Cinzia Cesarano

Marche Polytechnic University

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Giuseppe Aulicino

Parthenope University of Naples

Yuri Cotroneo

Parthenope University of Naples

Giorgio Budillon

Parthenope University of Naples

Giannetta Fusco

Parthenope University of Naples

Estrella Olmedo

Institut de Ciències del Mar

Isabelle Ansorge

University of Cape Town

Estrella Olmedo Casal

Institut de Ciències del Mar

Maria Belmonte

Royal Netherlands Meteorological Institute

Marcel van den Berg

City of Cape Town

Simón Ruíz

Mediterranean Institute for Advanced Studies

Cooperative Institutions

Parthenope University of Naples

CoNISMa

Marche Polytechnic University

University of Melbourne

Institut de Ciències del Mar

Consejo Superior de Investigaciones Científicas

CINFAI

University of Naples Federico II

University of Cambridge

Royal Netherlands Meteorological Institute

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On the use of ABACUS high resolution glider observations for the assessment of phytoplankton ocean biomass from CMEMS model products

Ecological Modelling (2021)

Giuseppe Aulicino Cinzia Cesarano Mohamed Zerroukı Simón Ruíz Giorgio Budillon

10.1016/j.ecolmodel.2021.109619

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Citations (3)

Marine beach litter monitoring strategies along Mediterranean coasts. A methodological review

Marine Pollution Bulletin (2022)

Cinzia Cesarano Giuseppe Aulicino Carlo Cerrano Massimo Ponti Stefania Puce

Marine debris

Mediterranean Basin

Marine life

Marine ecosystem

Litter

10.1016/j.marpolbul.2022.114401

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Citations (20)

Sea surface salinity and temperature in the Southern Atlantic Ocean from South African icebreakers, 2010–2017

Giuseppe Aulicino Yuri Cotroneo Isabelle Ansorge Marcel van den Berg Cinzia Cesarano

Abstract. We present here sea surface salinity (SSS) and temperature (SST) data collected onboard the SA Agulhas-I and SA Agulhas-II research vessels, in the framework of the South African National Antarctic Programme (SANAP). Onboard SeaBird ThermoSalinoGraphs were regularly calibrated and continuously monitored in-between cruises, and no appreciable sensor drift emerged. Water samples were taken on a daily basis and later analysed with a Portasal salinometer; some CTD measurements collected along the cruises were used to validate the data. No systematic differences appeared after a rigorous quality control on continuous data. Results show that salinity measurement error was a few hundredths of a unit on the practical salinity scale. Quality control included several steps, among which an automatic detection of unreliable values through selected thresholds criteria and an attribution of quality flags based on multiple criteria, i.e. analysis of information included in the cruise reports, detection of insufficient flow and/or presence of air bubbles in the seawater pipe, visual inspection of individual campaigns, ex-post check of seaice maps for confirming icefields locations. This data processing led to discard about 36 % of acquired observations, while reliable data showed an excellent agreement with several independent SSS products. Nevertheless, a seaice flag has been included for indentifying valid data which could have been affected by scattered seaice contamination. In our opinion this dataset, available through an unrestricted repository at https://doi.org/10.7289/V56M3545, contributes to improve the knowledge of surface water features in one of the most important regions for global climate. That will be highly valuable for studies focusing on climate variability in the Atlantic sector of the Southern Ocean, especially across the Antarctic Circumpolar Current and its fronts. Furthermore, we expect that the collected SSS will represent a valuable tool for the calibration and validation of recent satellite observations provided by SMOS and Aquarius missions.

Temperature salinity diagrams

Visual inspection

10.5194/essd-2018-40

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Citations (2)

In Situ and Satellite Sea Surface Salinity in the Algerian Basin Observed through ABACUS Glider Measurements and BEC SMOS Regional Products

Remote Sensing (2019)

Giuseppe Aulicino Yuri Cotroneo Estrella Olmedo Cinzia Cesarano Giannetta Fusco

The Algerian Basin is a key area for the general circulation in the western Mediterranean Sea. The basin has an intense inflow/outflow regime with complex circulation patterns, involving both fresh Atlantic water and more saline Mediterranean water. Several studies have demonstrated the advantages of the combined use of autonomous underwater vehicles, such as gliders, with remotely sensed products (e.g., altimetry, MUR SST) to observe meso- and submesoscale structures and their properties. An important contribution could come from a new generation of enhanced satellite sea surface salinity (SSS) products, e.g., those provided by the Soil Moisture and Ocean Salinity (SMOS) mission. In this paper, we assess the advantages of using Barcelona Expert Center (BEC) SMOS SSS products, obtained through a combination of debiased non-Bayesian retrieval, DINEOF (data interpolating empirical orthogonal functions) and multifractal fusion with high resolution sea surface temperature (OSTIA SST) maps. Such an aim was reached by comparing SMOS Level-3 (L3) and Level-4 (L4) SSS products with in situ high resolution glider measurements collected in the framework of the Algerian Basin Circulation Unmanned Survey (ABACUS) observational program conducted in the Algerian Basin during falls 2014–2016. Results show that different levels of confidence between in situ and satellite measurements can be achieved according to the spatial scales of variability. Although SMOS values slightly underestimate in situ observations (mean difference is −0.14 (−0.11)), with a standard deviation of 0.25 (0.26) for L3 (L4) products), at basin scale, the enhanced SMOS products well represent the salinity patterns described by the ABACUS data.

10.3390/rs11111361

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Citations (17)

A New Approach for Monitoring the Terra Nova Bay Polynya through MODIS Ice Surface Temperature Imagery and Its Validation during 2010 and 2011 Winter Seasons

Remote Sensing (2018)

Giuseppe Aulicino Manuela Sansiviero Stephan Paul Cinzia Cesarano Giannetta Fusco

Polynyas are dynamic stretches of open water surrounded by ice. They typically occur in remote regions of the Arctic and Antarctic, thus remote sensing is essential for monitoring their dynamics. On regional scales, daily passive microwave radiometers provide useful information about their extent because of their independence from cloud coverage and daylight; nonetheless, their coarse resolution often does not allow an accurate discrimination between sea ice and open water. Despite its sensitivity to the presence of clouds, thermal infrared (TIR) Moderate Resolution Imaging Spectroradiometer (MODIS) provides higher-resolution information (typically 1 km) at large swath widths, several times per day, proving to be useful for the retrieval of the size of polynyas. In this study, we deal with Aqua satellite MODIS observations of a frequently occurring coastal polynya in the Terra Nova Bay (TNB), Ross Sea (Antarctica). The potential of a new methodology for estimating the variability of this polynya through MODIS TIR during the 2010 and 2011 freezing season (April to October) is presented and discussed. The polynya is observed in more than 1600 radiance scenes, after a preliminary filter evaluates and discards cloudy and fog-contaminated scenes. This reduces the useful MODIS swaths to about 50% of the available acquisitions, but a revisit time of less than 24 h is kept for about 90% of the study period. As expected, results show a high interannual variability with an opening/closing fluctuation clearly depending on the regime of the katabatic winds recorded by the automatic weather stations Rita and Eneide along the TNB coast. Retrievals are also validated through a comparison with a set of 196 co-located high-resolution ENVISAT ASAR images. Although our estimations slightly underestimate the ASAR derived extents, a good agreement is found, the linear correlation reaching 0.75 and the average relative error being about 6%. Finally, a sensitivity test on the applied thermal thresholds supports the effectiveness of our setting.

Moderate-resolution imaging spectroradiometer

Katabatic wind

10.3390/rs10030366

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Citations (51)

Mesoscale Sea Surface Salinity in the Algerian Basin observed through SMOS and ABACUS glider data

Giuseppe Aulicino Yuri Cotroneo Estrella Olmedo Maria Belmonte Cinzia Cesarano

Abacus (architecture)

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Remote sensing of sea surface salinity: A bibliometric analysis

Advances in Oceanography and Limnology (2022)

Flavia Zanon Cinzia Cesarano Yuri Cotroneo Giannetta Fusco Giorgio Budillon

In recent years, rapid advances in technologies have allowed significant positive changes within the field of satellite observations of the global ocean. This paper reviews the available global scientific literature that focuses on the study of salinity by remote sensing, tracking its evolution and trends by combining social network analysis and bibliometrics. Furthermore, the study shows the relationships and co-occurrences between authors, countries and keywords retrieved from the abstracts and citations database provided by Scopus. An analysis of 581 publications has been carried out. The achieved results, which highlight a worldwide increase in scientific interest in this field over the last decade, may constitute a useful tool for a global vision and for a potential improvement in the international efforts employed in the study of salinity from remote sensing.

Social Network Analysis

Trend analysis

Scientific literature

10.4081/aiol.2022.10862

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Citations (0)

Scientific knowledge on marine beach litter: A bibliometric analysis

Marine Pollution Bulletin (2021)

Cinzia Cesarano Giuseppe Aulicino Carlo Cerrano Massimo Ponti Stefania Puce

Litter

Marine debris

Marine ecosystem

10.1016/j.marpolbul.2021.113102

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Citations (20)

On the use of ABACUS high resolution glider observations for theassessment of phytoplankton ocean biomass from CMEMS model products

Giuseppe Aulicino Cinzia Cesarano Mohammed Zerrouki Simón Ruíz Giorgio Budillon

<p>Ocean biomass distribution has a growing importance in the world economy as a global strategic reserve, due to environmental and industrial applications and its variability related to climate change. Satellite imagery allows multi-resolution methodologies to obtain estimation, and hopefully classification, of biomass content over sea surface. This information is largely used in numerical simulations and nowadays represents an important contribute to future projections. Nevertheless, satellite, models and classical in situ monitoring resolution/accuracy sometimes cannot provide data at the finer spatial scales needed to describe the complex threedimensional water column system. On the other hand, glider surveys allow scientists to collect observations of ocean phenomena at very high resolution along the water column, to assess numerical simulations reliability and, eventually, to assimilate these data into ocean models. In this study, we present a quantitative comparison between the glider observations collected in the Algerian Basin (Western Mediterranean Sea) during the ABACUS surveys from 2014 to 2018, and the daily outputs of two co-located CMEMS model products (i.e., GLB and IBI).<br>The achieved results point out that model products are well correlated with glider potential temperature measurements but they still need improvements to provide a correct representation of the chlorophyll concentration variability in the study area. Generally, IBI daily simulations present higher linear correlation with concurrent glider in situ data than GLB ones. IBI products also reproduce better the pattern of the local maxima of chlorophyll concentration across the Algerian Basin. Nevertheless, they largely underestimate glider chlorophyll measurements and present significant differences that limit their capability to reproduce its upper ocean concentration that is needed for accomplishing advanced ecological studies.</p>

10.5194/egusphere-egu22-3942

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Citations (0)

Sea Surface Salinity in the Algerian Basin Observed Through SMOS and ABACUS Glider Data

Giuseppe Aulicino Yuri Cotroneo Estrella Olmedo Maria Belmonte Cinzia Cesarano

Abacus (architecture)

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