Publications Mattern, J.P., Fennel, K., Dowd, M., Estimating time-dependent parameters for a biological ocean model using an emulator approach, Journal of Marine Systems 96-97:32-47 (2012) [pdf] Hu, J., Fennel, K., Mattern, J.P., Wilkin, J., Data Assimilation with a local Ensemble Kalman filter applied to a three-dimensional biological model of the Middle Atlantic Bight, Journal of Marine Systems, 94, 145-156 (2012) [pdf] Hidy, A. J., Gosse, J. C., Pederson, J. L., Mattern, J. P., Finkel R. C., A geologically constrained Monte Carlo approach to modeling exposure ages from profiles of cosmogenic nuclides: An example from Lees Ferry, Arizona, Geochemistry Geophysics Geosystems, 11, Q0AA10 (2010) [pdf] Mattern, J.P., Fennel, K., Dowd, M. Introduction and Assessment of Measures for Quantitative Model-Data Comparison Using Satellite Images. Remote Sens. 2, 794-818 (2010) [] Mattern, J.P., Dowd, M., Fennel, K., Sequential Data Assimilation Applied to a Physical-Biological Model for the Bermuda Atlantic Time Series Station, Journal of Marine Systems 79:144-156, doi: 10.1016/j.jmarsys.2009.08.004 (2010) [pdf]