Search results for: Giuliana Rossi

Items from 1 to 13 out of 13 results

article

Sediment properties in submarine mass-transport deposits using seismic and rock-physics off NW Barents Sea

Gianni Madrussani, Giuliana Rossi, Michele Rebesco, Stefano Picotti, more

Marine Geology > 2018 > 402 > C > 264-278

Submarine mass movements may have profound effects on the morphology and stratigraphic architecture of continental margins. Furthermore, they can represent a threat to human life and infrastructures, and also have implications for hydrocarbon exploration/production. In polar regions, they are one of the predominant sedimentary processes on the continental slope. Exploration seismology has been widely...

article

A study on off-fault aftershock pattern at N-Adria microplate

Gianni Bressan, Carla Barnaba, Andrea Magrin, Giuliana Rossi

Journal of Seismology > 2018 > 22 > 4 > 863-881

The spatial features of the aftershock sequences triggered by three moderate magnitude events with coda-duration magnitudes 4.1, 5.1 and 5.6, which occurred in Northeastern Italy and Western Slovenia, were investigated. The fractal dimension and the orientations of the planar features fitting the hypocentral data have been inferred. The spatial organization is articulated through two temporal phases...

article

Overpressure and Fluid Diffusion Causing Non-hydrological Transient GNSS Displacements

Giuliana Rossi, Paolo Fabris, David Zuliani

Pure and Applied Geophysics > 2018 > 175 > 5 > 1869-1888

In this work, global navigation satellite system (GNSS) observations from the northern tip of the Adria microplate are analysed to differentiate non-periodic (transient) tectonic signals from other deviations from the linear trends primarily due to hydrological loading effects. We tested a recently proposed hypothesis that a porosity wave generated by fault-valve mechanisms in a seismogenic fault...

article

Corrigendum to “Long-term GNSS measurements from the northern Adria microplate reveal fault-induced fluid mobilization”

Giuliana Rossi, David Zuliani, Paolo Fabris

Tectonophysics > 2017 > 694 > C > 486-487

article

Nfix Induces a Switch in Sox6 Transcriptional Activity to Regulate MyHC-I Expression in Fetal Muscle

Valentina Taglietti, Giovanni Maroli, Solei Cermenati, Stefania Monteverde, more

Cell Reports > 2016 > 17 > 9 > 2354-2366

Sox6 belongs to the Sox gene family and plays a pivotal role in fiber type differentiation, suppressing transcription of slow-fiber-specific genes during fetal development. Here, we show that Sox6 plays opposite roles in MyHC-I regulation, acting as a positive and negative regulator of MyHC-I expression during embryonic and fetal myogenesis, respectively. During embryonic myogenesis, Sox6 positively...

article

Long-term GNSS measurements from the northern Adria microplate reveal fault-induced fluid mobilization

Giuliana Rossi, David Zuliani, Paolo Fabris

Tectonophysics > 2016 > 690 > Part A > 142-159

Due to the development of denser permanent Global Navigation Satellite System (GNSS) networks over the last decade, the observation of transient deformations has significantly increased, mainly in high strain-rate zones. We analyzed the data from a group of permanent GNSS sites on the N-Adria microplate, where anomalous southward tilting and low-frequency tremors preceded the 1976 M_w=6.4 earthquake...

article

Nfix Regulates Temporal Progression of Muscle Regeneration through Modulation of Myostatin Expression

Giuliana Rossi, Stefania Antonini, Chiara Bonfanti, Stefania Monteverde, more

Cell Reports > 2016 > 14 > 9 > 2238-2249

Nfix belongs to a family of four highly conserved proteins that act as transcriptional activators and/or repressors of cellular and viral genes. We previously showed a pivotal role for Nfix in regulating the transcriptional switch from embryonic to fetal myogenesis. Here, we show that Nfix directly represses the Myostatin promoter, thus controlling the proper timing of satellite cell differentiation...

article

Comparative myogenesis in teleosts and mammals

Giuliana Rossi, Graziella Messina

Cellular and Molecular Life Sciences > 2014 > 71 > 16 > 3081-3099

Skeletal myogenesis has been and is currently under extensive study in both mammals and teleosts, with the latter providing a good model for skeletal myogenesis because of their flexible and conserved genome. Parallel investigations of muscle studies using both these models have strongly accelerated the advances in the field. However, when transferring the knowledge from one model to the other, it...

article

Tomographic inversion of ocean bottom seismograph (OBS) data: Problems and solutions applied to the NW Svalbard Hydratech data set

Giuliana Rossi, Gualtiero Böhm, Gianni Madrussani

Computers and Geosciences > 2011 > 37 > 10 > 1535-1544

The paper is aimed at discussing some problems that may arise in the tomographic inversion of data acquired with particular geometries, as vertical seismic profiles (VSP) or implying the use of Ocean Bottom Seismographs (OBS), and presenting the solutions used to solve them. One problem is due to the limited number of sensors (that may be even a single one) and of their sparseness. This affects the...

article

Gas hydrates, free gas distribution and fault pattern on the west Svalbard continental margin

Gianni Madrussani, Giuliana Rossi, Angelo Camerlenghi

Geophysical Journal International > 180 > 2 > 666 - 684

A 3‐D tomographic analysis of seismic velocity and attenuation fields is presented with the purpose to analyse the intimate relation of gas hydrates and free gas distribution with the fault pattern. The 3‐D, four‐component seismic data have been acquired offshore western Svalbard. The analysis of the subbottom topography of the base of the stability field of gas hydrates (indicated by the bottom simulating...

article

Physics and Seismic Modeling for Monitoring CO₂ Storage

José M. Carcione, Stefano Picotti, Davide Gei, Giuliana Rossi

Pure and Applied Geophysics > 2006 > 163 > 1 > 175-207

We present a new petro-elastical and numerical-simulation methodology to compute synthetic seismograms for reservoirs subject to CO₂ sequestration. The petro-elastical equations model the seismic properties of reservoir rocks saturated with CO₂, methane, oil and brine. The gas properties are obtained from the van der Waals equation and we take into account the absorption of gas by oil and brine, as...

article

Geofluid evidence from analysis of deep crustal seismic data (Southern Tuscany, Italy)

Flavio Accaino, Umberta Tinivella, Giuliana Rossi, Rinaldo Nicolich

Journal of Volcanology and Geothermal Research > 2005 > 148 > 1-2 > 46-59

Southern Tuscany is characterized by an extensional tectonic regime, crustal thinning, magmatic intrusions, testifying the presence of fluids at elevated temperature and important geothermal fields. The area was investigated by applying integrated methodologies to deep crustal reflection seismic data: tomographic velocity analysis, amplitude versus offset inversion and theoretical approaches to model...

article

Long-term crustal deformations in NE Italy revealed by tilt-strain gauges

Giuliana Rossi, Maria Zadro

Physics of the Earth and Planetary Interiors > 1996 > 97 > 1-4 > 55-70

Tilt and strain gauge records are analysed to determine the long-term variations in space and time of the strain field in the Friuli area (NE Italy), located at the eastern boundary of the Adria plate. For such long-term variations a deep crustal origin is supposed. Spectral and cross-correlation analyses show that the strain energy involving a large area is polarized in two main directions, N20W...

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