NPP Modeling

Dong, T., J. Liu, Budong, Qian, Qi. Jing, H. Croft, J. M. Chen, J. Wang, T. Huffman, J. Shang, and P. Chen, 2017. Deriving maximum light use efficiency from crop worth model and satelliete data to improve crop biomass estimation. IEEE journal of Selected Topics in Applied Earth Observation and Remote Sensing, 10(1): 104-117, DOI: 10.1109/JSTARS.2016.2605303.

He, L., J. M. Chen, J. Liu, S. Belair, and X. Luo, 2017. Assessment of SMAP soil moisture for global simulations of gross primary production. Journal of Geophysical Research-Biogeosciences (in press).

He, L., J. M. Chen, J. Liu, and G. Mo. 2017. Angular Normalization of GOME-2 Sun-induced Chlorophyll Fluorescence Observation as a Better Proxy of Vegetation Productivity. Geophysical Research Letters, 44, DOI:10.1002/2017GL073708.

Zhou, Y., T. Hilker, W. Ju, N. C. Coops, T. A. Black, J. M. Chen, and X. Wu, 2017. Modeling gross primary production for sunlit and shaded canopies across an evergreen and a deciduous site in Canada. IEEE Transactions on Geoscience and Remote Sensing, 55: 1859-1873. DOI: 10.1109/TGRS2016.2615102.

Zheng, T., J. M. Chen, L. He, M. A. Arain, S. Thomas, J. G. Murphy, J. A. Geddes, T. A. Black, 2017. Inverting the maximum carboxylation rate (Vcmax) from the sunlit leaf photosynthesis rate derived from measured light response curves at tower flux sites. Agricultural and Forest Meteorology, 236: 48-66, DOI: 10.1016/j.agrformet.2017.01.008.

Croft, H., J. M. Chen, X. Luo, P. Bartlett, B. Chen, and R. M. Staebler, 2017. Leaf chlorophyll content as a proxy for leaf photosynthetic capacity. Global Change Biology, 23(9): 1365-1386, DOI:10.111/geb.13599.

Gonsamo A., J. M. Chen, and D. Lombardozzi, 2016. Global vegetation productivity response to climatic oscillations during the satellite era. Global Change Biology, 22: 3414-3426. DOI:10.1111/gcb.13258

Gonsamo, A., and J.M. Chen. 2016. Circumpolar products of vegetation dynamics productivity. Remote Sensing of Environment, 182: 13-26, DOI:10.1016/j.rse.2016.04.022

Chen, Y. S. Mu, Z. Sun, C. Gang, J. Li, J. Padarian, P. Groisma, J. M. Chen, and S. Li, 2016. Grassland carbon sequestration ability in China: a new perspective from terrestrial aridity zones. Rangland Ecology and Management, 69: 84-94.

Zhang, Q., W. Ju, J. M. Chen, H. Wang, F. Yang, W. Fan, Q. Huang, T. Zheng, Y. Feng, Y. Zhou, M. He, F. Qiu, X. Wang, J. Wang, F. Zhang and S. Chou. 2015. Ability of the photochemical reflectance index to track light use efficiency for a sub-tropical planted coniferous forest. Remote Sensing, 7: 16938-16962, DOI:10.3390/rs71215860

Zhou, Y., X. Wu, W. Ju, J. M. Chen et al., 2015. Global parameterization and validation of a two-leaf light use efficiency model for predicting gross primary production across FLUXNET sites. Journal of Geophysical Research-Biogeosciences, DOI:10.1002/2014JG002876

Froelich, N., H. Croft, J. M. Chen, A. Gonsamo, and R. M. Staebler, 2015. Trends of carbon, water and energy fluxes over a mixed temperate-boreal transition forest in southern Ontario, Canada. Agricultural and Forest Meteorology, 211-212, 72-84. DOI:10.1016/j.agrformet.2015.05.009

Gonsamo A. and J.M. Chen, 2015. Winter teleconnections can predict the ensuing summer European crop productivity. Proceedings of the National Academy of Sciences, 112, E2265-E2266

Croft, H., J. M. Chen, N. Froelich, B. Chen, and R. M. Staebler, 2015. Seasonal controls of canopy chlorophyll content on forest carbon uptake: Implications for GPP modelling. Journal of Geophysical Research-Biogeosciences, doi:10.1002/2015JG002980

Zhang, S., X. Zheng, J. M. Chen, Z. Chen, B. Dan, X. Yi, L. Wang, and G. Wu. 2015. A global carbon assimilation system using a modified EnKF assimilation method. Geoscientific Model Development, 8: 805-816, DOI:10.5194/gmd-8-805-2015

Gonsamo, A., J.M. Chen, and P. D'Odorico, 2015. Underestimated role of East Atlantic-West Russia Pattern on Amazon vegetation productivity. Proceedings of the National Academy of Sciences, 112, E1054-E1055

Zheng, H., Y. Li, J. M. Chen, T. Wang, Q. Huang, W. Huang, L. Wang, S. Li, W. Yuan, X. Zheng, S. Zhang, Z. Chen, and F. Jiang, 2015. A global carbon assimilation system based on a dual optimization method. Biogeosciences,12, 1131-1150

Gonsamo A., H. Croft, J. M. Chen, C. Wu and R. Staebler, 2015. Radiation contributed more than temperatureto increased decada, autumn and annual carbon uptake of two eastern North America mature forests. Agricultural and Forest Meteorology, 201, 8-16

Chang K, D. Price, J. M. Chen, W. Kurz, C. Boisvenue, E. Hogg, A. Gonsamo, and C. Wu. 2014. Simulating impacts of water stress on biomass in the southern boreal region of western Canada using a dynamic vegetation model. Agricultural and Forest Meteorology, 198: 142-154.

He, L., J. M. Chen, J. Liu, G. Mo, S. Belair, T. Zheng, R. Wang, B. Chen, H. Croft, M. A. Arain, and A. G. Barr, 2014. Optimization of water uptake and photosynthetic parameters in an ecosystem model using tower flux data, Ecological Modelling,294: 94-104

Wang, F., A. Gonsamo, J. M. Chen, T. A. Black, and B. Zhou. 2014. Instantaneous-to-daily GPP upscaling schemes based on a coupled photosynthesis-stomatal conductance model: correcting the overestimation of GPP by directly using daily average meteorological inputs. Oecologia, DOI 10.1007/s00442-014-3059-7

Wang, F., J.M. Chen, A. Gonsamo, B. Zhou, F.-F. Cao & Q.-X Yi. 2014. A two-leaf rectangular hyperbolic model for estimating diurnal and seasonal GPP across vegetation types and climate conditions. Journal of Geophysical Research-Biogeosciences, 119, DOI:10.1002/2013JG002596

Wu, C.,R. A. Hember, J. M. Chen, W. A. , D. T. Price, A. Gonsamo, and C. Boisvenue C. 2014. Accelerating forest growth enhancement due to climate and atmospheric changes in British Colombia, Canada over 1956-2001. Scientific Report, 4: 4461-4465. DOI: 10.1038/srep04461

He, M. Z, W. M. Ju, Y. L. Zhou, J. M. Chen, H. L. He, S. Q. Wang, H. M. Wang, D. X. Guan, J. H. Yan,Y. N. Li, Y. B. Hao, and F. H. Zhao. 2013. Development of a two-leaf light use efficiency model for improving the calculation of terrestrial gross primary productivity. Agricultural and Forest Meteorology, 173: 28-39

Gonsamo A., J.M. Chen, C. Boisvenue, W.A. Kurz, D.T. Price, C. Wu, R.A. Hember & K.H. Chang, 2013. Improved assessment of gross and net primary productivity of Canada's landmass. Journal of Geophysical Research. Biogeosciences (in press).

Chen, J, M, Chen, X. F., and W. Ju. 2013. Effects of Vegetation Heterogeneity and Surface Topography on Spatial Scaling of Net Primary Productivity. Biogeosciences, 10, 4879–4896 Full pdf file.

Wang, Z. R. F Grant, A. Arain, P. Bernier, B. Chen, J. M. Chen, A. Govind, L. Guindon, W. A Kurz, C Peng, D. T. Price, G. Stinson; J. Sun, J. A. Trofymow, J. Yeluripati, 2013. Incorporating weather sensitivity in inventory-based estimates of boreal forest productivity: a meta-analysis of process model results. Ecological Modeling, 260(0): 25-35.

Wu, C., Gough, C.M., Gonsamo, A., J. M. Chen. 2013. Evidence of autumn phenology control on annual net ecosystem productivity in two temperate deciduous forests. Ecological Engineering, 60, 88-95.

He M. Z, Y. L. Zhou, W. M. Ju, J. M. Chen, L. Zhang, S. Q. Wang, N. Saigusa, R. Hirata, S. Murayama, Y. B. Liu, 2012. Evaluation and improvement of MODIS gross primary productivity in typical forest ecosystems of East Asia based on eddy covariance measurements. Journal of Forest Research, DOI 10.1007/s10310-012-0369-7.

Schaefer K., et al. (J. M. Chen among 51 authors). 2012. A model-data comparison of grass primary productivity: results from the North American Carbon Program site synthesis. Journal of Geophysical Research-Atmosphere. VOL. 117, G03010, doi:10.1029/2012JG001960 Full pdf file

Zhang, F. M., J. M. Chen, J. Chen, C. M.Gough, D. Dragoni, and T. Martin. 2012. Evaluating spatial and temporal patterns of MODIS GPP over the conterminous U.S. against flux measurements and a process model. Remote Sensing Environment,124: 717-729. Full pdf file

He, L., J. M. Chen, Y. Pan, R. Birdsey, and J. Kattge. 2012. Relationships between net primary productivity and stand age derived using Forest Inventory and Analysis data and remote sensing imagery. Global Biogeochemical Cycles, VOL. 26, GB3009, doi:10.1029/2010GB003942. Full pdf file

Sprintsin, M.,J. M. Chen, A. Desai and C. M. Gough. 2012. Evaluation of leaf-to-canopy upscaling methodologies against carbon flux data in North America. Journal of Geophysical Research-Biogeosciences, VOL. 117, G01023, doi:10.1029/2010JG001407. Full pdf file

Chen, J. M., G. Mo, J. Pisek, F. Deng, M. Ishozawa, D. Chan, 2012. Effects of foliage clumping on global terrestrial gross primary productivity. Global Biogeochemical Cycles, VOL. 26, GB1019, 18 PP., doi:10.1029/2010GB003996. Full pdf file

Wu, C., and J. M. Chen, 2012. The use of precipitation intensity for estimating gross primary production in two northern grasslands. Journal of Arid Environments, 82: 11-18. Full pdf file

Dietze, M. et al. (J. M. Chen among 31 authors), 2011. Characterizing the performance of ecosystem models across time scales: A spectral analysis of the North American Carbon Program site-level synthesis. Journal of Geophysical Research – Biogeosciences, VOL. 116, G04029, doi:10.1029/2011JG001661. Full pdf file

Wu, C., J. M. Chen, and N. Huang, 2011, Predicting gross primary production from the enhanced vegetation index and photosynthetically active radiation: Evaluation and calibration, Remote Sensing of Environment, 115, 3424-3435. Full pdf file

Wang, S., L. Zhou, J. M. Chen, W. Ju, X. Feng, and W. Wu, 2011. Relationships between net primary productivity and stand age for several forest types and their influence on China's carbon balance. Journal of Environmental Management. 92: 1651e1662 Full pdf file

Mo, X., J. M. Chen, W. Ju, and T. A. Black. 2008. Optimization of ecosystem model parameters through assimilating eddy covariance flux data with an ensemble Kalman filter. Ecological Modelling, 217: 157-173. Full pdf file

Chen, B., J. M. Chen, and W. Ju., 2007. Remote sensing based ecosystem-atmosphere simulation Scheme (EASS): model formulation and test with multiple-year data. Ecological modeling, 209: 277-300 Full pdf file

Simic A., J. M. Chen, J. Liu, F. Csillag, 2004. Spatial scaling of net primary productivity using subpixel information. Remote Sensing of Environment, 93:246-258.

Xu, S. J. M. Chen, R. Fernandes and J. Cihlar. 2004. Effects of subpixel water area fraction on mapping leaf area index and net primary productivity in Canada. Canadian Journal for Remote Sensing, 30: 797-804.

Sun R., J. M. Chen, Y. Zhou, Q. Zhu, J. Liu, J. Li, S. Liu, G. Yan, S. Tang. 2004 Estimation of net primary productivity and evapotranspiration in Changbaishan, China using ETM data. Canadian Journal of Remote Sensing 30:731-742.

Liu, J., J. M. Chen, J. Cihlar, W. Chen, 2002. Net primary productivity mapped for Canadian at 1-km resolution. Global Ecology and Biogeography, 11:115-129. Full pdf file download

Amiro, B. D., J. M. Chen and J. Liu, 2000. Net primary productivity following forest fire for Canadian ecoregions. Canadian Journal for Forest Research, 30:939-947. Full pdf file download

Chen, J. M., J. Liu, J. Cihlar and M. L. Guolden, 1999. Daily canopy photosynthesis model through temporal and spatial scaling for remote sensing applications. Ecological Modelling, 124:99-119. Full pdf file download

Liu, J., J. M. Chen, J. Cihlar, and W. Chen. 1999. Net primary productivity distribution in the BOREAS study region from a process model driven by satellite and surface data. Journal of Geophysical Research, vol. 104, No. D22, pages 27,735-27,754.

Liu, J., J. M. Chen, J. Cihlar, 1999. BOREAS RSS-16: regional net primary productivity map. BOREAS Information System, DAAC CDROM, 12 pages.

Liu, J., J. M. Chen, J. Cihlar, and W. Park, 1997, A process-based Boreal Ecosystems Productivity Simulator using remote sensing inputs. Remote Sensing of Environment 62:158-175.