ozflux presentation
DESCRIPTION
The OzFlux presentation from first day of TERN Symposium 2011TRANSCRIPT
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OzFlux
The Australian flux and ecosystem research network
Presentation by Dr Helen Cleugh, Dr Eva van Gorsel and Dr Ray Leuning
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• Terrestrial ecosystems modulate climate
• Globally, terrestrial ecosystems sequester about 25% of CO2 emissions.
• Impact of climate change on terrestrial ecosystem functioning can be informed and quantified by energy, water and carbon budgets
RG Anderson et al.Front Ecol Environ 2010; doi:10.1890/090179
Purpose of Facility
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measure flows of carbon and water (NEE, ET)
measure flows of energy (radiation Q, heat H)
Drivers:
above-canopy meteorology (Q, T, VPD)
soil temperature, moisture and heat fluxes
Analysis and Interpretation:
within-canopy temperature, CO2, humidity and wind profiles
NEE
ET H
Q
Purpose of Facility
Q
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M. Williams et al.www.biogeosciences.net/6/1341/2009/
Key Questions being Addressed
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Tumbarumba• PIs: van Gorsel and Leuning
shortwave incoming radiation
soil temperature
vapour pressure deficitsoil water contentleaf area index
Key Questions being Addressed
1 hour 3 month 1 year
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A decade of hourly measurements at Tumbarumba flux station (E.delegatensis)
Key Questions being Addressed
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A decade of hourly measurements at Tumbarumba flux station (E.delegatensis)
annual water use (E)
annual carbon uptake (NEE)
Key Questions being Addressed
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• A network of flux stations delivering nationally consistent observations of energy, carbon and water fluxes – Common and long-term set of core measurements– Quality-controlled data sets available via TERN portal
Infrastructure to be Delivered
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• A network of flux stations delivering nationally consistent observations of energy, carbon and water fluxes – Common and long-term set of core measurements– Quality-controlled data sets available via TERN portal
• Understanding ecosystem function and biogeochemical cycles for ecosystem and land surface models– Provide parameter values – Evaluate uncertainties in model performance for Australian ecosystems
• Data needed to quantify water and carbon balances under existing and future climates
• Understanding ecosystem response to climate change
• Advancing climate and Earth system science; especially ACCESS development
Infrastructure to be Delivered
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Infrastructure to be Delivered
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Infrastructure to be Delivered
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M. Williams et al.www.biogeosciences.net/6/1341/2009/
Our plan for community engagement
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M. Williams et al.www.biogeosciences.net/6/1341/2009/
Our plan for community engagement
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M. Williams et al.www.biogeosciences.net/6/1341/2009/
Our plan for community engagement
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M. Williams et al.www.biogeosciences.net/6/1341/2009/
Our plan for community engagement
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• PIs: Beringer and Hutley
• Carbon balance and hydrology
Northern Tropical Savanna Flux Transect
• Disturbance: Land clearing and fire
• Aerosols and trace gas emissions
Our plan for community engagement
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Our plan for community engagement
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Our plan for community engagement
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ARCACCSP DCCEEBushfire CRCTRaCKCSIROJames Cook UniversityQueensland University of TechnologyMonash UniversityUniversity of MelbourneForestry TasmaniaUniversity of AdelaideCharles Darwin UniversityUniversity of Technology, SydneyThe University of SydneyUniversity of Waikato, NZLandcare Research, NZ
Acknowledgements
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Site Name Ecosystem Location
1. Robson Simple notophyll vine forest Qld
(Atherton Tablelands)
2. Cape Tribulation* Complex mesophyll vine forest Qld (Daintree)
3. Samford Peri-urban Qld (Brisbane)
4. Tumbarumba Alpine ash forest (E. delegatensis) SE NSW
5. Wallaby Creek Mountain ash forest (E. regnans) SE Vic
6. Wombat Dry sclerophyll Eucalypt forest
(E. obliqua; E. radiata and E. rubida)
Central Vic
7. Warra E. obliqua forest Tasmania
8. Nimmo High Plains Poa C3 grassland NSW alpine region
9. Chowilla Mallee SA (Lower Murray)
10. Gnangara Coastal heath Southern WA
11. Great Western Woodlands** Temperate woodland, heath and mallee WA
12. Hamersley Station* Semi-arid C4 grassland NW WA
13. Weeli Wolli Creek* Semi-arid, riparian coolabah woodland NW WA
NT Savanna Flux Transect
14. Howard Springs
15. Daly** and 16. Dry River**
Wet tropical savanna to rangelands
NT – N/S transect
17. Alice Springs Mulga – arid rangelands NT