Radial data files contain radial components of sea surface parameters measured by HF ocean radars operated by Ocean Radar (formerly known as the Australian Coastal Ocean Radar Network (ACORN)), a facility of Integrated Marine Observing System (IMOS). Regardless of the radar system (WERA or SeaSonde), the primary product is the radial component of the sea surface current along a line between the radar station and a point on the sea surface. By combining radials measured at two stations surface current vectors can be constructed. These surface current vectors can then be used to study tides, wind-driven currents and perform lagrangian particle tracking. Raw data collected at each radar site are re-processed by the facility in order to assign quality control flags to data points. This is not possible in real-time because real-time data are produced by proprietary manufacturer software without quality control flags and it is not feasible to transfer the raw data to the facility in real-time. Each radial file contains a set of standard metadata fields, such as radar system type, operating frequency and bandwidth. Other metadata fields describe radar system type-specific parameters. Radial file metadata fields are described in a separate Ocean Radar data document. In addition, for WERA radar systems, the facility provides quality controlled heights of left and right bragg peaks, from which the wind direction can be inferred.

The Deep Water Moorings Facility (formerly known as the Australian Bluewater Observing System) provides the coordination of national efforts in the sustained observation of open ocean properties with particular emphasis on observations important to climate and carbon cycle studies. This collection contains time-series observations of current velocity from moorings deployed by the facility. The primary parameters are the zonal, meridional and vertical components of the current speed within different bins in the water column, the height above the instrument of each bin, the pressure (when available) and depth at the instrument. Temperature at the instrument is also usually measured. The observations were made using a range of Acoustic Doppler Current Profiler (ADCP) and Acoustic Doppler Current Meter (single point measurement) instruments. This Deep Water Moorings' dataset includes discrete locations south of Tasmania, off Queensland and Indonesia.

Radial data files contain radial components of sea surface parameters measured by HF ocean radars operated by Ocean Radar (formerly known as the Australian Coastal Ocean Radar Network (ACORN)), a facility of Integrated Marine Observing System (IMOS). Regardless of the radar system (WERA or SeaSonde), the primary product is the radial component of the sea surface current along a line between the radar station and a point on the sea surface. By combining radials measured at two stations surface current vectors can be constructed. These surface current vectors can then be used to study tides, wind-driven currents and perform lagrangian particle tracking. A snap-shot of the radial surface current map is produced by a radar station every 10 min (WERA) or 1 h (SeaSonde). These data are uploaded to the IMOS archive in real-time. Real-time data are produced by the manufacturer of the radar station and no quality control flags are assigned by either the manufacturer or the facility at this stage. Each real-time radial file contains a set of standard metadata fields, such as radar system type, operating frequency and bandwidth. Other metadata fields describe radar system type-specific parameters. Radial file metadata fields are described in a separate facility data document. In addition, WERA radar systems provide the real-time heights of left and right bragg peaks, from which the wind direction can be inferred, and an estimate of the significant wave height. These quantities are not quality controlled because they are output from the manufacturer's software without the detail necessary for the facility to assign a quality control label.

The Deep Water Moorings facility (formerly known as the Australian Bluewater Observing System) provides the coordination of national efforts in the sustained observation of open ocean properties with particular emphasis on observations important to climate studies. This collection has both hourly- and daily depth-gridded products with currents, temperature and salinity (one file per mooring). The products are created from individual instrument files collected during six 18-month deployments in the East Australian Current (EAC) off Brisbane, Australia. The collection also includes a product for the National Mooring Network's North Stradbroke Island site, and the products at EAC0500 (500m mooring) also include data from the South East Queensland (SEQ) 400m coastal mooring. The data can be used for time series analysis of individual moorings in the EAC deployments. The observations were made using a range of temperature loggers, conductivity-temperature-depth (CTD) instruments and acoustic Doppler current profilers (ADCPs). The data has been interpolated to one-hourly intervals (hourly product) and daily intervals (daily product), and to a fixed set of target depths (both products) for each IMOS EAC mooring site. Only good-quality measurements (after application of quality control flags using the IMOS toolbox and as described in the quality control reports for each deployment) are included. This product is independent of the IMOS - Moorings - Gridded time-series product (https://catalogue-imos.aodn.org.au:443/geonetwork/srv/api/records/279a50e3-21a5-4590-85a0-71f963efab82), which is produced from binned data (in time), and utilises all temperature records including ADCP temperatures. The CSIRO gridded product uses only high quality temperature from the Seabird and temperature logger instruments. In addition, where current observations overlap in depth, the data is selected based on a set of criteria as specified in the product documentation.

As part of the project Predicting the Coastal Marine Environment, the impacts of natural and human-induced factors on the status, evolution and physical degradation of coral reef ecosystems are assessed using observational studies and predictive models. The effects of physical processes such as waves, tides, turbulent flows and circulation around coral reefs, acting in concert with non-conservative chemical processes and active behaviours of marine larvae are taken into account to develop new understandings of their interactions and effects on the dispersal and evolution of coral reef organisms and structures. New elements in this project are the studies of the flow induced by waves and their impact on the flushing of the reef and mixing processes on the reef top. In situ data on physical factors (waves, currents, tidal levels) are acquired from deployments of oceanographic instruments and used to verify numerical modelling results. The aim of this study was to obtain a comprehensive data set on the physical oceanographic processes that influence the circulation and flushing of the reefs in this region. The data obtained will now be utilised to verify theoretical and numerical models of these oceanographic processes, such that these models can be generically applied to the Ningaloo Reef region as a whole.

Wave height, direction and sea surface temperature are recorded daily at 12 sites on the Coast of Queensland. Cairns, Weipa, Townsville, Mackay, Hay Point, Emu Park, Moreton Bay, Brisbane, Gold Coast, Tweed River, Caloundra, Mooloolaba are monitored daily by waverider buoys fitted with a accelerometer. This website also contains data from Storm surges from Mornington Island down to Caloundra.

The Acidification Moorings sub-facility is responsible for building an ocean carbon and acidification monitoring network for Australian waters. These moorings provide key observations to help us understand and address the problem of increasing ocean acidification. Each mooring is equipped with surface CO2 systems, using proven and robust technology. Three sensors will determine surface CO2, temperature and salinity. The hydrochemistry sampling at the National Reference Stations will also provide total alkalinity data, as will future pH sensors on the moorings, allowing for a complete determination of the carbonate system and pH. Acidification moorings are co-located at three National Reference Stations: * the Yongala NRS in Queensland (replaced in September 2013 after Tropical Cyclone Yasi) (instrumentation: Battelle Seaology pCO2 monitor, Aanderaa Oxygen Optode and a WETLabs WQM) * the Maria Island NRS in Tasmania (instrumentation: Battelle Seaology pCO2 monitor, Aanderaa Oxygen Optode and Sea-bird Electronics, model SBE16plus V2 SEACAT), and * the Kangaroo Island NRS in South Australia (removed in June 2013, and redeployed in May 2014) (instrumentation: Battelle Seaology pCO2 monitor, Aanderaa Oxygen Optode and Sea-bird Electronics, model SBE16plus V2 SEACAT). A fourth acidification mooring is located adjacent to the Heron Island reef slope in the Wistari channel on the Great Barrier Reef (instrumentation: Battelle Seaology pCO2 monitor, Aanderaa Oxygen Optode and Sea-bird Electronics, model SBE16plus V2 SEACAT). The Yongala, Wistari and Maria Island acidification moorings are located to characterise changes down the east coast of Australia and the influence of the East Australian Current on CO2 uptake and acidification from the Great Barrier Reef to the Southern Ocean. The Kangaroo Island mooring monitors the deeper waters upwelled on the South Australian shelf which are expected to have higher CO2 and thus could accelerate the exposure of ecosystems to acidification earlier than in other regions.

This study was initiated to observe physical and biological processes on a range of time scales (seasonal to hourly) within the shelf and slope domain spanning Ningaloo Reef, the entrance to Exmouth Gulf and north as far as Thevenard Island off Onslow. The study was interdisciplinary and involved physical oceanographic, ocean colour/primary productivity and fisheries dispersal studies. Only the physical oceanographic sampling by AIMS is outlined here. Instrumentation was provided by other organisations in order to allow a suitable sampling array.

The Nora Creina (NOCR) HF ocean radar site (37.329 S 139.850 E) is one of two HF ocean radars covering the Bonney Coast, South Australia. The other HF ocean radar station is at Blackfellows Cave. The HF ocean radar coverage is from the coast to beyond the edge of the continental shelf. The NOCR HF ocean radar is a SeaSonde crossed-loop direction finding array. This radar operates at a frequency of 5.211 MHz, with a bandwidth of 50 KHz, a maximum range of 200 Km and a range resolution of 3 Km. The antenna bearing is 255 deg true east of north (approximately west by south-west). Within the HF radar coverage area surface current radials are measured. This station was decommissioned in March 2017.

The Guilderton (GUI) HF ocean radar site (31.342 S, 115.489 E) is one of two HF ocean radars covering Rottnest Shelf and Perth Canyon off the coast north of Perth. The other HF ocean radar station is at Fremantle. The HF ocean radar coverage is from the coast to beyond the edge of the continental shelf. The GUI HF ocean radar is a WERA phased array system with a 16-element receive array. This radar operates at a frequency of 8.512 MHz, with a bandwidth of 33 KHz, a maximum range of 200 Km and a range resolution of 4.5 Km. Azimuthally the radar covers a sweep 60 deg either side of a bore sight direction of 230 deg true east of north (approximately south-west). Within the HF radar coverage area surface current radials are measured. Data are also collected from which wind directions and significant wave height can be calculated.