session 4a - in situ sustained eulerian observatories
DESCRIPTION
Session 4A - In situ Sustained Eulerian Observatories. Richard Lampitt (1) & Paolo Favali (2) (1) National Oceanography Centre Southampton, UK (2) Istituto Nazionale di Geofisica e Vulcanologia, Italy. This presentation: 1: Rationale behind fixed platforms 2: Current state - PowerPoint PPT PresentationTRANSCRIPT
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Session 4A - In situSession 4A - In situ
Sustained Eulerian ObservatoriesSustained Eulerian Observatories
Richard Lampitt Richard Lampitt (1)(1) & Paolo Favali & Paolo Favali (2)(2)
(1)(1) National Oceanography Centre Southampton, UK National Oceanography Centre Southampton, UK
(2)(2) Istituto Nazionale di Geofisica e Vulcanologia, Italy Istituto Nazionale di Geofisica e Vulcanologia, Italy
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This presentation:
1: Rationale behind fixed platforms
2: Current state
3: A vision for the future
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In order to explore the time changing properties of the oceanic environment, sustained observations are essential at a sufficiently high frequency
These provide the means to examine complex interrelations between processes and properties:
- Short-time scales (minutes, hours to days)
- Longer-time scales (annual to decadal)
A key attribute of many current fixed observatories is that they are real-time multidisciplinary interactive and some cover several environments from the top of the ocean to the seabed beneath
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• Role of the Ocean in ClimateRole of the Ocean in Climate• Turbulent mixing and Biophysical interactionsTurbulent mixing and Biophysical interactions• Ecosystem dynamics and BiodiversityEcosystem dynamics and Biodiversity• Fluids and Life in the Ocean Crust Fluids and Life in the Ocean Crust • Dynamics of lithosphere and Imaging Earth’s interiorDynamics of lithosphere and Imaging Earth’s interior
Scientific ThemesScientific Themes
http://www.oceanleadership.org/ocean_observing
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EQ faults
magma chambersMantle
convection
geodetic spreading
hydrothermalism
Time & Space scales of major ocean and earth processesTime & Space scales of major ocean and earth processes
Redrawn from figure courtesy of Dudley Chelton, Oregon State University (see also Dichey & Chang, 2001)
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Interdisciplinary research prioritiesInterdisciplinary research priorities
• Physical oceanography water mass characterisation, water column processes, thermodynamics, ice cover, climatology, and impacts on climate change
• Biogeochemistry global carbon cycle and elemental cycling within the ocean through both physical and biological processes, and ocean acidification
• Marine ecology distribution and abundance of sea life, ocean productivity, biodiversity, ecosystem function, living resources, and climate feedbacks• Geoscience transfer from Earth’s interior to the crust, hydrosphere and biosphere, fluid flow and gas seepage through sediments and gas hydrate, non-living resources, sediment transfer to deep-sea and climate change
• Geo-hazards earthquake and tsunami hazard, volcanic hazard, slope instability and failure
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BenefitsBenefits Public PolicyPublic Policy
– EnvironmentalEnvironmental– ResourcesResources– Public health and safetyPublic health and safety– SecuritySecurity
Economic DevelopmentEconomic Development– Growth of marine technology industryGrowth of marine technology industry– Innovative technologiesInnovative technologies– TourismTourism
Education and Public EngagementEducation and Public Engagement
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Fixed platforms are required for:
high power requirements
real-time requirements
sample collection
deep ocean
benthic boundary layer studies
seafloor processes (i.e. interactions geo- bio- hydro- sphere)
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What are fixed stationary platformsWhat are fixed stationary platforms??
Unmanned, multi-sensor platforms to make measurements from above the air-sea interface to below the seafloor, and with different configurations related to the communications:
1)1) Stand-alone and delayed modeStand-alone and delayed mode
2) 2) Mooring and seafloor platforms with Mooring and seafloor platforms with acoustic acoustic /cabled capabilities/cabled capabilities
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Surface to seafloor
•Temperature• Salinity• Currents• Nutrients• Chl-a• CO2
• Particle flux•Benthic studies
*Real-Time Telemetry
Mooring with satellite comm.
GEOSTARGEOSTAR
MODUSMODUS
Acoustically linked
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Cabled configuration
NRC, 2003
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This presentation:
1: Rationale behind fixed platforms
2: Current state
3: A vision for the future
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An example of coastal fixed observatories: US IOOS
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A global network of Deep ocean Eulerian observatories
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List of Minimal Variable Set for OceanSites
1. Water current at 15m depth
2. CTD in and below upper mixed layer (UML) (>10 sensors)
3. PCO2 near surface
4. O2 in and below UML (~ 6 sensors)
5. Nitrate (one in UML and one below it)
6. Irradiance (above water and at two in situ depths)
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Locations with core set of variables in 2 years
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KKöörtzinger et al., 2008trtzinger et al., 2008t
Surface PCO2 at PAP (2003/2004)
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EMSO
NEPTUNE (Canada)
DONET (Japan)
MACHO (Taiwan)
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MARS(USA)
VENUS(Canada)
OOI(USA)
DART(USA)
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International Seafloor
Observatories
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TaiwanTaiwan
http://macho.ncu.edu.tw/
1999-2004 M ≥ 3
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JAMSTEC initiatives , the example of: initiatives , the example of: DONETDONET - Dense O ceanfloor N etwork system for Earthquakes and Tsunamis
JAMSTEC initiatives , the example of: initiatives , the example of: DONETDONET - Dense O ceanfloor N etwork system for Earthquakes and Tsunamis
http:// www.jamstec.go.jp/jamstec-e/maritec/donet/
Accelerometers
Sensors
Broadband seismometers
Pressure gauges
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800 km backbone cable loop (100 ÷ 2700 m w.d.)
North East Pacific Time-series Underwater
Networked Experiments
North East Pacific Time-series Underwater
Networked Experiments
http://www.neptunecanada.com/
Canada
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EMSO, a Research Infrastructure of the ESFRI Roadmap (European Strategy Forum on Research Infrastructures), is the European network of seafloor observatories linked with ESONET-NoE
http://www.esonet-emso.org/
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Running S&T activities
Advanced ESONET/EMSO sites
Test sites (shallow water)
Permanent infrastructures
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MARS Monterey Accelerated
Research System
Ocean Observatories InitiativeOcean Observatories Initiative (USA)Ocean Observatories InitiativeOcean Observatories Initiative (USA)
OOI components:
1) Global network of buoys
2) Regional Scale Nodes
3) Coastal
4) Cyberinfrastructure, connecting & coordina-ting the 3 OOI
http://www.oceanleadership.org
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This presentation:
1: Rationale behind fixed platforms
2: Current state
3: A vision for the future
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GoalsGoals Novel scientific achievements
Technological innovation
Data harmonisation and quality control so that all data is in the public domain immediately after collection
Develop links with data users: modelling, operational and civilian communities, etc.
Outreach so that the public and funding bodies use and appreciate the value of observatories
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The overall vision is to develop a global system of multidisciplinary and interdisciplinary sustained observatory networks
Integrate and enhance the existing infrastructures
With expansion of observatories in critical, representative locations in particular environments
VisionVision