Charge to workshop: Develop an international protocol to quantify the accuracy of remote sensing phenology products and initiate a validation-based inter-comparison. The Leaf Area Index example…. Inter-comparison General Timeline. LAI Phenology….
Charge to workshop:Develop an international protocol to quantify the accuracy of remote sensing phenology products and initiate a validation-based inter-comparison
Topical meeting to establish data requirements
Decide on Sites
Develop data sharing infrastructure
Field Campaigns & individual product analysis
Synthesis of results
Boston, USAPrivetteet al. 1998
Privetteet al. 2001
Montana, USAMorisette et al.2004
Dublin workshop, 2010(we’ll need a published, citable, report)
Garrigues, S, Lacaze R, Baret F, Morisette JT, Weiss M, Nickeson JE, Fernandes R, Plummer S., Shabanov NV, Myneni RB, Knyazikhin Y, and Yang W, (2008).Validation and Intercomparison of Global Leaf Area Index Products Derived From Remote Sensing Data, JGR., v. 113.
The BELMANIP Global Network of Sites
Baret, F., J. Morisette, et al., 2006, Evaluation of the representativeness of networks of sites for the validation and inter-comparison of global land biophysical products. Proposition of the CEOS-BELMANIP, IEEE TGARS, 44(7)1794-1803.
Morisette, J.T., F. Baret, J. L. Privette, R. B. Myneni, J. Nickeson, et al., 2006. Validation of Global moderate resolution LAI Products: a framework proposed within the CEOS Land Product Validation subgroup, IEEE TGARS, 44(7)1804-1817.
We can validate a specific metric, such as start of season (a la White et al)
We could consider the more general issue of time series analysis (mainly summaries) from satellite-based vegetation monitoring.
(Keyantash and Dracup, 2002 BAMS Aug. p. 1167-1180)