GMAO OCEAN BIOLOGY AND BIOGEOCHEMICAL MODELING, REFERENCES

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2011-present

Gregg W.W. and Rousseaux C.S. 2016. Directional and Spectral Irradiance in Ocean Models: Effects on Simulated Global Phytoplankton, Nutrients, and Primary Production. Frontiers in Marine Science , doi: 10.3389/fmars.2016.00240

Rousseaux C.S. and Gregg W.W. 2015. Recent decadal trends in global phytoplankton composition. Global Biogeochemical Cycles , doi: 10.1002/2015GB005139

Ott L.E., Pawson S., Collatz G.J., Gregg W.W., Menemenlis D., Brix H., Rousseaux C.S., Bowman K.W., Liu J., Eldering A., Gunson M.R., Kawa S.R. 2015. Assessing the magnitude of CO2 flux uncertainty in atmospheric CO2 records using products from NASA's Carbon Monitoring Flux Pilot Project. Journal of Geophysical Research:Atmospheres 120, doi: 10.1002/2014JD022411

Gregg W.W. and C.S. Rousseaux, 2014. Decadal trends in global pelagic ocean chlorophyll: A new assessment integrating multiple satellites, in situ data, and models. Journal of Geophysical Research, 119, doi: 10.1002/2014JC010158

Rousseaux C.S. and W.W. Gregg, 2014. The Effects of Chlorophyll Assimilation on Carbon Fluxes in a Global Biogeochemical Model. NASA Technical Report Series on Global Modeling and Data Assimilation, NASA TM-2014-104606, Vol. 33, 22 pp.

Gregg W.W., N.W. Casey and C.S. Rousseaux, 2014. Sensitivity of Simulated Global Ocean Carbon Flux Estimates to Forcing by Reanalysis Products. Ocean Modelling, 80, 24-35

Rousseaux C.S. and W.W. Gregg, 2014. Interannual Variation in Phytoplankton Primary Production at A Global Scale. Remote Sensing, 6, 1-19, doi:10.3390/rs6010001.

Rousseaux C.S., T. Hirata and W.W. Gregg, 2013. Satellite views of global phytoplankton community distributions using an empirical algorithm and a numerical model. Biogeosciences Discuss., 10, 1083-1109, doi:10.5194/bgd-10-1083-2013.

Gregg W.W., N.W. Casey and C.S. Rousseaux, 2013. Global Surface Ocean Carbon Estimates in a Model Forced by MERRA. NASA Technical Report Series on Global Modeling and Data Assimilation, NASA TM-2013-104606, Vol. 31, 31 pp.

Rousseaux, C.S. and W.W. Gregg, 2012. Climate variability and phytoplankton composition in the Pacific Ocean. Journal of Geophysical Research, 117, C10006, doi:10.1029/2012JC008083.

2006-2010

Gregg, W.W. and N.W. Casey, 2010. Improving the consistency of ocean color data: A step toward climate data records. Geophysical Research Letter, 37, L04605, doi:10.1029/2009GL041893.

Gregg, W.W., N.W. Casey, J.E. O'Reilly, and W.E. Esaias, 2009. An Empirical Approach to Ocean Color Data: Reducing Bias and the Need for Post-Launch Radiometric Re-Calibration. Remote Sensing of Environment, 113, 1598-1612.

Gregg, W.W., M.A.M. Friedrichs, A.R.Robinson, K.A.Rose, R. Schlitzer, K.R.Thompson, and S.C. Doney, 2008. Skill assessment in ocean biological data assimilation. Journal of Marine Systems, 76: 16-33.

Gregg, W.W. and N.W. Casey, 2009. Skill assessment of a spectral ocean-atmosphere radiative model. Journal of Marine Systems, 76: 49-63.

Gregg, W. W., 2008. Assimilation of SeaWiFS Ocean Cholophyll Data Into a Three-Dimensional Global Ocean Model. Journal of Marine Systems, 69, 205-225.

Nerger, L. and W. W. Gregg, 2008. Improving Assimilation of SeaWiFS Data by the Application of Bias Correction with a Local SEIK Filter. Journal of Marine Systems, 73: 87-102.

Gregg, W. W. and N. W. Casey, 2007. Sampling biases in MODIS and SeaWiFS ocean chlorophyll data. Remote Sensing of Environment, 111, 25.

2001-2005

Gregg, W. W., Casey, N. W. and C. R. McClain, 2005. Recent Trends in Global Ocean Chlorophyll. Geophysical Research Letters, 32, L03606.

Gregg, W. W. and N. W. Casey, 2004. Global and Regional Evaluation of the SeaWiFS Chlorophyll Data Set. Remote Sensing of Environment, 93, 463-479.

Gregg, W. W., Conkright, M. E., Ginoux, P., O'Reilly, J. E. and N. W. Casey, 2003. Ocean Primary Production and Climate: Global Decadal Changes. Geophysical Research Letters, 30(15), 1809.

Gregg, W. W., Ginoux, P., Schopf, P. S. and N. W. Casey, 2003. Phytoplankton and Iron: Validation of a Global Three-Dimensional Ocean Biogeochemical Model. Deep-Sea Research, 50, 3143-3169.

Casey, N. W. and W. W. Gregg, 2003. Comparing SeaWiFS Reprocessing Versions (R3 vs. R4). NASA GSFC Technical Memorandum, 212235.

Conkright, M. E. and W. W. Gregg, 2003. Comparison of Global Chlorophyll Climatologies: In situ, CZCS, Blended in situ-CZCS and SeaWiFS. International Journal of Remote Sensing, 24(5), 969-991.

Gregg, W. W., 2002. A Coupled Ocean-Atmosphere Radiative Model for Global Ocean Biogeochemical Models. NASA GSFC Technical Report Series on Global Modeling and Data Assimilation, 104606, 22.

Gregg, W. W., 2002. Tracking the SeaWiFS Record With a Coupled Physical/Biogeochemical /Radiative Model of the Global Oceans. Deep-Sea Research, 49, 81-105.

Gregg, W. W. and M. E. Conkright, 2002. Decadal Changes in Global Ocean Chlorophyll. Geophysical Research Letters, 29(15).

Gregg, W. W., Conkright, M. E., O'Reilly, J. E., Patt, F. S., Wang, M. H., Yoder, J. A. and N. W. Casey, 2002. NOAA-NASA Coastal Zone Color Scanner Reanalysis Effort. Applied Optics, 41(9), 1615.

Gregg, W. W. and M. E. Conkright, 2001. Global Seasonal Climatologies of Ocean Chlorophyll: Blending in situ and Satellite Data for the Coastal Zone Color Scanner Era. Journal of Geophysical Research, 106(2), 2499-2515.

1990-2000

Conkright, M. E. and W. W. Gregg, 2000. Seasonal Cycle of Phosphate in the Open Ocean. Deep-Sea Research I, 47, 159-175.

Gregg, W. W., 2000. A Coupled Ocean General Circulation, Biogeochemical, and Radiative Model of the Global Oceans: Seasonal Distributions of Ocean Chlorophyll and Nutrients. NASA GSFC Technical Memorandum, 209965.

Gregg, W. W. and K. L. Carder, 1990. A Simple Spectral Solar Irradiance Model for Cloudless Maritime Atmospheres. Limnology and Oceanography, 35(8), 1657.

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