Date of repair (along Southern Baltic coast)End date 1320No sapwood !Sapwood estimate 7-26 (94,5% CI)Average n°: 19Felling date certainly after 1327 ADAssuming HW/SW: 1339 AD> 13 years after construction
Provenance DOEL 2Felling date (95,4% CI): between 1326 and 1340 AD
DOEL 1, strakes A-Dsymmetrical layout(same colour = planks from the same tree)
ConclusionsUnique dataset> 162 tree-ring series from 2 shipsDating and provenance (Doel 1 vs. Doel 2)More or less contemporaneousDifferent provenanceRepairs Doel 1 same origin as ship timbers Doel 2Repairs!Provide most informationDate of repairLocation of repair <> construction siteDoel 1 >13 years “in action”…Wood conversion and shipbuildingSymmetrical layout of bottom strakesKeelplank: stockpile or ponding?
Doel 3: dendro DIYTarget timbers with sapwood or barkBoth framing timbers and planks~20 samples (min!)Concentrate on repairsResearch questionsWood conversionSymmetrical layout?Also analyse timbers with short TRSStockpile or watering of some crucial structural timbers?