Profile for G. James Collatz

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Title: Physical Scientist
Affiliation: NASA
Contact: E-mail
Office Phone: 301-614-6651
Fax: 301-614-6695





  • 1975-1979 - Ph.D. Biological Sciences, Stanford University, Stanford, California
  • 1974-1975 - Australian National University, Canberra, Australia
  • 1972-1974 - M.A. Biological Sciences, University of California, Santa Barbara, California
  • 1967-1972 - B.A. Biological Sciences, University of California, Santa Barbara, California

Research Interests

Global Carbon Cycle planning and research


Morton, ., Le Page Y, DeFries R, G.J. Collatz, and Hurtt C. (2013). Understory fire frequency and the fate of burned forests in Southern Amazonia Philosophical Transactions of the Royal Society.

Morton, D.C., Collatz G J, Wang D, Randerson J, Giglio L , and Chen Y. (2013). Satellite-based assessment of climate controls on US Burned Area Biogeosciences, 10, 247-260

Parazoo, P, Bowman, K, Berry, J, Jones, D, Worden, J, Fisher, J, Lee, J, Frankenberg, C, G.J. Collatz, and et. al. (2013). Interpreting seasonal changes in the carbon balance of southern Amazonia using measurements of XCO2 and chlorophyll fluorescence from GOSAT Geophysical Research Letters, 40, 2829–2833

Zeng, F., G.J. Collatz, J.E. Pinzon, and A. Ivanoff (2013). Evaluating and Quantifying the Climate-Driven Interannual Variability in Global Inventory Modeling and Mapping Studies (GIMMS) Normalized Difference Vegetation Index (NDVI3g) at Global Scales Remote Sensing, 5, 3918-3950

Christopher A. Williams, G.J. Collatz, J. Masek, and Goeard. Samuel (2012). Carbon consequences of forest disturbance and recovery across the conterminous United States GLOBAL BIOGEOCHEMICAL CYCLES,, 26(GB1005).

Chen, Yang, J. Randerson, D. Morton, R. DeFries, G. Collatz, P. Kasibhatla, L. Giglio, Y. Jin, and M. Marlier (2011). Forecasting Fire Season Severity in South America Using Sea Surface Temperature Anomalies Science, 334(6057), 787-791

Mu, M., J. T. Randerson, G. R. van der Werf, L. Giglio, P. Kasibhatla, D. Morton, G. J. Collatz, R. S. DeFries, E. J. Hyer, E. M. Prins, D. W. T. Griffith, D. Wunch, G. C. Toon, V. Sherlock, and P. O. Wennberg (2011). Daily and 3-hourly variability in global fire emissions and consequences for atmospheric model predictions of carbon monoxide Journal of Geoscience Research, 116(D24303).

Bounoua, L., F.G. Hall, P.J. Sellers, A. Kumar, G.J. Collatz, C.J. Tucker, and M. Imhoff (2010). Quantifying the negative feedback of vegetation to greenhouse warming: A modeling approach Geophysical Research Letters, 37(L23701).

Carvalhais N., M. Reichstein, G.J. Collatz, M. D. Mahecha, M. Migliavacca, C.S. Neigh, E. Tomelleri, A. A. Benali1,, D. Papale, and J. Seixas (2010). Deciphering the components of regional net ecosystem fluxes following a bottom-up approach for the Iberian Peninsula Biogeosciences Discuss, 3707 - 3729

van der Werf, G.R., D.C. Morton, R.S. DeFries, L. Gilgio, J.T. Randerson, G.J. Collatz, and P.S. Kasibhatla (2009). Estimates of deforestation-induced carbon fluxes in the southern Amazon based on satellite data and biogeochemical modeling Biogeosciences, 6, 239-245

Campbell, J.E., G.R. Carmichael, T. Chai, M. Mena-Carrasco, Y. Tang, D.R. Blake, N.J. Blake, S.A. Vay, G.J. Collatz, I. Baker, J.A. Berry, S.A. Montzka, C. Sweeney, J.L. Schnoor, and C.O. Stanier (2008). Photosynthetic Control of Atmospheric Carbonyl Sulfide During the Growing Season Sci., 322, 1085-1088

Carvalhais, N., M. Reichstein, J. Seixas, G.J. Collatz, and et. al. (2008). Implications of the carbon cycle steady state assumption for biogeochemical modeling performance and inverse parameter retrieval Global Biogeochemical Cycles, 22(GB2007), 16 pp

DeFries, R.S., D.C. Morton, G.R. van der Werf, L. Giglio, G.J. Collatz, J.T. Randerson, R.A. Houghton, P.K. Kasibhatla, and Y. Shimabukuro (2008). Fire-related carbon emissions from land use transitions in southern Amazonia Geophys. Res. Lett., 35(L22705), 5 pp

Goward, S.N., R.A. Houghton, S. Healey, G.J. Collatz, G. Molsen, W. Cohen, J. Masek, D. Turner, S. Powell, B. Law, R. Kennedy, C. Huang, and M.A. Wulder (2008). Forest Disturbance and North American Carbon Flux Eos, Trans. AGU, 89(11), 105-116

Schaefer, K., G.J. Collatz, P. Tans, A.S. Denning, I. Baker, J. Berry, L. Prihodko, N. Suits, and A. Philpott (2008). Combined Simple Biosphere/Carnegie-Ames-Stanford Approach terrestrial carbon cycle model J. Geophys. Res., 113(G03034), 13 pp

Williams, C.A., N.P. Hanan, I. Baker, G.J. Collatz, J. Berry, and A.S. Denning (2008). Interannual variability of photosynthesis across Africa and its attribution J. Geophys. Res., 113(G04015), 15 pp

Zeng, N., J.-H. Yoon, A. Vintzileos, G.J. Collatz, E. Kalnay, A. Mariotti, A.Kumar, A. Busalacchi, and S. Lord (2008). Dynamical prediction of terrestrial ecosystems and the global carbon cycle: A 25-year hindcast experiment Global Biogeochemical Cycles, 22(GB4015), 13 pp

van der Werf, G.R., J. Dempewolf, S.N. Trigg, J.T. Randerson, P.S. Kasibhatla, L. Giglio, D. Murdiyarso, W. Peters, D.C. Morton, G.J. Collatz, A.J. Dolman, and R.S. DeFries (2008). Climate regulation of fire emissions and deforestation in equatorial Asia PNAS, 105(51), 20350-20355

Kang, H.-S., Y. Xue, and G.J. Collatz (2007). Impact Assessment of Satellite-Derived Leaf Area Index Datasets Using a General Circulation Model J. Clim., 20, 993-1015

Arellano Jr., A.F., P.S. Kasibhatla, L. Giglio, G.R. van der Werf, J.T. Randerson, and G.J. Collatz (2006). Time-dependent inversion estimates of global biomass-burning CO emissions using Measurement of Pollution in the Troposphere (MOPITT) measurements J. Geophys. Res., 111(D09303), 17 pp

Giglio, L., P. Kasibhatla, G.J. Collatz, J.T. Randerson, and G.R. van der Werf (2006). Global estimation of burned area using MODIS active re observations Atmos. Chem. Phys., 6, 957-974

Hall, F.G., J. Masek, and G.J. Collatz (2006). Evaluation of ISLSCP Initiative IIFASIR and GIMMS NDVI products and implications for carbon cycle science Journal of Geophysical Research-Atmospheres, 111(D2), Art. No. D22S08

Hall, F.G., E. Brown de Colstoun, G.J. Collatz, D. Landis, P. Dermeyer, A. Betts, G.J. Huffman, L. Bounoua, B. and Meeson, E. Brown de Colstoun, G.J. Collatz, D. Landis, P. Dermeyer, A. Betts, G.J. Huffman, L. Bounoua, and B. and Meeson (2006). ISLSCP Initiative II global data sets: Surface boundary conditions and atmospheric forcings for land-atmosphere studies J. Geophys. Res., 111(D22S01), 20 pp

Masek, J., and G.J. Collatz (2006). Estimating forest carbon fluxes in a disturbed southeastern landscape: Integration of remote sensing, forest inventory, and biogeochemical modeling J. Geophys. Res., 111(G01006), 15 pp

Masek, J., and G.J. Collatz (2006). Estimating forest carbon fluxes in a disturbed southeastern landscape: Integration of remote sensing, forest inventory, and biogeochemical modeling J. Geophys. Res., 111(G01006), 15 pp

Randerson, J.T., G.R. van der Werf, G.J. Collatz, L. Giglio, C.J. Still, P. Kasibhatla, J. Miller, J.W.C. White, R.S. DeFries, and E.S. Kasischke (2005). Fire emissions from C3 and C4 vegetation and their influence on interannual variability of atmospheric CO2 and 13CO2 Global Biogeochem. Cycles, 19(GB2019), 1-13