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Introducing an Integrated Marine Observing System for Australia (IMOS). Gary Meyers (IMOS Director) and John Middleton (SAIMOS). IMOS Strategic Goal. Assemble and provide free, open and timely access to streams of data that support research on The role of the oceans in the climate system

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Introducing an integrated marine observing system for australia imos

Introducing an Integrated Marine Observing System for Australia (IMOS)

Gary Meyers (IMOS Director) and John Middleton (SAIMOS)

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Imos strategic goal

IMOS Strategic Goal

  • Assemble and provide free, open and timely access to streams of data that support research on

  • The role of the oceans in the climate system

  • The interaction between major boundary currents and shelf environments and ecosystems

  • And in the longer term

  • Supports policy development, management of marine and terrestrial climate impacts and adaptation by industries


Introducing an integrated marine observing system for australia imos

IMOS Funding:

  • $50M cash from Commonwealth

  • Additional $40M cash and in-kind support from marine agencies around Australia

    IMOS Development:

  • National Science Plan priorities workshopped in 2006

  • Local science plans (with equipment needs) developed

  • Envelopes for equipment allocations developed

  • Agreement of who runs what facilities and what “nodes” are allocated facilities.

  • Plan strongly supported and funded by Aust. Govt. National Collaborative Research Infrastructure Strategy


Imos 5 nodes and 11 facilities goals onshore offshore interaction climate impacts

IMOS—5 Nodes and 11 FacilitiesGoals: onshore-offshore interaction, climate impacts

GBROOS

WAIMOS

NSWIMOS

SAIMOS


Introducing an integrated marine observing system for australia imos

Water depth 110 m

Met Station

  • National Reference Stations

  • Key components:

    • Real Time Data sent via satellite

    • 2x CTDs

    • 1x ADCP (SAIMOS, NSWIMOS only)

    • 1x Surface Meteorological Station

Communications via acoustic modem

ADCP


Introducing an integrated marine observing system for australia imos

Reference Stations

RS

RS


National reference station monthly biogeochemical sampling

National Reference Station - Monthly Biogeochemical Sampling

  • Carbon Parameters: Dissolved Inorganic Carbon, Alkalinity

    2. Hydrochemical parameters: Nitrate/nitrite, silicate,phosphate,salinity

    3. Biological parameters: Phytoplankton: pigment composition, microscopy, genetic composition, total suspended solids

    Flow cytometry (population size, physical and chemical composition)

    Zooplankton: dry Weights, community composition, genetic composition

    4.Physical/profiling instrument measurements: CTD with capabilities for:

    Temperature, Pressure (depths), Conductivity, Fluorescence, Light (PAR), Turbidity, Dissolved Oxygen


Aust coastal ocean radar network six systems wera codar

Aust. Coastal Ocean RADAR Network – six systems (WERA&CODAR)

WERA Installation

Radar is back reflected by ocean waves. The Doppler shift in Radar frequencies enables surface currents and other variables to be measured.


Introducing an integrated marine observing system for australia imos

HF Ocean RADAR Example From South Carolina

Live current measurements every 30 minutes from the WERA system off South Carolina (US).

Strong North-East Velocities associated with the Gulf Stream are clearly visible

Note: range is better during day


Introducing an integrated marine observing system for australia imos

Aust. National Facility for Ocean Gliders

8 gliders (Slocum and deep)


Introducing an integrated marine observing system for australia imos

Glider Cross-Section: Temperature

OffPerth

Play Movie


Introducing an integrated marine observing system for australia imos

Other IMOS observing systems

Passive acoustic listening for sea-floor slumps, Antarctic Ice

collapse and marine mammals using hydrophones

Pygmy Whale singing off Perth

AUV (hulls removed) for sea floor video and mapping


Introducing an integrated marine observing system for australia imos

Moorings detect tagged fish < 1km

6 month service to obtain data

Tagged Fish: AATAMS and community receivers

SAIMOS

Glenelg 10 moorings

Portland 31 moorings


Bluewater node

Bluewater Node:

Major research questions:

  • What is the role of the ocean in weather, climate variability and change?

  • What role does the ocean play in setting atmospheric carbon levels?

  • Where and how does ocean and climate variability impact on pelagic ecosystems, their productivity and fisheries?

  • How do large-scale offshore changes affect our coastal environment and ecosystems?

  • Is there predictability in the system and where? On what timescales?

    Tools

  • ARGO Floats

  • Ships of Opportunity

  • Satellites

  • S.O. Mooring


Imos argo

IMOS Argo

  • 50 T/S Argo floats per year (assuming a continuation of existing contributions from AGO, CSIRO and BoM)


Introducing an integrated marine observing system for australia imos

Implementation


Introducing an integrated marine observing system for australia imos

West Australian IMOS

  • Leeuwin Current eddies and their interaction with the shelf waters.

  • Western Rock lobster recruitment

  • The Perth Canyon – highest biodiversity with whale and fish aggregations, high primary and secondary production which are controlled by the physical oceanographic processes

Leeuwin Current

0

200km

Jurien Bay

Perth

Canyon

Rottnest

Island

Leeuwin UC


Southern australian imos cross shelf exchange ecosystems

Southern Australian IMOS- cross shelf exchange/ecosystems

  • Summer:

  • Upwelling - Deep cold, water is brought to surface

  • Mechanisms: winds

  • canyons

  • Flinders Current

  • Winter:

  • Density current outflows from gulfs and coast

Sea Surface Temperature from satellite measurements


Introducing an integrated marine observing system for australia imos

Planned SAIMOS Infrastructure:

  • HF Radar

  • Shelf/Slope Moorings

  • Reference Station

  • CTD Stations

  • PLUS

  • Gliders

  • Fish tag curtains

  • AUVs


Nsw imos the eac and upwelling

NSW IMOS – The EAC and upwelling:

Oke & Middleton 02


Introducing an integrated marine observing system for australia imos

Climate change (East Coast, Tasmania) …

Mean sea surface temperature (deg C)

Mean surface salinity (ppt)

After Hill et al. 2007


Introducing an integrated marine observing system for australia imos

  • Issues for GBR function and health

  • Connectivity (currents)

  • Productivity (upwelling)

  • Coral bleaching (temperature)

  • Coral calcification (carbonate chemistry)

Great Barrier Reef Ocean Observing System

GBROOS


Introducing an integrated marine observing system for australia imos

SEC = South Equatorial Current

EAC = East Australian Current

SEC

SEC

Coral Sea mooring (1)

Slope moorings (4)

Shelf mooring (1)

Oceanographic buoys (3)

Island Research Stations (4)

Reef towers (3)

HF Radar

Temp/Salinity

Flow

Light & heat fluxes

Chlorophyll

Turbidity

Particulate carbon

Local variables (sensor networks)

EAC


Introducing an integrated marine observing system for australia imos

Planned IMOS Coastal Deployments

G

R

A

A


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