Vancouver Island Flux Sites Project

 

Jassal, R.S., Black, T.A., Trofymow, A.J., Roy, R., Nesic, Z., 2009. Forest-floor CO2 and N2O flux dynamics in a nitrogen-fertilized Pacific Northwest Douglas-fir stand. Soil Biology and Biochemistry, Submitted.

Arevalo, C., Bhatti, J.S., Chang, S., Jassal, R.S., Sidders, D. 2008. Soil respiration in four different land use systems in north central Alberta, Canada. Global Change Biology, submitted.

Krishnan, P., Black, T.A., Jassal, R.S., Nesic, Z. 2008. Interannual variability in the carbon balance of three different-aged Pacific Northwest Douglas-fir stands. Journal of Geophysical Research-Biogeosciences, submitted.

Jassal, R.S., Black, T.A., Spittlehouse, D., Christian, B., Nesic, Z. 2009. Evapotranspiration and water use efficiency in Pacific Northwest Douglas-fir stands of different ages following clearcut harvesting. Agricultural and Forest Meteorology, AGRFORMET-D-08-00277, Accepted.

Cai, T., Black, T.A., Jassal, R.S., Morgenstern, K., Nesic, Z. 2009. Incorporating diffuse photosynthetically active radiation in a single-leaf model of canopy photosynthesis for a 56-year-old coastal Douglas-fir stand. International Journal of Biometeorology, DOI 10.1007/s00484-008-0196.x.

Chen, B., Black, T.A., Nicholas, C., Jassal, R., Brümmer, C., Nesic, Z. 2008. Seasonal controls on interannual variability in carbon dioxide exchange of a near-end-of rotation Douglas-fir stand in the Pacific Northwest. Global Change Biology, Accepted.

Jassal, R.S., Black, T.A., Chen, B., Nesic, Z., Roy, R., Spittlehouse, D., Trofymow, A.J. 2008. N2O emissions and carbon sequestration in a nitrogen-fertilized Douglas-fir stand. Journal of Geophysical Research-Biogeosciences, doi:10.1029/2008JG000764.

Black, T.A., Jassal, R.S., Fredeen, A. 2008. Carbon sequestration in British Columbia’s forests and management options: A White Paper on Forestry. Pacific Institute for Climate Solutions, Vitoria BC, 19 p.

Hilker, T., Coops, N.C., Coggins, S., Wulder, M.A., Brown, M., Black, T.A., Nesic, Z., Lessard, D. 2008. Detection of foliage conditions and disturbance from multi-angular high spectral resolution remote sensing. Remote Sensing of Environ. doi:10.1016/j.rse.2008.10.003.

Chen, B., Black, T.A., Coops, N.C., Hilker, T. Trofymow, J.A., Morgenstern, K. 2008. Assessing tower flux footprint climatology and scaling between remotely sensed and eddy covariance measurements. Boundary-Layer Meteorol. DOI:10.1007/s10546-008-9339-1.

Jassal, R.S., Black, T.A., Novak, M.D., Gaumont-Guay, Nesic, Z. 2008. Effect of soil water stress on soil respiration and its temperature sensitivity in an 18-year-old temperate Douglas-fir stand. Global Change Biology, 14, 1-14.

Hall, F.G., Thomas Hilker, T., Coops, N.C., Lyapustin, A., Huemmrich, K.F., Middleton, E., Margolis, H., Drolet, G., Black, T.A. 2008. Multi-angle remote sensing of forest light use efficiency by observing PRI variation with canopy shadow fraction OR can light-saturation in canopy photosynthetic capacity be observed from space? Remote Sensing of Environment 112, 3201-3211.

Cai, T. Flanagan, L., Jassal, R.S., Black, T.A. 2008. Modeling environmental and ecological controls on the carbon isotope composition of ecosystem respired CO2 in a coastal Douglas-fir forest. Plant Cell and Environment, 31, 435-453.

Hilker, T. Coops, N.C., Schwalm, C., Jassal, R.S., Black, T.A., Krishnan, P. 2008. Effects of Mutual Shading of Tree Crowns on Prediction of Photosynthetic Light Use Efficiency in a Coastal Douglas-fir Forest. Tree Physiology, 28, 825-834.

Hilker, T., Coops, N.C., Hall, F.G., Black, T.A., Wulder, M.A., Nesic, Z., Krishnan, P. 2008. Separating physiologically and directionally induced changes in PRI using BRDF models. Remote Sensing of Environ. 112, 2777-2788.

Chasmer, L., McCaughey, H., Hopkinson, C., Treitz, P., Barr, A.G., Black, T.A. Shashkov, A. 2008. Scaling and assessment of GPP from MODIS using a combination of airborne lidar and eddy covariance measurements over jack pine forests. Remote Sensing of Environ. (in press).

Jassal, R.S., Black, T.A., Cai, T., Morgenstern, K., Li, Z., Gaumont-Guay, D., Nesic, Z. 2007. Components of ecosystem respiration and estimates of net primary productivity of an intermediate-aged Douglas-fir stand. Agricultural and Forest Meteorology, 144, 44-57.

Coops, N.C., Jassal, R.S., Leuning, R., Black, T.A., Morgenstern, K. 2007. Incorporation of a soil water modifier into MODIS predictions of temperate Douglas-fir gross primary productivity: Initial model development. Agricultural and Forest Meteorology, 147, 99-109.

Coops, N.C., Black, T.A., Jassal, R.S., Trofymow, J.A., Morgenstern, K. 2007. Comparison of MODIS, Eddy covariance determined and physiologically modelled gross primary production (GPP) in a Douglas-fir forest stand. Remote Sensing of Environment, 107, 385-401.

Hilker, T., Coops, N.C., Nesic, Z., Wulder, M.A., Black, T.A. 2007. Instrumentation and approach for unattended year round tower based measurements of spectral reflectance. Computers and Electronics in Agriculture 56: 72–84.

Yuan, F., Arain, M.A., Black, T.A., Morgenstern, K. 2007. Energy and water exchanges modulated by soil-plant nitrogen cycling in a temperate Pacific Northwest conifer forest. Ecol. Model. 201, 331–347.

Misson, L., Baldocchi, D.D., Black,, T.A., Blanken, P.D., Brunet, Y., Curiel Yuste, J., Dorsey, J.R., Falk, M., Goldstein, A.H., Granier, A., Irvine, M.R., Jarosz, N, Lamaud, E., Law, B.E., Longdoz, B., Loustau, D., McKay, M., Paw U, K.T., Vickers,  D., Wilson, K.B. 2007. Partitioning forest carbon fluxes with overstory and understory eddy-covariance measurements: a synthesis based on FLUXNET data. Agric. For. Meteorol. 144: 14-31.

Humphreys, E.R., Black, T.A., Morgenstern, K., Cai, T., Drewitt, G.B., Nesic, Z. 2006. Carbon dioxide fluxes in three coastal Douglas-fir stands at different stages of development after harvesting. Agric. For. Meteorol.140: 6-22.

Schwalm, C.R., Black, T.A., Amiro, B.D. et al. 2006a. Photosynthetic light use efficiency of 3 biomes across an east-west continental-scale transect in Canada. Agric. For. Meteorol. 140, 269-286.

Schwalm, C.R., Black, T.A., Morgenstern, K., Humphreys, E.R. 2006b. Estimating NEP from tower-based EC measurements along a coastal Douglas-fir chronosequence. Global Change Biol. 13, 370-385.

Sun, H., Clark, T.L., Stull, R.B., Black, T.A. 2006a. Two-dimensional simulation of airflow and CO2 transport over a forested mountain. Part I. Interactions between thermally forced circulations. Agric. For. Meteorol. 140: 338-351.

Sun, H., Clark, T.L., Stull, R.B., Black, T.A. 2006a. Two-dimensional simulation of airflow and CO2 transport over a forested mountain. Part II. Carbon dioxide budget analysis and advection effects. Agric. For. Meteorol. 140, 352-364.

Coursolle, C., Margolis, H.A., Barr, A.G., Black, T.A., Amiro, B.D., McCaughey, J.H., Flanagan, L.B., Lafleur, P.M., Roulet, N.T., Bourque, C.P.-A., Arain, M.A., Wofsy, S.C., Dunn, A., Morgenstern, K., Orchansky, A.L., Bernier, P.Y., Chen, J.M., Kidston, J. et al. 2006. Late-summer carbon fluxes from Canadian forests and peatlands along an east–west continental transect. Can. J. For. Res. 36: 783–800.

Grant, R.F., Black, T.A., Humphreys, E.R., Morgenstern, K. 2006. Changes in NEP with forest age following clearcutting of a coastal Douglas-fir forest: testing a mathematical model with eddy covariance measurements along a forest chronosequence. Tree Physiol. 27, 115-131.

Ethier, G.J., Livingston, N.J., Harrison, D.L., Black, T.A., Moran, J.A. 2006. Low stomatal and internal conductance to CO2 vs. Rubisco deactivation as determinants of the photosynthetic decline of aging evergreen leaves. Plant, Cell and Environment 29: 2168-2184.

Humphreys, E.R., Black, T.A., Morgenstern, K., Li, Z., Nesic, Z. 2005. Net ecosystem production of a Douglas-fir stand for 3 years following clearcut harvesting. Global Change Biol. 11: 450-464.

Ponton, S., Flanagan, L.B., Alstad, K.P., Johnson, B.G., Morgenstern, K., Kljun, N., Black, T.A., Barr, A.G. 2006. Comparison of ecosystem water-use efficiency among Douglas-fir forest, aspen forest and grassland using eddy covariance and carbon isotope techniques. Global Change Biol. 12, 294-310.

Arain, M.A., Yuan, F., Black, T.A., Morgenstern, K. 2006. Soil-plant nitrogen cycling modulated carbon exchanges in a western temperate conifer forest in Canada. Agric. For. Meteorol. 140, 171-192.

Jassal, R.S., Black, T.A. 2006. Estimating heterotrophic and autotrophic soil respiration using the small-area trenched plot technique: Theory and practice. Agric. For. Meteorol. 140, 193-202.

Ju, W., Chen, J.M., Black, T.A., Barr, A.G., McCaughey, J.H., Roulet, N.T., 2006. Hydrological effects on carbon cycles of Canada’s forests and wetlands. Tellus B, 58, 16-30.

Drewitt, G., Black, T.A., Jassal, R.S. 2005. Using measurements of soil CO2 efflux and concentration to infer the depth distribution of CO2 production in a forest soil. Canadian Journal of Soil Science 85, 213-221.

Gu, L., Falge, E., Boden, T., Baldocchi, D., Black, T.A., Saleska, S., Suni, T., Verma, S. et al. 2005. Objective threshold determination for nighttime eddy flux filtering. Agric. For. Meteorol. 128: 179-197.

Jassal, R.S., Black, T.A., Drewitt, G.B., Novak, M.D., Gaumont-Guay, D., Nesic, Z. 2004. A model of the production and transport of CO2 in soil: Predicting soil CO2 concentrations and CO2 efflux from a forest floor. Agric. For. Meteorol. 124: 219-236.

Morgenstern, K., Black, T.A., Humphreys, E.R., Griffis, T.J., Drewitt, G.B., Cai, T., Nesic, Z., Spittlehouse, D.L., Livingston N.J. 2004. Sensitivity and uncertainty of the carbon balance of a Pacific Northwest Douglas-fir forest during an El Niño/La Niña cycle. Agric. For. Meteorol. 123: 201-219.

Humphreys, E.R., Black, T.A., Ethier, G.J., Drewitt, G.B., Spittlehouse, D.L., Jork, E.M., Nesic, Z., Livingstone, N.J., 2003. Annual and seasonal variability of sensible and latent heat fluxes above a coastal Douglas-fir forest, British Columbia, Canada. Agric. For. Meteorol. 115, 109–125.

Drewitt, G.B.,  Black, T.A.,  Nesic, Z.,  Humphreys, E.R.,  Jork, E.M.,  Swanson, R., Ethier, G.J.,  Griffs, T.,  Morgenstern, K.  2002.  Measuring forest floor CO2 fluxes in a Douglas-fir forest.  Agric. For. Meteorol. 110,  299-317.

 

BERMS/BOREAS

Grant, R.F. H.A. Margolis, A.G. Barr, T.A. Black, A.L. Dunn, P.Y. Bernier, O. Bergeron. 2009. Changes in net ecosystem productivity of boreal black spruce stands in response to changes in temperature at diurnal and seasonal time scales. Tree Physiology 29, 1-17.

Gaumont-Guay, D., Black, T.A., McCaughy, H., Barr, A.G., Jassal, R.S., Nesic, Z. 2008. Soil CO2 efflux in contrasting boreal deciduous and coniferous stands and its contribution to the ecosystem carbon balance. Global Change Biology, doi: 10.1111/j.1365-2486.2008.01830.x.

Gaumont-Guay, D., Black, T.A., Barr, A.G., Jassal, R.S., Nesic, Z. 2008. Biophysical controls on rhizospheric and heterotrophic components of soil respiration in a boreal black spruce stand. Tree Physiology 28, 161-171.

Mkhabela, M.S., B.D. Amiro, A.G. Barr, T.A. Black, I. Hawthorne, J. Kidston, J.H. McCaughey, A.L. Orchansky, Z. Nesic, A. Sass, A. Shashkov, T. Zha. 2008. Comparison  of  Carbon  Dynamics  and  Water  Use  Efficiency  Following  Fire  and  Harvesting in Canadian Boreal  Forests . In press, Agricultural and Forest Meteorology, doi:10.1016/j.agrformet.2008.10.025.

Krishnan, P., Black, T.A., Barr, A.G., Gaumont-Guay, D., Grant, N., Nesic, Z. 2008. Factors controlling the interannual variability in the carbon balance of a southern boreal black spruce forest. J. Geophys. Research doi:10.1029/2007JD008965.

Grant, R.F. A.G. Barr, T.A. Black, D. Gaumont­Guay, H. Iwashita, J. Kidston, H. McCaughey, K. Morgenstern, S. Murayama, Z. Nesic, N. Saigusa, A. Shashkov and T. Zha. 2007. Net ecosystem productivity of boreal jack pine stands regenerating from  clearcutting  under  current  and future  climates. In press, Global  Change  Biology 13:1423–1440..

Barr, A.G., Morgenstern, K., Black, T.A., McCaughey, J.H. 2006a. Surface energy balance closure by the eddy-covariance method above three boreal forest stands and implications for the measurement of the CO2 flux. Agric. For. Meteorol 140, 322-337.

Barr, A.G., Black, T.A., Hogg, E.H., Griffis, T.J., Theede, A., Kljun, N., Morgenstern, K., Nesic, Z. 2006b. Climatic controls on the carbon and water balances of a boreal aspen forest, 1994-2003. Global Change Biol. 12: 1-16.

 

Krishnan, P, Black, T.A., Grant, N.J., Barr, A.G., Hogg, E.H., Jassal, R.S., Morgenstern, K., 2006. Carbon dioxide and water vapour exchange in a boreal aspen forest during and following severe drought. Agricultural and Forest Meteorology. 139, 208-223.

Grant, R.F., Zhang, Y., Yuan, F., Wang, S., Hanson, P.J., Gaumont-Guay, D., Chen, J., Black, T.A., Barr, A.G., Baldocchi, D.D., Arain, A. 2006b. Intercomparison of techniques to model water stress effects on CO2 and energy exchange in temperate and boreal deciduous forests. Ecological Modelling, 196: 289-312.

Ju, W., J. M. Chen, T.A. Black, A.G. Barr, J. Liu, and B. Chen. Modelling multi-year coupled carbon and water fluxes in a boreal aspen forest. Agricultural and Forest Meteorology. (submitted).

Grant, R.F., T.A. Black, D. Gaumont-Guay, N. Kljun, A.G. Barr, K. Morgenstern and Z. Nesic. 2006. Net ecosystem productivity of boreal aspen forests under drought and climate change: mathematical modelling with ecosys. Agricultural and Forest Meteorology. 140, 152-170.

Chen, J.M., Chen, B., Higuchi, K., Chan, D.,  Worthy, D., Tans, P., Black, T.A. 2006. Boreal ecosystems sequestered more carbon in warmer years. Geophys. Res. Lett. 33: L10803, doi:10.1029/2006GL025919.

Betts, A. K., J. H. Ball, A. G. Barr, T. A. Black, J. H. McCaughey and P. Viterbo. 2006. Analysis of ERA-40 biases and surface-BL-cloud coupling using BERMS data. Agricultural and Forest Meteorology. Agric. For. Meteorol. 140: 365-382.

Bernier, P.Y., Bartlett, P., Black, T.A.,  Barr, A.G., Kljun, N., McCaughey, H. 2006. Drought constraints on transpiration and canopy conductance in mature aspen and jack pine stands. Agric. For. Meteorol. 140: 64-78.

Bergeron, O., Margolis, H.A., Black, T.A., Coursolle, C., Dunn, A.L., Barr, A.G., Wofsy, S.C. 2006. Comparison of CO2 fluxes over three boreal black spruce forests in Canada. Global Change Biol. 13: 89-107.

Amiro, B.D., A.L. Orchansky, A.G. Barr, T.A. Black, S.D. Chambers, F.S. Chapin III, M.L. Goulden, M. Litvak, H.P. Liu, J.H. McCaughey, A. McMillan and J.T., 2006a. Randerson. The effect of post-fire stand age on the boreal forest energy balance. Agricultural and Forest Meteorology. 140, 41-50.

Amiro, B.D., Barr, A.G., Black, T.A., Iwashita,  H., Kljun, N., McCaughey, J.H., Morgenstern, K., Murayama, S., Nesic, Z., Orchansky, A.L., Saigusa, N. 2006b. Carbon, energy and water fluxes at mature and disturbed forest sites, Saskatchewan, Canada. Agric For. Meteorol. 136: 237-251.

Gaumont-Guay, D., Black, T.A., Griffis, T.J., Barr, A.G., Jassal, R.S., Nesic, Z., 2006. Interpreting the dependence of soil respiration on soil temperature and water content in a boreal aspen stand. Agricultural and Forest Meteorology. 140,220-235.

Gaumont-Guay, D., Black, T.A., Griffis, T.J., Barr, A.G., Morgenstern, K., Jassal, R.S., Nesic, Z., 2006. Influence of temperature and drought on seasonal and interannual variations of soil, bole and ecosystem respiration in a boreal aspen stand. Agricultural and Forest Meteorology.140, 203-219.

Kljun, N., Black, T.A., Griffis, T.J., Barr, A.G., Gaumont-Guay, D., Morgenstern, K., McCaughey, J.H., Nesic, Z. 2006. Response of net ecosystem productivity of three boreal forest stands to drought. Ecosystems 9: 1128-1144.

Baldocchi, D.D., Black, T.A., Curtis, P., Falge, E., Fuentes, J.D., Granier, A., Gu, L., Knohl, A. et al. 2005. Predicting the onset of photosynthesis of deciduous forests with soil temperature and climate data: A synthesis of FLUXNET data. International J. of Biometeorol. 49: 377-387

Amiro, B.D., A.G. Barr, T.A. Black, H. Iwashita, N. Kljun, J.H. McCaughey, K. Morgenstern, S. Murayama, Z. Nesic, A.L. Orchansky, N. Saigusa. Carbon, energy and water fluxes at mature and disturbed forest sites, Saskatchewan, Canada. Agricultural and Forest Meteorology 136, 237-251.

Baldocchi, D.D., T.A. Black, P. Curtis, E. Falge J.D. Fuentes A. Granier, L. Gu A. Knohl, K. Pilegaard, H.P. Schmid, R. Valentini, K. Wilson, S. Wofsy, L. Xu and S. Yamamoto. Predicting the onset of photosynthesis of deciduous forests with soil temperature and climate data: A synthesis of FLUXNET data. International Journal of Biometeorology 49, 377-387.

Drolet, G.G., Huemmrich, K.F., Hall, F.G., Middleton, E.M., Black, T.A., Barr, A.G., Margolis, H.A. 2006. A MODIS-derived photochemical reflectance index to detect inter-annual variations in the photosynthetic light-use efficiency of a boreal deciduous forest. Remote Sensing of Environ. 98: 212-224.

Iwashita, H., Saigusa, N., Murayama, S., McCaughey, H., Black, T.A., Barr, A.G., Higuchi, K., Yamamoto, S. 2005. Effect of soil water content on CO2 flux at a sparse-canopy forest in the Canadian boreal biome. J. Agric. Meteorol. (Japan Soc. Agric. Meteorol.). 61: 131-141

Black, T.A., Gaumont-Guay, D., Jassal, R.S., Amiro, B.D., Jarvis, P.G., Gower, S.T., Kelliher, F.M.  2005. Measurement of carbon dioxide exchange between the boreal forest and the atmosphere. In Carbon Balance of Forest Biomes, Griffiths, H. and Jarvis, P.G.(eds.), BIOS Scientific Publishers, Oxfordshire, U.K, p 151-185.

Blanken, P.D., Black, T.A. 2004. The canopy conductance of a boreal aspen forest. Hydrological Processes 18: 1561-1578.

Barr, A.G., Black, T.A., Hogg, E.H., Kljun, N., Morgenstern, K., Nesic, Z. 2004. Inter-annual variability in the leaf area index of a boreal aspen-hazelnut forest in relation to net ecosystem production. Agric. For. Meteorol. 126: 237-255.

Griffis, T.J., Black, T.A., Gaumont-Guay, D., Drewitt, G.B., Nesic, Z., Barr, A.G., Morgenstern, K., Kljun, N. 2004. Seasonal variations and partitioning of ecosystem respiration in a southern boreal aspen forest. Agric. For. Meteorol. 125: 207-223.

Blanken, P.D., Black, T.A. 2004. The canopy conductance of a boreal aspen forest. Hydrological Processes 18: 1561-1578.

Griffis, T.J., T. A. Black, K. Morgenstern, A. G. Barr, Z. Nesic, G. B. Drewitt, D. Gaumont-Guay, J. H. McCaughey. 2003. Ecophysiological controls on the carbon balances of three southern boreal forests. Agricultural and Forest Meteorology 117, 53-71.

Gu, L., Baldocchi, D.D., Black, T.A., Verma,  S.B., Vesala, T., Wofsy, S.C. 2003. Phenology of vegetation photosynthesis. In: Phenology: An Integrative Environmental Science. M.D. Schwartz. (ed.) Springer (592 p.)

CLASS

Kothavala, Z., Arain, M.A., Black T.A., Verseghy, D. 2005. The simulation of energy, water vapor and carbon dioxide fluxes over common crops by the Canadian Land Surface Scheme (CLASS) Agric. For. Meteorol. 133: 89-108.

Jassal, R.S., Novak, M. D., Black, T.A. 2003. Effect of surface layer thickness on simultaneous transport of heat and water in a bare soil and its implications for land surface schemes. Atmosphere-Ocean, 41, 259-272.

Wu, A., Black, T.A., Verseghy, D.L., Blanken, P.D., Novak, M.D., Chen, W. and Yang, P.C., 2000. A comparison of parameterizations of canopy conductance of aspen and Douglas-fir forests for CLASS. Atmosphere-Ocean, 38: 81-112.

Wu, A., Black, T.A., Verseghy, D.L., Novak, M.D. and Bailey, W.G., 2000. Testing the a and b methods of estimating evaporation from bate and vegetated surfaces in CLASS. Atmosphere-Ocean, 38: 15-35.