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Jan Trachet Profile
Jan Trachet

@JanTrachet

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Archaeologist // Medieval Bruges~Zwin~Survey~Cartography~harbours~Pourbus @ArcheoUgent // Science communication & education // Likes hikes, bikes & hammocks

Ghent, Belgium
Joined September 2015
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@JanTrachet
Jan Trachet
7 months
🌍🔎 Doe mee aan Mapathon 1571! .Help een unieke 16de-eeuwse kaart van het Brugse Vrije digitaal verbinden met het huidige landschap. 📅 14 & 15 maart 2025 .📍 Stadsarchief Brugge .➡️ Info & Inschrijven: 🦋Volg verder op #BlueSky @jtrachet.bsky.social
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@JanTrachet
Jan Trachet
7 months
What's happening? After 10 years on Twitter,.I'm making the move to #BlueSky ! .Follow me there @jtrachet.bsky.social. #ByeTwitter #HelloBlueSky.
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@grok
Grok
5 days
What do you want to know?.
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@JanTrachet
Jan Trachet
7 months
Luistertip voor propere mensen!.
@MarechalSadi
Sadi Marechal
7 months
De opgraving een groot privaat badhuis in Pompeji gaat de wereld rond. Maar wist je dat er in België nog veel grotere Romeinse privébaden zijn gevonden? Leer alles over de badgeschiedenis van België in mijn nieuwe podcast
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@JanTrachet
Jan Trachet
8 months
📢Discover the #keynote speakers for #ICAP2025.⏩ and submit your abstract quickly!.
@archprospection
ISAP
8 months
🎉 Big news! We just announced #ICAP2025 keynote speakers! 🎉.Reminder: Abstract deadline is this Friday, 20 Dec. Published in ArcheoSciences!.Submit now: #Archaeology #CFP #NonInvasiveArchaeology #ISAP #ArchaeologicalProspection #Conference
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@JanTrachet
Jan Trachet
9 months
📸Live from @StadBrugge City Archive: Together with @vioe, @MuseaBrugge & @artinflanders we are making a new HR photographs of Pieter Claeissens' painted copy-#map of the Liberty of #Bruges (1601). 🗺️3000km² of late #medieval #landscape soon at your disposal, in full detail!
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@JanTrachet
Jan Trachet
10 months
🔍 At a broader level, this paper highlights the delicate balance between human activity, livestock, and coastal environments. It contributes to the understanding of how such #taskscapes were integrated into regional land use and shaped the historical landscape we observe today.
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@JanTrachet
Jan Trachet
10 months
🗺️For Map Historians, this case-study validated the topographical accuracy of Pieter Pourbus’ painted map. Not only is it designed with advanced methods (, also its topographic content is a treasure throve of undiscovered archaeological sites. (7/8)
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@JanTrachet
Jan Trachet
10 months
🌊 Environmental historians will find a compelling case study of how the advancing embankments and land reclamation efforts gradually reduced the tidal landscapes, marginalised the sheep-related taskscape & pushed the socio-economic decline of local sheep-husbandry. (6/8)
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@JanTrachet
Jan Trachet
10 months
🐏From a landscape historical perspective, one key insight is the recurrent tripartite spatial organization that governed animal husbandry in the coastal plain, consisting of: .1⃣ Parent farms .2⃣Droveways.3⃣ Satellite dwelling mounds.(5/8)
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@JanTrachet
Jan Trachet
10 months
🏺 Crucial takeaways for archaeological #survey are:.1⃣The reconfirmation ( that surface artefact clusters provide valuable intra-site information. 2⃣The insight that artefact clusters can also contribute to the functional interpretation of a site. (4/8)
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@JanTrachet
Jan Trachet
10 months
⚙️The interdisciplinary approach used in this study combines: surface ceramics, historical maps, aerial photos, LiDAR, geophysical surveys & coring to uncover the remnants of a sheep mound. Evidence ranges from microtopographic changes to artefact clusters of milk bowls. (3/8)
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@JanTrachet
Jan Trachet
10 months
🌍 Located in the Belgian coastal plain, the ‘Scaperie’ site offers a fascinating window into late #medieval land use & animal husbandry, revealed through a 16th-C. painted map. What can this site tell us about human-environment interactions along the North Sea coast? (2/8)
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@JanTrachet
Jan Trachet
11 months
Finally, the #animation produced by #SeeYouBaby for the #exhibition 'Pieter Pourbus - Master of Maps' @MuseaBrugge (Dutch with French/English subs), in which Pourbus' survey method is explained for a broader audience, is now available on (7/7).
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@JanTrachet
Jan Trachet
11 months
Read more in "Illuminating Sixteenth-century Measuring Methods and Map Design: New.Findings from Pieter Pourbus’ Chorographic Maps" published #OpenAccess in the #Cartographic Journal: This #postdoc research is funded by BOF @ugent & @FWOVlaanderen. (6/7).
tandfonline.com
Pieter Pourbus was a mid-sixteenth-century artist and mapmaker who crafted large-scale chorographic maps in the coastal area around Bruges (Flanders, The Low Countries). The topographic and planime...
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@JanTrachet
Jan Trachet
11 months
Traces in the underdrawings of his other maps, such as squaring grids, pounced dots, and map inserts, show how Pourbus compiled and copied maps with remarkable accuracy. These insights shed light on the technical expertise behind 16th C. cartographic practices & map design. (5/7)
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@JanTrachet
Jan Trachet
11 months
These traces for the first time provide solid evidence that triangulation was indeed used in the 16th century to make #chorographic maps. Moreover, Pourbus' methodology proofs to be a meticulous application of Gemma Frisius' theories and manual, first published in 1533. (4/7)
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@JanTrachet
Jan Trachet
11 months
A new macroscopic and #GIS-integrated analysis of Pourbus’ maps, particularly his map of Cadzand, uncovers previously unseen traces of the #survey and map-design process in the underdrawing: compass circles with perforations, and incised meridians, parallels and bearings. (3/7)
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@JanTrachet
Jan Trachet
11 months
Pourbus' maps have long intrigued researchers. Their topographic and planimetric accuracy led some to assume he used #triangulation methods. However, the use of such techniques to make large-scale maps is generally thought to have begun only in the 17th century . (2/7)
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@JanTrachet
Jan Trachet
11 months
Finally out: new research on Pieter #Pourbus, a mid-16th-century artist and mapmaker, who produced highly accurate maps of the coastal area around Bruges (Belgium). How did he achieve such a precision? Find out in this 🧵or in the 📰👇 #MapHistory #cartography (1/7)
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