big data & pan-arctic net ecosystem exchange (paneex model) – john connolly

Dr. John Connolly, Department of Geography, St. Patrick’s College, DCU EPA National SC5 Information Day H2020, 21st October, 2015

Geodatabase - GIS - Spatial data mining (Landsat & MODIS satellite data)

Light Response Curve

Mbufong et al., 2014.

Net Ecosystem Exchange could be derived from: • Air Temperature (AirT)

• Photosynthetically Active Radiation (PAR)

• Leaf Area Index (LAI)

Light Response Curve

Mbufong et al., In Prep.

PAR

AirT

MODIS LAI

NEE

Mean July NEE (2008 -2010) for Arctic tundra estimated using the PANEEx model (Preliminary results) Mbufong et al., In Prep.

Collaborators

Herbert Njuabe Mbufong Dr. Magnus Lund Dr. Mikkel Ramstorf

Prof. Torben Christensen Dr. Andreas Persson Prof. Lars Eklundh Antonin Kusbach

David Thau & Earth Engine Developers

References • Mbufong, H. N., Lund, Magnus , Aurela, M.; Christensen, T. R., Eugster, W.; Friborg, T.; Hansen, B. U.; Humphreys, E. R.; Jackowicz-Korczynski,

M.; Kutzbach, L.; Lafleur, P. M.; Oechel, W. C.; Parmentier, F. J W., Rasse, D. P.; Rocha, A. V.; Sachs, T.; Van Der Molen, M. K.; Tamstorf, M. P. (2014). Assessing the spatial variability in peak season CO2 exchange characteristics across the Arctic tundra using a light response curve parameterization. Biogeosciences, 11, 17, p. 4897-4912.

• Mbufong,, H. N., Kusbach, A., Lund, M., Persson, A. Christensen, T. R., Tamstorf, M. P., Connolly, J. (In Prep). Measurement-based upscaling of pan Arctic net ecosystem exchange: the PANEEx project.

Thank you

Abisko, Arcti