Magnetic enhancement of Baltic Sea sapropels by greigite magnetofossils
نویسندگان
چکیده
منابع مشابه
Diagenetic magnetic enhancement of sapropels from the eastern Mediterranean Sea
Diagenetic dissolution of magnetic minerals has been widely observed in organic-rich sediments from many environments. Organic-rich sediments from the eastern Mediterranean Sea (sapropels), recovered during Leg 160 of the Ocean Drilling Program, reveal a surprising catalogue of magnetic properties. Sapropels, from all sites studied across the eastern Mediterranean Sea, are strongly magnetic and...
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[1] We provide comprehensive low-temperature magnetic results for greigite (Fe3S4) across the spectrum from superparamagnetic (SP) to multidomain (MD) behavior. It is well known that greigite has no lowtemperature magnetic transitions, but we also document that it has strong domain-state dependence of magnetic properties at low temperatures. Blocking of SP grains and increasing thermal stabilit...
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A research report from the Swedish Environmental Advisory Council, titled A Strategy for Ending Eutrophication of Seas and Coasts, argues that the Baltic Sea is facing an ecological flip, associated with changes characterized by excessive algal bloom and a fishing industry in crisis (MVB 2005). Eutrophication may be the most severe of the consequences faced by the Baltic Sea. According to HELCO...
متن کاملBaltic Sea Typology Editors
This article is an update and extension of an earlier publication (SCHERNEWSKI & WIELGAT 2004). Intensive public discussions suggested slight modifications in the typology as well as an updating and completion of comparisons between our typology and the national typologies. We further show examples how the water body concept can be applied to subdivide coastal water types as a response to exter...
متن کاملState of the Baltic Sea
Preface BalticSTERN (Systems Tools and Ecological-economic evaluation – a Research Network) is an international research network with partners in all countries around the Baltic Sea. The research focuses on costs and benefits of mitigating eutrophication and meeting environmental targets of the HELCOM Baltic Sea Action Plan. Case studies regarding fisheries management , oil spills and invasive ...
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ژورنال
عنوان ژورنال: Earth and Planetary Science Letters
سال: 2013
ISSN: 0012-821X
DOI: 10.1016/j.epsl.2013.01.029