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Geosciences, Volume 8, Issue 12

December 2018 - 71 articles

Cover Story: In March 2012, Tagoro, the most recently discovered shallow submarine volcano on the Canary Islands, Spain, became an active hydrothermal system involving a release of heat and gases that produce significant physical–chemical anomalies in the surrounding waters. Our results highlight that the hydrothermal system exhibited stationary cyclic degassing behavior with a strong peak of a 140-min period centered on a significant interval of 130–170 min at 99.9% confidence. Moreover, important physical–chemical anomalies are still present in the interior of the main crater, such as (i) a thermal increase of +2.55 °C, (ii) a salinity decrease of -1.02, (iii) a density decrease of -1.43 (kg∙m−3), and (iv) a pH decrease of -1.25 units. This confirms that, five years after its origin, the submarine volcano Tagoro is still actively in a degassing phase. View this paper
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Articles (71)

  • Article
  • Open Access
7 Citations
5,343 Views
19 Pages

14 December 2018

Snow depletion curves (SDC) are functions that are used to show the relationship between snow covered area and snow depth or water equivalent. Previous snow cover data assimilation (DA) studies have used theoretical SDC models as observation operator...

  • Article
  • Open Access
11 Citations
3,788 Views
17 Pages

Operative Monographies: Development of a New Tool for the Effective Management of Landslide Risks

  • Daniele Giordan,
  • Martina Cignetti,
  • Aleksandra Wrzesniak,
  • Paolo Allasia and
  • Davide Bertolo

14 December 2018

Active landslide risk assessment and management are primarily based on the availability of dedicated studies and monitoring activities. The establishment of decision support for the efficient management of active landslides threatening urban areas is...

  • Article
  • Open Access
13 Citations
5,213 Views
13 Pages

Interception of Rainfall in Successional Tropical Dry Forests in Brazil and Costa Rica

  • Julio César Calvo-Alvarado,
  • César Dionisio Jiménez-Rodríguez,
  • Ana Julieta Calvo-Obando,
  • Mário Marcos do Espírito-Santo and
  • Thiago Gonçalves-Silva

14 December 2018

Tropical dry forests (TDF) are endangered ecosystems characterized by a matrix of successional forest patches with structural differences across the Neotropics. Until now, there have been few studies that analyze the partitioning of rainfall by fores...

  • Article
  • Open Access
21 Citations
7,335 Views
14 Pages

14 December 2018

We performed interferometric synthetic aperture radar (InSAR) analyses to observe ground displacements and assess damage after the M 6.6 Hokkaido Eastern Iburi earthquake in northern Japan on 6 September 2018. A multitemporal SAR coherence map is ext...

  • Article
  • Open Access
5 Citations
4,257 Views
19 Pages

14 December 2018

Characterising spatial and temporal variations in coastal behaviour is essential for the management of beach systems. Recent studies have shown that beach response is more complex in coasts subjected to bimodal wave directions. Despite being pervasiv...

  • Review
  • Open Access
47 Citations
9,580 Views
22 Pages

Review of Snow Data Assimilation Methods for Hydrological, Land Surface, Meteorological and Climate Models: Results from a COST HarmoSnow Survey

  • Jürgen Helmert,
  • Aynur Şensoy Şorman,
  • Rodolfo Alvarado Montero,
  • Carlo De Michele,
  • Patricia De Rosnay,
  • Marie Dumont,
  • David Christian Finger,
  • Martin Lange,
  • Ghislain Picard and
  • Vera Potopová
  • + 3 authors

14 December 2018

The European Cooperation in Science and Technology (COST) Action ES1404 “HarmoSnow”, entitled, “A European network for a harmonized monitoring of snow for the benefit of climate change scenarios, hydrology and numerical weather pred...

  • Editorial
  • Open Access
19 Citations
4,707 Views
9 Pages

13 December 2018

The use of spatial analytical techniques for describing and classifying seafloor terrain has become increasingly widespread in recent years, facilitated by a combination of improved mapping technologies and computer power and the common use of Geogra...

  • Article
  • Open Access
11 Citations
5,325 Views
17 Pages

Microbiological Study of Yamal Lakes: A Key to Understanding the Evolution of Gas Emission Craters

  • Alexander Savvichev,
  • Marina Leibman,
  • Vitaly Kadnikov,
  • Anna Kallistova,
  • Nikolai Pimenov,
  • Nikolai Ravin,
  • Yury Dvornikov and
  • Artem Khomutov

13 December 2018

Although gas emission craters (GECs) are actively investigated, the question of which landforms result from GECs remains open. The evolution of GECs includes the filling of deep hollows with atmospheric precipitation and deposits from their retreatin...

  • Article
  • Open Access
18 Citations
7,283 Views
20 Pages

High Resolution Drone Surveying of the Pista Geoglyph in Palpa, Peru

  • Karel Pavelka,
  • Jaroslav Šedina and
  • Eva Matoušková

13 December 2018

Currently, satellite images can be used to document historical or archaeological sites in areas that are distant, dangerous, or expensive to visit, and they can be used instead of basic fieldwork in several cases. Nowadays, they have final resolution...

  • Article
  • Open Access
5 Citations
4,886 Views
20 Pages

Terraced Iron Formations: Biogeochemical Processes Contributing to Microbial Biomineralization and Microfossil Preservation

  • Jeremiah Shuster,
  • Maria Angelica Rea,
  • Barbara Etschmann,
  • Joël Brugger and
  • Frank Reith

13 December 2018

Terraced iron formations (TIFs) are laminated structures that cover square meter-size areas on the surface of weathered bench faces and tailings piles at the Mount Morgan mine, which is a non-operational open pit mine located in Queensland, Australia...

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Geosciences - ISSN 2076-3263