AndreaBozzo/ceres-open-data-index huggingface dataset:
Port Curtis Integrated Monitoring Program - Water Quality

PCIMP monitors across 15 sampling zones (54 water sites) in Port Curtis to assess the water quality and health of Port Curtis, with sites ranging from the Narrows in the north to Colosseum Inlet in the south. Included in the zones are sites within the State and Great Barrier Reef Marine Park zones.Water is sampled quarterly (March, June, September, December) at each of the 54 sites. Physiochemical parameters (pH, dissolved oxygen, turbidity, conductivity, salinity, temperature and light) are measured in situ and water samples are analysed for a range of nutrients and metal concentrations to assess the water quality of the harbour. The quality of the data is assured by analysing duplicate and triplicate samples from a number of sites and the analysis is performed by a National Association of Testing Authorities (NATA) accredited laboratory.

Organization: Australian Ocean Data Network
Summaries of other papers presented

Abstracts: 'Models of sulphide ore formation in sedimentary rocks', Gustafson, L.B.; 'Metal sources and fixation in some stratiform deposits' Lambert, I.B.; 'addle dolomite gangue: an indicator of epigenetic mineralisation in sediments', Radke, B.M.; 'Lead isotopic systematics of sediment-hosted Pb-Zn deposits', Vaasjoki, M. and Gulson, B.L.; 'Mechanisms of sulphide deposition in sediment-hosted exhalative lead-zinc deposits', Russell, M.J., Solomon, M. and Walshe, J.L.; 'The Coxco deposit: lead-zinc mineralisation in a Precambrian karst cavern system', Walker, R.N.; 'Stratiform copper mineralisation - settings and environments', Rowlands, N.; 'Mount Isa copper orebodies - evidence against a sedimentary origin', Perkins, W.G.; 'Relationship of copper to lead-zinc ore bodies and source of copper at Mount Isa, Queensland', Gulson, B.L., Perkins, W.G. and Mizon, K.J.; 'Chemical and mineralogical constraints on the genesis of mineralisation in the Mount Gunson region, South Australia', Knutson, J.; 'Diagenetic mineralisation in the Wollogorang Formation McArthur Basin, Northern Territory', Jackson, M.J.; 'Studies of modern sedimentary environments as an exploration aid', van der Borch, C.; 'Distribution of metals in sediments', Warren, L.J.; 'Determination of dissolved sulphide in marine sediments', Hauser, J.; 'Sulphate reduction in coastal marine sediments: magnitude and controls', Wiebe, W.J.; 'Sulphate reduction in modern sediments and implications for ore formation', Skyring, G.W.; 'Early diagenesis in some deep sea sediments, northeast Indian Ocean', Cook, P.J., Chambers, L.A. and Trudinger, P.A.; 'Sulphur isotope distributions and the depositional environment', Chambers, L.A.; 'Precambrian sulphur isotopes: implications for the global sulphur cycle', Donnelly, T.H.; 'Diagenesis of organic matter in shallow marine sediments: an experimental study', Bubela, B; 'Sources of organic matter in Precambrian sediments', Walter, M.R.

Tags: Earth Sciences, GA Publication, Journal, Published_External
Organization: Australian Ocean Data Network
Origin of Petroleum in the Bowen and Surat Basins : Implications for Source, Maturation and Migration

natural gases and 130 core samples from potential source rocks enable resolution of the generation and migration history of petroleum in the Bowen and Surat basins. Biomarker analysis confirmed a pre-Jurassic source for the petroleum.Stable carbon-isotope analysis further indicated a Permian-sourced petroleum and was able to differentiate a very minor and localised Triassic source contribution.The dominant source for the petroleum is terrestrial land plants as well as a minor marine source influence. Lower delta plain and alluvial Permian coals show thehigher liquid potential compared with upper delta plain facies. Initial liquid expulsion from the source rock occurred at vitrinite reflectance 0.65-0.7% and continued to Ro of 1.05%. This was followed by the main phase of gas generation between1.05c/o&lt;Ro&lt;1.4%. The gas generation enabled remobilisation of liquid petroleum for further migration. Biodegradation occurred throughout the basins' petroleummigration history, resulting in an initial regional phase of heavy palaeobiodegradation followed by a second phase of more localised and less intense in-reservoir alteration.

Tags: AU-QLD, Earth Sciences, GA Publication, Published_External, Record, petroleum geology, sedimentary basins
Organization: Australian Ocean Data Network
Browse Shelf Reef Polygons

Browse Shelf reef polygons were manually digitized from multibeam echosounder datasets collected on marine survey GA0345/GA0346/TAN1411 in October/November 2014. Reef areas were defined as exposed, hard substrate that are often raised above the surrounding seafloor. The continental shelf was defined using the 200 m depth contour. They were mapped using bathymetry and backscatter data along with bathymetric derivatives including; slope, hillshaded bathymetry and contours. Features were mapped at a scale of 1:10 000. This dataset is published with the permission of the CEO, Geoscience Australia.

Tags: Published_External, Western Australia, continental shelf, geomorphology, gis, key ecological feature, marine environmental baseline, reef
Organization: Australian Ocean Data Network
Multiple field-based methods to assess the potential impacts of seismic surveys on scallops

Marine seismic surveys are an important tool to map geology beneath the seafloor and manage petroleum resources, but they are also a source of underwater noise pollution. A mass mortality of scallops in the Bass Strait, Australia occurred a few months after a marine seismic survey in 2010, and fishing groups were concerned about the potential relationship between the two events. The current study used three field-based methods to investigate the potential impact of marine seismic surveys on scallops in the region: 1) dredging and 2) deployment of Autonomous Underwater Vehicles (AUVs) were undertaken to examine the potential response of two species of scallops (Pecten fumatus, Mimachlamys asperrima) before, two months after, and ten months after a 2015 marine seismic survey; and 3) MODIS satellite data revealed patterns of sea surface temperatures from 2006–2016. Results from the dredging and AUV components show no evidence of scallop mortality attributable to the seismic survey, although sub-lethal effects cannot be excluded. The remote sensing revealed a pronounced thermal spike in the eastern Bass Strait between February and May 2010, overlapping the scallop beds that suffered extensive mortality and coinciding almost exactly with dates of operation for the 2010 seismic survey. The acquisition of in situ data coupled with consideration of commercial seismic arrays meant that results were ecologically realistic, while the paired field-based components (dredging, AUV imagery) provided a failsafe against challenges associated with working wholly in the field. This study expands our knowledge of the potential environmental impacts of marine seismic survey and will inform future applications for marine seismic surveys, as well as the assessment of such applications by regulatory authorities.

Citation: Rachel Przeslawski, Zhi Huang, Jade Anderson, Andrew G. Carroll, Matthew Edmunds, Lynton Hurt, Stefan Williams, Multiple field-based methods to assess the potential impacts of seismic surveys on scallops, Marine Pollution Bulletin, Volume 129, Issue 2, 2018,Pages 750-761, ISSN 0025-326X, 
https://doi.org/10.1016/j.marpolbul.2017.10.066.

Tags: EARTH SCIENCES, Gippsland Basin, Published_External, bivalve, invertebrate, noise impacts, remote sensing
Organization: Australian Ocean Data Network
National Gravity Compilation 2019 DGIR 1VD grid

Gravity data measure small changes in gravity due to changes in the density of rocks beneath the Earth's surface. The data collected are processed via standard methods to ensure the response recorded is that due only to the rocks in the ground. The results produce datasets that can be interpreted to reveal the geological structure of the sub-surface. The processed data is checked for quality by GA geophysicists to ensure that the final data released by GA are fit-for-purpose. This National Gravity Compilation 2019 DGIR 1VD grid is produced from the 2019 Australian National Gravity Grids A series. These gravity data were acquired under the project No. 202008. The grid has a cell size of 0.00417 degrees (approximately 435m). The data are derived from ground observations stored in the Australian National Gravity Database (ANGD) as at September 2019, supplemented by offshore data sourced from v28.1 of the Global Gravity grid developed using data from the Scripps Institution of Oceanography, the National Oceanic and Atmospheric Administration (NOAA), and National Geospatial-Intelligence Agency (NGA) at Scripps Institution of Oceanography, University of California San Diego. Out of the approximately 1.8 million gravity observations, nearly 1.4 million gravity stations in the ANGD together with marine data were used to generate this grid. The ground gravity data used in this grid has been acquired by the Commonwealth, State and Territory Governments, the mining and exploration industry, universities and research organisations from the 1940's to the present day. Station spacing for ground observations varies from approximately 11 km down to less than 1 km, with major parts of the continent having station spacing between 2.5 and 7 km. The grid shows the first vertical derivative of the de-trended global isostatic residual anomalies (A series) over Australia and its continental margins. The original DGIR was obtained by subtracting 3 quantities (i.e., the near-field isostatic correction, the far-field isostatic correction, and a first order trend correction) from Complete Bouguer Anomaly data (CBA) of the 2019 Australian National Gravity Grids A series. A first vertical derivative was calculated by applying a fast Fourier transform (FFT) process to the DGIR grid of the 2019 Australian National Gravity Grids to produce this grid.

Tags: 1vd, A series, Australia, EARTH SCIENCES, Earth sciences, GADDS2.0, NCI, None, Published_External, de-trended, first vertical derivative, geophysical survey, geophysics, grav, gravity, grid, ground digital data, isostatic, marine data, national, raster, residual, satellite data, survey 202008
Organization: Australian Ocean Data Network
Seabed morphology and geomorphology of Cairns Seamount within the Coral Sea Marine Park, north-eastern Australia, Version 1 MapServer

This ESRI map (web) service contains geospatial seabed morphology and geomorphology information for Cairns Seamount within the Coral Sea Marine Park and are intended for use by marine park managers, regulators, the general public and other stakeholders. This web service uses the data product published in McNeil et al. (2023); eCat Record 147998.

Tags: Geomorphology, Geomorphology and Earth Surface Processes, MapServer, Mapping, Morphology, Parks Australia, Published_External, Seabed, Spatial, web service
Organization: Australian Ocean Data Network
Geology of the Stillwell Hills

The Stillwell Hills region comprises granulite facies gneisses which record evidence for multiple periods of deformation and metamorphism spanning more than 2500 Million years. The predominant orthogneiss package (Stillwell Orthogneiss) represents the margin of an Archaean craton exposed in Enderby Land, some 150 km to the west that was reworked during the late Proterozoic. Younger additions to the crust include Palaeoproterozoic charnockitic gneiss (Scoresby Charnockite) and Meso-Neoproterozoic mafic sills and dykes (Point Noble Gneiss, Kemp Dykes) and felsic pegmatites (Cosgrove Pegmatites). Subordinate supracrustal rocks, including metaquartzite, metapelitic, metapsammitic and calc-silicate gneiss (Dovers Paragneiss, Sperring Paragneiss, Stefansson Paragneiss, Keel Layered Paragneiss, Ives Gneiss) are intercalated and interfolded with the Archaean-Palaeoproterozoic orthogneisses.

Tags: 25K scale, AQ, Antarctic data, Geological Map, Geology, Published_External, geology, marine
Organization: Australian Ocean Data Network
BRUVS (TM) - Fish and Benthic survey of South Scott Reef Lagoon: Maxima Survey 2007-08-27 to 2007-09-22

The dataset comprises 14003 individuals from 208 species of fishes, sharks, rays and sea snakes observed at around South Scott Reef Lagoon: Maxima Survey using 160 baited remote underwater video stations (BRUVS(TM)). 1896 images were captured from these cameras.

Approximately 3500 of the best images from all BRUVS (TM) projects are stored in a reference library.

Data recorded concern:
- classification of the habitat in the field of view (topography, sediments, benthos)
- the identity of fish and CAABCODES
- their time of arrival
- their behaviour (8 categories, including feeding on the bait)
- their maturity (adult or juvenile)
- their relative abundance (as MaxN = the maximum number visible at one time, or distinguishable at different times as separate individuals e.g. much larger/smaller, male/female)
- the time elapsed before MaxN and feeding occurs.

A custom interface has been developed by AIMS staff, using Microsoft Access, for reading and analysis of BRUVS(TM) tapes.

Organization: Australian Ocean Data Network
Unconventional hydrocarbons - Australia's old rocks prove their worth

Australia’s search for petroleum began in the onshore basins where extensive areas of Paleozoic marine sequences, with some high-quality source rock intervals and spectacular outcrop, encouraged sporadic exploration for many decades. For these efforts, there were some rewards, including the discovery of the Mereenie oil field in Ordovician rocks, the Amadeus Basin in 1960s, and the Blina discovery in Devonian carbonates in the Canning Basin during the early 1980s. Since the late 1980s, however, the focus of exploration has shifted offshore where more and larger discoveries were made in the Mesozoic marginal basins, which today contain about 90% or more of Australia’s conventional oil and gas. Now, however, the focus has shifted back to the onshore, recognising the potential for shale and tight gas and oil in these older rocks. The onshore basin area under exploration license has nearly doubled from 2010 to 2012; several major international companies have joined local explorers in testing the worth of Australia’s lower Paleozoic and Proterozoic petroleum systems, and new discoveries have been made in several basins. Geoscience Australia and its partners in the state and NT surveys are undertaking new assessments and studies across a number of these basins.

Extended abstract and presentation prepared for the APPEA Conference &amp; Exhibition 2013, Brisbane. 

Citation: Bradshaw, M., Carr, L., Edwards, D.S., Hall, L., Laurie, J.R. 2013. Unconventional hydrocarbons - Australia's old rocks prove their worth. The APPEA Journal 53(2) 472-472 https://doi.org/10.1071/AJ12083

Tags: Amadeus Basin, Australian Paleozoic basins, Canning Basin, Conventional Hydrocarbons, Crude oils, Earth Sciences, External Publication, Georgina Basin, Molecular Biomarkers, Petroleum Supersystems, Published_External, Shale gas, Unconventional Hydrocarbons
Organization: Australian Ocean Data Network
Treaties - Australian Maritime Boundaries 2020 (AMB2020) - Geodatabase

Geoscience Australia has the primary role in the delineation of Australia's domestic and international maritime limits and boundaries. An output of this activity is the development of the Australian Maritime Boundaries (AMB) data. AMB is a GIS data product, providing access to the data for Australia's maritime zones. 

Treaties - Australian Maritime Boundaries Dataset 2020 is a digital representation of Australia's international treaty boundaries. In the event of an inconsistency between AMB data and the limits under any treaty, the latter prevails. The data have been published by Geoscience Australia in consultation with other relevant Commonwealth Government agencies including the Attorney-General's Department, the Department of Foreign Affairs and Trade and the Australian Hydrographic Office. 

Treaties - Australian Maritime Boundaries Dataset 2020 has been updated to include the 2018 Australia Timor-Leste Maritime Boundaries Treaty. The Area of Overlapping Jurisdiction has been revised in accordance with the 2018 Timor-Leste Treaty.  The Australia - Indonesia MOU and PFSEL boundaries have been harmonized to WGS84.  There has been no change to any other treaty boundaries, however, for version control they have been reissued as part of the AMB2020 epoch.

Product Specifications Coverage: Australia including all external territories 
Currency: June 2020. 
Coordinates: Geographical Datum: GDA94 (functionally equivalent to WGS84). 
Format: ESRI Geodatabase and REST web service - free online.

The area of coverage of the Treaties - Australian Maritime Boundaries Dataset 2020 is for the whole of the Australian marine jurisdiction which includes waters adjacent to the mainland, offshore islands and External Territories.  The geographical extent is approximately between the latitude limits of 8 S to 70 S and the longitude limits 39 E to 174 E.

This dataset includes the following disclaimers:
AMB data is a digital representation of the international maritime boundary treaties of Australia.  In the event of an inconsistency between AMB data and the limits under the various treaties, the latter prevails.

Tags: AU, GIS Dataset Thematic, Geospatial Information Systems, HVC_144653, Published_External, marine
Organization: Australian Ocean Data Network
The Search for Flight MH370 - Phase 2 Raw and Processed Data

On behalf of Australia, and in support of the Malaysian accident investigation, the Australian Transport Safety Bureau (ATSB) led search operations for missing Malaysian Airlines flight MH370 in the Southern Indian Ocean. Geoscience Australia provided advice, expertise and support to the ATSB to facilitate marine surveys, which were undertaken to provide a detailed map of the sea floor topography to aid navigation during the underwater search. Prior to the Phase 1 bathymetric survey, very little was known about the sea floor in the MH370 search area, as few marine surveys have taken place in the area. Existing maps of the sea floor were coarse, having been derived from satellites and only providing a general indication of water depth. Before the underwater search for MH370 could begin, it was necessary to accurately map the sea floor to ensure that the search was undertaken safely and effectively. Survey vessels spent months at sea, scanning the sea floor with multibeam sonar and side scan sonar to gather detailed, high-resolution data.

This collation of datasets contains the high resolution raw and processed data acquired during Phase 2 of the search for MH370 as received by third party operators. The Phase 2 underwater search data was acquired by multiple vessels, including the Fugro Equator, Fugro Supporter, Fugro Discovery, Havila Harmony, Dong Hai Jiu 101 and Go Phoenix. Surveys were conducted using towed and autonomous underwater vehicles between September 2014 to January 2017, collecting over 121,000 square kilometres of high resolution data in the search area.

All material and data is subject to copyright. Please note the creative commons copyright notice and relating to the re-use of this material. Geoscience Australia's preference is that you attribute the datasets (and any material sourced from it) using the following wording: Source: Governments of Australia, Malaysia and the People's Republic of China, 2018. MH370 Phase 2 data - Raw and processed.

We honour the memory of those who have lost their lives and acknowledge the enormous loss felt by their loved ones.

Tags: MH370, Published_External, bathymetry, marine, sidescan sonar
Organization: Australian Ocean Data Network
Sea Surface Temperature Warming Rates in Australian Marine Parks according to the SSTAARS

This dataset measures the mean decadal warming rates of the sea surface temperature (SST) in 58 Australian Marine Parks (with the exception of the Heard Island and McDonald Islands Marine Park) over the past 25 years (1992 to 2016). They are derived from the Sea Surface Temperature Atlas of the Australian Regional Seas (SSTAARS). The field of “trend_d” represents the linear SST trend for March 1992 to December 2016. The unit of the warming rates is Celsius degree/per decade.

This research is supported by the National Environmental Science Program (NESP) Marine Biodiversity Hub through Project D1.

Tags: Marine Biodiversity Hub, Marine Park, National Environmental Science Program, Published_External, Remote Sensing, SST
Organization: Australian Ocean Data Network
Recalibrating Australian Triassic palynostratigraphy to the international geologic timescale using high resolution CA-IDTIMS dating.

The Triassic is an important interval for Australian petroleum exploration, with Middle to Upper Triassic Mungaroo Formation reservoirs in the Northern Carnarvon Basin, and recent Lower Triassic discoveries in the Roebuck Basin. The chronostratigraphic understanding of Triassic petroleum systems is underpinned by biostratigraphic dating using palynological zonations. The numerical ages of these zones are usually assigned through inference and interpolation, often via tenuous correlations to the international geologic timescale using scattered marine biota, (primarily foraminifera, and rare ammonites, conodonts and/or dinoflagellates). In contrast, we tie Australian biozones to the timescale through Chemical Abrasion-Isotope Dilution Thermal Ionisation Mass Spectrometry (CA-IDTIMS) dating of interbedded volcanic tuffs. Such ashfalls are reasonably common in Australian basins, and can provide high-precision CA-IDTIMS ages if they contain magmatic zircons. We recently recalibrated Australian middle and late Permian palynozones using this approach and preliminary results suggest that Triassic biozone ages are likewise in need of considerable revision We have targeted Triassic tuffs across Queensland, (Tarong beds, Brisbane Tuff, Moolayember Formation, Rewan Group), New South Wales (Garie Formation, Coal Cliff Sandstone, Milligan Road Formation), and Tasmania (upper Triassic coal measures) to provide numerical ages for palynozones. Additional dates in New Zealand (Murihiku Supergroup) and Timor-Leste (Wailuli Formation) will allow international correlation of dinocyst and spore-pollen zones. Numerical constraints for Triassic biozone boundaries facilitate correlation of Australian biozones with the international geologic timescale. This can impact burial history models used in petroleum exploration anywhere these biozones are used, often far beyond the basins from which the samples were collected.

Tags: Biostratigraphy, Earth Sciences, Published_External, geochronology
Organization: Australian Ocean Data Network