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Geosciences, Volume 13, Issue 8

August 2023 - 34 articles

Cover Story: The complex and locally variable mosaic of sedimentary units seen on modern passive margins mitigates the significant exchange of seawater and groundwater offshore. Discharge of offshore groundwater to the ocean can transmit contaminants and nutrients that may contribute as much water as river discharge. This study examines sediment deposits 2–20 km off the Isle of Palms, South Carolina, using an integrated geophysical and sedimentological approach that included 13 sediment vibracores collected at intersections of high-resolution seismic profiles. The numerous small paleochannels found in this area were most likely former estuarine channels comprising a drowned marsh environment that confines groundwater flow. Pulses of groundwater discharge have been detected just beyond the paleochannels. This suggests that mapping paleochannel systems is important for predicting groundwater flow. View this paper
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Articles (34)

  • Article
  • Open Access
4 Citations
3,592 Views
29 Pages

The geoheritage value in the Thames District, North Island, New Zealand, is notable for its over 50 epithermal gold deposits associated with the Coromandel Volcanic Zone, significant to the region’s geological, cultural, and mining heritage. Th...

  • Article
  • Open Access
2 Citations
2,050 Views
21 Pages

The water balance in the very shallow subsurface can be influenced by capillary rise due to a high groundwater table. Since moisture content is an important factor for the thermal conductivity of soils, this can also have an influence on the very sha...

  • Article
  • Open Access
5 Citations
3,144 Views
20 Pages

Landslides are the most common natural hazard in the Piemonte region (northwestern Italy). This study is focused on shallow landslides caused by the sliding of the surficial detrital-colluvial cover caused by rainfall and characterized by a sudden an...

  • Article
  • Open Access
1 Citations
3,595 Views
13 Pages

Dolomitic aquifers are regarded as important groundwater storage sites in South Africa. Since these aquifers occur in a semi-arid climatic setting with low rainfall, often characterized by a torrential downpour and high potential evapotranspiration,...

  • Article
  • Open Access
3 Citations
3,098 Views
22 Pages

Twenty-Two Years of GPS Monitoring at Rabaul Caldera, a Narrative History

  • Steve Saunders,
  • Eric Tenor,
  • Joseph Wakawa and
  • John Nohou

It has long been recognised that volcanoes deform as fluids migrate, or change pressure in fractures and reservoirs within the volcano or in the crust below and around them. Calderas in particular have been shown to deform in complex and often major...

  • Article
  • Open Access
1 Citations
2,846 Views
16 Pages

Generation of the Quaternary Normal Faults in the Messina Strait (Italy)

  • Enzo Mantovani,
  • Marcello Viti,
  • Daniele Babbucci and
  • Caterina Tamburelli

It is widely recognized that since the Early–Middle Pleistocene, the Messina zone, the site of strong earthquakes, has undergone extension, but the geodynamic context which determined this deformation is still a matter of debate. This work suggests t...

  • Article
  • Open Access
2 Citations
2,207 Views
21 Pages

Many ephemeral Mediterranean watercourses are affected by the growth of tourism and the demand for holiday homes. Calculating the runoff threshold in these small basins is vital for understanding the impact generated by urban growth and its incidence...

  • Article
  • Open Access
4 Citations
2,573 Views
16 Pages

In the municipality of Enna, 80 HVSR measurements were performed, and some of these were combined with MASW seismic measurements, which made it possible to constrain the data inversion and obtain significant shear wave velocity models. A reconstructi...

  • Article
  • Open Access
5 Citations
3,103 Views
20 Pages

In this study, we use GIS and other analytical platforms to analyze the landslide distribution pattern in the July 2018 heavy rain disasters in the southern part of Hiroshima Prefecture in Japan in conjunction with chronological XRAIN (eXtended Radar...

  • Article
  • Open Access
7 Citations
3,880 Views
27 Pages

Urban tunnelling can be highly challenging, especially in areas where limited ground settlements and environmental disturbance is required. Mechanised tunnelling is usually preferred in such ground environments, specifically Slurry or EPBM (Earth Pre...

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Geosciences - ISSN 2076-3263