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Geosciences, Volume 8, Issue 5

May 2018 - 43 articles

Cover Story: Putative oceans and mud volcanism on Mars, particularly in the northern plains, have been topics of debate for at least the past 30 years. This paper focuses on densely distributed mounds in the southern Acidalia Planitia, and investigated their topographic data by generating high-resolution digital elevation models. The results, and their estimated physical properties and source depths of mound-forming materials, are consistent with mud or igneous volcanism in either a subaqueous or subaerial setting, which may have harbored habitable environments on Mars. View this paper
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Articles (43)

  • Article
  • Open Access
18 Citations
16,856 Views
21 Pages

Bathymetry and Canyons of the Eastern Bering Sea Slope

  • Mark Zimmermann and
  • Megan M. Prescott

We created a new, 100 m horizontal resolution bathymetry raster and used it to define 29 canyons of the eastern Bering Sea (EBS) slope area off of Alaska, USA. To create this bathymetry surface we proofed, edited, and digitized 18 million soundings f...

  • Article
  • Open Access
1 Citations
4,113 Views
17 Pages

Selected Metal Content and Binding Behaviour in Riverbed Sediments of the Kavala–Philippi Area (Northern Greece)

  • Katerina Giouri,
  • Vasilios Melfos,
  • Lamprini Papadopoulou,
  • Michael Vavelidis and
  • Dimitrios Alifragkis

The broader Philippi area (NE Macedonia, Northern Greece), which was chosen for the present study, is characterized by the presence of various metals. An approach to the correlation of selected parameters (grain-size distribution, Al2O3, CaO, Fe2O3,...

  • Article
  • Open Access
8 Citations
3,755 Views
15 Pages

In the framework of CO2 geological storage, one of the critical points leading to possible important CO2 leakage is the behaviour of the different interfaces between the rocks and the injection wells. This paper discussed the results from an experime...

  • Article
  • Open Access
25 Citations
13,565 Views
23 Pages

Fatalities Caused by Hydrometeorological Disasters in Texas

  • Srikanto H. Paul,
  • Hatim O. Sharif and
  • Abigail M. Crawford

Texas ranks first in the U.S in number of fatalities due to natural disasters. Based on data culled from the National Oceanic and Atmospheric Administration (NOAA) from 1959 to 2016, the number of hydrometeorological fatalities in Texas have increase...

  • Article
  • Open Access
13 Citations
8,838 Views
14 Pages

Lava has complex geochemical characteristics based on differences in eruption centers, eruptive events, and flow emplacement. Characterization of lava is useful for understanding the geological conditions of a volcanic region. To complement geochemic...

  • Article
  • Open Access
20 Citations
8,263 Views
22 Pages

HF/VHF Radar Sounding of Ice from Manned and Unmanned Airborne Platforms

  • Emily Arnold,
  • Fernando Rodriguez-Morales,
  • John Paden,
  • Carl Leuschen,
  • Shawn Keshmiri,
  • Stephen Yan,
  • Mark Ewing,
  • Rick Hale,
  • Ali Mahmood and
  • Aaron Blevins
  • + 4 authors

Ice thickness and bed topography of fast-flowing outlet glaciers are large sources of uncertainty for the current ice sheet models used to predict future contributions to sea-level rise. Due to a lack of coverage and difficulty in sounding and imagin...

  • Article
  • Open Access
12 Citations
10,642 Views
15 Pages

The historic view of metadata as “data about data” is expanding to include data about other items that must be created, used, and understood throughout the data and project life cycles. In this context, metadata might better be defined as the structu...

  • Article
  • Open Access
4 Citations
4,929 Views
12 Pages

A method is described for the prediction of site-specific surface ground motion due to induced earthquakes occurring in predictable and well-defined source zones. The method is based on empirical Green’s functions (EGFs), determined using micro-earth...

  • Article
  • Open Access
16 Citations
5,199 Views
14 Pages

From Deterministic to Probabilistic Forecasts: The ‘Shift-Target’ Approach in the Milan Urban Area (Northern Italy)

  • Gabriele Lombardi,
  • Alessandro Ceppi,
  • Giovanni Ravazzani,
  • Silvio Davolio and
  • Marco Mancini

The number of natural catastrophes that affect people worldwide is increasing; among these, the hydro-meteorological events represent the worst scenario due to the thousands of deaths and huge damages to private and state ownership they can cause. To...

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Geosciences - ISSN 2076-3263