CARBON, WATER, LAND USE - PowerPoint PPT Presentation

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CARBON, WATER, LAND USE

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Atmospheric & Oceanic Sciences. University of Wisconsin-Madison ... Complex systems. Terrain, multiple GHGs. Ecological data assimilation. NEON and Network science ... – PowerPoint PPT presentation

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Title: CARBON, WATER, LAND USE


1
CARBON, WATER, LAND USE CLIMATE
Understanding Interannual Variability in
Surface-Atmosphere Greenhouse Gas Exchange
Ankur R Desai Asst. Professor Atmospheric
Oceanic Sciences University of Wisconsin-Madison
Wisconsin Ecology Symposium Fall 2008
2
Atmospheric CO2
3
The Carbon Cycle
  • Sarmiento and Gruber (2002)

4
Modeling Interannual Variations
  • Ricciuto et al (2008)

5
Future Land-Atmosphere Exchange?
  • Sitch et al (2008), Global Change Biology

6
(No Transcript)
7
Fluxnet
8
Climate Drivers of Carbon Flux
  • Temperature
  • Precipitation
  • Radiation
  • CO2

9
Climate Drivers of Carbon Flux
Interannual
  • Temperature -gt Phenology
  • Precipitation -gt Drought
  • Radiation -gt Light Quality
  • CO2 -gt Acclimation

10
Phenology
11
Water Table
  • Sulman et al (in prep) Biogeosciences

12
Future Directions
  • Interactions and linkages at landscape scale
    among plants, soil, water bodies, atmosphere,
    people
  • Regional scale climate impacts on ecosystems and
    vice versa
  • Variability, change, and feedbacks
  • Disturbance, fire, invasives, forestry
  • Complex systems
  • Terrain, multiple GHGs
  • Ecological data assimilation
  • NEON and Network science
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