AndreaBozzo/ceres-open-data-index huggingface dataset:
CTDO Sections at the Udintsev Fracture Zone

As part of the ongoing PHANTOM (Poleward Heat Transport across the ACC) program of LOCEAN/Sorbonne University, we have recently occupied two full-depth Conductivity-Temperature-Depth (CTD) sections in the Udintsev Fracture Zone region during a current-meter mooring deploying cruise in February 2016 and a mooring recovery cruise in December 2017 on board the Korean icebreaker Araon, in collaboration with physical teams of Korea Polar Research Institute (KOPRI) and Korea Institute of Ocean Science and Technology (KIOST). Several hydrographic sections have been made in the upstream and downstream areas of the UFZ especially during the 1990s World Ocean Circulation Experiment (WOCE) period, such as WOCE P16 at 150°W and WOCE P17 at 135°W. However, no high-quality top-to-bottom hydrography has ever been performed in the UFZ itself at 144°W, despite its narrowest circumpolar choke point. Ref: Park et al. (2019), Observations of the Antarctic Circumpolar Current over the Udintsev Fracture Zone, the narrowest choke point in the Southern Ocean, JGR, in review.
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CTD profiles in western Sardinia (2000 - 2004), western Mediterranean

Hydrological data have been collected during 7 oceanographic cruises, named medgoos, organized in the Sardinia Sea and in the Sardinia Channel between May 2000 and January 2004 (table 1) by the Italian Consiglio Nazionale delle Ricerche (CNR). Tab.1 Image Reference: https://www.seanoe.org/data/00487/59867/illustrations/illustration-66.gif. The 61,30 meters long R/V Urania of CNR was used during all cruises. Data of conductivity, temperature, dissolved oxygen (DO) and Chlorophyll-a fluorescence (Chl-a) were acquired by a SBE911 plus CTD probe (Sea-Bird Inc.) equipped with a 24 Niskin bottle rosette for water column samples collection. The CTD data were quality checked and processed by Seasoft software. Then salinity was checked against the on-board analyses of water samples by a Guildline-Autosal salinometer. The same for DO data checked against Winkler titration analyses. Chl-a data were not calibrated, so they are reported as Relative Fluorescence Units. During cruises from medgoos4 to medgoos7 acquired temperature data were checked at defined depths against inverted thermometers installed in correspondence of the Niskin bottles number 1, 3, 5, 7 of the rosette sampler. Pre-cruise and post-cruise calibrations of the sensors were performed at the SACLANT Center (now NATO-CMRE) of La Spezia (Italy). Redundant sensors were often used for both temperature and salinity measurements, apart during the medgoos1 and medgoos2 cruises. The vessel was positioned using an integrated navigation system consisting of two DGPS antennas managed by Andrews Hydrographics software installed on HP 386, 33 MHz PCs. The data set is provided per cruise as ODV Spreadsheet files in TXT format: Cruise name Station number Type of acquisition (here C) Date in mon/day/yr and Time in hh:mm Coordinates in Longitude [degrees_east] and Latitude [degrees_north] Bot. Depth [m] Ship name Pressure, Digiquartz [db] Conductivity [mS/cm] Fluorescence, Seatech Temperature [deg C]; IPTS-68 in medgoos1; ITS-68 in medgoos2, 6; ITS-90 in medgoos3, 4, 5, 7 Oxygen, Beckman/YSI , WS = 3 [ml/l] Depth [salt water, m] Practical Salinity from Conductivity [PSS-78]
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Altimetry-drived Antarctic Circumpolar Current fronts

An up-to-date map of the Antarctic Circumpolar Current (ACC) fronts is constructed from the latest version of mean dynamic topography from satellite altimetry (Park et al., 2019, Observations of the Antarctic Circumpolar Current over the Udintsev Fracture Zone, the narrowest choke point in the Southern Ocean, JGR-Oceans, in review). These are derived from the 1/8°-resolution Mean Dynamic Topography (MDT) of Centre National d’Etudes Spatiales-Collect Localisation Satellites 2018 (CNES-CLS18) for the 1993-2012 reference period [(Rio)-[https://motu.aviso.altimetry.fr/motu-web/Motu] et al., The new CNES-CLS18 Mean Dynamic Topography solution, in preparation]. The narrowest ACC width in the Udintsev Fracture Zone (UFZ), with the strongest concentration of the three major ACC fronts within a limited distance as short as 170 km, about 40% narrower than that at Drake Passage. At 144°W, at the entrance of the UFZ, which lies between the Pacific-Antarctic Ridge (PAR) and its eastwardly-offset segment (offset PAR segment), there is a triple confluence of the Subantarctic Front (SAF), Polar Front (PF), and Southern ACC Front. Downstream of this longitude, the SAF progressively meanders northward over the relatively shallow offset PAR segment before channeling through the Eltanin Fracture Zone, thus diverging from the PF which proceeds through the UFZ.
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Seafloor acoustic ranging data across the North-Anatolian Fault, Marmara Sea, Turkey

In October 2014, a ranging network of 10 acoustic transponders was installed across an active segment of the North-Anatolian Fault, in the Marmara Sea at a depth of about 800 m, for up to 5 years (Figure 1).  This active fault segment is lacking any major seismic activity since the 18th century.  The purpose of this acoustic ranging experiment was to determine whether this fault is continuously and aseismically creeping (i.e. slipping) or is locked and thus accumulating stress that could cause a large magnitude earthquake, few ten kilometers away from Istanbul. The acoustic network comprised 4 transponders from the University of Brest, France, and 6 transponders from the Geomar Institute, Germany. The data available through this web site corresponds to the data collected by the 4 French stations only. They include sets of acoustic ranging between pairs of stations (i.e. two-way-travel times), in addition to sound-speed, temperature and pressure measurements at each station. The sampling rate varies with the data type, but is generally hourly (one or several samples every hour). These are the raw, unprocessed data. For instance, distances must be inferred from the two-way-travel times and sound-speeds. The experiment lasted until January 2018. Data collection: In April 2015, the first set of acoustic ranging data, spanning a period of 6 months, was downloaded from the seafloor transponders using a modem from the sea surface ((cruise POS484)-[http://dx.doi.org/10.3289/CR_POS_484/1]). In April 2016, a second set of acoustic ranging data, spanning one more year, was downloaded from the seafloor transponders, but only 3 of the transponders responded ((cruise POS497)-[http://dx.doi.org/10.3289/CR_POS_497]). In May 2017, a third set of acoustic ranging data was downloaded from the seafloor transponders, but only 3 of the transponders responded (cruise YUNUS17). In January 2018, a last set was downloaded, but only 3 of the transponders responded (cruise YUNUS17). Since the batteries were almost exhausted, two of the French transponders were retrieved from the seafloor (2002 and 2003, for which all the data had already been downloaded from the surface). The last two will be recovered in 2020 (2001 and 2004). More information about the acoustic network can be found in the paper by (Sakic et al.)-[https://doi.org/10.1002/2016GL069600] (2016; see reference below).
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CARIOCA observations - SO-CHIC Cruise 2022

This dataset contains the CARIOCA (Carbon Interface Ocean Atmosphere) buoy hourly measurements which was deployed at 00° 02.081 W, 53° 59.688 S, on the 23 January 2022, during the SO-CHIC (Southern Ocean Carbon and Heat Impact on Climate) cruise (December 2021/January 2022, S.A. Agulhas II). The buoy acquired 17 months of data and stopped functioning on the 24 June 2023. The drifting buoy monitored surface hourly fCO2 (fugacity of CO2), dissolved oxygen (O2), salinity (S), temperature (T), fluorescence, wind speed and atmospheric pressure. The cruise report is available at : https://doi.org/10.5281/zenodo.6948850
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ISOMED - A Stable ISOtope database of MEDiterranean marine food web components

The ISOMED (A Stable ISOtope database of MEDiterranean marine food web components) database gathers published and unpublished data of d13C and d15N values and elemental contents (C and N) of basal sources (i.e., organic matter) and consumers collected in the Mediterranean Sea. Published data refers to scientific peer-reviewed papers selected in the literature through a systematic search. In contrast, unpublished data correspond to the raw d13C and d15N data underpinning mean values provided by the authors of the present paper. Data from open-access repositories was not included, as they are already easily accessible. The dataset consists of 4959 georeferenced records spread all around the Mediterranean Sea, spanning 35 years (1983-2018). ISOMED database consists of a unique tool that could help researchers investigate trophic interactions and energy flows in the marine food web of the Mediterranean Sea.
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CO2 Seaglider trajectory file from Gulf of Alaska 2022

Several sea trials with the newly developed CO2 Seaglider in the Gulf of Alaska and data evaluation with discrete water and underway samples suggest near ‘weather quality’ CO2 data as defined by the Global Ocean Acidification Network. This data set describes one such data set from the CO2 Seaglider, in May of 2022. Please see publication by the same authors at https://doi.org/10.5194/egusphere-2024-1055.
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CO2 Seaglider trajectory file from Gulf of Alaska 2023

Several sea trials with the newly developed CO2 Seaglider in the Gulf of Alaska and data evaluation with discrete water and underway samples suggest near ‘weather quality’ CO2 data as defined by the Global Ocean Acidification Network. This data set describes one such data set from the CO2 Seaglider, in February of 2023. Please see publication by the same authors at https://doi.org/10.5194/egusphere-2024-1055.
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Temperature time series from permanent mooring at Cabrera National Park - Sa Foradada (Western Mediterranean Sea)

The Spanish Institute of Oceanography (IEO-CSIC) maintains a mooring to record temperature data along the coastal area of the Cabrera Archipelago Maritime-Terrestrial National Park (Balearic Islands, Western Mediterranean) at different depths. This timeseries was initiated in 2009 funded by the Autonomous Agency for National Parks (OAPN), associated with the project (EPIMHAR). The mooring is currently maintained by the institution under the Marine Strategy Framework Directive funds. The collected data provides high-resolution temporal data on seasonal temperatures, stratification dynamics and detection of extreme events. The data also contributes to the T-MED-NET network (http://www.t-mednet.org) for the monitoring of climate change effects in marine coastal ecosystems of the Mediterranean Sea, such as mortality events related to heatwaves or distribution of endemic and non-native species.  Assessing the effects of climate change on coastal ecosystems requires long-term monitoring of essential climate-related variables, including the oceanographic thermal regime. The temperature mooring system is located in Sa Foradada (39º12.37'N, 002º58.72'E) and, it uses in situ temperature sensors (HOBOS Pro v2) that record hourly data at 10, 20, 25, 30, 40 meters depth. Sensors are setup and recovered by scuba divers twice a year, generally in spring and autumn. The current length of the historical series has allowed for careful quality control to correct potential sensor failures and drifts, as well as the systematic assignment of quality flags that add value to the timeseries. Additionally, the adoption of standard formats and vocabularies recognized at the European and international level facilitates the reuse of these data in different contexts. Data are provided in SDN-Medar/Medatlas format monthly files. 
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ReZoEnv : One-year bio-physical survey of Zostera noltei meadows in Arcachon Bay

The ReZoEnv field campaign was conducted at 9 sites distributed within contrasted seagrass (Zostera notlei) meadows in the Arcachon Bay. This multi-parameter survey was conducted during one year (November 2015 – November 2016). Water levels, temperature and light were recorded every 10 minutes. While bed sediment characteristics (granulometry, water content, organic matter content), seagrass characteristics (coverage, biometry, chlorophyll and CNP content) were measured monthly. Additionally, wind-wave parameters were obtained from high frequency pressure sensor at 4 sites, every 20 minutes. List of sites : ANDE : 44.745091 N, 1.121366 O FONT : 44.722631 N, 1.080133 O GAIL : 44.662573 N, 1.099575 O GARR : 44.705132 N, 1.121562 O HAUT : 44.729331 N, 1.15608 O ILE : 44.683117 N, 1.162716 O JACQ : 44.724563 N, 1.181109 O PASS : 44.689927 N, 1.089491 O ROCH : 44.648529 N, 1.127736 O
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Zoobenthos of the Chaun Bay 2020

The dataset represents data primary processing of zoobenthos samples taken in the Chaun Bay of the East Siberian Sea in October 2020 during an expedition onboard R/V "Akademik Oparin"
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CGFS Catch Data : Data from the Eastern English Channel Ground Fish Survey

The CGFS campaign is part of a historical series of fishing surveys that began in 1988 (CGFS Eastern part, conducted on the R/V Gwen Drez) and was extended to cover the entire English Channel regularly from 2018 (on R/V Thalassa). OInly data for the Eastern Channel is presented. For data from the Western Channel please see "WCGFS". For both surveys, the main objective is to collect basic data for estimating the state of resources through direct assessment of stock abundance and distribution, along with biological sampling of the catches. Taking place every year between mid-September and mid-October, it contributes to the European project for the contractualization of basic fishery data collection (DCF). The campaign also allows for sampling and a better understanding of the entire ecosystem, aligning with the implementation of an ecosystem-based approach to fisheries at the community level. The CGFS also provides data for numerous national and international research projects. The collected and validated data are transmitted at the end of each campaign to national databases (SIH, Harmonie, Coriolis) and the European database (DATRAS), enabling their use by different working groups and ensuring public access to this data. Finally, the CGFS data contributes to the baseline assessment of the impact of numerous marine aggregates extraction projects (through a multi-year convention signed between the Ministry of Ecology, Sustainable Development and Spatial Planning, IFREMER, and BRGM) planned or underway in the Eastern English Channel.
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Hydrological and current velocity data from moorings P1, P2, P4, P5 and P6 in the Filchner Trough region in the southern Weddell Sea, February 2017 to March 2021

Deep water formed around the Antarctic continent drives the world ocean circulation. More than 50% of this deep water is formed within only about 10% of the Antarctic circumpolar band: the Weddell Sea. Subtle changes in the circulation of the Weddell Sea can lead to major changes in floating ice shelves, with critical implications for global sea-level, the production of deep water, and the global ocean overturning circulation. The Filchner Trough on the continental shelf in the southern Weddell Sea plays an important role for the water mass exchange between the cold water on the continental shelf and the warm water off the continental shelf: It serves as a conduit for relatively warm water to flow southward across the continental shelf toward the Filchner Ronne Ice shelf and for the dense, cold water produced underneath the ice shelf to flow northward off the continental shelf to feed Antarctic Bottom Water. Four moorings (P1, P2, P4, P5) were places within the inflow pathway of the warm water at the northern entrance to the Filchner Trough on the continental shelf, and one mooring (P6) was placed off the continental shelf over the deep ocean. The mooring time series cover the period from February 2017 to March 2021 and are used to investigate the processes controlling the on-shore transport of relatively warm water onto the shelf toward the ice shelf and the interaction of the warm water with the cold dense water. The moorings provide observations of the circulation on the continental shelf and the temperature variability on small (tidal) to large (seasonal, interannual) time scales.
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AIRGUN SEISMIC PROFILE (RG1-S1D) IN THE SINKING AREA OF THE PRESTIGE OIL TANKER

Seismic profile obtained with 4 Sleeve Gun canyons (3 Bolt model 1900LL and 1 Bolt model 1500LL), operating at 140 bars (2000 psi), and 40 channel, 150 m long streamer. 
Processed: bandpass filtering
Multichannel seismic profile GBT38_m

Multichannel seismic profile recorded onboard  RV Sarmiento de Gamboa. High volume G-gun arrays and a long Sercel multichannel digital streamer  were used.The scientific goal of the cruise is to improve our knowledge of the geodynamic evolution of the Gibraltar Arc System (GAS) from improving the existing dataset in particular margin segments of the westernmost Mediterranean. The survey was conducted in the Palomares and Cartagena margins.
Surface waves parameters from the Deep Levantine (DeepLev) moored station

Surface waves data collected at a moored station 50km offshore Israel west of Haifa, where the seabed is at depth of nearly 1.5 km. The measuring instrument was a Nortek Signature 500 Acoustic Doppler Current Profilers (ADCP) installed on a submerged buoy at a depth of about 30 m. The data includes the following parameters: significant wave height, maximal wave height, peak wave period, mean wave period, peak direction and mean direction.
Turbidity (NTU) data from the EMSO-Azores observatory, 2017-2018

This dataset contains turbidity (NTU) data acquired between July 2017 and July 2018 using a Wetlabs turbidimeter (ECO-BBRTD, serial # 215R) installed horizontally at 1.5 m height at the top of the SeaMoN East frame. The sensor was not calibrated as the sizes of the natural particles are unknown. Data was acquired every 15 minutes. The instrument is part of the SeaMoN East ecological monitoring node deployed at ca 10m away from the active hydrothermal edifice Tour Eiffel..
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CHEMINI total dissolved iron concentrations from the EMSO-Azores observatory, 2011-2012

This dataset contains real-time total dissolved iron concentrations ((Fe(II) + Fe(III); µmol/l) acquired from the EMSO-Azores seafloor observatory TEMPO from July 2011 to March 2012 (n=1780). Data are purchased by the CHEMINI Fe (CF0), a CHEmical MINIaturized analyser dedicated to in situ determination of iron concentrations (every 12 hours, without in situ calibration, Vuillemin et al., 2009). The instrument is deployed on TEMPO part of Seamon East environmental monitoring node. The sample inlet is located on a mussel bed at the base of the Eiffel Edifice at 1695m depth.
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