Profile for G. James Collatz

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

Profile

RESEARCH INTERESTS
Global Carbon Cycle planning and research

PREVIOUS POSITIONS

EDUCATION

PROFESSIONAL SOCIETIES

Publications

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.
10.1098/rstb.2012.0163

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
10.5194/bg-10-247-2013

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
10.3390/rs5083918

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).
10.1029/2010GB003947

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
10.1126/science.1209472

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).
10.1029/2011JD016245

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).
10.1029/2010GL045338

Carvalhais N., M. Reichstein, G.J. Collatz, M. D. Mahecha, M. Migliavacca, C. 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
10.5194/bg-7-3707-2010

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
10.1126/science.1164015

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
10.1029/2007GB003033

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
10.1029/2008GL035689

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
10.1029/2007JG000603

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
10.1029/2008JG000718

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
10.1029/2008GB003183

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
10.1073/pnas.0803375105

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