AndreaBozzo/ceres-open-data-index huggingface dataset:
Coral Reef Health Broadscale Survey - Reef Benthic Survey: Benthic Cover(%) From Photo Transects 2013-2016

Coral reef survey of benthic cover, between northern Ningaloo and the Dampier Archipelago. The data include Benthic Cover (%) of benthic life forms on 25m transects, derived from point intercept data taken from transect images.

Attributes:
COLUMN_NAME    COMMENTS
YEAR_SAMPLED — Year that site was analysed for habitat cover
SITE_ID — Site identifier (Site was photographed and analysed for habitat percent cover)
REEF_NAME — Name of reef site is associated with
FACIES — Used to describe the part of the reef that the site represents e.g. reef slope, reef flat
NO_TAKE — Is the site in a non-fishing zone (based on Marine Park Zoning) or not (Y/N: Y =&gt; Non-Fishing Zone, N=&gt;Site is fished)
LAT — Site Latitude
LON — Site Longitude
BROADGROUP — Broadgroup classification of benthic cover
SUBGROUP — Subgroup classification of benthic cover
PERCENT_COVER — Percent cover of subgroup habitat for the site in the year sampled

Organization: Australian Ocean Data Network
Examination of Samples from Cossigny No. 1, Flinders Shoal No. 1, Hampton No. 1 and Lawley No. 1, Offshore Carnarvon Basin, Western Australia, for Triassic Conodonts

Examination of samples from Cossigny No. 1, Flinders Shoal No. 1, Hampton No. 1 and Lawley 1, offshore Carnarvon Basin, Western Australia, for Triassic conodonts.

Tags: AU-WA, Earth Sciences, GA Publication, Professional Opinion, Published_External, marine
Organization: Australian Ocean Data Network
SI 1018 Great North East Channel (South-West), Torres Strait, QLD (HIPP) Bathymetry Acquisition (20220010S)

The Great North East Channel (South-West), Torres Strait bathymetry survey was acquired for the Australian Hydrographic Office (AHO) onboard the MV Sea Ranger and the SMB Independence during the period 26 Jan 2022 – 13 Apr 2022. This was a contracted survey conducted for the Australian Hydrographic Office by EGS Survey Pty. Ltd. as part of the Hydroscheme Industry Partnership Program. The survey area encompases an area in Torres Strait, Queensland. Bathymetry data was acquired using a Kongsberg EM2040C and a Kongsberg EM2040P, and processed using QPS Qimera processing software. The dataset was then exported as a 30m resolution, 32 bit floating point GeoTIFF grid of the survey area.

This dataset is not to be used for navigational purposes.

Tags: AusSeabed, EARTH SCIENCES, Earth Science | Oceans | Bathymetry/Seafloor Topography | Bathymetry, HVC_144641, Oceans, Published External, Published_External, bathymetric grids, bathymetry, marine, multibeam
Organization: Australian Ocean Data Network
Biomarker Evidence for Green and Purple Sulphur Bacteria in a Stratified Palaeoproterozoic Sea

The disappearance of iron formations from the geological record ~1.8 billion years (Gyr) ago was the consequence of rising oxygen levels in the atmosphere starting 2.45-2.32 Gyr ago. It marks the end of a 2.5-Gyr period dominated by anoxic and iron-rich deep oceans. However, despite rising oxygen levels and a concomitant increase in marine sulphate concentration, related to enhanced sulphide oxidation during continental weathering, the chemistry of the oceans in the following mid-Proterozoic interval (1.8-0.8 Gyr ago) probably did not yet resemble our oxygen-rich modern oceans. Recent data indicate that marine oxygen and sulphate concentrations may have remained well below current levels during this period, with one model indicating that anoxic and sulphidic marine basins were widespread, and perhaps even globally distributed4. Here we present hydrocarbon biomarkers (molecular fossils) from a 1.64-Gyr-old basin in northern Australia, revealing the ecological structure of mid-Proterozoic marine communities. The biomarkers signify a marine basin with anoxic, sulphidic, sulphate-poor and permanently stratified deep waters, hostile to eukaryotic algae. Phototrophic purple sulphur bacteria (Chromatiaceae) were detected in the geological record based on the new carotenoid biomarker okenane, and they seem to have co-existed with communities of green sulphur bacteria (Chlorobiaceae). Collectively, the biomarkers support mounting evidence for a long-lasting Proterozoic world in which oxygen levels remained well below modern levels.

Tags: Earth Sciences, External Publication, Published_External, Scientific Journal Paper
Organization: Australian Ocean Data Network
SI 1054 Cape Pasley to Pollock Reef (HIPP SI 1054) Bathymetry 2025 (20250002S)

This is a contracted survey conducted for the Australian Hydrographic Office by EGS Australia as part of the Hydroscheme Industry Partnership Program (HIPP). The survey area is Cape Pasley to Pollock Reef, WA.

Not to be used for navigational purposes

Tags: AusSeabed, Backscatter, Bathymetry, Digital Delivery, EARTH SCIENCES, Indian Ocean, Marine, Offshore Mapping, PMG Emerald, Published_External, Resourcing Australia's Prosperity, Sampling, multi-beam echosounders
Organization: Australian Ocean Data Network
SI 1037 Dampier Marine Park (South) (HIPP SI 1037) Bathymetry 2024 (20240003S)

The Dampier Marine Park (South) bathymetry survey was acquired for the Australian Hydrographic Office (AHO) during the period 15 Jul 2024 – 31 Jan 2025. This is a contracted survey conducted for the Australian Hydrographic Office by DMAL as part of the Hydroscheme Industry Partnership Program. The survey area is Dampier Marine Park, WA.

This dataset is not to be used for navigational purposes.

Not to be used for navigational purposes

Tags: AusSeabed, Bathymetry, EARTH SCIENCES, MV Limitless, Marine, Published_External, Resourcing Australia's Prosperity, Timor Sea (East Indian Archipelago), multi-beam echosounders
Organization: Australian Ocean Data Network
Quaternary Sediment Cores from the Southern Fairway Basin on the Northern Lord Howe Rise (Tasman Sea)

Thick packages of Cretaceous and Tertiary sediment with numerous diapirs fill the Southern Fairway Basin (SFB) on the Lord Howe Rise (LHR).  A bottom-simulating reflector (BSR) also extends across much of this basin, perhaps indicating substantial amounts of CH4 as gas hydrate and free gas.  As part of the ZoNiCo 5 survey, run on behalf of the New Caledonian government, 13 piston cores were taken by the RV L'Atalante in 1999 to assess the gas and petroleum potential of the SFB.  Specifically, the cores were recovered to document the nature of sediment, pore water and gas in the shallow sedimentary section. 
The 13 cores, from 1250 to 2753 m below sea level (mbsl) and between 405 and 758 cm long, contain stiff nannofossil ooze.  If average regional sedimentation rates apply (10 m/my), the maximum age at the bottom of cores is less than 800,000 years.  The sediment typically grades from greyish orange at the top, to very pale orange in the middle, and then to either yellowish grey, very light grey or white at the bottom.  Thin black horizons, presumably composed of pyrite, also occur.  The changes in colour are related to variations in magnetic susceptibility (MS) and pore water SO42-.  Pale and grey zones generally have low MS punctuated by MS highs, and low pore water SO42- concentrations.  Methane was detected in most sediment samples, although at trace levels.  The presence of ethane, propane and higher hydrocarbons suggests that gases in the SFB have a thermogenic component. 
With the available data, the best explanation for colour, MS and SO42- profiles is that Fe has been remobilised under anoxic conditions.  Ferric iron in solid oxyhydroxide phases and SO42- in pore waters have been converted to dissolved ferrous iron and sulphide.  Some of this iron and sulphur has then re-precipitated as pyrite or magnetite (the MS spikes).  The overall process may be driven by CH4 from underlying gas hydrate deposits.  Upward fluxes of CH4, perhaps of thermogenic origin, induce anaerobic CH4 oxidation in shallow sediment, a process that consumes SO42-.  As a consequence, unexpectedly shallow redox fronts occur in the SFB.  However, longer cores with less-oxidised sediment and additional analyses are needed to understand sediment, water and gas in this region.

Tags: Earth Sciences, GA Publication, Published_External, Record, geology, hydrocarbons, marine, marine survey, petroleum reserves, stratigraphy
Organization: Australian Ocean Data Network
RV Investigator Voyage IN2024_V05 ADCP Data

This record describes the Acoustic Doppler Current Profiler (ADCP) data collected from the Marine National Facility RV Investigator voyage IN2024_V05, titled: "Multi-year: Untangling the causes of change over 25 years in the southeast marine ecosystem (SEA-MES Voyage 3)." The voyage took place between November 13, 2024 and December 12, 2024 (AEST), departing from Hobart and returning to Hobart.

The ADCP was run for most of the voyage, though it was turned off when EK80 surveys were being performed to avoid creating interference in the EK80 data. As this was a fisheries voyage, the EK80 was used extensively and the ADCPs were not acquiring for long periods throughout the voyage.

ADCP data were collected using the University of Hawaii Data Acquisition System (UHDAS) and post-processed using the Common Ocean Data Access System (CODAS). Documentation for these systems can be found in (Hummon, 2009-2021).

The RDI Ocean Surveyor 150kHz ADCP, RDI Ocean Surveyor 75kHz ADCP and RDI Ocean Surveyor 38kHz ADCP were run in narrowband mode.
Internal triggering was used.

The drop keel was set at 2 metres below the hull for the duration of the voyage. The nominal transducer depth is set to 6 metres, any additional changes will need to be applied by the user if they believe it is required.

Bottom tracking was run for an hour of the voyage on the OS150nb to aid in calibrations.

For more information please see the Processing Report (linked below).

This dataset was processed (quality-controlled), and then archived by the CSIRO National Collections and Marine Infrastructure (NCMI) Information and Data Centre (IDC).

Organization: Australian Ocean Data Network
The Queensland Plateau

The Queensland Plateau, a large fragment of Australian continental crust lying more than 1000m below sea level off northern Queensland, was covered by extensive marine geophysical traversing in 1971 and tested by stratigraphic drilling in the same year. This Bulletin presents the results of stratigraphic mapping of the Plateau using the acoustic stratigraphy available from seismic reflection profiling tied to the drill site. The sedimentary and structural history of the Plateau is deduced and compared with generalised models of rift-margin evolution; considerable departure from the 'norm' is demonstrated.

Tags: AU-QLD, Bulletin, Earth Sciences, GA Publication, Published_External, geology, marine, marine survey
Organization: Australian Ocean Data Network
Seabed Mapping: Darwin Harbour region (including Bynoe Harbour)

This report is the first of three reports that provide the scientific analyses and interpretations resulting from a four-year collaborative habitat mapping program undertaken within the Darwin and Bynoe Harbour region by Geoscience Australia (GA), the Australian Institute of Marine Science (AIMS) and the Northern Territory Government Department of Environment and Natural Resources (DENR). This 4 year program (2014-2018) aims to improve knowledge of the marine environments in the Darwin and Bynoe Harbour regions by collating and collecting baseline information and developing thematic habitat maps that will underpin future marine resource management decisions. This program was made possible through offset funds provided by the INPEX-operated Ichthys LNG Project to DENR, and co-investments from GA and AIMS.

Tags: Earth Sciences, Harbour, Northern Territory, Published_External, backscatter, bathymetry, marine environmental baseline, marine resource planning, marine survey, seabed habitat
Organization: Australian Ocean Data Network
Lithofacies distribution in relation to the geomorphic provinces of Prydz Bay, East Antarctica

Over the past 15 years, Japanese, Australian and Russian expeditions to Prydz Bay have collected about 30 000 kilometrs of bathymetric data, 6 000 kilometres of sidescan sonar dat and more than 250 sediment grab and core samples. These data were used in the present study to compile surficail sediment, bathymetric and geomorphological maps of the Prydz Bay region.

Tags: AQ, Antarctic data, Earth Sciences, External Publication, Published_External, Scientific Journal Paper, geomorphology, marine, sedimentary basins
Organization: Australian Ocean Data Network
An Assessment of the Tithonian Play in the Dampier Sub-Basin and Rankin Trend, Offshore Western Australia

The hydrocarbon potential of the Tithonian play in the Dampier Sub-basin has been rapidly assessed as part of a continuing program of quantitative appraisal of Australia's hydrocarbon potential. Six wells have already tested the play; of these Angel was a significant gas discovery and Egret was a significant oil discovery. The remaining potential in four undrilled prospects (Courtenay, Wallcot, Nickol, and Finucane) has been assessed by the prospect by prospect method, using a Monte Carlo simulation computer program called SIMULAT.

Tags: AU-WA, Earth Sciences, GA Publication, Published_External, Record, marine
Organization: Australian Ocean Data Network
Daly Basin hydrogeological inventory

This Daly Basin dataset contains descriptive attribute information for the areas bounded by the relevant spatial groundwater feature in the associated Hydrogeology Index map. Descriptive topics are grouped into the following themes: Location and administration; Demographics; Physical geography; Surface water; Geology; Hydrogeology; Groundwater; Groundwater management and use; Environment; Land use and industry types; and Scientific stimulus.

The Daly Basin is a geological formation consisting of Cambrian to Ordovician carbonate and siliciclastic rocks, formed approximately 541 million to 470 million years ago. The basin stretches about 170 km in length and 30 km in width, shaped as a northwest elongated synform with gentle dips of less than 1 degree, likely due to prolonged sedimentary deposition in the shallow seas of the Centralian Superbasin, possibly along basin-scale faults.

The primary groundwater reservoir within the Daly Basin is found in the Cambrian Daly River Group. This group comprises three units: the Tindall Limestone, Jinduckin Formation, and Oolloo Dolostone. The Tindall Limestone, which lies at the base, consists of grey, mottled limestone with some maroon-green siltstone or dark grey mudstone. The transition from the Tindall Limestone to the overlying Jinduckin Formation is marked by a shift from limestone to more siliciclastic rocks, indicating a change from open-shelf marine to peri-tidal environments.

The Jinduckin Formation, situated above the Tindall Limestone, is composed of maroon-green dolomitic-siliciclastic siltstone with interbeds of dolomitic sandstone-siltstone, as well as dolostone and dolomitic quartz sandstone lenses. It gradually transitions into the carbonate-rich Oolloo Dolostone, with the highest finely laminated dolomitic sandstone-siltstone interbeds at the top of the Jinduckin Formation.

The Oolloo Dolostone, the uppermost unit of the Daly River Group, comprises two members: the well-bedded lower Briggs Member, consisting of fine- to medium-grained crystalline dolostone and dolomitic quartz sandstone, and the massive upper King Member.

Overlying the Daly River Group is the Ordovician Florina Formation, consisting of three carbonate intervals separated by two fine-grained, glauconite-bearing quartz sandstone units. The Florina Formation and the Daly River Group are covered unconformably by Cretaceous claystone and sandstone of the Carpentaria Basin, which extends over a significant portion of the Daly Basin.

Tags: Basin Analysis, EARTH SCIENCES, ECOLOGY, ENVIRONMENTAL SCIENCES, Environmental Management, Exploring for the Future, GEOLOGY, Groundwater, Hydrogeology, Land Use and Environmental Planning, National Groundwater Sytems, National Hydrogeological Inventory, PHYSICAL GEOGRAPHY AND ENVIRONMENTAL GEOSCIENCE, Published_External, Sedimentology, Stratigraphy (incl. Biostratigraphy and Sequence Stratigraphy)
Organization: Australian Ocean Data Network
Denitrification and Denitrifying Efficiencies in Sediments of Port Phillip Bay: Direct Determinations of Biogenic N2 and N-metabolite Fluxes with Implications for Water Quality

High-precision measurements of N2 in benthic chamber waters indicated that denitrification occurs within the major sedimentary facies in Port Phillip Bay. The integrated fluxes of biogenic N2 , ammonia, nitrate and nitrite showed that the stoichiometric relationship between organic C and N in the muddy sediments, occupying about 70% of the seafloor, was 5.7, this being similar to the Redfield ratio of 6.6. High denitrifying efficiencies (75-85%; denitrification rates ~1.3 mmol N2 m-2 day-1) at organic carbon loadings of ~15-25 mmol m-2 day-1 indicate that most N processed through the sediments was returned to the overlying waters as biologically (generally) unavailable N2. At sites of high organic carbon loadings to the sediments (&gt;100 mmol m-2 day-1) denitrification rates and denitrifying efficiencies were near zero and most N is returned to the Bay waters as biologically available ammonium. In chambers 'spiked' with 15NO3 , denitrifyers used nitrate produced in the sediments in situ, rather than the exogenous nitrate in overlying waters. The sedimentary microbial processes of ammonification, nitrification and denitrification are therefore tightly coupled.

Tags: AU-VIC, Earth Sciences, External Publication, Published_External, Scientific Journal Paper, marine, marine biodiversity
Organization: Australian Ocean Data Network
Darwin Harbour Habitat Mapping Program multibeam bathymetry flythroughs

In December 2010, the Northern Territory Government (NTG) announced funding for high priority environmental monitoring and research activities in Darwin Harbour.  Following the announcement, the Darwin Harbour Habitat Mapping Program was developed and managed by the Department of Land Resource Management (DLRM). 
Under the Program, DLRM collaborated with GA, the Australian Institute of Marine Science (AIMS), and the Darwin Port Corporation to undertake multibeam and backscatter data acquisition for the Darwin Harbour. 
This flythough presents seabed bathymetry compilations for the Darwin Harbour in the Northern Territory. These videos are intended for potential public release. The overall objective of the INPEX Environmental Offset program `Mapping Marine and Estuarine Benthic Habitats in Darwin and Bynoe harbours is to improve knowledge of the marine habitats in the Darwin and Bynoe harbours region by producing thematic habitat maps to underpin marine resource management decisions.

Tags: Earth Sciences, Flythrough, Multimedia, NT, Published_External, bathymetry, marine, multibeam
Organization: Australian Ocean Data Network
Frontier Basins of the West Australian Continental Margin: Post-survey Report of Marine Reconnaissance and Geological Sampling Survey GA2476

This report (Record 2009/38) contains the description and preliminary analysis of datasets acquired during Geoscience Australia marine reconnaissance survey GA2476 to the west Australian margin. The survey, completed as part of the Federal Government's Offshore Energy Program, was undertaken between 25 October 2008 and 19 January 2009 using the German research vessel RV Sonne. The survey acquired geological, geophysical, oceanographic and biological data over poorly known areas of Australia's western continental margin. Data from the marine reconnaissance survey (GA2476) and the concordant regional seismic survey (GA0310) will improve knowledge of frontier sedimentary basins and marginal plateaus and allow assessment of their petroleum prospectivity and environmental significance. These data will be used to improve resource management and underpin decisions regarding future acreage release in offshore Western Australia and marine zone management.

Four key areas were targeted: the Zeewyck and Houtman sub-basins (Perth Basin), the Cuvier margin (northwest of the Southern Carnarvon Basin), and the Cuvier Plateau (a sub-feature of the Wallaby Plateau). Over the duration of the survey a total of 229,000 km2 (26,500 line-km) of seabed was mapped with the multi-beam sonar, 25,000 line-km of digital shallow seismic reflection data and 25,000 line-km of gravity and magnetic data.  A variety of sampling equipment was deployed over the duration of the survey, including ocean floor observation systems (OFOS), deep-sea TV controlled grab (BODO), boxcores, rock dredges, conductivity-temperature-depth profilers (CTD) and epibenthic sleds.  A total of 62 stations were examined throughout the survey, including 16 over the Houtman Sub-basin, 16 over the Zeewyck Sub-basin, 13 in the Cuvier margin, 12 over the Cuvier Plateau and four in the Indian Ocean.  This report is intended to provide a comprehensive overview of the survey activities, equipment used and preliminary results form survey GA2476.

Tags: AU-WA, Earth Sciences, GA Publication, Published_External, Record, bathymetry, continental margins, mapping, marine, petroleum geology, sedimentary basins
Organization: Australian Ocean Data Network
Palynostratigraphy of the Bookpurnong Beds and related Late Miocene-Early Pliocene facies in the central west Murray Basin, part 1: dinoflagellates

Dinoflagellates offer a reliable method for distinguishing the Late Miocene-Early Pliocene Bookpurnong beds from lithologically similar marginal marine sediments, such as the Winnambool Formation deposited during Oligocene-Middle Miocene transgressions. Species largely or wholly restricted to the Bookpurnong beds and correlatives in the central west Murray Basin include Melitasphaeridium aequabile, M . choanophorum, Tectatodinium psilatum , and (frequent) Tuberculodinium vancampoae. Species diagnostic of the older Murray Group correlatives, such as the Geera Clay and Winnambool Formation, include Apteodinium australiense and Pentadinium laticinctum.

Tags: Earth Sciences, GA Publication, Journal, NSW, Published_External, SA, VIC
Organization: Australian Ocean Data Network