A NEW, AUTOMATED, MULTIANGULAR RADIOMETER INSTRUMENT FOR TOWER-BASED OBSERVATIONS OF CANOPY REFLECTANCE (AMSPEC II)

REFERENCES

• Baldocchi , D. D. Assessing the eddy covariance technique for evaluating carbon dioxide exchange rates of ecosystems: Past, present and future . Global Change Biol. 2003 , 9 ( 4 ), 479 – 492 .
   Web of Science ®Google Scholar
• Black , T. A. ; Denhartog , G. ; Neumann , H. H. Annual cycles of water vapour and carbon dioxide fluxes in and above a boreal aspen forest . Global Change Biol. 1996 , 2 ( 3 ), 219 – 229 .
   Web of Science ®Google Scholar
• Reichstein , M. ; Papale , D. ; Valentini , R. ; Aubinet , M. ; Bernhofer , C. ; Knohl , A. ; Laurila , T. ; Lindroth , A. ; Moors , E. ; Pilegaard , K. ; Seufert , G. Determinants of terrestrial ecosystem carbon balance inferred from European eddy covariance flux sites . Geophys. Res. Lett. 2007 , 34 ( 1 ), 1 – 5 .
   Web of Science ®Google Scholar
• Chen , J. ; Ju , W. ; Cihlar , J. ; Liu , J. ; Leblanc , S. G. ; Lacaze , R. ; Roujean , J. L. Spatial distribution of carbon sources and sinks in Canada's forests . Tellus Ser. B 2003 , 55 , 622 – 641 .
   Google Scholar
• Heinsch , F. A. ; Zhao , M. S. ; Running , S. W. ; Kimball , J. S. ; Nemani , R. R. ; Davis , K. J. ; Bolstad , P. V. ; Cook , B. D. ; Desai , A. R. ; Ricciuto , D. M. ; Law , B. E. ; Oechel , W. C. ; Kwon , H. ; Luo , H. Y. ; Wofsy , S. C. ; Dunn , A. L. ; Munger , J. W. ; Baldocchi , D. D. ; Xu , L. K. ; Hollinger , D. Y. ; Richardson , A. D. ; Stoy , P. C. ; Siqueira , M. B. S. ; Monson , R. K. ; Burns , S. P. ; Flanagan , L. B. Evaluation of remote sensing based terrestrial productivity from Modis using regional tower eddy flux network observations . IEEE Trans. Geosci. Remote Sens. 2006 , 44 ( 7 ), 1908 – 1925 .
   Web of Science ®Google Scholar
• Turner , D. P. ; Urbanski , S. ; Bremer , D. ; Wofsy , S. C. ; Meyers , T. ; Gower , S. T. ; Gregory , M. A cross-biome comparison of daily light use efficiency for gross primary production. Global Change Biol. 2003, 9(3), 383–395.
   Web of Science ®Google Scholar
• Running , S. W. ; Baldocchi , D. D. ; Turner , D. P. ; Gower , S. T. ; Bakwin , P. S. ; Hibbard , K. A. A global terrestrial monitoring network integrating tower fluxes, flask sampling, ecosystem modeling and Eos satellite data . Remote Sens. Environ. 1999 , 70 ( 1 ), 108 – 127 .
   Web of Science ®Google Scholar
• Hall , F. G. ; De Colstoun , E. B. ; Collatz , G. J. ; Landis , D. ; Dirmeyer , P. ; Betts , A. ; Huffman , G. J. ; Bounoua , L. ; Meeson , B. Islscp Initiative II global data sets: Surface boundary conditions and atmospheric forcings for land-atmosphere studies . J. Geophys. Res. Atmos. 2006 , 111 , D22 , 1–2.
   Web of Science ®Google Scholar
• Curran , P. J. Imaging spectrometry for ecological applications . Int. J. Appl. Earth Obs. Geoinf. 2001 , 3 ( 4 ), 305 – 312 .
   Google Scholar
• Prince , S. D. ; Goward , S. N. Global primary production: A remote sensing approach . J. Biogeogr. 1995 , 22 ( 4–5 ), 815 – 835 .
   Web of Science ®Google Scholar
• Curran , P. J. Remote-sensing of foliar chemistry . Remote Sens. Environ. 1989 , 30 ( 3 ), 271 – 278 .
   Web of Science ®Google Scholar
• Gamon , J. A. ; Filella , I. ; Penuelas , J. , eds. The Dynamic 531-Nanometer Reflectance Signal: A Survey of Twenty Angiosperm Species ; Current Topics in Plant Physiol . 8 , pp. 172 – 177 .
   Google Scholar
• Gamon , J. A. ; Penuelas , J. ; Field , C. B. A narrow-waveband spectral index that tracks diurnal changes in photosynthetic efficiency . Remote Sens. Environ. 1992 , 41 ( 1 ), 35 – 44 .
   Web of Science ®Google Scholar
• Datt , B. Remote sensing of chlorophyll a, chlorophyll b, chlorophyll a+b, and total carotenoid content in eucalyptus leaves . Remote Sens. Environ. 1998 , 66 ( 2 ), 111 – 121 .
   Web of Science ®Google Scholar
• Zarco-Tejada , P. J. ; Miller , J. R. ; Mohammed , G. H. ; Noland , T. L. Chlorophyll fluorescence effects on vegetation apparent reflectance: I. Leaf-level measurements and model simulation . Remote Sens. Environ. 2000 , 74 ( 3 ), 582 – 595 .
   Web of Science ®Google Scholar
• Asner , G. Biophysical and biochemical sources of variability in canopy reflectance . Remote Sens. Environ. 1998 , 64 , 234 – 253 .
   Web of Science ®Google Scholar
• Hall , F. G. ; Townshend , J. R. ; Engman , E. T. Status of remote-sensing algorithms for estimation of land-surface state parameters . Remote Sens. Environ. 1995 , 51 ( 1 ), 138 – 156 .
   Web of Science ®Google Scholar
• Hall , F. ; Shimabukuro , Y. ; Huemmrich , K. Remote sensing of forest biophysical structure using mixture decomposition and geometric reflectance models . Ecol. Appl. 1995 , 5 ( 4 ), 993 – 1013 .
   Web of Science ®Google Scholar
• Hilker , T. ; Coops , N. C. ; Hall , F. G. ; Black , T. A. ; Wulder , M. A. ; Nesic , Z. ; Krishnan , P. Separating physiologically and directionally induced changes in PRI using BRDF models . Remote Sens. Environ. 2008 , 112 ( 6 ), 2777 – 2788 .
   Web of Science ®Google Scholar
• Asner , G. P. ; Bateson , C. A. ; Privette , J. L. ; El Saleous , N. ; Wessman , C. A. Estimating vegetation structural effects on carbon uptake using satellite data fusion and inverse modeling . J. Geophys. Res. Atmos. 1998 , 103 ( D22 ), 28839 – 28853 .
   Web of Science ®Google Scholar
• Chen , J. M. ; Liu , J. ; Leblanc , S. G. ; Lacaze , R. ; Roujean , J. L. Multi-angular optical remote sensing for assessing vegetation structure and carbon absorption . Remote Sens. Environ. 2003 , 84 , 516 – 525 .
   Web of Science ®Google Scholar
• Baldocchi , D. ; Falge , E. ; Gu , L. H. ; Olson , R. ; Hollinger , D. ; Running , S. ; Anthoni , P. ; Bernhofer , C. ; Davis , K. ; Evans , R. ; Fuentes , J. ; Goldstein , A. ; Katul , G. ; Law , B. ; Lee , X. H. ; Malhi , Y. ; Meyers , T. ; Munger , W. ; Oechel , W. ; Pilegaard , K. T. P. U. K. ; Schmid , H. P. ; Valentini , R. ; Verma , S. ; Vesala , T. ; Wilson , K. ; Wofsy , S. Fluxnet: A new tool to study the temporal and spatial variability of ecosystem-scale carbon dioxide, water vapor, and energy flux densities . Bull. Am. Meteorol. Soc. 2001 , 82 ( 11 ), 2415 – 2434 .
   Web of Science ®Google Scholar
• Margolis , H. A. ; Flanagan , L. B. ; Amiro , B. D. The Fluxnet-Canada Research Network: Influence of climate and disturbance on carbon cycling in forests and peatlands . Agric. For. Meteorol. 2006 , 140 ( 1–4 ), 1 – 5 .
   Web of Science ®Google Scholar
• Gamon , J. A. ; Rahman , A. F. ; Dungan , J. L. ; Schildhauer , M. ; Huemmrich , K. F. Spectral Network (Specnet)—What is it and why do we need it? Remote Sens. Environ. 2006 , 103 ( 3 ), 227 – 235 .
   Web of Science ®Google Scholar
• Chen , B. Z. ; Black , T. A. ; Coops , N. C. ; Hilker , T. ; Trofymow , J. A. ; Morgenstern , K. Assessing tower flux footprint climatology and scaling between remotely sensed and eddy covariance measurements . Boundary-Layer Meteorol. 2009 , 130 ( 2 ), 137 – 167 .
   Web of Science ®Google Scholar
• Hilker , T. ; Coops , N. C. ; Hall , F. G. ; Black , T. A. ; Chen , B. ; Krishnan , P. ; Wulder , M. A. ; Sellers , P. J. ; Middleton , E. M. ; Huemmrich , K. F. A modeling approach for up-scaling gross ecosystem production to the landscape scale using remote sensing data . J. Geophys. Res. Biogeosci. 2008 , 113 , G03006 .
   Web of Science ®Google Scholar
• Leuning , R. ; Hughes , D. ; Daniel , P. ; Coops , N. C. ; Newnham , G. A multi-angle spectrometer for automatic measurement of plant canopy reflectance spectra. Remote Sens. Environ. 2006, 103(3), 236–245.
   Web of Science ®Google Scholar
• Hilker , T. ; Coops , N. C. ; Coggins , S. ; Wulder , M. A. ; Brown , M. ; Black , T. A. ; Nesic , Z. ; Lessard , D. Detection of foliage conditions and disturbance from multi-angular high spectral resolution remote sensing . Remote Sens. Environ. 2009 , 113 , 421 – 434 .
   Web of Science ®Google Scholar
• Hilker , T. ; Coops , N. C. ; Nesic , Z. ; Wulder , M. A. ; Black , A. T. Instrumentation and approach for unattended year round tower based measurements of spectral reflectance . Comput. Electron. Agric. 2007 , 56 ( 1 ), 72 – 84 .
   Web of Science ®Google Scholar
• Monteith , J. L. Climate and efficiency of crop production in Britain . Philos. Trans. R. Soc. London, Ser. B 1977 , 281 ( 980 ), 277 – 294 .
   Web of Science ®Google Scholar
• Monteith , J. L. Solar-radiation and productivity in tropical ecosystems . J. Appl. Ecol. 1972 , 9 ( 3 ), 747 – 766 .
   Web of Science ®Google Scholar
• Tucker , C. J. ; Sellers , P. J. Satellite remote-sensing of primary production . Int. J. Remote Sens. 1986 , 7 ( 11 ), 1395 – 1416 .
   Web of Science ®Google Scholar
• Sellers , P. J. Canopy reflectance, photosynthesis and transpiration . Int. J. Remote Sens. 1985 , 6 ( 8 ), 1335 – 1372 .
   Web of Science ®Google Scholar
• Tucker , C. Red and photographic infrared linear combinations for monitoring vegetation . Remote Sens. Environ. 1979 , 8 , 127 – 150 .
   Web of Science ®Google Scholar
• Los , S. O. ; Justice , C. O. ; Tucker , C. J. A global 1-degrees-by-1-degrees NDVI data set for climate studies derived from the Gimms Continental NDVI data . Int. J. Remote Sens. 1994 , 15 ( 17 ), 3493 – 3518 .
   Web of Science ®Google Scholar
• Sellers , P. J. ; Tucker , C. J. ; Collatz , G. J. ; Los , S. O. ; Justice , C. O. ; Dazlich , D. A. ; Randall , D. A. A global 1-degrees-by-1-degrees NDVI data set for climate studies. 2. The generation of global fields of terrestrial biophysical parameters from the NDVI . Int. J. Remote Sens. 1994 , 15 ( 17 ), 3519 – 3545 .
   Web of Science ®Google Scholar
• Myneni , R. B. ; Hoffman , S. ; Knyazikhin , Y. ; Privette , J. L. ; Glassy , J. ; Tian , Y. ; Wang , Y. ; Song , X. ; Zhang , Y. ; Smith , G. R. ; Lotsch , A. ; Friedl , M. ; Morisette , J. T. ; Votava , P. ; Nemani , R. R. ; Running , S. W. Global products of vegetation leaf area and fraction absorbed par from year one of Modis data . Remote Sens. Environ. 2002 , 83 ( 1–2 ), 214 – 231 .
   Web of Science ®Google Scholar
• Demmig-Adams , B. ; Adams , W. W. The role of xanthophyll cycle carotenoids in the protection of photosynthesis . Trends Plant Sci. 1996 , 1 ( 1 ), 21 – 26 .
   Web of Science ®Google Scholar
• Barton , C. V. M. ; North , P. R. J. Remote sensing of canopy light use efficiency using the photochemical reflectance index—model and sensitivity analysis . Remote Sens. Environ. 2001 , 78 ( 3 ), 264 – 273 .
   Web of Science ®Google Scholar
• Hall , F. G. ; Hilker , T. ; Coops , N. C. ; Lyapustin , A. ; Huemmrich , F. ; Middleton , E. ; Margolis , H. ; Drolet , G. ; Black , T. Multi-angle remote sensing of forest light use efficiency by observing PRI variation with canopy shadow fraction . Remote Sens. Environ. 2008 , 112 ( 7 ), 3201 – 3211 .
   Web of Science ®Google Scholar
• Penuelas , J. ; Filella , I. ; Gamon , J. A. Assessment of photosynthetic radiation-use efficiency with spectral reflectance . New Phytol. 1995 , 131 ( 3 ), 291 – 296 .
   Web of Science ®Google Scholar
• Gamon , J. A. ; Serrano , L. ; Surfus , J. S. The photochemical reflectance index: An optical indicator of photosynthetic radiation use efficiency across species, functional types, and nutrient levels . Oecologia 1997 , 112 ( 4 ), 492 – 501 .
   PubMed Web of Science ®Google Scholar
• Rahman , A. F. ; Gamon , J. A. ; Fuentes , D. A. ; Roberts , D. A. ; Prentiss , D. Modeling spatially distributed ecosystem flux of boreal forest using hyperspectral indices from Aviris imagery . J. Geophys. Res. Atmos. 2001 , 106 ( D24 ), 33579 – 33591 .
   Web of Science ®Google Scholar
• Asner , G. P. ; Braswell , B. H. ; Schimel , D. S. ; Wessman , C. A. Ecological research needs from multiangle remote sensing data . Remote Sens. Environ. 1998 , 63 , 155 – 165 .
   Web of Science ®Google Scholar
• Chen , J. ; Leblanc , S. A four-scale bidirectional reflectance model based on canopy architecture . IEEE Trans. Geosci. Remote Sens. 1997 , 35 ( 5 ), 1316 – 1337 .
   Web of Science ®Google Scholar
• Hilker , T. ; Lyapustin , A. ; Hall , F. G. ; Wang , Y. ; Coops , N. C. ; Drolet , G. ; Black , T. A. An assessment of photosynthetic light use efficiency from space: Modeling the atmospheric and directional impacts on PRI reflectance . Remote Sens. Environ. 2009 , 113 , 2463 – 2475 .
   Web of Science ®Google Scholar
• Chen , J. M. ; Menges , C. H. ; Leblanc , S. G. Global mapping of foliage clumping index using multi-angular satellite data . Remote Sens. Environ. 2005 , 97 ( 4 ), 447 – 457 .
   Web of Science ®Google Scholar
• Richardson , A. D. ; Hollinger , D. Y. ; Dail , D. B. ; Lee , J. T. ; Munger , J. W. ; O' Keefe , J. Influence of spring phenology on seasonal and annual carbon balance in two contrasting New England forests . Tree Physiol. 2009 , 29 ( 3 ), 321 – 331 .
   PubMed Web of Science ®Google Scholar
• Reda , I. ; Andreas , A. Solar position algorithm for solar radiation applications . Sol. Energy 2004 , 76 ( 5 ), 577 – 589 .
   Web of Science ®Google Scholar
• Crawford , P. S. ; Brooks , A. R. ; Brush , R. J. H. Fast navigation of AVHRR images using complex orbital models. Int. J. Remote Sens. 1996, 17(1), 197–212.
   Web of Science ®Google Scholar
• Kelso , T. S. Validation of SGP4 and IS-GPS-200D against GPS precision ephemerides. Paper presented at the AAS/AIAA 17th Space Flight Mechanics Meeting , Sedona , AZ , USA , Jan. 28–Feb 1, 2007 .
   Google Scholar
• Morgenstern , K. ; Black , T. A. ; Humphreys , E. R. ; Griffis , T. J. ; Drewitt , G. B. ; Cai , T. B. ; Nesic , Z. ; Spittlehouse , D. L. ; Livingstone , N. J. Sensitivity and uncertainty of the carbon balance of a Pacific Northwest Douglas-fir forest during an El Nino La Nina Cycle . Agric. For. Meteorol. 2004 , 123 ( 3–4 ), 201 – 219 .
   Web of Science ®Google Scholar
• Gamon , J. A. ; Cheng , Y. F. ; Claudio , H. ; MacKinney , L. ; Sims , D. A. A mobile tram system for systematic sampling of ecosystem optical properties . Remote Sens. Environ. 2006 , 103 ( 3 ), 246 – 254 .
   Web of Science ®Google Scholar
• Bock , R. K. Dark current . Available at: http://rd11.web.cern.ch/RD11/rkb/PH14pp/node40.html, October 2006 .
   Google Scholar
• Roujean , J. L. ; Leroy , M. ; Deschamps , P. Y. A bidirectional reflectance model of the earths surface for the correction of remote-sensing data . J. Geophys. Res. Atmos. 1992 , 97 ( D18 ), 20455 – 20468 .
   Web of Science ®Google Scholar
• Wanner , W. ; Li , X. ; Strahler , A. H. On the derivation of kernels for kernel-driven models of bidirectional reflectance . J. Geophys. Res. Atmos. 1995 , 100 ( D10 ), 21077 – 21089 .
   Web of Science ®Google Scholar
• Wanner , W. ; Strahler , A. H. ; Hu , B. ; Lewis , P. ; Muller , J. P. ; Li , X. ; Schaaf , C. L. B. ; Barnsley , M. J. Global retrieval of bidirectional reflectance and albedo over land from Eos Modis and Misr data: Theory and algorithm . J. Geophys. Res. Atmos. 1997 , 102 ( D14 ), 17143 – 17161 .
   Web of Science ®Google Scholar
• Li , X. W. ; Strahler , A. H. ; Woodcock , C. E. A hybrid geometric optical-radiative transfer approach for modeling albedo and directional reflectance of discontinuous canopies . IEEE Trans. Geosci. Remote Sens. 1995 , 33 ( 2 ), 466 – 480 .
   Web of Science ®Google Scholar
• Ross , J. K. The Radiation Regime and Architecture of Plant Stands ; Dr. W. Junk Publishers : The Hague , 1981 .
   Google Scholar
• Justice , C. ; Markham , B. ; Townsend , F. ; Kennard , R. Spatial degradation of satellite data . 1989 , 10 ( 9 ), 1539 – 1561 .
   Google Scholar
• Hilker , T. ; Coops , N. C. ; Schwalm , C. R. ; Jassal , R. S. ; Black , T. A. ; Krishnan , P. Effects of mutual shading of tree crowns on prediction of photosynthetic light-use efficiency in a coastal Douglas-fir forest . Tree Physiol. 2008 , 28 , 825 – 834 .
   PubMed Web of Science ®Google Scholar
• Yuan , W. P. ; Liu , S. ; Zhou , G. S. ; Zhou , G. Y. ; Tieszen , L. L. ; Baldocchi , D. ; Bernhofer , C. ; Gholz , H. ; Goldstein , A. H. ; Goulden , M. L. ; Hollinger , D. Y. ; Hu , Y. ; Law , B. E. ; Stoy , P. C. ; Vesala , T. ; Wofsy , S. C. Deriving a light use efficiency model from eddy covariance flux data for predicting daily gross primary production across biomes . Agric. For. Meteorol. 2007 , 143 ( 3–4 ), 189 – 207 .
   Web of Science ®Google Scholar
• Van Dijk , A. ; Dolman , A. J. Estimates of CO2 uptake and release among European forests based on eddy covariance data . Global Change Biol. 2004 , 10 ( 9 ), 1445 – 1459 .
   Web of Science ®Google Scholar
• Middleton , E. ; Cheng , Y. B. ; et al. . Linking foliage spectral responses to canopy-level ecosystem photosynthetic light-use efficiency at a Douglas-fir forest in Canada . Canadian J. Remote Sens. 2009 , 35 , 166 – 188 .
   Web of Science ®Google Scholar
• Nightingale , J. M. ; Morisette , J. T. ; Wolfe , R. E. ; Tan , B. ; Gao , F. ; Ederer , G. ; Collatz , G. J. ; Turner , D. P. Temporally smoothed and gap-filled MODIS land products for carbon modelling: Application of the fPAR product . Int. J. Remote Sens. 2009 , 30 ( 4 ), 1083 – 1090 .
   Web of Science ®Google Scholar
• Piao , S. L. ; Friedlingstein , P. ; Ciais , P. ; Viovy , N. ; Demarty , J. Growing season extension and its impact on terrestrial carbon cycle in the Northern Hemisphere over the past 2 decades . Global Biogeochem. Cycles 2007 , 21 ( 3 ).
   Web of Science ®Google Scholar
• Van Wijk , M. T. ; Williams , M. ; Laundre , J. A. ; Shaver , G. R. Interannual variability of plant phenology in tussock tundra: Modelling interactions of plant productivity, plant phenology, snowmelt and soil thaw . Global Change Biol. 2003 , 9 ( 5 ), 743 – 758 .
   Web of Science ®Google Scholar
• Schalles , J. F. ; Gitelson , A. A. ; Yacobi , Y. Z. ; Kroenke , A. E. Estimation of chlorophyll a from time series measurements of high spectral resolution reflectance in an eutrophic lake . J. Phycol. 1998 , 34 ( 2 ), 383 – 390 .
   Web of Science ®Google Scholar
• Gitelson , A. A. ; Vina , A. ; Verma , S. B. ; Rundquist , D. C. ; Arkebauer , T. J. ; Keydan , G. ; Leavitt , B. ; Ciganda , V. ; Burba , G. G. ; Suyker , A. E. Relationship between gross primary production and chlorophyll content in crops: Implications for the synoptic monitoring of vegetation productivity . J. Geophys. Res. Atmos. 2006 , 111 ( D8 ).
   Web of Science ®Google Scholar