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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  
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  ...  (3D) radiative transfer (RT) modeling methods.  ...  This requires to model radiative transfer of both the atmosphere above and the air among urban objects.  ... 
doi:10.5772/63887 fatcat:mnlp3qn46jfyhbjzn34upnfdxu

INTRODUCTION OF CLOUDS IN DART MODEL

Y. Wang, J. Grimaldi, L. Landier, E. Chavanon, J. P. Gastellu-Etchegorry
2020 The International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences  
However, most radiative transfer models dedicated to Earth surfaces, such as DART (Discrete Anisotropic Radiative Transfer), simulate only cloudless atmospheres.  ...  They were modelled as layered one-dimensional medium that coexists with gases and aerosols. The atmospheric radiative transfer modelling relies on the discrete ordinate method already in DART.  ...  We are grateful to the DART team computer scientists Dr. Nicolas Lauret and Jordan Guilleux for their support.  ... 
doi:10.5194/isprs-archives-xliii-b3-2020-843-2020 fatcat:i4kynjt5nfhi5laabn2frmvi2m

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  
Some of these aspects are discussed here with the brief presentation of DART (Discrete Anisotropic Radiative Transfer) model.  ...  Radiative transfer (R.T.) models have the potential for correcting this type of error provided they account for the three dimensional (3D) nature of Earth surfaces.  ...  Concluding remarks Some major and recent improvements of DART radiative transfer model are presented in this paper.  ... 
doi:10.5772/31315 fatcat:weme7aexircbvlx3lthawmegym

Hybrid Scene Structuring for Accelerating 3D Radiative Transfer Simulations

Jianbo Qi, Tiangang Yin, Donghui Xie, Jean-Philippe Gastellu-Etchegorry
2019 Remote Sensing  
The hybrid scheme is implemented in the Discrete Anisotropic Radiative Transfer (DART) model by integrating the Embree ray-tracing kernels developed at Intel.  ...  Three-dimensional (3D) radiative transfer models are the most accurate remote sensing models.  ...  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

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  
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.  ...  The authors are grateful for the Toulouse city geo-database provided by Toulouse town hall and thankful to all scientists who contributed to DART development since its first steps in 1992.  ...  Some models, such as the Discrete Anisotropic Radiative Transfer (DART) model [20] , directly simulate the Earth-atmosphere interactions using inputs from soil and leaf RT models.  ... 
doi:10.3390/rs70201667 fatcat:7e7lfgf64nft3gwzxythvc6g4m

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

Evaluation of the DART 3D model in the thermal domain using satellite/airborne imagery and ground-based measurements

J. A. Sobrino, C. Mattar, J. P. Gastellu-Etchegorry, J. C. Jiménez-Muñoz, E. Grau
2011 International Journal of Remote Sensing  
This work provides an evaluation of the Discrete Anisotropy Radiative Transfer (DART) 3-dimensional model to assess the simulation of directional brightness temperatures both at-sensor and at-surface levels  ...  performed over the imagery and the one included in the DART model, specially for bands located in lowest atmospheric transmissivity regions, and iii) RMSEs higher than 2 K when comparing DART results  ...  Acknowledgement The authors wish to thank in part to the Ministerio de Educación y Ciencia (TERMASAT, project ESP2005-07724-C05-04; EODIX project AYA2008-0595-C04-01), for their financial support, in addition  ... 
doi:10.1080/01431161.2010.524672 fatcat:mpi6b66fz5ghhh7tdprzizwvde

Investigating the impact of overlying vegetation canopy structures on fire radiative power (FRP) retrieval through simulation and measurement

G. Roberts, M.J. Wooster, N. Lauret, J.-P. Gastellu-Etchegorry, T. Lynham, D. McRae
2018 Remote Sensing of Environment  
The Discrete Anisotropic Radiative Transfer 21 (DART) model is used to simulate above-canopy observations made through 3D 22 42 majority of fire activity occurring in areas where percentage tree cover  ...  Introduction 52 Landscape fire is a global, highly dynamic Earth system process, altering 53 surface structural and radiative properties and releasing aerosols and trace gases into 54 the atmosphere (Arora  ...  by 204 Kallel and Gastellu-Etchegorry (2017) and Gullevic et al. (2003) . 205 DART is capable of simulating atmospheric radiative transfer at the surface 206 and in the atmosphere, so in addition  ... 
doi:10.1016/j.rse.2018.08.015 fatcat:4ba5wtvhefaxlkxeufdjc7m4ym

The SPART model: A soil-plant-atmosphere radiative transfer model for satellite measurements in the solar spectrum

Peiqi Yang, Christiaan van der Tol, Tiangang Yin, Wout Verhoef
2020 Remote Sensing of Environment  
A B S T R A C T Radiative transfer models (RTMs) of vegetation canopies can be applied for the retrieval of numerical values of vegetation properties from satellite data.  ...  The resulting 'Soil-Plant-Atmosphere Radiative Transfer model' (SPART) simulates directional TOA spectral observations, with all major effects included, such as sun-observer geometries and non-Lambertian  ...  The model is freely available on Github (https://github.com/peiqiyang/SPART).  ... 
doi:10.1016/j.rse.2020.111870 fatcat:m22kldk5eberfehwggejtcftx4

AMARTIS v2: 3D Radiative Transfer Code in the [0.4; 2.5 µm] Spectral Domain Dedicated to Urban Areas

Colin Thomas, Stéphanie Doz, Xavier Briottet, Sophie Lachérade
2011 Remote Sensing  
However, in order to develop such techniques, a radiative transfer tool dedicated to such an area is necessary.  ...  It allows to simulate airborne and spaceborne multiangular observations of 3D scenes in the [0.4; 2.5µm] domain with the ground's geometry, urban materials optical properties, atmospheric modeling and  ...  The atmospheric radiative properties are modeled in AMARTIS v2 thanks to the radiative transfer code 6S [19] .  ... 
doi:10.3390/rs3091914 fatcat:ol6bmzhcoramjb35mjg3rqkb3y

Impact of 3-D Structures and Their Radiation on Thermal Infrared Measurements in Urban Areas

Xiaopo Zheng, Maofang Gao, Zhao-Liang Li, Kun-Shan Chen, Xia Zhang, Guofei Shang
2020 IEEE Transactions on Geoscience and Remote Sensing  
ATIMOU is also compared to the discrete anisotropic radiative transfer (DART) model.  ...  Current 3-D radiative transfer models are generally based on time-consuming numerical integrations whose solutions are not analytical, and are therefore difficult to exploit in the methods of physical  ...  Xiaoyue Gong for her assistance in the English editing.  ... 
doi:10.1109/tgrs.2020.2987880 fatcat:qwk3qrjadbhr3fyuhw3fukxzxq

Quantitative Analysis of DART Calibration Accuracy for Retrieving Spectral Signatures Over Urban Area

Zhijun Zhen, Jean-Philippe Gastellu-Etchegorry, Shengbo Chen, Tiangang Yin, Eric Chavanon, Nicolas Lauret, Jordan Guilleux
2021 IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing  
modeling, and modulation transfer function (MTF).  ...  However, up to now, it has only been validated by comparing the time series of SW radiative budget Q * SW from a flux tower in Basel to DART simulated Q * SW using maps of SS derived from satellite images  ...  Also, the DART atmosphere radiative transfer module [41, 42] was not used because the satellite image was assumed to be atmospherically corrected.  ... 
doi:10.1109/jstars.2021.3110811 fatcat:xpovrudvtjh6xlybj5ypblscyy

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.  ...  Yingji Zhou for providing valuable in-situ measurements data in Chengde, and this data set was provided by the Chengde Remote Sensing Experimental Station, State Key Laboratory of Remote Sensing Sciences  ... 
doi:10.1109/tgrs.2022.3149762 fatcat:c6iswcht5je7xpu3x33xurvu7q

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

Z MALENOVSKY, E MARTIN, L HOMOLOVA, J GASTELLUETCHEGORRY, R ZURITAMILLA, M SCHAEPMAN, R POKORNY, J CLEVERS, P CUDLIN
2008 Remote Sensing of Environment  
We used such a high resolution to be able to parameterize DART in an appropriate way and subsequently to gain detailed understanding of the influence of woody elements contributing to the radiative transfer  ...  Remote Sensing of Environment, Elsevier, 2008, 112, pp.Abstract A detailed sensitivity analysis investigating the effect of woody elements introduced into the Discrete Anisotropic Radiative Transfer (DART  ...  The DART model The DART model simulates radiative transfer in complex 3D scenes, i.e. urban and natural Earth landscapes possibly with the topography and the atmosphere present.  ... 
doi:10.1016/j.rse.2006.02.028 fatcat:upew4uf6dff6jceurdcakka3gy

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.  ...  These results present perspectives for using DART model in inversion mode. Index Terms-DART, 3D modeling, eucalypt, radiative transfer model, remote sensing I.  ...  DART has been successfully compared with other 3D models throughout the RAdiative transfer Models Intercomparison -RAMI exercise [34] , [35] under several conditions.  ... 
doi:10.1109/jstars.2017.2690000 fatcat:gv5uyiky4ng5llipnjk622osxq
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