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Geosciences, Volume 8, Issue 4

April 2018 - 43 articles

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Cover Story: Geomorphic parameters, derived from seabed terrain models can be used to classify seabed types. Such terrain models are primarily acquired through the use of multibeam sonars. This paper examines the impact of the configuration of multibeam sonars on the resultant resolvable geomorphology. The sonar design and integration with associated sensors (position, orientation and sound speed) strongly affect the achievable resolution. As data analysts are increasingly distanced from the field acquisition, associated systematic artefacts in the data may be misinterpreted as actual seabed morphology. View this paper

Articles (43)

  • Article
  • Open Access
7 Citations
5,876 Views
22 Pages

After the M = 7.0 Haiti earthquake in 2010, many teams completed seismic risk studies in Port-au-Prince to better understand why this not extraordinarily strong event had induced one of the most severe earthquake disasters in history (at least in the...

  • Article
  • Open Access
5 Citations
4,413 Views
12 Pages

The work is aimed at the analysis of carbonate dynamics in soils under different land use. The studied area is located in the forest steppe - of the Central Russian Upland. Soils were sampled at four sites: a broadleaf forest, an adjacent 50-year con...

  • Article
  • Open Access
14 Citations
6,837 Views
18 Pages

Spectral Signature Characterization and Remote Mapping of Oman Exotic Limestones for Industrial Rock Resource Assessment

  • Sankaran Rajendran,
  • Sobhi Nasir,
  • Mohammed A. K. El-Ghali,
  • Khaled Alzebdah,
  • Ali Salim Al-Rajhi and
  • Mohammed Al-Battashi

This study demonstrates the capability of Advanced Spaceborne Thermal Emission and Reflection Radiometer (ASTER) sensor data to remotely map industrial carbonate rocks known as the ‘Oman exotics’ of the Sultanate of Oman. We measured refl...

  • Article
  • Open Access
31 Citations
5,345 Views
24 Pages

Although floods, as well as other natural disasters, can be considered as relevant causes of intra-generational inequalities, frequent catastrophes and the resulting damage to the territory can be seen as a consequence of a generalized indifference a...

  • Article
  • Open Access
50 Citations
5,400 Views
16 Pages

Proximal Monitoring of the 2011–2015 Etna Lava Fountains Using MSG-SEVIRI Data

  • Stefano Corradini,
  • Lorenzo Guerrieri,
  • Valerio Lombardo,
  • Luca Merucci,
  • Massimo Musacchio,
  • Michele Prestifilippo,
  • Simona Scollo,
  • Malvina Silvestri,
  • Gaetano Spata and
  • Dario Stelitano

From 2011 to 2015, 49 lava fountains occurred at Etna volcano. In this work, the measurements carried out from the Spinning Enhanced Visible and InfraRed Imager (SEVIRI) instrument, on board the Meteosat Second Generation (MSG) geostationary satellit...

  • Article
  • Open Access
1 Citations
8,439 Views
15 Pages

A Javascript GIS Platform Based on Invocable Geospatial Web Services

  • Konstantinos Evangelidis and
  • Theofilos Papadopoulos

Semantic Web technologies are being increasingly adopted by the geospatial community during last decade through the utilization of open standards for expressing and serving geospatial data. This was also dramatically assisted by the ever-increasing a...

  • Article
  • Open Access
17 Citations
4,981 Views
15 Pages

In this study, Gaussian/normal distributions (N) and mixtures of two normal (N2), three normal (N3), four normal (N4), or five normal (N5) distributions were applied to data with extreme values for precipitation for 35 weather stations in Bangladesh....

  • Article
  • Open Access
25 Citations
5,595 Views
17 Pages

Modelling Ephemeral Gully Erosion from Unpaved Urban Roads: Equifinality and Implications for Scenario Analysis

  • Napoleon Gudino-Elizondo,
  • Trent W. Biggs,
  • Ronald L. Bingner,
  • Yongping Yuan,
  • Eddy J. Langendoen,
  • Kristine T. Taniguchi,
  • Thomas Kretzschmar,
  • Encarnacion V. Taguas and
  • Douglas Liden

Modelling gully erosion in urban areas is challenging due to difficulties with equifinality and parameter identification, which complicates quantification 0of management impacts on runoff and sediment production. We calibrated a model (AnnAGNPS) of a...

  • Article
  • Open Access
26 Citations
5,979 Views
25 Pages

In the wake of increased drought occurrences being witnessed in Sub-Saharan Africa, more localized and contextualized drought mitigation strategies are on the agendas of many researchers and policy makers in the region. The integration of indigenous...

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