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Toward “good” eutrophication data for marine policies and research: a multi-level quality control framework in EMODnet Chemistry

The increasing demand for reliable marine data to support environmental policies such as the Marine Strategy Framework Directive (MSFD) in Europe requires harmonized, high-quality datasets that are findable, accessible, interoperable, and reusable (FAIR). This paper presents a multi-level quality control (QC) protocol applied within the European Marine Observation and Data Network (EMODnet) Chemistry initiative, focused on eutrophication parameters (nutrients, chlorophyll, and oxygen) across ...

Local Magnitude (ML) Calibration in the Short-Distance Range—The Case of the Collalto Seismic Network and Surrounding Stations in Northeastern Italy

We calibrate local magnitude equations for northeastern Italy, centered on the Collalto seismic network, using the International Association of Seismology and Physics of the Earth’s Interior (IASPEI) parametric formulation and a modified approach from Chovanová and Kristek (2018). Our goal is to develop an ML distance correction well constrained at short distances, adhering to the Richter definition. Using digital data from 2012 to 2023, we find initial parameters similar to those obtained by...

Earthquake-induced dolomite decarbonation in the Dinar Fault Zone, western Türkiye

This work reports a multiscale study of the Dinar fault zone, focusing on a normal fault, hosted in Triassic dolostone, that is part of the fault system responsible for the 1995 Dinar earthquake (Mw = 6.2). Mirror surfaces are associated with the seismogenic fault zone, suggesting a relationship with the processes occurring during earthquakes. The investigation of mirror surfaces, from the outcrop to the micro- and nanoscale (i.e., high-resolution TEM imaging and electron diffraction) provide...

Q estimation and generalization of the Battaglia–Aki method

SUMMARY: The intrinsic attenuation of a seismic wave is a key property of rocks. Knowledge of Q (quality factor), which measures the attenuation, provides information not only about the type of rock, but above all about the pore fluids. In addition, the attenuation is needed for inverse Q filtering and is useful for localizing seismic sources. The methods for determining Q are based on the amplitude and frequency content of the signal, for example, the spectral ratio and frequency shift metho...

Exploring climate change exposure of the Mediterranean Sea through 3D climate velocity

Climate change is increasingly challenging the durability of marine conservation and spatial planning approaches that rely on contemporary climate baselines. In response, the identification and protection of climate refugia – areas expected to remain relatively stable under climate change – has emerged as a key strategy for climate-smart conservation. However, in marine systems, refugia are commonly delineated using surface conditions alone, overlooking the vertical structure of the ocean. He...

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