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Hindi Geoinformatics & Geostatistics: An OverviewISSN: 2327-4581
Marsellos AE Author
Subjects of specialization
Affiliation
Geology, Geography, Remote Sensing
Department of Geology, Environment, and Sustainability, Hofstra University, Hempstead, NY 12192, USA
Biography
Marsellos Assistant Professor in Geology, Hofstra University, New York, USA, Senior Lecturer in Geology, University of Brighton, United Kingdom ,Postdoctoral Researcher/Lecturer in Geology, University of Florida, U.S.A. His research interes are natural hazards using online monitoring techniques including floods, volcanic eruptions, and earthquakes. He have built a big data lab to investigate long and short term geostatistical signals with decomposition of time series from monitoring stations and from remote sensing datasets (LiDAR, InSAR), and geodetic (GNSS, GPS) approaches to evaluate or predict natural hazards.
Publications
Research Article Open Access
A Hybrid Model Using Time Series and Markov Chain for the Detection of the Main Periodicities on the Temperature Data in Nisyros Volcano, South Aegean
Author(s): Marsellos AE, Tsakiri KG, Kapetanakis S and Kyriakopoulos K
Nisyros volcano has shown a series of volcanic and seismo-tectonic events including recent volcanic phreatic eruptions intruding an impermeable layer near the surface. Geological and atmospheric phenomena contribute to the heat output from the hydrothermal system. To monitor the temperature fluctuations from a vent gas emission in Nisyros, a temperature sensor has been installed in a fumarole near the Lofos and Laki sites. Raw and decomposed temperature data were analyzed to determine the cycles of heat contribution at the surface from the endogenic volcanic activity and from the interaction with the atmospheric temperature. The time series decomposition using Kolmogorov-Zurbenko filter and the Markov chain approach have been utiliz... view more»
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