LAI Measurement

Liu, Z. L., J. M. Chen, G. Z. Jin, and Y. J. Qi. 2015. Estimation of seasonal variations of leaf area index using both litter fall collection and optical methods in four mixed evergreen-deciduous forests. Agricultural and Forest Meteorology, 209: 36-48

Liu, Z. L, C. K. Wang, J. M. Chen, X. C. Wang, and G. Z. Jin. 2015. Using direct and indirect methods to estimate the seasonal changes in leaf area index in deciduous broadleaf forests. Forest Ecology and Management, 351: 67-77

Liu, Z. L, X. C.Wang, J. M. Chen, C. K. Wang, and G. Z. Jin. 2015. On improving the accuracy of digital hemispherical photography measurements of seasonal leaf area index variation in deciduous broadleaf forests. Canadian Journal for Forest Research, DOI: 10.1139/cjfr-2014-0351

Liu, L. Z., G. Z. Jin, J. M. Chen, Y. J. Qi. 2015. Evaluating optical measurements of leaf area index against litter collection in a mixed broadleaf-Korean pine forest in China. Trees, 29: 59-73

Gonsamo, A. and J.M. Chen, 2014.  Continuous observation of leaf area index at Fluxnet-Canada sites. Agricultural and Forest Meteorology, 189, 168-174.

Fan, W., J. M. Chen, W. Ju, and G. Zhu. 2014. GOST: geometric optical model for sloping terrains. IEEE Transactions on Geoscience and Remote Sensing, 52: 5469-5482

Simic, A., J. M. Chen, S. Leblanc, A. Dyk, H. Croft, and T. Han, 2014. Testing the top-down model inversion method of estimating leaf reflectance used to retrieve vegetation biochemical content within the empirical approach. IEEE Journal of Selected Topics of Applied Earth Observation and Remote Sensing, 7: 92-104.

Gonsamo A., J. M. Chen, and C. Wu. 2013. Citizen Science: linking the recent rapid advances of plant flowering in Canada with climate variability. Scientific Report, 3 : 2239, DOI: 10.1038/srep02239 Full pdf file

Fang, H., C. Jiang,,W. Li, S. Wei, F. Baret, J. M. Chen, J. Garcia-Haro, S. Liang, R. Liu, R. B. Myneni, B. Pinty, Z. Xiao, and Z Zhu, 2013. Characterization and intercomparison of global moderate resolution leaf area index (LAI) products: Analysis of climatologies and theoretical uncertainties. Journal of Geophysical Research - Biogeoscience, DOI:10.1002/jgrg.20051.

Liu Y. B., W. M. Ju, J. M. Chen, G. L. Zhu, B. L. Xing, J. F. Zhu, 2012. Spatial and temporal variations of forest LAI in China during 2000-2010.Chinese Science Bulletin, 57(22): 2846-2856.

Moorthy, I., J. R. Miller, J. A. J Berni, P. J Zarco-Tejada, B. Hu,and  J. M. Chen, 2011. Field characterization of olive (Olea europaea L.) tree crown architecture using terrestrial laser scanning data. Agricultural and Forest Meteorology, 151: 204-214 Full pdf file

Zhu, G., W. Ju, J. M. Chen, W. Fan, Y. Zhou, X. Li, M. Li. 2010. Leaf area index retrieval for forests in the Maoershan Mountain in northeast China. Chinese Applied Ecology, 21: 2117-2124.

Sonnentag, O., J. Talbot, J. M. Chen, T. N. Roulet, 2007. Using direct and indirect measurements of leaf area index to characterize the shrub canopy of an ombrotrophic peatland. Agricultural and Forest Meteorology, 144: 200-212. Full pdf file

Leblanc, S. G., Chen, J. M., Fernandes, R., Deering, D. W., and Conley A. 2005. Methodology comparison for canopy structure parameters extraction from digital hemispherical photography in boreal forests. Agricultural and Forest Meteorology (in press).

Chen, J. M., G. Pavlic , L. Brown, J. Cihlar, S.G. Leblanc, H. P. White, R. J. Hall, D. Peddle, D.J. King, J. A. Trofymow, E. Swift, J. Van der Sanden, and P. Pellikka, 2002. Derivation and Validation of Canada-wide coarse-resolution leaf area index maps using high-resolution satellite imagery and ground measurements. Remote Sensing of Environment 80:165-184. Full pdf file download

Leblanc, S.G. and J. M. Chen, 2001. A practical method for correcting multiple scattering effects on optical measurements of leaf area index. Agric. For. Meteorol., 110:125-139.Full pdf file download

Chen, J. M., 1999. BOREAS RSS-07: Ground Measurements of LAI and FPAR. BOREAS Information System, DAAC CDROM. 22 Pages.

Chen, J. M., P. M. Rich, T. S. Gower, J. M. Norman, S. Plummer, 1997. Leaf area index of boreal forests: theory, techniques and measurements. Journal of Geophysical Research, 102:29,429-29,444. Full pdf file download

Chen, J. M., 1996. Optically-based methods for measuring seasonal variation in leaf area index of boreal conifer forests. Agricultural and Forest Meteorology, 80:135-163. Full pdf file download

Chen, J. M., 1996. Evaluation of vegetation indices and a simple ratio for boreal applications. Canadian Journal of Remote Sensing, 22:229-242.

Chen, J. M. and J. Cihlar, 1995. Quantifying the effect of canopy architecture on optical measurements of leaf area index using two gap size analysis methods. IEEE Transactions on Geoscience and Remote Sensing, 33:777-787. Full pdf file download

Chen, J. M. and J. Cihlar, 1995. Plant canopy gap size analysis theory for improving optical measurements of leaf area index. Applied Optics, 34:6211-6222.

Smith, N. J., J. M. Chen, and T. A. Black. 1993. Effects of foliage clumping on estimates of stand leaf area density using the LICOR LAI-2000. Canadian Journal of Forest Research, 23:1940-1943.

Chen, J. M. and T. A. Black, 1992. Foliage area and architecture of clumped plant canopies from sunfleck size distributions. Agricultural and Forest Meteorology, 60:249-266.

Chen, J. M. and T. A. Black, 1992. Defining leaf area index for non-flat leaves. Plant, Cell and Environment, 15:421-429.

Chen, J. M. and T. A. Black, 1991. Measuring leaf area index of plant canopies with branch architecture. Agricultural and Forest Meteorology, 57:1-12.