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  • 1. Adams, Jon
    et al.
    Rönnby, Johan
    Södertörn University, School of Historical and Contemporary Studies, Archaeology. Södertörn University, School of Historical and Contemporary Studies, MARIS (Maritime Archaeological Research Institute).
    From Flagships to Fluits: Connections in the development of Maritime Archaeology2020In: Aktuell marinarkeologi: Texter från ett seminarium på Vasamuseet och Sjöhistoriska museet, Stockholm, 13–14 maj 2019 / [ed] Rune Edberg; Niklas Eriksson, Stockholm: Institutionen för arkeologi och antikens kultur, Stockholms universitet , 2020, p. 7-21Chapter in book (Other academic)
  • 2. Adams, Jon
    et al.
    Rönnby, Johan
    Södertörn University, School of Culture and Communication, Archaeology. Södertörn University, School of Culture and Communication, Maritime Archaeological Research Institute.
    “Kraveln”: The wreck of an early carvel-built ship at Franska Stenarna, Stockholm Arhipelago Sweden2012In: WreckProtect: Decay and protection of arcaeological wooden shipwrecks / [ed] Björdal, Charlotte Gjelstrup & Gregory, David, Oxford: Archaeopress, 2012, p. 13-16Chapter in book (Other academic)
  • 3. Adams, Jonathan
    et al.
    Rönnby, Johan
    Furstens fartyg: marinarkeologiska undersökningar av en renässanskravell1996Book (Other academic)
  • 4.
    Adams, Jonathan
    et al.
    University of Southampton.
    Rönnby, JohanSödertörn University, School of Historical and Contemporary Studies, Archaeology. Södertörn University, School of Historical and Contemporary Studies, MARIS (Maritime Archaeological Research Institute).
    Interpreting Shipwrecks: Maritime Archaeological Approaches2013Collection (editor) (Refereed)
    Abstract [en]

    Shipwrecks are a key site-type for maritime archaeological research and their investigations have been prominent in the subject’s development over the last sixty years. At one time their value was often squandered, with anything from cursory surveys to total excavations being undertaken for the same reason George Mallory suggested that mountains were climbed: because they were there. Today it is recognised that the remains of wrecked ships, through their distribution in time and space, their variety and their complexity, comprise one of the richest forms of archaeological source material. This volume brings together researchers who explore the ways in which ships can be understood and interpreted as material culture through their wreck sites, focusing on ships as artefacts, as agents, as technology, as society, as ideology and as symbols, as well as on what they carried and the people who sailed on them. Collectively they show that shipwrecks are not just the preserve of nautical specialists but have wider implications for the understanding of human action and past societies.

    The editors: Jonathan Adams is a Professor of Archaeology at the University of Southampton and the founding Director of Southampton’s Centre for Maritime Archaeology (CMA) and Johan Rönnby, Professor of Archaeology and Director of the Maritime Archaeological Research Institute (MARIS) at Södertörn University. 

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  • 5. Adams, Jonathan
    et al.
    Rönnby, Johan
    Södertörn University College, School of Culture and Communication, Archaeology.
    Kraveln: marinarkeologiska undersökningar av ett skeppsvrak från tidigt 1500-tal i Nämdöfjärden, Stockholms skärgård2009In: Skärgård och örlog: nedslag i Stockholms skärgårds tidiga historia / [ed] Katarina Schoerner, Stockholm: Kungl. Vitterhets historie och antikvitets akademien , 2009, Vol. S. [73]-102 : ill., p. 73-102Conference paper (Other academic)
  • 6. Adams, Jonathan
    et al.
    Rönnby, Johan
    Södertörn University, Avdelning 3, Underwater archaeology.
    Kuggmaren 1: the first cog find in the Stockholm archipelago, Sweden.2002In: International Journal of Nautical Archaeology, ISSN 1057-2414, E-ISSN 1095-9270, Vol. 31, no 2, p. 172-181Article in journal (Other academic)
  • 7.
    Adams, Jonathan
    et al.
    University of Southampton.
    Rönnby, Johan
    Södertörn University, School of Historical and Contemporary Studies, Archaeology. Södertörn University, School of Historical and Contemporary Studies, MARIS (Maritime Archaeological Research Institute).
    Landscapes, Seascapes and Shipscapes2013In: Interpreting Shipwrecks: Maritime Archaeological Approaches / [ed] Jonathan Adams, Johan Rönnby, Southampton: Highfield Press , 2013, p. 1-8Chapter in book (Refereed)
  • 8. Adams, Jonathan
    et al.
    Rönnby, Johan
    Södertörn University, School of Historical and Contemporary Studies, Archaeology. Södertörn University, School of Historical and Contemporary Studies, MARIS (Maritime Archaeological Research Institute).
    One of His Majesty's 'Beste Kraffwells': the wreck of an early carvel-built ship at Franska Sternarna, Sweden2013In: International Journal of Nautical Archaeology, ISSN 1057-2414, E-ISSN 1095-9270, Vol. 42, no 1, p. 103-117Article in journal (Refereed)
    Abstract [en]

    We report recent fieldwork on an early-16th-century wreck in the Stockholm archipelago, Sweden. The discovery not only provides new insights into early carvel shipbuilding and its adoption across northern Europe but manifests the changing role of ships and the nature of power and agency in the process of state formation at the dawn of the modern world. (C) 2012 The Authors

  • 9.
    Adams, Jonathan
    et al.
    University of Southampton.
    Rönnby, Johan
    Södertörn University, School of Historical and Contemporary Studies, Archaeology. Södertörn University, School of Historical and Contemporary Studies, MARIS (Maritime Archaeological Research Institute).
    The Consequensces of New Warships: From Medieval to Modern and our Dialectical Relationship with Things2019In: On War on Board: Archaeological and historical perspectives on early modern maritime violence and warfare / [ed] Johan Rönnby, Huddinge: Södertörns högskola, 2019, p. 163-198Chapter in book (Refereed)
  • 10.
    Adams, Jonathan
    et al.
    University of Southampton, Southampton, UK.
    Rönnby, Johan
    Södertörn University, School of Historical and Contemporary Studies, Archaeology. Södertörn University, School of Historical and Contemporary Studies, MARIS (Maritime Archaeological Research Institute).
    The Danish Griffin: The Wreck of an Early Modern Royal Carvel from 14952022In: International Journal of Nautical Archaeology, ISSN 1057-2414, E-ISSN 1095-9270, Vol. 51, no 1, p. 46-72Article in journal (Refereed)
    Abstract [en]

    In the waters of the Southern Baltic, off the island of Stora Ekön, lies the wreck of a ship lost in 1495 belonging to King John (Hans) of Denmark (1455–1513). This paper draws on the archaeological investigation of the site since 2013 and summarizes previous archaeological and historical research. In its design, construction, and weapons technology the ship is both a rare example of a large carvel-built ‘great ship’ from the final phase of the Middle Ages and, in its role as floating embassy, a manifestation of socio-political processes of change that transitioned medieval Europe to a global, maritime world.

  • 11. Andersson, Sofia
    et al.
    Deckel, Per
    Rönnby, Johan
    Södertörn University, Avdelning 3, Underwater archaeology.
    Medeltidsarkeologi vid och i vatten2001In: Möten med forntiden: arkeologiska fynd år 2000 / [ed] Flodin, Lena & Modig, Agneta,, Stockholm: Riksantikvarieämbetet, 2001, p. 30-32Chapter in book (Other (popular science, discussion, etc.))
  • 12. Björck, Niclas
    et al.
    Rönnby, Johan
    Södertörn University, Avdelning 3, Underwater archaeology.
    Lillegölens hemligheter2000In: Marinarkeologisk tidskrift, ISSN 1100-9632, no 1Article in journal (Other (popular science, discussion, etc.))
  • 13.
    Björdal, C.G.
    et al.
    University of Gothenburg, Sweden.
    Rönnby, Johan
    Södertörn University, School of Historical and Contemporary Studies, Archaeology. Södertörn University, School of Historical and Contemporary Studies, MARIS (Maritime Archaeological Research Institute).
    Evaluation of in situ preservation method applied at a terrestrial archaeological shipwreck site by use of sacrificial wood samples installed for 25 years2023In: International Biodeterioration & Biodegradation, ISSN 0964-8305, E-ISSN 1879-0208, Vol. 176, article id 105528Article in journal (Refereed)
    Abstract [en]

    In 1995 remains of a 13th century shipwreck, “the Kronholmen cog”, was discovered in sandy soil at a golf green on the island of Gotland, Sweden. Prior to backfilling and in situ preservation, four sacrificial wood samples (SWS) of sound pine sapwood were installed for long-term monitoring of wood decaying processes. In year 2020, the site was re-opened to evaluate the protective nature of the site. All SWS and six archaeological samples were taken for a comparative analysis. Observations by light- and scanning electron microscopy showed severe microbial decomposition by fungi and bacteria. Based on occurrence of decay forms in the wood fibres, soft rot (SR) was identified as the main degrader of both SWS and in the first 2 cm of the heavily eroded archaeological material, accompanied by bacteria (type tunnelling bacteria (TB)). Moderate decay by bacteria (type erosion bacteria, EB) in archaeological samples indicated longer period during the last 700 years under waterlogged and anaerobic condition – e.g., protective. Only initial decay of erosion bacteria (EB) was observed in SWS, strongly indicating a non-protective environment during the last 25 years. Severe brown rot decay was established in SWS and archaeological wood located in the front of the wreck where burial conditions were most critical (0.5 m above groundwater level, and 0.4 below soil/air interface). Here, a total of 0.50 cm surface layer of SWS was lost, yielding an initial decay rate of 20% in 25 years. In general, surfaces were heavily attacked especially for archaeological samples, and plant roots penetrated the soft and degraded surface layer. We conclude that the site since backfilling in 1995 has been semi-oxygenated and has promoted more severe fungal decomposition of cultural heritage. Thus, the site is not able to protect and preserve the precious archaeological remains for future generations and actions must be taken. SWS are concluded to be an important technique for long term monitoring of archaeological sites preserved in situ.

  • 14.
    Burman, Anders
    et al.
    Södertörn University, School of Culture and Communication, History of ideas.
    Graviz, AnaSödertörn University, School of Culture and Communication, Education.Rönnby, JohanSödertörn University, School of Culture and Communication, Archaeology.
    Tradition och praxis i högre utbildning: Tolv ämnesdidaktiska studier2010Collection (editor) (Other academic)
    Abstract [sv]

    I denna bok undersöker lärare vid Södertörns högskola tradition och praxis inom undervisningen i tio ämnen: arkeologi, filosofi, företagsekonomi, genusvetenskap, geografi, historia, idéhistoria, journalistik, medie- och kommunikationsvetenskap samt musikutbildning. Vissa av bidragsgivarna har valt att göra en bred översikt av det egna ämnets pedagogiska utveckling medan andra har fördjupat sig i ett visst problem. Några har intervjuat sina kolleger, andra redogör för pedagogiska utvecklingsprojekt och åter andra tar avstamp i egna reflektioner och tidigare litteratur på området. Gemensamt är att samtliga utgår från ett historiskt perspektiv och att tyngdpunkten ligger på didaktiska frågor om den konkreta undervisningens innehåll och utformning.

    Sammantaget ger de tolv bidragen en fördjupad förståelse av varför högskolepedagogiken idag ser ut som den gör samtidigt som det öppnar upp för alternativa pedagogiska förhållningssätt och praktiker. Genom att studera det som har varit får vi perspektiv på det som är och i bästa fall också redskap för att tänka nya tankar om hur det skulle kunna vara i stället.

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    Tradition och praxis i högre utbildning : Tolv ämnesdidaktiska studier
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  • 15.
    Dimitrov, Kalin
    et al.
    Bulgarian Academy of Sciences, Bulgaria; Centre for Underwater Archaeology, Bulgaria.
    Adams, Jonathan
    University of Southampton, UK.
    Rönnby, Johan
    Södertörn University, School of Historical and Contemporary Studies, Archaeology. Södertörn University, School of Historical and Contemporary Studies, MARIS (Maritime Archaeological Research Institute).
    Bachvarov, Kroum
    University of Connecticut, USA.
    Georgiev, Pavel
    Centre for Underwater Archaeology, Bulgaria.
    Draganov, Vesselin
    Centre for Underwater Archaeology, Bulgaria.
    ПОДВОДНИ АРХЕОЛОГИЧЕСКИ РАЗКОПКИ (РАННА БРОНЗОВА ЕПОХА, АНТИЧНОСТ, ОСМАНСКИ ПЕРИОД) В ЗАЛИВА ПРЕД УСТИЕТО НА Р. РОПОТАМО, ОБЛ. БУРГАС: [Underwater archaeological excavations (Early Bronze Age, Antiquity, Ottoman period) in the sea bay at the mouth of Ropotamo river, Burgas region]2020In: Archaeological discoveries and excavation, ISSN 1313-0889, no 1, p. 369-376Article in journal (Other academic)
    Abstract [en]

    In 2019, the third season of renewed underwater archaeological excavations took place in the bay between CapeSt. Dimitar (Skombolito) and the mouth of Ropotamo River (fig. 1). The work was conducted in two stages (June – early July and September – October) with a total of 49 working days. The study had the following main research goals and objectives:

    • To excavate the EBA layer over the entire technologically possible area of T2–T3.
    • To make a stratigraphic trench below the EBA layer in order to determine whether there is earlier occupationor other anthropogenic activity at the site.
    • To excavate a new area closer to the shore in order to search for the “central part” of the EBA settlement.

    The main results of the 2019 season can be summarized as follows:

    1. The work in T1 and T2–T3 was completed (fig. 2). The underwater landscape has been restored, with metalframes and trench sacks removed.
    2. The exploration of a new trench (T4) began (fig. 3), confirming the general observations from previous seasons of the stratigraphic sequence of Ropotamo site – a port accumulation from the historical periods over settlement remainsfrom the EBA (figs 4–5).
    3. The quantity and character of the finds and structures discovered in T4 unambiguously indicate that the EBA settlement center lies towards the shore at the base of the shallow waters to the SW of Scombolito Cape (fig. 6).
    4. In T2–T3, the hypothesis for the existence of a Chalcolithic settlement below that of the EBA was rejected.
    5. It was found that the EBA settlement (at least in the section T2–T3) was built on land and was only later flooded when sea level rose (fig. 2).
    6. The detailed stratigraphic observations demonstrated that at the end of the 4th mill. BC in the area of Ropotamothe sea level was -5.80 m below the modern one.
  • 16.
    Dimitrov, Kalin
    et al.
    Bulgarian Academy of Sciences, Bulgaria; Centre for Underwater Archaeology, Bulgaria.
    Draganov, Vesselin
    Centre for Underwater Archaeology, Bulgaria.
    Prahov, Nayden
    Adams, Jonathan
    University of Southampton, UK.
    Rönnby, Johan
    Södertörn University, School of Historical and Contemporary Studies, Archaeology. Södertörn University, School of Historical and Contemporary Studies, MARIS (Maritime Archaeological Research Institute).
    Georgiev, Pavel
    Centre for Underwater Archaeology, Bulgaria.
    Garbov, Dragomir
    Pacheco-Ruiz, Rodrigo
    Pedrotti, Felix
    Georgieva, Zdravka
    Подводни археологически разкопки в залива пред устието на река ропотамо: [Underwater archaeological excavations in the sea bay at the mouth of Ropotamo river]2019In: Archaeological discoveries and excavation, ISSN 1313-0889, p. 743-746Article in journal (Other academic)
    Abstract [en]

    In 2018 the second season of renewed underwater archaeological research in the bay in front of the mouth of the Ropotamo River was held. Two 5 x 5 m trenches were explored at a depth of 1.2 m, in which materials from the Ottoman period to the Pre-Roman era were found (Fig. 1). The numerous findings from the historic periods are interpreted as accumulation in harbour used intensively in the past. In the western half of the studied area a trench 2.5 m by 8.0 m was made, reaching a depth at the bottom of more than 2.5 m (Fig. 2 – 3). In this trench the remains of the underlying Early Bronze Age (EBA) settlement were studied. Eleven vertically placed wooden posts (Fig. 2.4), handmade ceramics and pieces of burned clay were found. Nine 14C samples were taken from 3 wooden posts that dated the Ropotamo EBA settlement in the transition between the 4th and the 3th mill. BC (3080 – 2970 cal. BC (95.4% probability) or 3070 – 3000 cal. BC (68.2% probability).

  • 17. Dixelius, Malcolm
    et al.
    Oskarsson, Ola
    Nilsson, Ola
    Rönnby, Johan
    Södertörn University, School of Culture and Communication, Maritime Archaeological Research Institute.
    The Ghost Ship Expedition: Frontline Deepwater Archaeology in the Baltic Sea2011In: Hydro International, ISSN 1385-4569, Vol. 15, no 1, p. 14-18Article in journal (Other academic)
  • 18. Djerw, Ulrika
    et al.
    Rönnby, JohanSödertörn University, Avdelning 3, Underwater archaeology.
    Treasures of the Baltic Sea: a hidden wealth of culture2003Collection (editor) (Other academic)
  • 19. Djerw, Ulrika
    et al.
    Rönnby, JohanSödertörn University College, Avdelning 3, Underwater archaeology.
    Östersjöns skatter: det dolda kulturlandskapet2001Collection (editor) (Other academic)
  • 20. Edberg, Rune
    et al.
    Lindström, Marcus
    Rönnby, Johan
    Södertörn University, Avdelning 3, Underwater archaeology.
    Pålsundet: arkeologiska studier av en sörmländsk kustmiljö2001Book (Other academic)
  • 21. Edberg, Rune
    et al.
    Rönnby, JohanSödertörn University, Avdelning 3, Underwater archaeology.
    Nya marinarkeologiska perspektiv2001Collection (editor) (Other academic)
  • 22.
    Eriksson, Niklas
    et al.
    Södertörn University, School of Historical and Contemporary Studies, Archaeology. Södertörn University, School of Historical and Contemporary Studies, MARIS (Maritime Archaeological Research Institute).
    During, Carl
    Holmlund, Joakim
    Södertörn University, School of Historical and Contemporary Studies, MARIS (Maritime Archaeological Research Institute).
    Rönnby, Johan
    Södertörn University, School of Historical and Contemporary Studies, MARIS (Maritime Archaeological Research Institute). Södertörn University, School of Historical and Contemporary Studies, Archaeology.
    Sjöblom, Ingvar
    Södertörn University, School of Historical and Contemporary Studies, MARIS (Maritime Archaeological Research Institute). Försvarshögskolan.
    Ågren, Michael
    Resande mannen (1660): Marinarkeologisk rapport 20122013Report (Other academic)
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  • 23.
    Eriksson, Niklas
    et al.
    Södertörn University, Centre for Baltic and East European Studies (CBEES), Baltic & East European Graduate School (BEEGS). Södertörn University, School of Culture and Communication, Archaeology. Södertörn University, School of Culture and Communication, Maritime Archaeological Research Institute.
    Rönnby, Johan
    Södertörn University, School of Culture and Communication, Archaeology. Södertörn University, School of Culture and Communication, Maritime Archaeological Research Institute.
    Lejonvrak och Spökskepp: Unika fynd i Östersjön2010In: Populär Arkeologi, ISSN 0281-014X, no 2, p. 20-23Article in journal (Other (popular science, discussion, etc.))
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  • 24.
    Eriksson, Niklas
    et al.
    Södertörn University, School of Historical and Contemporary Studies, MARIS (Maritime Archaeological Research Institute). Stockholm Univeristy.
    Rönnby, Johan
    Södertörn University, School of Historical and Contemporary Studies, Archaeology. Södertörn University, School of Historical and Contemporary Studies, MARIS (Maritime Archaeological Research Institute).
    Mars (1564): the initial archaeological investigations of a great 16th-century Swedish warship2017In: International Journal of Nautical Archaeology, ISSN 1057-2414, E-ISSN 1095-9270, Vol. 46, no 1, p. 92-107Article in journal (Refereed)
    Abstract [en]

    Before the Swedish warship Mars exploded and sank in action against a combined Danish and Lübeckian fleet in 1564, it was one of the largest ships in the world. In 2011 the wreck was relocated off the island of Öland in the Baltic Sea. Thanks to the favourable conditions in the brackish water, about two thirds of the hull is preserved on the sea bottom, including the stern with the large sterncastle. The aim of this article is to present initial archaeological observations and results of work since 2011. We briefly describe the historical context and research perspectives regarding this wreck.

  • 25.
    Eriksson, Niklas
    et al.
    Södertörn University, School of Culture and Communication, Archaeology. Södertörn University, School of Culture and Communication, Maritime Archaeological Research Institute.
    Rönnby, Johan
    Södertörn University, School of Culture and Communication, Archaeology. Södertörn University, School of Culture and Communication, Maritime Archaeological Research Institute.
    Stormaktstidens krigsskeppsvrak: del av nationell berättelse2012In: Populär arkeologi, ISSN 0281-014X, Vol. 29, no 1, p. 16-18Article in journal (Other (popular science, discussion, etc.))
  • 26.
    Eriksson, Niklas
    et al.
    Södertörn University, School of Culture and Communication, Archaeology. Södertörn University, School of Culture and Communication, Maritime Archaeological Research Institute.
    Rönnby, Johan
    Södertörn University, School of Culture and Communication, Archaeology. Södertörn University, School of Culture and Communication, Maritime Archaeological Research Institute.
    Svärdet: marin slagfältsarkeologi2012In: Marinarkeologisk tidskrift, ISSN 1100-9632, Vol. 35, no 1, p. 4-7Article in journal (Other academic)
  • 27.
    Eriksson, Niklas
    et al.
    Södertörn University, School of Culture and Communication, Archaeology. Södertörn University, School of Culture and Communication, Maritime Archaeological Research Institute.
    Rönnby, Johan
    Södertörn University, School of Culture and Communication, Archaeology. Södertörn University, School of Culture and Communication, Maritime Archaeological Research Institute.
    'The Ghost Ship': An Intact Fluyt from c.1650 in the Middle of the Baltic Sea2012In: International Journal of Nautical Archaeology, ISSN 1057-2414, E-ISSN 1095-9270, Vol. 41, no 2, p. 350-361Article in journal (Refereed)
    Abstract [en]

    We report an exceptionally well preserved 17th-century shipwreck in the Baltic Sea. The investigation of the intact 3-dimensional hull at 130 m depth in the cold dark water has demanded new methods of documentation. Field investigation of ‘The Ghost Ship’ has been done in co-operation with a nautical survey company, combining archaeological skills with advanced technology and filming for a television documentary. The discovery offers detailed knowledge about Dutch shipbuilding and the construction of fluyts. We also believe that study of the social organisation aboard this small trading ship can give insights into the mentality and ideology of the period.

  • 28.
    Eriksson, Niklas
    et al.
    Södertörn University, School of Historical and Contemporary Studies, Archaeology. Södertörn University, School of Historical and Contemporary Studies, MARIS (Maritime Archaeological Research Institute).
    Rönnby, Johan
    Södertörn University, School of Historical and Contemporary Studies, Archaeology. Södertörn University, School of Historical and Contemporary Studies, MARIS (Maritime Archaeological Research Institute).
    'The Ghost Ship' (Gotska Sandön Island, Sweden): Deepwater Archaeology in the Baltic Sea2017In: Ships and Maritime Landscapes: Proceedings of the Thirteenth International Symposium on Boat and Ship Archaeology, Amsterdam 2012 / [ed] Jerzy Gawronski, André van Holk & Joost Schokkenbroek, Eelde: Barkhuis, 2017, p. 439-444Conference paper (Other academic)
  • 29. Hansson, Jim
    et al.
    Lindström, Jens
    Olsson, Andreas
    Rönnby, Johan
    Södertörn University, School of Culture and Communication, Maritime Archaeological Research Institute. Södertörn University, School of Culture and Communication, Archaeology.
    Maritima Birka: nya undersökningar av vikingastadens hamnområden2010In: Marinarkeologisk tidskrift, ISSN 1100-9632, no 4, p. 14-17Article in journal (Other academic)
  • 30. Hansson, Jim
    et al.
    Lindström, Jens
    Olsson, Andreas
    Rönnby, Johan
    Södertörn University, School of Culture and Communication, Archaeology. Södertörn University, School of Culture and Communication, Maritime Archaeological Research Institute.
    Nya undersökningar av Birkas hamn2010In: Populär Arkeologi, ISSN 0281-014X, no 3Article in journal (Other (popular science, discussion, etc.))
  • 31.
    Holmlund, Joakim
    et al.
    MMT.
    Nilsson, Björn
    Södertörn University, School of Historical and Contemporary Studies, MARIS (Maritime Archaeological Research Institute).
    Rönnby, Johan
    Södertörn University, School of Historical and Contemporary Studies, Archaeology. Södertörn University, School of Historical and Contemporary Studies, MARIS (Maritime Archaeological Research Institute).
    Joint Exploration of the Sunken Past: Examples of Maritime Archaeoogical Collaboration Between Industry and Academica in the Baltic2017In: Under the Sea: Archaeology and Palaeolandscapes of the Continental Shelf / [ed] Bailey,G., Harff,J., Sakellariou., Cham: Springer, 2017, p. 53-63Chapter in book (Refereed)
    Abstract [en]

    This chapter examines the benefits and constraints of collaboration between an archaeological research unit and a commercial company, using as examples joint research conducted by MARIS (Maritime Archaeological Research Institute at Södertörn University) and the Swedish commercial marine survey company MMT. The examples presented here included the detailed reconstruction by remote sensing of deeply submerged shipwrecks and the mapping and discovery of submerged archaeological landscapes and associated artefacts such as fish traps, which can then be examined more closely by archaeological divers. The benefits to archaeologists of collaborating with well-equipped commercial companies are obvious, but the benefits are mutual. The demands of archaeological research can generate new technological solutions that have commercial application, as well as producing results with wider educational and social benefits. Provided that archaeological investigations are embedded in the normal commercial operations of the company, such collaboration can be cost-effective for both parties, and is further enhanced by collaboration with film companies, which generates wider public interest and publicity for all concerned.

  • 32.
    Katrantsiotis, Christos
    et al.
    Umeå University, Sweden.
    Dahl, Martin
    Södertörn University, School of Natural Sciences, Technology and Environmental Studies, Environmental Science.
    Palm, Veronica
    Södertörn University, School of Historical and Contemporary Studies, MARIS (Maritime Archaeological Research Institute). Västerviks Museum, Sweden.
    Rönnby, Johan
    Södertörn University, School of Historical and Contemporary Studies, Archaeology. Södertörn University, School of Historical and Contemporary Studies, MARIS (Maritime Archaeological Research Institute).
    Andrén, Thomas
    Södertörn University, School of Natural Sciences, Technology and Environmental Studies, Environmental Science.
    Andrén, Elinor
    Södertörn University, School of Natural Sciences, Technology and Environmental Studies, Environmental Science.
    Holocene relative sea level changes in the Vastervik-Gamlebyviken region on the southeast coast of Sweden, southern Baltic Sea2023In: Boreas, ISSN 0300-9483, E-ISSN 1502-3885, Vol. 52, no 2, p. 206-222Article in journal (Refereed)
    Abstract [en]

    We reconstruct the Holocene shore displacement of the Vastervik-Gamlebyviken area on the southeast coast of Sweden, characterised by a maritime cultural landscape and archaeological significance since the Mesolithic. Sediment cores were retrieved from four lake basins that have been raised above sea level due to the postglacial land uplift and eustatic sea level changes after the melting of the Fennoscandian Ice Sheet. The cores were radiocarbon dated and analysed for loss on ignition and diatoms. The isolation thresholds of the basins were determined using LiDAR data. The results provide evidence for the initiation of the first Littorina Sea transgression in this area at 8.5 thousand calibrated years before present (cal. ka BP). A relative sea level rise by similar to 7 m a.s.l. is recorded between 8.0 and 7.5 cal. ka BP with a highstand at similar to 22 m a.s.l. between 7.5 and 6.2 cal. ka BP. These phases coincide with the second and third Littorina Sea transgressions, respectively, in the Blekinge area, southern Sweden and are consistent with the final deglaciation of North America. After 6.2 cal. ka BP, the relative sea level dropped below 22 m a.s.l., and remained at similar to 20 m a.s.l. until 4.6 cal. ka BP coinciding with the fourth Littorina Sea transgression in Blekinge. From 4.6 to 4.2 cal. ka BP, the shore displacement shows a regression rate of 10 mm a(-1) followed by a slowdown with a mean value of 4.6 mm a(-1) until 1.6 cal. ka BP, when the relative sea level dropped below 3.3 m a.s.l. The Middle to Late Holocene highstand and other periods of minor sea level transgressions and/or higher salinity between 6.2 and 1.7 cal. ka BP are attributed to a combination of warmer climate and higher inflow of saline waters in the southern Baltic Sea due to stronger westerlies, caused by variations in the North Atlantic atmospheric patterns.

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  • 33. Landin, Maria
    et al.
    Norman, Peter
    Rönnby, Johan
    Södertörn University, School of Culture and Communication, Archaeology. Södertörn University, School of Culture and Communication, Maritime Archaeological Research Institute.
    Törnqvist, Oscar
    Södertörn University, Centre for Baltic and East European Studies (CBEES). Södertörn University, School of Culture and Communication, Maritime Archaeological Research Institute.
    Öberg, Björn
    Arkeologiska undersökningar i Södermanlands skärgård: Rapport från projektet Förmoderna kustmiljöer. Naturresurser, klimat och samhälle vid östersjökusten före 1800 - ett miljöhistoriskt projekt.2011Report (Other academic)
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  • 34. Landin, Maria
    et al.
    Rönnby, Johan
    Södertörn University, Avdelning 3, Underwater archaeology.
    Tomtningar i utskärgården från yngre järnåldern: arkeologiska undersökningar på Landsort, Torö sn, Södermanland2003Report (Other academic)
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    Tomtningar i utskärgården från yngre järnåldern: arkeologiska undersökningar på Landsort, Torö sn, Södermanland
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  • 35. Lejoneke, Per
    et al.
    Rönnby, Johan
    Södertörn University, Avdelning 3, Underwater archaeology.
    Ship Timbers on the Arctic Shores of Svalbard: A Marine Archaeological Study2002In: The marine archaeology of the Baltic sea area (IV) / [ed] Rune Edberg, Huddinge: Södertörns högskola , 2002, p. 17-21Chapter in book (Other academic)
  • 36. Lejoneke, Per
    et al.
    Rönnby, Johan
    Södertörn University College, Avdelning 3, Underwater archaeology.
    Ship timbers on the Arctic Shores of Svalbard: A marine archaeological study.2000In: Polarforskningssekretariatets årsbok, ISSN 1402-2613, p. 77-79Article in journal (Other academic)
  • 37. Lindström, Jens
    et al.
    Olsson, Andreas
    Rönnby, Johan
    Södertörn University, School of Culture and Communication, Archaeology. Södertörn University, School of Culture and Communication, Maritime Archaeological Research Institute.
    Maritima Birka2012In: Birka nu: pågående forskning om världsarvet Birka och Hovgården / [ed] Hedenstierna-Jonsson, Charlotte, Stockholm: Historiska museets förlag, 2012, p. 29-43Chapter in book (Other academic)
  • 38. Nordström, Mikael
    et al.
    Rönnby, Johan
    Södertörn University College, Avdelning 3, Underwater archaeology.
    Nya undersökningar av röset i Huskvarnaviken2003In: Marinarkeologisk tidskrift, ISSN 1100-9632, Vol. 26, no 4, p. 18-20Article in journal (Other (popular science, discussion, etc.))
  • 39. Nordström, Mikael
    et al.
    Rönnby, Johan
    Södertörn University College, School of Sociology and Contemporary History, Archaeology.
    Röset i Huskvarnaviken: provgrävning i ett förmodat bronsåldersröse på fyra meters djup i Vättern : Ljungarums socken i Jönk...2005Report (Other academic)
  • 40. Ohlsson, Andreas
    et al.
    Lindström, Jens
    Rönnby, Johan
    Södertörn University, School of Culture and Communication, Maritime Archaeological Research Institute. Södertörn University, School of Culture and Communication, Archaeology.
    Birka under vatten2011In: Populär Arkeologi, ISSN 0281-014x, no 4, p. 24-25Article in journal (Other (popular science, discussion, etc.))
  • 41.
    Palm, Veronica
    et al.
    Södertörn University, School of Historical and Contemporary Studies, MARIS (Maritime Archaeological Research Institute).
    Rönnby, Johan
    Södertörn University, School of Historical and Contemporary Studies, Archaeology. Södertörn University, School of Historical and Contemporary Studies, MARIS (Maritime Archaeological Research Institute).
    Stäket vid Valstad: Arkeologisk provundersökning, Kallåker 4:4, Gamleby socken, Västerviks kommun, Kalmar län, Småland2018Report (Other academic)
    Abstract [en]

    In spring 2016, Södertörn University and MARIS, in collaboration with Västerviks Museum, conducted an archaeological research survey at Stäket, Kallåker 4:4 in Gamlebysocken, Västervik municipality, Kalmar County, Småland. At the survey two trenches were dug on land in connection with a previously known "pole blockage" in the water of Dynestadviken at a place called Stäket. One trench was placed in a stone construction situated close to the level of the Viking age shore line. The other trench was orientated in today's wetland adjacent to the timber construction in the water.

    The stone "cairn- like" construction lays in line with the timber construction in the water and are interpreted by us as associated with the underwater remains. The test trench was done in that part of the construction which is closest to the water. But the stone cairn seems to continue west at least 10 m up the beach slope. In the trench a brow, a flint and fragments of processed wood were found. Underneath and between the stones, wooden poles emerged of which one dates back to Viking age-early Middle Ages.

    The other trench, in the wetland closer to the water, could only be dug to approx. 0.2 m depth, but in this area several wooden poles appeared as well as parts of planks and a smallbox shaped wooden construction.

    Several of the upright standing poles, both in the water and on land have been dated to late Iron age, but there are also some dating of poles and planks from late Medieval/EarlyModern period. In connection to wood sampling in the water for dating of the poles a well worked oak plank also was found. The plank is dated to late Viking period and is very likely from a boat.

    During late Viking period, the place for the site was the most topographical strategic part of the waterway between the bay of Gamlebyviken and the protected inner water around Dynestadsjön. The choice of place gives an indication that the construction during this time is linked to strategy and protection of the rich Iron Age homeland north of the construction.

    The exact function of the constructions at Stäket cannot be said at the present time and there are several possible functions. The most obvious interpretation is to see it as a blockage defending the inlet, but there is also a possibility that the remains we know about today actually are a part of a larger harbour arrangement. Other possibilities which can't be excluded is that the construction could have been used for fishing or that some of the poles are remains of a bridge over the narrow inlet. Combinations of these different functions areof course also possible. Considering the different dating and the mix of wooden material is also very likely that the use and function of the place have changed during history.

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  • 42.
    Palm, Veronica
    et al.
    Södertörn University, School of Historical and Contemporary Studies, MARIS (Maritime Archaeological Research Institute). Västerviks Museum.
    Rönnby, Johan
    Södertörn University, School of Historical and Contemporary Studies, MARIS (Maritime Archaeological Research Institute). Södertörn University, School of Historical and Contemporary Studies, Archaeology.
    Bolin, Hans
    Södertörn University, School of Historical and Contemporary Studies, Archaeology.
    Stäket vid Valstad: Arkeologisk provundersökning etapp 2, Kallåker 4:4, Gamleby socken, Västerviks kommun, Kalmar län, Småland2019Report (Other academic)
    Abstract [en]

    In spring 2018, Södertörn University and MARIS, in collaboration with Västerviks Museum, conducted a second archaeological research survey at Stäket, Kallåker 4:4 in Gamleby socken, Västervik municipality, Kalmar County, Småland. At the survey a trenchs were dug on land in connection with a previously known “pole blockage” in the water of Dynestadviken at a place called Stäket. The trench was placed in line with a previously excavated stone construction situated close to the level of the Viking age shore line.

    The stone “cairn-like” construction lays in line with a timber construction in the water. The 2018 trench was placed in the upper part of the stone construction, 10 m up the beach slope, close to the test trench dug in 2016. The aim was to collect more data regarding the stone structure, it´s construction and use. Among the findings are flint fragments, horseshoe nails, coins and a clay pipe, all with a span from the 11th century to the 19th century.

    During late Viking period, the place for the site was the most topographical strategic part of the waterway between the bay of Gamlebyviken and the protected inner water around Dynestadsjön. The choice of place gives an indication that the construction during this time is linked to strategy and protection of the rich Iron Age homeland north of the construction.

    Several of the upright standing poles, both in the water and on land have previously been dated to late Iron age, but there are also some poles and planks from late Medieval/Early Modern period. New findings from 2018 confirm some sort of activities in the area in the 18th and 19th centuries, probably fishing.

    The exact function of the constructions at Stäket cannot be said at the present time and   there are several possible functions. The most obvious interpretation is to see it as a blockage defending the inlet, but there is also a possibility that the remains we know about today actually are a part of a larger harbour arrangement. Other possibilities which can’t be excluded is that the construction could have been used for fishing or that some of the poles are remains of a bridge over the narrow inlet. Combinations of these different functions are of course also possible. Considering the different dating and the mix of wooden material is also very likely that the use and function of the place have changed during history.

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  • 43.
    Rönnby, Johan
    Södertörn University, School of Sociology and Contemporary History, Archaeology.
    Archaeology and the Contemporary: the Limestone Industry at Lörje, Gotland, Sweden2004In: The interplay of past and present: papers from a session held at the 9th annual EAA meeting in St. Petersburg 2003 / [ed] Hans Bolin, Huddinge: Södertörns högskola , 2004, p. 71-82Conference paper (Other academic)
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  • 44.
    Rönnby, Johan
    Södertörn University, Avdelning 3, Underwater archaeology.
    Arkeologi i Stockholms vatten1998In: Forntid i ny dager: arkeologi i Stockholmstrakten / [ed] Bratt, Peter, Stockholm: Stockholms läns musem/Raster förlag , 1998, p. 298-307Chapter in book (Other academic)
  • 45.
    Rönnby, Johan
    Södertörn University, Avdelning 3, Underwater archaeology.
    Arkeologi i vatten: bevarandeförhållanden och undersökningsmetodik1999In: Marinarkeologisk tidskrift, ISSN 1100-9632, Vol. 22, no 2, p. 16-19Article in journal (Other academic)
  • 46.
    Rönnby, Johan
    Södertörn University, School of Historical and Contemporary Studies, Archaeology. Södertörn University, School of Historical and Contemporary Studies, MARIS (Maritime Archaeological Research Institute).
    Arkeologi på Svarta havets botten2022In: Populär arkeologi, ISSN 0281-014x, no 3, p. 30-36Article in journal (Other (popular science, discussion, etc.))
  • 47.
    Rönnby, Johan
    Södertörn University, School of Culture and Communication, Archaeology. Södertörn University, School of Culture and Communication, Maritime Archaeological Research Institute.
    Arkeologin, akademin och samtiden2010In: Tradition och praxis i högre utbildning: tolv ämnesdidaktiska studier / [ed] Anders Burman, Ana Graviz, Johan Rönnby, Huddinge: Södertörns högskola , 2010, p. 11-33Chapter in book (Other academic)
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    Arkeologin, akademin och samtiden
  • 48.
    Rönnby, Johan
    Södertörn University College, School of Sociology and Contemporary History, Archaeology.
    Arkeologin och den postmoderna akademin2005In: Sammanställningar av uppsatser från kursen Pedagogik i högre utbildning, 20 poäng läsåret 2003/04. / [ed] Gunilla Härsten och Britta Wingård, Stockholm: Lärarhögskolan , 2005Chapter in book (Other academic)
  • 49.
    Rönnby, Johan
    Södertörn University College, School of Culture and Communication, Archaeology.
    Att bilda varandra – Södertörns högskola2008In: Bildning i praktiken, Stockholm: Högskoleverket , 2008, p. 7-16Chapter in book (Other academic)
  • 50.
    Rönnby, Johan
    Södertörn University, Avdelning 3, Underwater archaeology.
    Att gå under vatten1999In: Arkeologi i Norden / [ed] Burenhult, Göran, Stockholm: Natur och kultur, 1999, p. 68-73Chapter in book (Other academic)
123 1 - 50 of 106
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