Department of Earth Science: Nye registreringer

Viser treff 1-20 av 1076

    • Ice-dammed lakes and deglaciation history of the Scandinavian Ice Sheet in central Jämtland, Sweden 

      Regnéll, Carl; Peterson Becher, Gustaf; Öhrling, Christian; Greenwood, Sarah L.; Gyllencreutz, Richard; Blomdin, Robin; Brendryen, Jo; Goodfellow, Bradley W.; Mikko, Henrik; Ransed, Gunnel; Smith, Colby (Journal article; Peer reviewed, 2023)
      Extensive glacial lakes dammed in the Scandinavian Mountains during the retreat of the last Scandinavian Ice Sheet were first hypothesised over a century ago. Here, using high-resolution LiDAR, we report >4500 relict ...

    • Symplectite and kelyphite formation during decompression of mafic granulite from Gjelsvikfjella, central Dronning Maud Land, Antarctica 

      Elvevold, Synnøve; Jacobs, Joachim; Pedersen, Leif-Erik Rydland; Sunde, Øyvind; Engvik, Ane; Myhre, Per Inge (Journal article; Peer reviewed, 2023)
      Central Dronning Maud Land (cDML) is part of the late Mesoproterozoic Maud Belt in East Antarctica, which was metamorphosed and deformed during the Ediacaran–Cambrian Gondwana assembly. Here we study high-pressure (HP) ...

    • Significance of Short-Wavelength Magnetic Anomaly Low Along the East Pacific Rise Axis, 9°50′N 

      Berrios-Rivera, Natalia; Gee, Jeffrey S.; Parnell-Turner, Ross; Maher, Sarah; Wu, Jyun-Nai; Fornari, Daniel; Tivey, Maurice; Marjanović, Milena; Barreyre, Thibaut; McDermott, Jill (Journal article; Peer reviewed, 2023)
      Magnetic anomaly variations near mid-ocean ridge spreading centers are sensitive to a variety of crustal accretionary processes as well as geomagnetic field variations when the crust forms. We collected near-bottom vector ...

    • Sensitivity of coastal southern African climate to changes in coastline position and associated land extent over the last glacial 

      Göktürk, Ozan Mert; Sobolowski, Stefan Pieter; Simon, Margit Hildegard; Zhang, Zhongshi; Jansen, Eystein (Journal article; Peer reviewed, 2023)
      Paleoclimatic changes in South Africa, especially around the southern Cape region, are of intense interdisciplinary interest; as this is an important area in the context of human evolution, hosting several prominent ...

    • Complex fault system revealed by 3-D seismic reflection data with deep learning and fault network analysis 

      Wrona, Thilo; Pan, Indranil; Bell, Rebecca E.; Jackson, Christopher A.-L.; Gawthorpe, Rob; Fossen, Haakon; Osagiede, Edoseghe Edwin; Brune, Sascha (Journal article; Peer reviewed, 2023)
      Understanding where normal faults are located is critical for an accurate assessment of seismic hazard; the successful exploration for, and production of, natural (including low-carbon) resources; and the safe subsurface ...

    • Impact of Inherited Foreland Relief on Retro-Foreland Basin Architecture 

      Gérard, Benjamin; Rouby, Delphine; Huismans, Ritske Sipke; Robin, Cécile; Fillon, Charlotte; Braun, Jean (Journal article; Peer reviewed, 2023)
      We use a Landscape Evolution Model including flexural isostasy to investigate the influence of inherited foreland relief on the stratigraphic evolution of the retro-foreland domain during mountain building. We show models ...

    • 3-D induction log modelling with integral equation method and domain decomposition pre-conditioning 

      Saputera, Durra Handri; Jakobsen, Morten; van Dongen, Koen W. A.; Jahani, Nazanin; Eikrem, Kjersti Solberg; Alyaev, Sergey (Journal article; Peer reviewed, 2024)
      The deployment of electromagnetic (EM) induction tools while drilling is one of the standard routines for assisting the geosteering decision-making process. The conductivity distribution obtained through the inversion of ...

    • Deghosting dual-component streamer data using demigration-based supervised learning 

      Jonge, Thomas de; Vinje, Vetle; Poole, Gordon; Zhao, Peng; Iversen, Einar (Journal article; Peer reviewed, 2024)
      Ghost reflections from the free surface distort the source signature and generate notches in the seismic amplitude spectrum. For this reason, removing ghost reflections is essential to improve the bandwidth and signal-to-noise ...

    • Earthquake-induced landslides in Norway 

      Sørensen, Mathilde Bøttger; Haga, Torbjorn; Nesje, Atle (Journal article; Peer reviewed, 2023)
      Norway is located in an intraplate setting with low-to-moderate seismicity. The mountainous landscape leads to a high level of landside activity throughout the country. Earthquake-induced landslides (EQILs) are common in ...

    • Spatio-temporal variability in geometry and geodetic mass balance of Jostedalsbreen ice cap, Norway 

      Andreassen, Liss Marie; Robson, Benjamin Aubrey; Sjursen, Kamilla Hauknes; Elvehøy, Hallgeir; Kjøllmoen, Bjarne; Carrivick, Jonathan L. (Journal article; Peer reviewed, 2023)
      The Jostedalsbreen ice cap is mainland Europe's largest ice cap and accommodates 20% (458 km2 in 2019) of the total glacier area of mainland Norway. Jostedalsbreen and its meltwater contribute to global sea-level rise and ...

    • The West African salt-bearing rifted margin—Regional structural variability and salt tectonics between Gabon and Namibe 

      Pichel, Leonardo Muniz; Legeay, Etienne; Ringenbach, Jean-Claude; Callot, Jean-Paul (Journal article; Peer reviewed, 2023)
      Salt-bearing rifted margins comprise some of the most structurally complex and economically important sedimentary basin settings such as the South Atlantic and the Gulf of Mexico salt basins. They are also involved with ...

    • The Role of On- and Off-Axis Faults and Fissures During Eruption Cycles and Crustal Accretion at 9°50′N, East Pacific Rise 

      Wu, Jyun-Nai; Parnell-Turner, Ross; Fornari, Daniel J.; Berrios-Rivera, Natalia; Barreyre, Thibaut; McDermott, Jill M. (Journal article; Peer reviewed, 2023)
      Fissures and faults provide insight into how plate separation is accommodated by magmatism and brittle deformation during crustal accretion. Although fissure and fault geometry can be used to quantify the spreading process ...

    • Seismic Imaging of the Westward Transition From Yakutat to Pacific Subduction in Southern Alaska 

      Millet, Florian; Rondenay, Stephane; Bodin, Thomas; Tape, Carl (Journal article; Peer reviewed, 2023)
      Alaska is located at the northernmost point of the interface between the Pacific plate and the North American continent. The subduction of the Pacific plate generates arc volcanoes along the Aleutian trench, which stops ...

    • The EPOS multi-disciplinary Data Portal for integrated access to solid Earth science datasets 

      Bailo, Daniele; Paciello, Rossana; Michalek, Jan; Cocco, Massimo; Freda, Carmela; Jeffery, Keith; Atakan, Kuvvet (Journal article; Peer reviewed, 2023)
      The European Plate Observing System (EPOS) is a long-term initiative aimed at integrating research infrastructures for solid Earth science in Europe. EPOS provides a sustainable, multidisciplinary user-oriented platform - ...

    • 1D crustal structure of Albania region 

      Dushi, Edmond; Havskov, Jens (Journal article; Peer reviewed, 2023)
      A new crustal 1D layered model for Albania has been determined. The data used consist of P and S readings from 108 evenly distributed and well located earthquakes using the Albanian Seismic Network and nearby seismic ...

    • Internal structure of a Himalayan debris-covered glacier revealed by borehole optical televiewing 

      Miles, Katie E.; Hubbard, Bryn; Miles, Evan S.; Quincey, Duncan J.; Rowan, Ann Victoria (Journal article; Peer reviewed, 2023)
      Characterising the structures within glaciers can give unique insight into ice motion processes. On debris-covered glaciers, traditional structural glaciological mapping is challenging because the lower glacier is hidden ...

    • A previously unidentified fault revealed by the February 25, 2022 (Mw 6.1) Pasaman Earthquake, West Sumatra, Indonesia 

      Supendi, Pepen; Rawlinson, Nicholas; Prayitno, Bambang Setiyo; Sianipar, Dimas; Simanjuntak, Andrean; Widiyantoro, Sri; Palgunadi, Kadek Hendrawan; Kurniawan, Andri; Shiddiqi, Hasbi Ash; Nugraha, Andri Dian; Sahara, David P.; Daryono, Daryono; Triyono, Rahmat; Adi, Suko Prayitno; Karnawati, Dwikorita; Daniarsyad, Gatut; Ahadi, Suaidi; Fatchurochman, Iman; Anugrah, Suci Dewi; Heryandoko, Nova; Sudrajat, Ajat (Journal article; Peer reviewed, 2023)
      A destructive earthquake (Mw 6.1) struck Pasaman, West Sumatra, Indonesia, on 25 February 2022, resulting in at least 18 deaths and damage to 1765 buildings. Our relocated foreshock, mainshock, and aftershocks and their ...

    • Spatial variability in topology, connectivity and permeability of deformation band networks: Insights from the Jurassic Entrada Sandstone, Utah 

      Heggernes, Hakan; Rotevatn, Atle; Demurtas, Matteo; Nixon, Casey William; Fossen, Haakon (Journal article; Peer reviewed, 2023)
      Networks of deformation bands have the potential to act as baffles to fluid flow, yet little work has been devoted to addressing their network properties, such as topology and connectivity. Motivated by this, we investigate ...

    • The 2021 MW 6.2 Mamuju, West Sulawesi, Indonesia earthquake: partial rupture of the Makassar Strait thrust 

      Meilano, Irwan; Salman, Rino; Susilo, Susilo; Shiddiqi, Hasbi Ash; Supendi, Pepen; Lythgoe, Karen; Tay, Cheryl; Bradley, Kyle; Rahmadani, Suchi; Kristyawan, Said; Yun, Sang-Ho (Journal article; Peer reviewed, 2023)
      On the 2021 January 15 (local date), an MW 6.2 earthquake struck the Mamuju and Majene regions of West Sulawesi, Indonesia. This event killed more than 100 inhabitants, leaving at least 30 000 people displaced from their ...

    • A conjugate fault revealed by the destructive Mw 5.6 (November 21, 2022) Cianjur earthquake, West Java, Indonesia 

      Supendi, Pepen; Winder, Tom; Rawlinson, Nicholas; Bacon, Conor Andrew; Palgunadi, Kadek Hendrawan; Simanjuntak, Andrean; Kurniawan, Andri; Widiyantoro, Sri; Nugraha, Andri Dian; Shiddiqi, Hasbi Ash; Ardianto, NN; Daryono, NN; Adi, Suko Prayitno; Karnawati, Dwikorita; Priyobudi, NN; Marliyani, Gayatri Indah; Imran, Iswandi; Jatnika, Jajat (Journal article; Peer reviewed, 2023)
      On 21 November 2022, a destructive earthquake (Mw 5.6) struck Cianjur, West Java, Indonesia, resulting in at least 321 deaths, damage to 47,000 buildings, and economic losses of up to 7.7 trillion Indonesian Rupiahs (∼US ...