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A Monte Carlo radiative transfer model of satellite waveform LiDAR
2010
International Journal of Remote Sensing
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The model is developed from the FLIGHT radiative transfer model (North, 1996) , based on Monte Carlo simulation of photon transport. ...
We present a method and initial results for a model of the interaction of waveform lidar with a three-dimensional canopy representation. ...
Discussion We have presented a Monte Carlo radiative transfer model of waveform lidar for three-dimensional vegetation canopies, within the framework of the FLIGHT model (North 1996) . ...
doi:10.1080/01431160903380664
fatcat:n7rdtlm4rvh3jg7cer2tyxeuha
Stochastic transport theory for investigating the three-dimensional canopy structure from space measurements
2008
Remote Sensing of Environment
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The stochastic radiative transfer equations naturally admit this measure and thus provide a powerful means to investigate the three-dimensional canopy structure from space. ...
The theory of radiative transfer in stochastic media provides the most logical linkage between satellite observations and the three-dimensional canopy structure through a closed system of simple equations ...
Introduction The three-dimensional (3D) structure of vegetation canopies determines the spatial distribution of intercepted solar radiation which drives various physiological and physical processes integral ...
doi:10.1016/j.rse.2006.05.026
fatcat:aums4fstvzdere5mgrntxjxnju
Optical remote sensing of vegetation: Modeling, caveats, and algorithms
1995
Remote Sensing of Environment
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The state-of-the-art on radiative transfer modeling in vegetation canopies and the application of such models to the interpretation and analysis of remotely sensed optical data is summarized. ...
Modeling of top-of-the-atmosphere and top-of-the-canopy radiance field is developed as boundary value problems in radiative transfer. ...
The hybrid three-dimensional model developed by Welles and Norman (1991) combines the geometrical objects and radiative transfer approaches to simulate the reflectance of heterogeneous vegetation canopies ...
doi:10.1016/0034-4257(94)00073-v
fatcat:qi7ncax7m5dwnb6geagehqotwm
Forest summer albedo is sensitive to species and thinning: how should we account for this in Earth system models?
2014
Biogeosciences
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A stand-level forest gap model is combined with a canopy radiation transfer model and satellite-derived model parameters to quantify the effects of forest thinning on summertime canopy albedo. ...
In addition, Earth system models need to account for forest management in such a way that structural changes in the canopy are described by changes in leaf area index and crown volume (maximum change of ...
We would like to thank Miina Rautiainen for useful comments on an earlier draft of the manuscript. J. Otto and S. ...
doi:10.5194/bg-11-2411-2014
fatcat:ujwvx6wjyffjxfcgqiemzm43r4
PROSPECT+SAIL models: A review of use for vegetation characterization
2009
Remote Sensing of Environment
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The combined PROSPECT leaf optical properties model and SAIL canopy bidirectional reflectance model, also referred to as PROSAIL, has been used for about sixteen years to study plant canopy spectral and ...
This paper provides an extensive review of the PROSAIL developments in the context of canopy biophysics and radiative transfer modeling. ...
Acknowledgments People interested by the models can download them at http:// teledetection.ipgp.jussieu.fr/prosail/ or send a request to the authors. ...
doi:10.1016/j.rse.2008.01.026
fatcat:je3boxgbdnhbhpt6lcf3wdltr4
The spectral signature of coniferous forests: the role of stand structure and leaf area index
2005
Dissertationes Forestales
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First of all, I wish to thank the best possible supervisors -Pauline Stenberg and Tiit Nilson -for all their warm encouragement, kind help and wise words. It is an honor to know you, Pola and Tiit. ...
ACKNOWLEDGEMENTS There are many people to thank. ...
Nevertheless, these models often describe the three dimensional structure of the stands in a more realistic way. ...
doi:10.14214/df.6
fatcat:w35rlwe7afduxbfr4qx2ygvao4
The spectral/temporal manifestation of forest succession in optical imagery
2002
Remote Sensing of Environment
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This study integrates the geometric-optical and radiative transfer (GORT) canopy reflectance model with the ZELIG forest ecosystem dynamics model to study the manifestation of forest succession in optical ...
The simulated effects of topography on successional trajectories exist in the Landsat data. ...
Cohen for his valuable comments on the manuscript and Jim Mayo at the Blue River District Ranger Office of US Forest Service for making stand history data available to this research. ...
doi:10.1016/s0034-4257(02)00046-9
fatcat:o4fhnwainnhr7m2nzhjb43ye3y
Geometric-Optical Bidirectional Reflectance Modeling of a Conifer Forest Canopy
1986
IEEE Transactions on Geoscience and Remote Sensing
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A geometric-optical forest canopy model that treats conifers as cones casting shadows on a contrasting background explains the major anisotropies in bidirectional reflectance measurements of a conifer ...
The model uses parallelray geometry to describe the illumination and viewing of conifers as three-dimensional cones. Cones are randomly placed and overlap freely. ...
We are indebted to him for many helpful comments and suggestions that greatly improved the quality of this paper. ...
doi:10.1109/tgrs.1986.289706
fatcat:6fbvslghavhz5fzaxb66ypkhdm
The Potential of Forest Biomass Inversion Based on Vegetation Indices Using Multi-Angle CHRIS/PROBA Data
2016
Remote Sensing
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We used the Discrete Anisotropic Radiative Transfer (DART) model and the Zelig model to simulate the forest canopy Bidirectional Reflectance Distribution Factor (BRDF) in order to build a look-up table ...
In this study, the angle VIs were designed using all of the angles and bands of a look-up table (LUT), simulated by the Discrete Anisotropic Radiative Transfer (DART) model, to estimate forest biomass, ...
Firstly, the forest growth model, ZELIG, is used to generate forest scenes, which are used to drive the Discrete Anisotropic Radiative Transfer (DART) model, as described in References [30, 31] . ...
doi:10.3390/rs8110891
fatcat:m3b276s6rndlfmk75kz2a3nila
Influence of 3D Spruce Tree Representation on Accuracy of Airborne and Satellite Forest Reflectance Simulated in DART
2019
Forests
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and (ii) to use the reconstructed 3D spruce representations for evaluation of the effects of canopy structure on forest reflectance simulated in the Discrete Anisotropic Radiative Transfer (DART) model ...
For the first time, we demonstrated the capability of the DART model to simulate reflectance of complex coniferous forest scenes up to the level of a single needle (scenario D). ...
skeleton and natural distribution of needle foliage) and (ii) evaluate the effect of canopy structure on forest reflectance as simulated in a radiative transfer model. ...
doi:10.3390/f10030292
fatcat:wlxyvyo4evhpzlftnna3skgztm
A clumped-foliage canopy radiative transfer model for a global dynamic terrestrial ecosystem model. I: Theory
2010
Agricultural and Forest Meteorology
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This scheme has the same computational cost as the current typical scheme being used in GCMs, but promises to provide better canopy radiative transfer estimates for DGVMs, particularly those that model ...
The canopy radiative transfer scheme accounts for both vertical and horizontal heterogeneity of plant canopies by combining the simple two-stream scheme with a well-described actual vertical foliage profile ...
Introduction Calculation of canopy radiative transfer for simulation of coupled biosphere-atmosphere interactions, such as in atmospheric general circulation models (AGCMs) must be able to provide: (1) ...
doi:10.1016/j.agrformet.2010.02.009
fatcat:g5bhvsokirde5d5h7liko3j4zu
Assessing the potential of sun-induced fluorescence and the canopy scattering coefficient to track large-scale vegetation dynamics in Amazon forests
2018
Remote Sensing of Environment
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Two new remote sensing vegetation parameters derived from spaceborne spectrometers and simulated with a three dimensional radiative transfer model have been evaluated in terms of their prospects and drawbacks ...
forests. ...
With thanks to Alexa Oliphant and Troy S. Magney for their thoughtful linguistic revision of the manuscript. ...
doi:10.1016/j.rse.2017.09.025
fatcat:yavoyjtbunatrbntavnetbtjhe
Cutting out the middleman: calibrating and validating a dynamic vegetation model (ED2-PROSPECT5) using remotely sensed surface reflectance
2021
Geoscientific Model Development
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Comparing the ED2 radiative transfer model with another two-stream soil–leaf–canopy radiative transfer model commonly used in remote sensing studies (PRO4SAIL) illustrated structural errors in the ED2 ...
Here, we created the EDR model by coupling the two-stream representation of canopy radiative transfer in the Ecosystem Demography model version 2 (ED2) with a leaf radiative transfer model (PROSPECT-5) ...
Serbin was also supported by the United States Department of Energy contract no. DE-SC0012704 to Brookhaven National Laboratory. ...
doi:10.5194/gmd-14-2603-2021
fatcat:3frxdgzihrghlpa7cviyyb7474
Evaluation of the PROSAIL Model Capabilities for Future Hyperspectral Model Environments: A Review Study
2018
Remote Sensing
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The PROSAIL Model Overview PROSAIL combines the leaf optical properties model PROSPECT with the turbid medium canopy radiative transfer model SAIL. ...
The PROSAIL Model Overview PROSAIL combines the leaf optical properties model PROSPECT with the turbid medium canopy radiative transfer model SAIL. ...
The founding sponsors had no role in the design of the study; in the collection, analyses, or interpretation of data; in the writing of the manuscript, and in the decision to publish the results. ...
doi:10.3390/rs10010085
fatcat:6pepgyohvnhoredguwdyvn6xtq
Analyzing the effect of structural variability and canopy gaps on forest BRDF using a geometric-optical model
1997
Remote Sensing of Environment
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The model represents the forest canopy as a group of discrete tree croums and uses a deterministic ray tracing procedure to generate a two-dimensional .scenc of shadow pattern components. ...
The rru~lul is designed to te.st the eflect of canopy structure parameters on the bidirectional rejectance (If forests and can easily bo adapted to accommodate diflerent croum shape.s, crown sizes, stem ...
The authors wish to thank Steve Plummer for giving advice and support as well as Barry Wyatt, Andrew M&n@on, and Fer-
guu" Gallagher. ...
doi:10.1016/s0034-4257(97)00070-9
fatcat:rwyx2yt54zga7ljiq2eawjkx2e
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