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Geosciences, Volume 9, Issue 4

April 2019 - 46 articles

Cover Story: This paper uses dimensional data from over 700 tafoni in Antarctica to assess how tafoni size and shape change as tafoni length increases. Smaller tafoni have rounder planform, whilst as tafoni length increases the width/length ratio (W/L) rapidly converges to a ratio of 0.67. The initial rounded form can be explained through a recent mathematical model of pit formation that focuses on evolving the relationships between rock strength and the varying concentration of a corrosive agent. Above a certain tafoni length, tafoni development is dominated by brittle fracture that produce fragments of width:length ratios of 0.67. View this paper
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Articles (46)

  • Article
  • Open Access
59 Citations
6,522 Views
36 Pages

In response to the extensive damage of coastal bridges sustained in recent tsunamis, this paper describes an investigation into tsunami-induced effects on two common bridge types, an open-girder deck with cross-frames and one with solid diaphragms. T...

  • Article
  • Open Access
6 Citations
5,612 Views
29 Pages

We present a geochemical dataset acquired during continual sampling over 7 months (bi-weekly) and 4 weeks (every 8 h) in the Neuwied Basin, a part of the East Eifel Volcanic Field (EEVF, Germany). We used a combination of geochemical, geophysical, an...

  • Article
  • Open Access
21 Citations
6,980 Views
60 Pages

Character, Rates, and Environmental Significance of Holocene Dust Accumulation in Archaeological Hilltop Ruins in the Southern Levant

  • Bernhard Lucke,
  • Joel Roskin,
  • Kim André Vanselow,
  • Hendrik J. Bruins,
  • Nizar Abu-Jaber,
  • Katleen Deckers,
  • Susanne Lindauer,
  • Naomi Porat,
  • Paula J. Reimer and
  • Rupert Bäumler
  • + 2 authors

Loess accumulated in the Negev desert during the Pleistocene and primary and secondary loess remains cover large parts of the landscape. Holocene loess deposits are however absent. This could be due low accumulation rates, lack of preservation, and h...

  • Article
  • Open Access
9 Citations
4,740 Views
16 Pages

Hydropower Dam State and Its Foundation Soil Survey Using Industrial Seismic Oscillations

  • Galina Antonovskaya,
  • Natalia Kapustian,
  • Irina Basakina,
  • Nikita Afonin and
  • Konstantin Moshkunov

In this article, we suggest a new type of seismic source for surveying both structure state and foundation soil conditions regardless of the level of seismic noise. In our opinion, powerful industrial equipment can be treated as seismic sources. We d...

  • Article
  • Open Access
24 Citations
10,696 Views
18 Pages

Role of Salt Migration in Destabilization of Intra Permafrost Hydrates in the Arctic Shelf: Experimental Modeling

  • Evgeny Chuvilin,
  • Valentina Ekimova,
  • Boris Bukhanov,
  • Sergey Grebenkin,
  • Natalia Shakhova and
  • Igor Semiletov

Destabilization of intrapermafrost gas hydrate is one possible reason for methane emission on the Arctic shelf. The formation of these intrapermafrost gas hydrates could occur almost simultaneously with the permafrost sediments due to the occurrence...

  • Article
  • Open Access
10 Citations
4,280 Views
13 Pages

The design of countermeasure works to mitigate landslide risk needs to deal with the multiple unknowns that are linked with soil properties, distribution and rheology. Most of the time, the degree of definition of all these elements is low. Through l...

  • Article
  • Open Access
5 Citations
4,782 Views
12 Pages

Estimation of Vs Structure of Krueng Aceh and its Suburb Basin of Aceh Province, Indonesia, Derived from Microtremor Measurements

  • Asrillah Asrillah,
  • Marwan Marwan,
  • Umar Muksin,
  • Rusydy Ibnu,
  • Sasaki Takao,
  • Furumoto Yoshinori,
  • Minami Yuichiro and
  • Hikime Chisa

The Aceh and Seulimeum Faults flank the Krueng Aceh Basin in Indonesia, and the shear-wave velocity (Vs) structure of the basin is not extensively available. Understanding the Vs structure is very important in order to figure out how the basin struct...

  • Review
  • Open Access
7 Citations
5,580 Views
24 Pages

The present work reveals plant and animal associates of 16 families and subfamilies of fossil beetles that have been preserved in amber from Mexico, the Dominican Republic, and Myanmar. The associates include mites, pseudoscorpions, spiders, insect p...

  • Article
  • Open Access
12 Citations
5,194 Views
25 Pages

Seafloor backscatter data from multibeam echosounders are now widely used in seafloor characterization studies. Accurate and repeatable measurements are essential for advancing the success of these techniques. This paper explores the impact of uncert...

  • Review
  • Open Access
2 Citations
5,466 Views
16 Pages

The Top-Viewed Cryosphere Videos on YouTube: An Overview

  • Adam Emmer,
  • Vojtěch Cuřín,
  • Jan Daněk,
  • Helena Duchková and
  • Petr Krpec

Youtube.com has become one of the most popular places to share videos on the Internet, storing a large amount of audiovisual materials. People all over the world can upload their videos and watch videos of others. The research potential of this infor...

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Geosciences - ISSN 2076-3263