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Browsing by Subject "General Earth and Planetary Sciences"

Browsing by Subject "General Earth and Planetary Sciences"

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  • Parks, Michelle M.; Sigmundsson, Freysteinn; Drouin, Vincent; Hreinsdóttir, Sigrún; Hooper, Andrew; Yang, Yilin; Ófeigsson, Benedikt G.; Sturkell, Erik; Hjartardóttir, Ásta R.; Grapenthin, Ronni; Geirsson, Halldór; Trasatti, Elisa; Barsotti, Sara; Pedersen, Rikke; Einarsson, Páll; Óladóttir, Bergrún A.; Friðriksdóttir, Hildur M. (2024-02-28)
    Unrest began in July 2021 at Askja volcano in the Northern Volcanic Zone (NVZ) of Iceland. Its most recent eruption, in 1961, was predominantly effusive and produced ∼0.1 km3 lava field. The last plinian eruption at Askja occurred in 1875. Geodetic ...
  • Aichner, Bernhard; Gierga, Merle; Stolz, Alexander; Mȩtrak, Monika; Wilk, Mateusz; Suska-Malawska, Małgorzata; Mischke, Steffen; Sachse, Dirk; Rajabov, Ilhomjon; Rajabov, Nasimjon; Rethemeyer, Janet (2021-09-23)
    To elucidate the dynamics of terrestrial leaf waxes in a high-altitude lake system, we performed compound-specific radiocarbon analysis (CSRA) of long-chain n-alkanes in two sediment core sections from Lake Karakul (Pamirs, Tajikistan) and in surface ...
  • Gudmundsson, Magnus Tumi; Janebo, Maria; Larsen, Guðrún; Högnadóttir, Thórdís; Thordarson, Thorvaldur; Gudnason, Jonas; Jónsdóttir, Tinna (Joklarannsoknafelag Islands, 2021-12-08)
    Due to poor preservation and lack of proximal tephra thickness data, no comprehensive isopach map has existed for the tephra layer from the major eruption of the Katla volcano in 1918. We present such a map obtained by combining existing data on the ...
  • Kopacz, Nina; Csuka, Joleen Mary; Baqué, Mickael; Iakubivskyi, Iaroslav; Guðlaugardóttir, Hrefna; Klarenberg, Ingeborg J.; Ahmed, Mahid; Zetterlind, Alexandra; Singh, Abhijeet; Kate, Inge L. ten; Hellebrand, Eric; Stockwell, Brent; Stefánsson, Árni B.; Vilhelmsson, Oddur; Neubeck, Anna; Schnürer, Anna; Geppert, Wolf (2022-05)
    Lava tubes on Mars hold exciting potential for the preservation of biosignatures, which may survive on geological timescales in these isolated, stable environments. To support the development of future astrobiological mission concepts, we turn to ...
  • Cubuk-Sabuncu, Yesim; Jónsdóttir, Kristín; Caudron, Corentin; Lecocq, Thomas; Parks, Michelle Maree; Geirsson, Halldór; Mordret, Aurélien (2021-06-01)
    Repeated periods of inflation-deflation in the vicinity of Mt. Þorbjörn-Svartsengi, SW-Iceland, were detected in January–July, 2020. We used seismic ambient noise and interferometry to characterize temporal variations of seismic velocities (dv/v, %). ...