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DART: A 3D Model for Remote Sensing Images and Radiative Budget of Earth Surfaces [chapter]

J.P. Gastellu-Etchegorry, E. Grau, N. Lauret
2012 Modeling and Simulation in Engineering  
As a result, the present DART model simulates the radiation budget and remote sensing images of vegetation and urban canopies, for any experimental (sun direction, canopy heterogeneity, topography, atmosphere  ...  Neglect of the 3D structure of canopies can lead to large errors on the 3D radiation budget and remote sensing measurements.  ...  Only BRFs could be compared because DART was the only 3-D model that simulates images.  ... 
doi:10.5772/31315 fatcat:weme7aexircbvlx3lthawmegym

Modeling Mean Radiant Temperature Distribution in Urban Landscapes Using DART

Maria Angela Dissegna, Tiangang Yin, Hao Wu, Nicolas Lauret, Shanshan Wei, Jean-Philippe Gastellu-Etchegorry, Adrienne Grêt-Regamey
2021 Remote Sensing  
We present a new method to produce detailed modeling of Tmrt spatial distribution using the 3-D Discrete Anisotropic Radiation Transfer model (DART).  ...  and of vegetation, (3) precise representation of the vegetation component, and (4) capability to assimilate 3-D inputs derived from multisource remote sensing data.  ...  This study explored the potential of using the 3-D physically based RTM DART to model Tmrt.  ... 
doi:10.3390/rs13081443 fatcat:zv4chtshmvbidjujlayocv4gsq

Discrete Anisotropic Radiative Transfer (DART 5) for Modeling Airborne and Satellite Spectroradiometer and LIDAR Acquisitions of Natural and Urban Landscapes

Jean-Philippe Gastellu-Etchegorry, Tiangang Yin, Nicolas Lauret, Thomas Cajgfinger, Tristan Gregoire, Eloi Grau, Jean-Baptiste Feret, Maïlys Lopes, Jordan Guilleux, Gérard Dedieu, Zbyněk Malenovský, Bruce Cook (+6 others)
2015 Remote Sensing  
Satellite and airborne optical sensors are increasingly used by scientists, and OPEN ACCESS  ...  satellite".  ...  Part of the work was conducted in the frame of the NASA project "DART-LIDAR". Contribution of J.-B. Féret was supported by a CNES post-doctoral research grant and contribution of Z.  ... 
doi:10.3390/rs70201667 fatcat:7e7lfgf64nft3gwzxythvc6g4m

Simulating the Canopy Reflectance of Different Eucalypt Genotypes With the DART 3-D Model

Julianne de Castro Oliveira, Jean-Baptiste Feret, Flavio Jorge Ponzoni, Yann Nouvellon, Jean-Philippe Gastellu-Etchegorry, Otavio Camargo Campoe, Jose Luiz Stape, Luiz Carlos Estraviz Rodriguez, Guerric le Maire
2017 IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing  
Simulating the canopy reflectance of different eucalypt genotypes with the DART 3-D model.  ...  Leaves, trunks and forest floor optical properties are shown on Fig. 3 for each genotype.  ...  Comparison of DART simulations with Pleiades satellite image The TOC reflectances simulated by DART and acquired by the Pleiades sensor at the four multispectral bands for each genotype are shown on Fig  ... 
doi:10.1109/jstars.2017.2690000 fatcat:gv5uyiky4ng5llipnjk622osxq

Influence of 3D Spruce Tree Representation on Accuracy of Airborne and Satellite Forest Reflectance Simulated in DART

Růžena Janoutová, Lucie Homolová, Zbyněk Malenovský, Jan Hanuš, Nicolas Lauret, Jean-Philippe Gastellu-Etchegorry
2019 Forests  
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).  ...  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  ...  In this study, we used the DART model, which simulates in-situ and RS acquisitions (LiDAR data and images in the optical and thermal spectral domains) and also the radiative budget of any landscape configuration  ... 
doi:10.3390/f10030292 fatcat:wlxyvyo4evhpzlftnna3skgztm

3-D Reconstruction of an Urban Landscape to Assess the Influence of Vegetation in the Radiative Budget

Maria Angela Dissegna, Tiangang Yin, Shanshan Wei, Dan Richards, Adrienne Grêt-Regamey
2019 Forests  
Then, the 3-D Discrete Anisotropic Radiative Transfer (DART) model was repurposed to estimate the radiation absorbed by the urban surfaces accounting for the presence of vegetation cover with changing  ...  In a first step, a detailed 3-D model of Singapore including buildings and vegetation was reconstructed using a combination of free and commercial Earth Observation data.  ...  Acknowledgments: The authors would like to thank Jean-Philippe Gastellu and the DART team of CESBIO (CNES, CNRS, IRD, University of Toulouse) for the consistent support with DART model and Erik Velasco  ... 
doi:10.3390/f10080700 fatcat:fobvqy6lwzafhjsga6hwim5dxm

Assessing the effects of the clumping phenomenon on BRDF of a maize crop based on 3D numerical scenes using DART model

Sylvie Duthoit, Valérie Demarez, Jean-Philippe Gastellu-Etchegorry, Emmanuel Martin, Jean-Louis Roujean
2008 Agricultural and Forest Meteorology  
Assessing the effects of the clumping phenomenon on BRDF of a maize crop based on 3D numerical scenes using DART model. Agricultural and Forest Meteorology, Elsevier Masson, 2008, 148, pp.1341-1352  ...  Valé rie Le Dantec and Dr. Anne Chaponniè re for their help in that work.  ...  Description of the DART model General features The DART model ( simulates BRDF, remote sensing images and the spectral radiation budget of 3D natural (e.g., trees,  ... 
doi:10.1016/j.agrformet.2008.03.011 fatcat:7er7vfbyozcfjhvafmo4lfgfbm

Remote Sensing Studies of Urban Canopies: 3D Radiative Transfer Modeling [chapter]

Lucas Landier, Nicolas Lauret, Tiangang Yin, Ahmad Al Bitar, JeanPhilippe Gastellu-Etchegorry, Christian Feigenwinter, Eberhard Parlow, Zina Mitraka, Nektarios Chrysoulakis
2016 Sustainable Urbanization  
After presenting DART and its recent RT modeling functions, we present a methodological concept for estimating urban fluxes using any satellite image data.  ...  The discrete anisotropic radiative transfer (DART) model, one of the most comprehensive physically based 3D models simulating Earth/atmosphere radiation interactions, was used in combination with satellite  ...  Finally, both methods rely on the fact that DART is a reliable RT model simulating both satellite images and the radiative budget of cities with an acceptable accuracy.  ... 
doi:10.5772/63887 fatcat:mnlp3qn46jfyhbjzn34upnfdxu

Influence of woody elements of a Norway spruce canopy on nadir reflectance simulated by the DART model at very high spatial resolution

2008 Remote Sensing of Environment  
These imaging spectrometer data were acquired over the same Norway spruce stand that was used to parameterise the DART model.  ...  The Norway spruce canopy modelled using the DART model consisted of foliage as well as foliage including robust woody constituents (i.e. trunks and branches).  ...  Acknowledgements This study was carried out within the ESA/PECS project No. 98029 and the Research Plan AV0Z6087904 of the Institute of System Biology and Ecology, Academy of Sciences of the Czech Republic  ... 
doi:10.1016/j.rse.2006.02.028 fatcat:upew4uf6dff6jceurdcakka3gy

3D modeling of satellite spectral images, radiation budget and energy budget of urban landscapes

J. P. Gastellu-Etchegorry
2008 Meteorology and atmospheric physics (Print)  
Finally, preliminary results from DARTEB 50 are compared with ground measurements of the 51 CAPITOUL project. 3D Modeling of satellite spectral images, radiation budget and energy budget of urban landscapes  ...  15 Summary 16 DART EB is a model that is being developed for simulating 17 the 3D (3 dimensional) energy budget of urban and natural 18 scenes, possibly with topography and atmosphere.  ...  Computation of T figure , without (a) and with (b) account of the area of figures 3D Modeling of satellite spectral images, radiation budget and energy budget of urban landscapes 13 1 DART was used for  ... 
doi:10.1007/s00703-008-0344-1 fatcat:itz2tuy32rdgpl5bv244lfrjoi

Simulation-Based Evaluation of the Estimation Methods of Far-Red Solar-Induced Chlorophyll Fluorescence Escape Probability in Discontinuous Forest Canopies

Weiwei Liu, Shezhou Luo, Xiaoliang Lu, Jon Atherton, Jean-Philippe Gastellu-Etchegorry
2020 Remote Sensing  
In this study, the Discrete Anisotropic Radiative Transfer (DART) model is used to simulate canopy-leaving SIF, canopy total emitted SIF, canopy interceptance, and the fraction of absorbed photosynthetically  ...  Our results show that additional errors will be introduced to the estimation of SIF escape probability with the use of satellite products, especially when the product of leaf area index (LAI) and clumping  ...  Acknowledgments: We thank Esko Oksa of Natural Resources Institute (Luke) of Finland for Lidar data acquisition, and Dr. Anu Riikonen for supplementary leaf level fluorescence data collection.  ... 
doi:10.3390/rs12233962 fatcat:l7kquuitfnchdfkrfo24nunewm

Urban energy exchanges monitoring from space

Nektarios Chrysoulakis, Sue Grimmond, Christian Feigenwinter, Fredrik Lindberg, Jean-Philippe Gastellu-Etchegorry, Mattia Marconcini, Zina Mitraka, Stavros Stagakis, Ben Crawford, Frans Olofson, Lucas Landier, William Morrison (+1 others)
2018 Scientific Reports  
Here we show the potential of the current satellite missions to retrieve urban energy budget fluxes, supported by meteorological observations and evaluated by direct flux measurements.  ...  We found an agreement within 5% between satellite and in-situ derived net all-wave radiation; and identified that wall facet fraction and urban materials type are the most important parameters for estimating  ...  Acknowledgements The research was conducted in the framework of the project URBANFLUXES (, that has received funding from the European Union  ... 
doi:10.1038/s41598-018-29873-x pmid:30065389 pmcid:PMC6068159 fatcat:ebc2rhtcgbgwvnoyvppeeyeura

Landsat snow-free surface albedo estimation over sloping terrain: Algorithm development and evaluation

Yichuan Ma, Tao He, Shunlin Liang, Jianguang Wen, Jean-Philippe Gastellu-Etchegorry, Jiang Chen, Anxin Ding, Siqi Feng
2022 IEEE Transactions on Geoscience and Remote Sensing  
We simulated a dataset of Landsat top-of-atmosphere (TOA) reflectance and surface albedo with Discrete Anisotropic Radiative Transfer (DART) model, for variable atmospheric, vegetation, soil and topography  ...  Surface albedo plays a key role in global climate modeling as a factor controlling the energy budget.  ...  ACKNOWLEDGMENT The authors acknowledge United States Geological Survey and NASA Earth Science Data Systems for the provision of Landsat data and SRTM DEM. The authors thank Prof. Guangjian Yan, Prof.  ... 
doi:10.1109/tgrs.2022.3149762 fatcat:c6iswcht5je7xpu3x33xurvu7q

Hybrid Scene Structuring for Accelerating 3D Radiative Transfer Simulations

Jianbo Qi, Tiangang Yin, Donghui Xie, Jean-Philippe Gastellu-Etchegorry
2019 Remote Sensing  
In this paper, the performance of the hybrid algorithm is compared with the original uniform grid approach implemented in DART for a 3D city scene and a forest scene.  ...  However, presently the application of 3D models to heterogeneous Earth scenes is a computationally intensive task.  ...  The authors would like to thank Nicolas Lauret, Jordan Guilleux and Eric Chavanon for their great help in compiling the code and the improvement of the DART model.  ... 
doi:10.3390/rs11222637 fatcat:sb33p2cflbbhnkaaavfbfhog74

A model-based performance test for forest classifiers on remote-sensing imagery

Stéphane Couturier, Jean-Philippe Gastellu-Etchegorry, Pavka Patiño, Emmanuel Martin
2009 Forest Ecology and Management  
A model-based performance test for forest classifiers on remote-sensing imagery. Forest Ecology and Management, Elsevier, 2009, 257, pp.  ...  We are indebted to the entire team that develops the DART model.  ...  Field work was carried out with a local team composed of biologists, botanists and technical foresters in the community of San Juan Parangaricutiro, Tancítaro, in the ejido village of La Perla de San Martin  ... 
doi:10.1016/j.foreco.2008.08.017 fatcat:erkhxu3h7ra7tdqzelnl7ede2a
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