AndreaBozzo/ceres-open-data-index huggingface dataset:
Gateway-driven weakening of ocean gyres leads to Southern Ocean cooling

Declining atmospheric CO2 concentrations are considered the primary driver for the Cenozoic Greenhouse-Icehouse transition, ~34 million years ago. A role for tectonically opening Southern Ocean gateways, initiating the onset of a thermally isolating Antarctic Circumpolar Current, has been disputed as ocean models have not reproduced expected heat transport to the Antarctic coast. Here we use high-resolution ocean simulations with detailed paleobathymetry to demonstrate that tectonics did play a fundamental role in reorganising Southern Ocean circulation patterns and heat transport, consistent with available proxy data. When at least one gateway (Tasmanian or Drake) is shallow (300 m), gyres transport warm waters towards Antarctica. When the second gateway subsides below 300 m, these gyres weaken and cause a dramatic cooling (average of 2–4°C, up to 5°C) of Antarctic surface waters whilst the ACC remains weak. Our results demonstrate that tectonic changes are crucial for Southern Ocean climate change and should be carefully considered in constraining long-term climate sensitivity to CO2.

Tags: Southern Ocean, ACC, Cenozoic Greenhouse-Icehouse Transition, Sea Surface Temperatures, Ocean Gyres,
Organization: Australian Ocean Data Network
Seabird transported contaminants are dispersed in island ecosystems

Seabirds are long-range transporters of nutrients and contaminants, linking marine feeding areas with terrestrial breeding and roosting sites. By depositing nutrient-rich guano, which acts as a fertiliser, seabirds can substantially influence the terrestrial environment in which they reside. However, increasing pollution of the marine environment has resulted in guano becoming similarly polluted. Here, we determined metal and metalloid concentrations (As, Cd, Cr, Cu, Hg, Pb) in Flesh-footed Shearwater (Ardenna carneipes) guano, soil, terrestrial flora, and primary consumers and used an ecological approach to assess whether the trace elements in guano were bioaccumulating and contaminating the surrounding environment. Concentrations in guano were higher than those of other Procellariiformes documented in the literature, which may be influenced by the high amounts of plastics that this species of shearwater ingests. Soil samples from shearwater colonies had significantly higher concentrations of all metals, except for Pb, than soils from control sites and formerly occupied areas. Concentrations in terrestrial primary producers and primary consumers were not as marked, and for many contaminants there was no significant difference observed across levels of ornithogenic input. We conclude that Flesh-footed Shearwaters are transporters of marine derived contaminants to the Lord Howe Island terrestrial environment.

Tags: Ardenna, Bioaccumulation, Guano, Plastics, Procellariiformes, Seabirds
Organization: Australian Ocean Data Network
Multirotor remotely piloted aircraft (RPA) flight logs collected during the ENRICH voyage (IN2019_V01)

This record describes multirotor remotely piloted aircraft (RPA) flight log data collected during the Marine National Facility (MNF) RV Investigator voyage IN2019_V01, ENRICH (Euphausiids and Nutrient Recycling in Cetacean Hotspots), conducted in the Southern Ocean between January and March 2019. During the voyage, RPAs were deployed to support cetacean research, including whale photogrammetry, photo-identification, blow sampling, behavioural observations, surface water sampling for trace metal analysis, and scenic imagery collection. A total of 139 flights were conducted between 25 January and 25 February 2019 using DJI Inspire 2, DJI Phantom 4, and DJI Phantom 4 Pro platforms. The dataset contains flight telemetry decoded from DJI flight logs, including RPA type, unique flight identifier, date and time (UTC), geographic position, flight duration, distance from the launch location, total flight distance, and flight height. Flights were launched from deck 2 of RV Investigator, approximately 12 m above sea level; consequently, recorded flight heights are referenced to the launch point and may include negative values when the aircraft flew below deck height.

Organization: Australian Ocean Data Network
IND223 - Healthcheck: Indirect flow of benefits

Metric: Indirect economic contributions from the fishery to Gross State product (GSP). If unavailable, contributions to State Gross Value Added (GVA), or State Gross Domestic Product (GDP) ($AUD).

Measures the broader economic activity supported by the fishery through related industries, services, and supply chains.

Tags: Economic, Wider community
Organization: Australian Ocean Data Network
RV Investigator Voyage IN2025_V06 SBP29 Sub-bottom Profiler Data

This record describes sub bottom profiler data collected on RV Investigator voyage IN2025_V06, The Coral Sea Frontier which departed Brisbane on Friday 10 October 2025 and returned to Brisbane on Friday 14 November 2025.

The Kongsberg SBP29 (sub bottom profiler) was used to acquire data containing the specular reflections at different sediment interfaces below the seafloor. The SBP120 provides a 3° by 3° angular resolution.

The echosounder's frequency sweep range is from 2.5 to 7 kHz. The SBP29 was logged for the extent of the voyage.

Data are stored in .raw (1,036 files 23.2 GB) raw and .seg (517 files 11.5 GB) segy formats at CSIRO.

The segy format data had a real time processing stream applied, which applies gain, a gain correction, matched filter with replica shaping, an attribute calculation for instantaneous amplitude and time variable gain.

Additional information regarding this dataset is contained in the GSM data acquisition and processing report. Additional data products may be available on request

Organization: Australian Ocean Data Network
Australian Maritime Limits and Boundaries (AMB) Data Collection

Delineation of Australia's domestic and international maritime limits and boundaries. These boundaries include a variety of jurisdictional, economic, regulatory and legal boundaries. 

Value: Used by national governments, businesses, organisations in determining boundaries for zones governed/managed by different regulatory structures/requirements. 

Scope: A national dataset at resolution relevant for presentation of regional spatial data such as digital maps or regional decision making.

Tags: Administrative Boundaries, Boundaries, DC2020, EARTH SCIENCES, GIS, HVC - High Value Collection, HVC_144653, Mapping, Marine, Marine Jurisdiction, Published_External, Thematic Map
Organization: Australian Ocean Data Network
RV Investigator Voyage IN2025_V03 Underway (UWY) Data

This record describes the Underway (UWY) data collected from the Marine National Facility (MNF) RV Investigator  voyage IN2025_V03, titled "COAST‐k – Clean Ocean Air Sampling upwind of Tasmania ‐ kennaook." The voyage took place between April 29, 2025 and May 18, 2025 (AEST), departing from Hobart and returning to Hobart.

Standard Underway data is continuously recorded, consisting of:

(1) Navigation data (NAV): Latitude, Longitude, Speed, Heading, Course Over Ground, Gyros, and Doppler Log (dual GPS instrument).

(2) Thermosalinograph (TSG): Water Salinity, Flow-Rate, Temperature, Fluorescence, pCO2 and Optode/Oxygen.

(3) Atmospheric (MET): Humidity, Wind Speed and Direction (vane and ultrasonic), Radiometer/Sea Surface Temperature, Pyranometer/Solar Radiation, Photosynthetically Active Radiation (PAR), Air Temperature, Air Pressure, Rain, Ozone and Trace Gases (port and starboard instruments).

The quality-controlled RV Investigator underway meteorological and SST data are supplied to the IMOS AODN and other global data repositories and distributors, and made available for satellite SST validation by the Australian Bureau of Meteorology (BoM).

Near real-time, unprocessed data are available via the link "Visualisation tool for Underway Data."

This dataset has been processed (quality-controlled), and archived by the CSIRO National Collections and Marine Infrastructure (NCMI) Information and Data Centre (IDC). Data are available at time intervals of 5 sec (NetCDF format), 5 sec, 10 sec, 1 min and 5 min (ASCII format). Note: not all variables are quality controlled; please check for existing QC flags in the datasets. Additional information regarding this dataset is contained in the Voyage Summary and/or the Data Processing Reports for this voyage.

Organization: Australian Ocean Data Network
Rock Dredge Collection from RV Investigator Voyage IN2020_V01

This report documents the rock dredge dataset collected during the Marine National Facility research voyage IN2020_V01 aboard the RV Investigator between 10 January and 6 March 2020. Dredging was undertaken across William's Ridge and the Kerguelen Plateau to recover igneous and sedimentary rocks that constrain the tectonic evolution, hotspot magmatism, and crustal architecture of the region. The dataset provides detailed records of dredge locations, sample descriptions, lithologies, and curation information, forming a valuable resource for petrological, geochemical, and geochronological investigations. These samples support ongoing research into the geological development of the Kerguelen Plateau, the evolution of microcontinental fragments, and Australia's Extended Continental Shelf. The dredge collection was documented by Dr. Robyn Gardner (Macquarie University) and Dr. Derya Gürer (The University of Queensland) and is curated at the University of Tasmania (UTAS).

Organization: Australian Ocean Data Network
Wilson Inlet (WA) Seagrass 2007

Aquatic flora surveys were conducted in Wilson Inlet in 2007 and 2008. This data is part of the 2013 report "Synthesis of seagrass mapping studies" conducted by the Water Science Branch of the Department of Water.

The 2007 survey was conducted to review any changes in seagrass distribution since the previous survey in 1996 (data not included in this record), and was funded internally by the Water Science branch. The 2008 survey was conducted by the WA Department of Water together with Geoscience Australia. The objective of the 2008 survey was to collect baseline data on seagrass composition and distribution in key estuaries of southern and south-western WA.

This data was acquired by the ACEAS Seagrass Group as part of the 2013 Australia-wide risk assessment of Seagrass.

Surveys were conducted again in December 2017, April 2018, December 2019, December 2020, December 2021 and December 2022 by the Department of Water and Environmental Regulation as "Wilson Inlet Seagrass Survey".

The datasets making up the 2007-2008 Wilson Inlet seagrass survey data are:
WA_WilsonInlet_seagrass_polygons - polygon dataset showing interpolated percentage cover of seagrass with species information (where available).

This record provides access to the initial WA DoW surveys. See associated DWER records in Data WA catalogue for access to newer surveys at this site.

Tags: Benthic habitat, WESTERN AUSTRALIA
Organization: Australian Ocean Data Network
Larval rearing of Striped Trumpeter (Latris lineata)

Data collected includes growth, survival, development (swim bladder inflation, flexion, metamorphosis), health, water quality, systems (tank size etc), nutrition (live feeds, lipids, vitamins) for hatchery reared striped trumpeter (Latris lineata).

Tags: 37 378001, Agriculture | Agricultural Aquatic Sciences | Aquaculture, Development, Growth, Latris lineata, Lipids, Malformation, Ontogeny, Parasites, Probionts, Survival, Total length, Water quality parameters, Weight
Organization: Australian Ocean Data Network
Antarctic Krill Vertical Migration Data from RV Investigator Voyage IN2021_V01 (TEMPO)

This dataset contains processed acoustic, biological, and environmental data collected during the Marine National Facility (MNF) RV Investigator research voyage IN2021_V01, Quantifying krill abundance for krill monitoring and management off the Australian Antarctic Territory. The voyage was conducted between 29 January and 24 March 2021, departing from and returning to Hobart, Australia, as part of the 2021 Trends in Euphausiids off Mawson, Predators, and Oceanography (TEMPO) survey in East Antarctica. The dataset comprises processed echosounder observations from the KOMBI (Krill Observational Mooring for Benthic Investigations) mooring, Antarctic krill (Euphausia superba) target strength data used for biomass estimation, historical krill length-frequency data, and interpolated chlorophyll concentrations for the Prydz Bay region. These data support investigations of Antarctic krill abundance, seasonal vertical migration patterns, and particulate organic carbon (POC) export associated with krill faecal pellet production. The dataset provides a valuable resource for studies of Southern Ocean ecosystem dynamics, biological carbon cycling, and ecosystem modelling, contributing to improved understanding of carbon sequestration processes and the parameterisation of biogeochemical models.title

Organization: Australian Ocean Data Network
Redmap (New South Wales) - Sightings of Mammal Species

Redmap is a primarily a website that invites the community to spot, log and map marine species that are uncommon in their region, or along particular parts of their coast. The information collected is mapped and displayed on the site, demonstrating, in time, how species distributions may be changing.

Sightings are divided into two categories – those with a photo that can be ‘verified’ by a marine biologist, and sightings without photos that we call community sightings (anecdotal). All the information collected, with and without photos, is mapped and will be used in the following years to map out a ‘story’ of changes occurring in our marine environment.

The main data collected includes the species sighted (normally selected from a list comprising preselected species of interest), the location, date/time and activity being undertaken.  Other optional information gathered include biological data such as sex, size and weight and environmental data such as water depth and temperature and habitat.

This record is associated with live data (and will subsequently change over time) and spatial elements have reduced accuracy.  It is also subject to a three year embargo (ie. does not contain data less than three years old).  If you wish to discuss obtaining a citable, static dataset, that is current and/or contains accurate spatial elements, please email enquiries@redmap.org.au.

Tags: Hand Sampling, body_length, body_weight, climate change, range shift, species distribution, fishing, latitude, longitude
Organization: Australian Ocean Data Network
Collated data inventory for Northern Royal Albatross in relation to the Gippsland Offshore Renewable Energy declaration area (NESP MaC 3.21)

This project undertook a rapid exploration of information on a priority subset of species identified by the Department of Climate Change, Energy, the Environment and Water (DCCEEW) and the National Offshore Petroleum Safety and Environment Authority (NOPSEMA) that are listed as critically endangered or endangered under the Environment Protection and Biodiversity Conservation Act 1999. It specifically focused on these species in relation to the Gippsland declaration area, and the adjacent areas to the declaration area in Bass Strait.

This rapid exploration of information was conducted as follows:
1)  identify datasets and information sources relevant to priority species identified by DCCEEW and NOPSEMA for the Gippsland declaration area; 
2)  identify the source of these datasets and information and their level of accessibility;
3)  evaluate the utility of datasets and information identified in 2) for assessments/regulatory processes required to be undertaken by DCCEEW and NOPSEMA; and 
4)  identify what activities would need to be undertaken to improve the accessibility and utility of datasets and information sources identified in 3) that are not currently accessible in useable formats. 

Fifteen priorities species (12 birds, 3 cetaceans) were identified for which publicly-available occurrence data could be located. This record and the attached download describes the data inventory for Northern Royal Albatross (Diomedea sanfordi).

To download the data inventory for all fifteen priority species, see https://doi.org/10.25959/GB51-RW44.

Tags: Diomedea sanfordi, Offshore renewable energy (ORE), Offshore wind energy, Seabirds, Shorebirds, Threatened, endangered and protected species
Organization: Australian Ocean Data Network
RV Investigator Voyage IN2025_V06 EM712 Multibeam Echosounder Data

This record describes multibeam echosounder data collected on RV Investigator voyage IN2025_V06, The Coral Sea Frontier which departed Brisbane on Friday 10 October 2025 and returned to Brisbane on the Friday 14 November 2025.

The Kongsberg EM712 multibeam echosounder was used to acquire seafloor bathymetry and backscatter information [and watercolumn backscatter].

The EM712 provides a 0.5° by 1° transmit and receive angular resolution respectively. The echosounder's nominal frequency range is from 40 to 100 kHz. 

Data are stored in .kmall raw format for bathymetry and backscatter and .kmwcd format for watercolumn backscatter at CSIRO. 

There are 431files totalling 50.7 GB of raw data and 430 files totalling 125 GB of watercolumn data in this dataset. 

Sound velocity profiles were applied to this data during data acquisition. Bathymetry data contained in *.kmall format are corrected for motion and position. 

GPS tide was computed using the EGM2008 model and applied to the processed data. Processed data has had outliers removed. 

Additional information regarding this dataset, including further information on processing streams, is contained in the GSM data acquisition and processing report.

Organization: Australian Ocean Data Network
Intertidal area of the Australian continental shelf and Lord Howe Island shelf derived and aggregated from Australian Hydrographic Service's (AHS) depth area features in the 1 degree S57 file series [for NESP D3]

The intertidal area was derived by aggregating and dissolving the boundaries of the 1 degree S57 file series for the Australian continental shelf and Lord Howe Island shelf (200 m) depicting depth area features.

Tags: COASTLINE, Depth of deepest feature, Depth of shallowest feature, INTERTIDAL
Organization: Australian Ocean Data Network
Krill Observational Mooring for Benthic Investigation (KOMBI) deployments - 2024-2025 Data

These are the 2024-2025 data collected from three KOMBI moorings deployed in the Southern Ocean.  See the related metadata records for data from other years.

Hydrophone data from the KOMBI moorings are available from other metadata records.

The KOMBI (Krill Observational Mooring for Benthic Investigations) seafloor landers are autonomous oceanographic platforms designed to collect high-resolution time-series data on krill species, non-krill species and their seafloor environment across a full year in the Antarctic. Each mooring integrates multiple sensors—such as temperature, salinity, pressure (CTD), video cameras, current profiles and acoustic backscatter—to support long-term ecosystem monitoring and process-based studies. KOMBI moorings are deployed to capture seasonal to interannual variability, improve understanding of pelagic habitat dynamics, and provide continuous observations that complement ship-based and remote-sensing programs. The time series is ongoing and data will be continuously added upon platform retrieval.

This dataset contains all data collected from Krill Observational Mooring for Benthic Investigations (KOMBI) seafloor lander platforms.

KOMBI platforms were left on the seafloor for one year at depths on the continental shelf and near the shelf break. The minimum depth of a mooring is 350m to avoid collision with icebergs and the maximum depth is 1500m. KOMBI dimensions are 1145 x 1145 x 1300 mm. Moorings are typically deployed in summer months from vessels and are left to collect data for one year (at least).

Active acoustic (ADCP and echosounder) data, passive acoustic data, CTD data and video camera footage are available from various instruments installed on the moorings. Active acoustic deployment files, compass calibrations and echosounder calibration files are included. Echosounders were calibrated in a 10,000L tank of temperature-controlled seawater at the Australian Antarctic Division in Kingston, using a 23mm tungsten carbide sphere and a paired Simrad EK80 333kHz echosounder to map the beam. Calibration raw data and code is included to produce Nortek SONAR equation CalibrationOffsetSv for each frequency. Calibration is only available for narrowband frequencies.

Data collection began in 2021 and is ongoing.

Tags: 4636, AAS 4636, ADCP > Acoustic Doppler Current Profiler, AMD, AMD/AU, CEOS, CONTINENT > ANTARCTICA > Prydz Bay, CTD > Conductivity, Temperature, Depth, EARTH SCIENCE > BIOLOGICAL CLASSIFICATION > ANIMALS/INVERTEBRATES > ARTHROPODS > CRUSTACEANS > EUPHA, EARTH SCIENCE > OCEANS > OCEAN ACOUSTICS, EARTH SCIENCE > OCEANS > OCEAN CIRCULATION > OCEAN CURRENTS > CURRENT PROFILES, ECHO SOUNDERS > ECHO SOUNDERS, GEOGRAPHIC REGION > POLAR, KOMBI, LANDER, MOORINGS, OCEAN > SOUTHERN OCEAN, OCEAN > SOUTHERN OCEAN > EAST ANTARCTIC CONTINENTAL SHELF, OCEAN > SOUTHERN OCEAN > KERGUELEN PLATEAU, VIDEO CAMERA > VIDEO CAMERA
Organization: Australian Ocean Data Network