The ODAS Italia 1 buoy: More than forty years of activity in the Ligurian Sea

Canepa, Elisa; Pensieri, Sara; Bozzano, Roberto; Faimali, Marco; Traverso, P.; Cavaleri, Luigi

doi:10.1016/j.pocean.2015.04.005

Cited by 29 publications

(18 citation statements)

References 73 publications

(76 reference statements)

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“…Data were grouped on a yearly basis and each annual time series was separately processed and analyzed (Table 1). In order to evidence possible generation mechanisms of the identified tsunami-like episodes, the meteorological data acquired from the W1M3A observatory [37] were also used.…”

Section: The Available Data-setmentioning

confidence: 99%

Detection and Characterization of Meteotsunamis in the Gulf of Genoa

Picco¹,

Schiano

Incardone³

et al. 2019

JMSE

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A long-term time series of high-frequency sampled sea-level data collected in the port of Genoa were analyzed to detect the occurrence of meteotsunami events and to characterize them. Time-frequency analysis showed well-developed energy peaks on a 26–30 minute band, which are an almost permanent feature in the analyzed signal. The amplitude of these waves is generally few centimeters but, in some cases, they can reach values comparable or even greater than the local tidal elevation. In the perspective of sea-level rise, their assessment can be relevant for sound coastal work planning and port management. Events having the highest energy were selected for detailed analysis and the main features were identified and characterized by means of wavelet transform. The most important one occurred on 14 October 2016, when the oscillations, generated by an abrupt jump in the atmospheric pressure, achieved a maximum wave height of 50 cm and lasted for about three hours.

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Section: The Available Data-setmentioning

confidence: 99%

Detection and Characterization of Meteotsunamis in the Gulf of Genoa

Picco¹,

Schiano

Incardone³

et al. 2019

JMSE

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“…The measurements were carried out onboard the W1M3A observatory, moored at the centre of the Ligurian basin (Figure 1), on a deep sea bed of 1200 m and 80 km far from the coast. It is comprised of a spar buoy specifically developed for air-sea interaction studies and a close-by subsurface mooring [16]. The position of the observatory, without any shield for winds and waves, is very suitable for detecting early signs of incoming low-pressure systems over the region.…”

Section: Datasetmentioning

confidence: 99%

Analysis of the Precipitation Regime over the Ligurian Sea

Pensieri

Schiano

Picco³

et al. 2018

Water

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The regions surrounding the North West Mediterranean Sea are often sites of intense precipitation events, particularly during the autumn months. The many casualties and the high economic costs due to these events demand a continuous improvement in forecasting models in support of early warning systems. The main weather conditions that determine episodes of heavy rain over these regions are known, but the high number of processes and interactions taking place at different time and space scales makes it extremely difficult to increase the skill pertaining to their predictability. To deepen the knowledge of the phenomena, both numerical simulations and analysis of historical data sets are required. This paper presents the analysis of a five-year-long time series of rain data collected in the open Ligurian Sea from the fixed platform W1M3A and coastal stations. The analysis aims to characterize the main features of the precipitation over this area and its seasonal and annual variability. Furthermore, the work includes a description of the main atmospheric and oceanic surface parameters measured from the platform during some intense events that occurred in the period 2009-2013 and suggests to what extent offshore observations may contribute to improve the forecast of rainfall events.

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“…In Italy, the most important installations were the platform "Acqua Alta" in Venice Lagoon and the ODAS 1 buoy, offshore the Tuscany-Ligurian coast; at that time, both the monitoring stations were more devoted to the study of meteo-marine phenomena than to water composition and quality [5].…”

Section: Some Historymentioning

confidence: 99%

Devices for Environmental Observations

Zappalà

Caruso²,

Piermattei

et al. 2019

Computational Methods and Experimental Measurements XIX

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This paper describes some systems, designed and built by CNR in Messina and by Viterbo Tuscia University in its Civitavecchia laboratory, that fill the gap between traditional offshore oceanography and modern operational oceanography. The evolution of the main parts of such devices is analysed together with the pros and cons of design choices, not excluding the economic point of view that, together with instrument precision and reliability, is one of the main design constraints. Technological and scientific advancements were obtained in the state of the art, offering scientists new low cost instruments to perform research both in coastal and in harsh environment areas, exploiting the progress both in elaboration and in transmission electronic devices. The systems were designed to operate from fixed and mobile platforms, like Ships of Opportunity (SOOP) or towed vehicles. To this aim, CNR Messina set up a device able to automatically release up to eight expendable probes. Ruggedized versions of systems were built to be installed on small towed vehicles in harsh environments (Arctica). Sites at the sea-ice interface where blocks fall from glaciers due to ice melting, make it too difficult and dangerous to operate by traditional ships. During the June 2017 Svalbard campaign, a new generation water sampler, able to fill eight 500 ml bottles, was tested on field and showed a good operational performance. Various measuring instruments can be connected to the data acquisition and transmission system according to the research needs. They include multiparametric probes, expendable probes launched from SOOPs, water samplers for subsequent laboratory analysis, and any kind of device having a standard interface or providing a voltage-current signal. The land-based data assimilation can integrate the acquired in-situ data with satellite observation and the output of mathematical models.

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The ODAS Italia 1 buoy: More than forty years of activity in the Ligurian Sea

Cited by 29 publications

References 73 publications

Detection and Characterization of Meteotsunamis in the Gulf of Genoa

Detection and Characterization of Meteotsunamis in the Gulf of Genoa

Analysis of the Precipitation Regime over the Ligurian Sea

Devices for Environmental Observations

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