 sites with the highest certainty were chosen as probable representations of habitation sites. Among these, 31 were known farmstead sites; the other 69 locations are new discoveries.
|Last modified:||20 March 2019 3.05 p.m.|