scholarly journals Re-creating the Past - On the Quality of Archaeological Reconstruction on Gotland

2021 ◽  
Vol 7 (1) ◽  
pp. 131-148
Author(s):  
Bodil Petersson
Keyword(s):  
Baltic Sea ◽  
Public Utility ◽  
Implicit Motives ◽  
The Baltic Sea ◽  
The Past ◽  
Long Time ◽  
Archaeological Reconstruction ◽  
The Baltic ◽  
The Relationship

Re-creating the past in full-scale, open-air reconstructions has been done for a long time, but the phenomenon has been accelerating and changing character during the last two decades. The article examines how the reconstruction activities are motivated. Explicit aims are contrasted with implicit motives inherent in reconstruction. Public utility is proposed as an important excuse for the reconstruction activities. As a consequence of the relationship between explicit aims and public utility, we get a rigid form of quality thinking that expresses elitism. Instead of fruitless criticism we can express more clearly what we expect from a reconstruction, and why. Examples used are taken from the island of Gotland in the Baltic Sea.

Whitefish (Coregonus lavaretus (L.)) landings in the Baltic Sea during the past 100 years: combining official datasets and grey literature

2013 ◽  
Vol 64 ◽  
pp. 133-152 ◽  
Author(s):  
Aare Verliin ◽  
Lauri Saks ◽  
Roland Svirgsden ◽  
Markus Vetemaa ◽  
Mehis Rohtla ◽  
...  
Keyword(s):  
Baltic Sea ◽  
Grey Literature ◽  
Coregonus Lavaretus ◽  
The Baltic Sea ◽  
The Past ◽  
The Baltic

Screening the East, Probing the Past: The Baltic Sea in Contemporary German Cinema

2004 ◽  
Vol 22 (2) ◽  
pp. 27-48
Author(s):  
Alexandra Ludewig
Keyword(s):  
Gender Roles ◽  
Baltic Sea ◽  
Breeding Ground ◽  
Berlin Wall ◽  
The Baltic Sea ◽  
The Past ◽  
Traditional Gender Roles ◽  
German Cinema ◽  
The Baltic ◽  
Artistic Heritage

Since the fall of the Berlin Wall, unification, and the subsequent reinventionof the nation, German filmmakers have revisited theircountry’s cinematic traditions with a view to placing themselves creativelyin the tradition of its intellectual and artistic heritage. One ofthe legacies that has served as a point of a new departure has beenthe Heimatfilm, or homeland film. As a genre it is renowned for itsrestorative stance, as it often features dialect and the renunciation ofcurrent topicality, advocates traditional gender roles, has antimodernovertones of rural, pastoral, often alpine, images, and expressesa longing for premodern times, for “the good old days” that supposedlystill exist away from the urban centres. The Nazis used Heimatfilms in an effort “to idealize ‘Bauerntum’ as the site of desirable traditionsand stereotyped the foreign (most often the urban) as thebreeding ground for moral decay.”

Petroleum hydrocarbons - a necessity of monitoring in a dredged material in the Polish coastal zone

2018 ◽  
Vol 33 (1) ◽  
pp. 50-60
Author(s):  
Marta Staniszewska ◽  
Helena Boniecka
Keyword(s):  
Baltic Sea ◽  
Coastal Zone ◽  
Petroleum Hydrocarbons ◽  
The Other ◽  
Dredged Material ◽  
The Baltic Sea ◽  
Legal Standards ◽  
Open Sea ◽  
Long Time ◽  
The Baltic

Petroleum hydrocarbons (PHCs) are toxic for the water organisms and in sediments they may last for a very long time. The Baltic Sea is an area exposed to the PHCs due to highly developed shipping. In Poland, there is a lack of legal standards specifying guidelines regarding handling dredged material containing PHCs, excavated in waterways, roadsteads, and in port basins, and there are no standards specifying their acceptable concentration in sediments. Therephore petroleum hydrocarbons in the excavated dredged material are rarely examined at the Polish coasts. In years 2009-2018 only 4% of sediments were examined in terms of their content. Indicated that only the sediments from the open sea did not contain PHCs, the other ones were very or moderately contaminated with PHCs. Collected results clearly indicate that sediment should be monitored in terms of the PHC content, in most cases should not be thrown back to the sea. In most cases they may be stored onshore, but only on wastelands, mainly industrial and transport areas. Some of them may also be used in the areas of cleaner lands, i.e. forests, wood- and bush-covered lands, recreation and leisure areas.

Regional differences in winter sea level variations in the Baltic Sea for the past 200 yr

2008 ◽  
Vol 60 (2) ◽  
pp. 384-393 ◽  
Author(s):  
Birgit Hünicke ◽  
Jürg Luterbacher ◽  
Andreas Pauling ◽  
Eduardo Zorita
Keyword(s):  
Baltic Sea ◽  
Sea Level ◽  
Regional Differences ◽  
The Baltic Sea ◽  
The Past ◽  
Sea Level Variations ◽  
The Baltic

scholarly journals Sedimentary alkalinity generation and long-term alkalinity development in the Baltic Sea

2018 ◽  
Author(s):  
Erik Gustafsson ◽  
Mathilde Hagens ◽  
Xiaole Sun ◽  
Daniel C. Reed ◽  
Christoph Humborg ◽  
...  
Keyword(s):  
Baltic Sea ◽  
Reactive Transport ◽  
Total Alkalinity ◽  
Biogeochemical Model ◽  
Co2 Uptake ◽  
Low Oxygen ◽  
The Baltic Sea ◽  
The Past ◽  
Oxygen Conditions ◽  
The Baltic

Abstract. Enhanced release of alkalinity from the seafloor, principally driven by anaerobic degradation of organic matter under low-oxygen conditions and associated secondary redox reactions, can increase the carbon dioxide (CO2) buffering capacity of seawater and therefore oceanic CO2 uptake. The Baltic Sea has undergone severe changes in oxygenation state and total alkalinity (TA) over the past decades. The link between these concurrent changes has not yet been investigated in detail. A recent system-wide TA budget constructed for the past 50 years using BALTSEM, a coupled physical-biogeochemical model for the whole Baltic Sea area, revealed an unknown TA source. Here we use BALTSEM in combination with observational data and one-dimensional reactive transport modelling of sedimentary processes in the Fårö Deep, a deep Baltic Sea basin, to test whether sulfate reduction coupled to iron (Fe) sulfide burial can explain the missing TA source in the Baltic Proper. We calculated that this burial can account for 26 % of the missing source in this basin, with the remaining TA possibly originating from unknown river inputs or submarine groundwater discharge. We also show that temporal variability in the input of Fe to the sediments since the 1970s drives changes in sulfur burial in the Fårö Deep, suggesting that Fe availability is the ultimate limiting factor for TA generation under anoxic conditions. The implementation of projected climate change and two nutrient load scenarios for the 21st century in BALTSEM shows that reducing nutrient loads will improve deep water oxygen conditions, but at the expense of lower surface water TA concentrations, CO2 buffering capacities and faster acidification. When these changes additionally lead to a decrease in Fe inputs to the sediment of the deep basins, anaerobic TA generation will be reduced even further, thus exacerbating acidification. This work highlights that Fe dynamics play a key role in the release of TA from sediments where Fe sulfide formation is limited by Fe availability, as exemplified for the Baltic Sea. Moreover, it demonstrates that burial of Fe sulfides should be included in TA budgets of low oxygen basins.

scholarly journals Intellectualization of the Phased Assessment and Use of the Potential for Internationalizing the Activity of Clusters of Cultural and Creative Industries of the Baltic Sea Regions

TEM Journal ◽  
2020 ◽  
pp. 1068-1075
Author(s):  
Olha Prokopenko ◽  
Vitaliy Omelyanenko
Keyword(s):  
Baltic Sea ◽  
Driving Force ◽  
Creative Industries ◽  
Decision Making Process ◽  
The Baltic Sea ◽  
Baltic Sea Region ◽  
The Baltic ◽  
Available Information ◽  
Cultural And Creative Industries

The cultural and creative industries sector is an essential driving force of the Baltic Sea Region economy. This article presents a methodology for intellectualization, including phased assessment and use of the potential of internationalization of the clusters. It provides suitable templates of the estimation that can gradually improve the quality of the evaluation with the amount of available information. The methodology ensures transparency of the analysis and decision-making process. The presented methodology can be easily adapted to assess the potential of internationalized clusters in other sectors of the economy. Similarly, the potential of internationalization of cluster activities' concept is determined.

scholarly journals Sea Level Dynamics and Coastal Erosion in the Baltic Sea Region

2021 ◽  
Author(s):  
Ralf Weisse ◽  
Inga Dailidiene ◽  
Birgit Hünicke ◽  
Kimmo Kahma ◽  
Kristine Madsen ◽  
...  
Keyword(s):  
Baltic Sea ◽  
Sea Level ◽  
Coastal Erosion ◽  
Data Availability ◽  
The Baltic Sea ◽  
Mean Sea Level ◽  
The Past ◽  
Coastline Change ◽  
Baltic Sea Region ◽  
The Baltic

Abstract. There are a large number of geophysical processes affecting sea level dynamics and coastal erosion in the Baltic Sea region. These processes operate on a large range of spatial and temporal scales and are observed in many other coastal regions worldwide. Together with the outstanding number of long data records, this makes the Baltic Sea a unique laboratory for advancing our knowledge on interactions between processes steering sea level and erosion in a climate change context. Processes contributing to sea level dynamics and coastal erosion in the Baltic Sea include the still ongoing visco-elastic response of the Earth to the last deglaciation, contributions from global and North Atlantic mean sea level changes, or from wind waves affecting erosion and sediment transport along the subsiding southern Baltic Sea coast. Other examples are storm surges, seiches, or meteotsunamis contributing primarily to sea level extremes. All such processes have undergone considerable variations and changes in the past. For example, over the past about 50 years, the Baltic absolute (geocentric) mean sea level rose at a rate slightly larger than the global average. In the northern parts, due to vertical land movements, relative sea level decreased. Sea level extremes are strongly linked to variability and changes in the large-scale atmospheric circulation. Patterns and mechanisms contributing to erosion and accretion strongly depend on hydrodynamic conditions and their variability. For large parts of the sedimentary shores of the Baltic Sea, the wave climate and the angle at which the waves approach the nearshore are the dominant factors, and coastline changes are highly sensitive to even small variations in these driving forces. Consequently, processes contributing to Baltic sea level dynamics and coastline change are expected to vary and to change in the future leaving their imprint on future Baltic sea level and coastline change and variability. Because of the large number of contributing processes, their relevance for understanding global figures, and the outstanding data availability, we argue that global sea level research and research on coastline changes may greatly benefit from research undertaken in the Baltic Sea.

scholarly journals Sedimentary alkalinity generation and long-term alkalinity development in the Baltic Sea

2019 ◽  
Vol 16 (2) ◽  
pp. 437-456 ◽  
Author(s):  
Erik Gustafsson ◽  
Mathilde Hagens ◽  
Xiaole Sun ◽  
Daniel C. Reed ◽  
Christoph Humborg ◽  
...  
Keyword(s):  
Baltic Sea ◽  
Reactive Transport ◽  
Total Alkalinity ◽  
Biogeochemical Model ◽  
Co2 Uptake ◽  
Low Oxygen ◽  
The Baltic Sea ◽  
The Past ◽  
Oxygen Conditions ◽  
The Baltic

Abstract. Enhanced release of alkalinity from the seafloor, principally driven by anaerobic degradation of organic matter under low-oxygen conditions and associated secondary redox reactions, can increase the carbon dioxide (CO2) buffering capacity of seawater and therefore oceanic CO2 uptake. The Baltic Sea has undergone severe changes in oxygenation state and total alkalinity (TA) over the past decades. The link between these concurrent changes has not yet been investigated in detail. A recent system-wide TA budget constructed for the past 50 years using BALTSEM, a coupled physical–biogeochemical model for the whole Baltic Sea area revealed an unknown TA source. Here we use BALTSEM in combination with observational data and one-dimensional reactive-transport modeling of sedimentary processes in the Fårö Deep, a deep Baltic Sea basin, to test whether sulfate (SO42-) reduction coupled to iron (Fe) sulfide burial can explain the missing TA source in the Baltic Proper. We calculated that this burial can account for up to 26 % of the missing source in this basin, with the remaining TA possibly originating from unknown river inputs or submarine groundwater discharge. We also show that temporal variability in the input of Fe to the sediments since the 1970s drives changes in sulfur (S) burial in the Fårö Deep, suggesting that Fe availability is the ultimate limiting factor for TA generation under anoxic conditions. The implementation of projected climate change and two nutrient load scenarios for the 21st century in BALTSEM shows that reducing nutrient loads will improve deep water oxygen conditions, but at the expense of lower surface water TA concentrations, CO2 buffering capacities and faster acidification. When these changes additionally lead to a decrease in Fe inputs to the sediment of the deep basins, anaerobic TA generation will be reduced even further, thus exacerbating acidification. This work highlights that Fe dynamics plays a key role in the release of TA from sediments where Fe sulfide formation is limited by Fe availability, as exemplified by the Baltic Sea. Moreover, it demonstrates that burial of Fe sulfides should be included in TA budgets of low-oxygen basins.

scholarly journals Hypoxic areas, density-dependence and food limitation drive the body condition of a heavily exploited marine fish predator

2016 ◽  
Vol 3 (10) ◽  
pp. 160416 ◽  
Author(s):  
Michele Casini ◽  
Filip Käll ◽  
Martin Hansson ◽  
Maris Plikshs ◽  
Tatjana Baranova ◽  
...  
Keyword(s):  
Baltic Sea ◽  
Density Dependence ◽  
Body Condition ◽  
Food Limitation ◽  
Biological Data ◽  
The Body ◽  
The Baltic Sea ◽  
Fish Predator ◽  
The Past ◽  
The Baltic

Investigating the factors regulating fish condition is crucial in ecology and the management of exploited fish populations. The body condition of cod ( Gadus morhua ) in the Baltic Sea has dramatically decreased during the past two decades, with large implications for the fishery relying on this resource. Here, we statistically investigated the potential drivers of the Baltic cod condition during the past 40 years using newly compiled fishery-independent biological data and hydrological observations. We evidenced a combination of different factors operating before and after the ecological regime shift that occurred in the Baltic Sea in the early 1990s. The changes in cod condition related to feeding opportunities, driven either by density-dependence or food limitation, along the whole period investigated and to the fivefold increase in the extent of hypoxic areas in the most recent 20 years. Hypoxic areas can act on cod condition through different mechanisms related directly to species physiology, or indirectly to behaviour and trophic interactions. Our analyses found statistical evidence for an effect of the hypoxia-induced habitat compression on cod condition possibly operating via crowding and density-dependent processes. These results furnish novel insights into the population dynamics of Baltic Sea cod that can aid the management of this currently threatened population.

scholarly journals New records from the southern North Sea and first records from the Baltic Sea of Kornmannia leptoderma

2019 ◽  
Vol 62 (1) ◽  
pp. 63-73
Author(s):  
Florian Weinberger ◽  
Sophie Steinhagen ◽  
Dmitry F. Afanasyev ◽  
Rolf Karez
Keyword(s):  
Life Cycle ◽  
Baltic Sea ◽  
North Sea ◽  
New Records ◽  
The Baltic Sea ◽  
The Past ◽  
The North ◽  
Green Algal ◽  
The North Sea ◽  
The Baltic

Abstract Combined genetic, morphological and ontogenetic observations show that the circumarctic boreal green algal macrophyte Kornmannia leptoderma has expanded its distribution range into the Baltic Sea, on a German coastal section of 220 km length. The species is also again (or still) established at its former extreme southern distribution limit in the North Sea, the German island of Helgoland, where it has not been detected during the last four decades. Macroscopic visible sporophytes of K. leptoderma are nowadays present in the Baltic Sea and at Helgoland from February to September, while they were in the past only detected from February to May at Helgoland. This capacity for formation of sporophytes in summer correlates with the circumstance that K. leptoderma from the Baltic Sea can complete its life cycle at 15°C while several studies conducted decades ago with material from Helgoland and from Pacific coasts consistently reported an inhibition of the algal gametogenesis at temperatures that exceed 12°C. Possibly K. leptoderma has undergone adaptations that facilitate its spread into warmer environments, unless the Kornmannia present in the Baltic Sea and on Helgoland today represents a newly introduced cryptic species.

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