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Geosciences, Volume 9, Issue 8

August 2019 - 37 articles

Cover Story: Unmanned aerial vehicles (UAVs) are a rapidly evolving tool in geosciences and are increasingly deployed to study the dynamic processes of the earth’s surface. To assess the potential of low-cost UAVs for the monitoring of alpine glaciers, we conducted multiple aerial surveys on the Kanderfirn in the Swiss Alps and used novel open-source photogrammetry software for the generation of high-resolution orthophotos and digital surface models. The produced orthophotos and surface models document the rapid glacier surface changes over the melt season 2018 and highlight that self-developed fixed-wing UAVs in tandem with open-source software are an affordable alternative to commercial remote-sensing platforms and proprietary software. View this paper
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Articles (37)

  • Article
  • Open Access
5 Citations
3,485 Views
13 Pages

Ecosystem Services Assessment and Valuation of Atmospheric Magnesium Deposition

  • Garth R. Groshans,
  • Elena A. Mikhailova,
  • Christopher J. Post,
  • Mark A. Schlautman,
  • Michael P. Cope and
  • Lisha Zhang

Ecosystem services (ES) often rely on biogeochemical cycles, but values associated with abiotic services are often ignored or underestimated. Ecosystem services from atmospheric magnesium (Mg2+) deposition are abiotic flows (wet, dry, and total), whi...

  • Article
  • Open Access
16 Citations
6,038 Views
28 Pages

Frost Resilience of Stabilized Earth Building Materials

  • Alan W. Rempel and
  • Alexandra R. Rempel

Earth-based building materials are increasingly valued in green design for their low embodied energy, humidity-buffering ability, and thermal stability. These materials perform well in warm dry climates, but greater understanding of long-term durabil...

  • Article
  • Open Access
9 Citations
3,559 Views
13 Pages

A Quick-Look Method for Initial Evaluation of Gas Hydrate Stability below Subaqueous Permafrost

  • Umberta Tinivella,
  • Michela Giustiniani and
  • Héctor Marín-Moreno

Many studies demonstrated the coexistence of subaqueous permafrost and gas hydrate. Subaqueous permafrost could be a factor affecting the formation/dissociation of gas hydrate. Here, we propose a simple empirical approach that allows estimating the s...

  • Article
  • Open Access
25 Citations
5,859 Views
19 Pages

Psychological Processes and Personality Factors for an Appropriate Tsunami Evacuation

  • Motoaki Sugiura,
  • Shosuke Sato,
  • Rui Nouchi,
  • Akio Honda,
  • Ryo Ishibashi,
  • Tsuneyuki Abe,
  • Toshiaki Muramoto and
  • Fumihiko Imamura

Although various factors related to the environment (perception of earthquake and warning) and knowledge (oral history and scientific knowledge) affect individual differences in evacuation behavior before a tsunami, the roles of psychological process...

  • Article
  • Open Access
11 Citations
5,258 Views
26 Pages

Copper and its Isotopes in Organic-Rich Sediments: From the Modern Peru Margin to Archean Shales

  • Emily R. Ciscato,
  • Tomaso R. R. Bontognali,
  • Simon W. Poulton and
  • Derek Vance

The cycling of copper (Cu) and its isotopes in the modern ocean is controlled by the interplay of biology, redox settings, and organic complexation. To help build a robust understanding of Cu cycling in the modern ocean and investigate the potential...

  • Article
  • Open Access
5 Citations
3,727 Views
16 Pages

Acoustic and Microstructural Properties of Partially Molten Samples in the Ice–Ammonia System

  • Christine McCarthy,
  • Michael A. Nielson,
  • Allie N. Coonin,
  • Jessica Shea Minker and
  • Armando A. Domingos

We measured the ultrasonic properties and microstructure of two-phase binary mixtures of the ice–ammonia partial melt system, which was selected based on its importance for numerous planetary bodies. The equilibrium microstructure of ice–...

  • Article
  • Open Access
20 Citations
8,328 Views
25 Pages

The Temple of Athena is one of the main sacred areas of the Greek–Roman settlement of Poseidonia-Paestum (southern Italy). Several archaeological excavations were carried out here between the late nineteenth and early twentieth century. Unfortu...

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Geosciences - ISSN 2076-3263