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Estimating leaf area index by coupling radiative transfer model and a dynamic model from multi-source remote sensing data

Xiyan Wu, Zhiqiang Xiao, Jindi Wang
2009 2009 IEEE International Geoscience and Remote Sensing Symposium  
Leaf area index (LAI) is an important parameter in canopy interception, evapotranspiration, and net photosynthesis. Satellite remote sensing enables derivation of LAI globally at desired  ...  The algorithm couples a canopy radiative transfer model with a LAI temporal profile model.  ...  The radiative transfer model is coupled with plant growth model through LAI to simulate the time series reflectance.  ... 
doi:10.1109/igarss.2009.5417846 dblp:conf/igarss/WuXW09 fatcat:w7legs7t4nhqveybezgtavtycq

Use of coupled canopy structure dynamic and radiative transfer models to estimate biophysical canopy characteristics

Benjamin Koetz, Frédéric Baret, Hervé Poilvé, Joachim Hill
2005 Remote Sensing of Environment  
(CSDM) coupled with a radiative transfer model (RTM).  ...  Leaf area index (LAI) is a key variable for the understanding of several eco-physiological processes within a vegetation canopy.  ...  Acknowledgements The European commission supported this study through the project Crop Reflectance Operational Models for Agriculture (CROMA), EC-Contract Nr. EVG1-CT-2000-00027.  ... 
doi:10.1016/j.rse.2004.11.017 fatcat:2ovcrzfravahpguosueaqmu43i

Characterization of seasonal variation of forest canopy in a temperate deciduous broadleaf forest, using daily MODIS data

Qingyuan Zhang, Xiangming Xiao, Bobby Braswell, Ernst Linder, Scott Ollinger, Marie-Louise Smith, Julian P. Jenkins, Fred Baret, Andrew D. Richardson, Berrien Moore, Rakesh Minocha
2006 Remote Sensing of Environment  
leafcanopy radiative transfer model (PROSAIL-2) and daily MODIS data.  ...  We also estimate the fractions of photosynthetically active radiation (PAR) absorbed by vegetation canopy (FAPAR canopy ), leaf (FAPAR leaf ), and chlorophyll (FAPAR chl ), respectively, using a coupled  ...  Bauer and the anonymous referees whose careful reviews resulted in a more meaningful analysis and a much improved manuscript.  ... 
doi:10.1016/j.rse.2006.06.013 fatcat:yo6a53hbwrbq7n6axjs72wqz5u

Application of Landsat ETM+ and OLI Data for Foliage Fuel Load Monitoring Using Radiative Transfer Model and Machine Learning Method

Xingwen Quan, Yanxi Li, Binbin He, Geoffrey Cary, Gengke Lai
2021 IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing  
This study applied Landsat 7 ETM+ and 8 OLI data for FFL retrieval using radiative transfer model (RTM) and machine learning method.  ...  Foliage fuel load (FFL) is a critical factor affecting crown fire intensity and rate of spread. Satellite observations provide the potential for monitoring FFL dynamics across large areas.  ...  ACKNOWLEDGMENT The authors are grateful to the ONERA, ESA, and BioSAR team for providing the BioSAR 2008 datasets for validating the performance of the methodology presented in this study.  ... 
doi:10.1109/jstars.2021.3062073 fatcat:fwnmxt2zoncytkfnvnutogzqea

Cutting out the middleman: calibrating and validating a dynamic vegetation model (ED2-PROSPECT5) using remotely sensed surface reflectance

Alexey N. Shiklomanov, Michael C. Dietze, Istem Fer, Toni Viskari, Shawn P. Serbin
2021 Geoscientific Model Development  
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)  ...  Importantly, calibrating against radiative transfer outputs allows models to directly use remote sensing reflectance products without relying on highly derived products (such as MODIS leaf area index)  ...  This paper was edited by Christoph Müller and reviewed by Tristan Quaife and one anonymous referee.  ... 
doi:10.5194/gmd-14-2603-2021 fatcat:3frxdgzihrghlpa7cviyyb7474

Estimating light absorption by chlorophyll, leaf and canopy in a deciduous broadleaf forest using MODIS data and a radiative transfer model

2005 Remote Sensing of Environment  
We modified and coupled a leaf radiative transfer model (PROSPECT) and a canopy radiative transfer model (SAIL-2), and incorporated a Markov Chain Monte Carlo (MCMC) method (the Metropolis algorithm) for  ...  In this paper, we present a theoretical and modeling framework to estimate the fractions of photosynthetically active radiation (PAR) absorbed by vegetation canopy (FAPAR canopy ), leaf (FAPAR leaf ),  ...  Stephane Jacquemoud for kindly providing his PROSPECT model code. We thank Dr. John Aber and Dr. George Hurtt for their useful advice and support. We thank Dr. Robert Wolfe, and Dr.  ... 
doi:10.1016/j.rse.2005.09.009 fatcat:b6pe3kmpf5aznkcmdcpeedi3vu

Quantitative retrieval of biogeophysical characteristics using imaging spectroscopy - a mountain forest case study

M.E. Schaepman, B. Koetz, G. Schaepman-Strub, N.E. Zimmermann, K.I. Itten
2004 Community Ecology  
Abbreviations: DAIS -Digital Airborne Imaging Spectrometer; LAI -Leaf Area Index; LUT -Lookup Table; NIR -Near Infrared part of the spectrum; RMSE -Root Mean Square Error; RTM -Radiative Transfer Model  ...  We constrain the inversion of a radiative transfer model (GeoSAIL) to retrieve parameters such as LAI, fractional cover, dry matter, and water content.  ...  Ground measurements and acquisition were supported by RSL staff, WSL (tree sampling), INRA (leaf optical measurement equipment).  ... 
doi:10.1556/comec.5.2004.1.9 fatcat:orpy6w46kng2tl4ou3h7w7yawi

Evaluation of the PROSAIL Model Capabilities for Future Hyperspectral Model Environments: A Review Study

Katja Berger, Clement Atzberger, Martin Danner, Guido D'Urso, Wolfram Mauser, Francesco Vuolo, Tobias Hank
2018 Remote Sensing  
This paper reviews the widely applied coupled PROSPECT and SAIL radiative transfer models (PROSAIL), regarding their suitability for the retrieval of biophysical and biochemical variables in the context  ...  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

Estimation of leaf and canopy water content in poplar plantations by means of hyperspectral indices and inverse modeling

2008 Remote Sensing of Environment  
compared to those obtained from inversion of leaf and 1D canopy radiative transfer models.  ...  Moreover, we inverted the PROSPECT leaf radiative transfer model to estimate leaf EWTand GWC and compared the results with those obtained by means of empirical models.  ...  Rossi (CNR-IBIMET Bologna) and M. Tosca (CNR-ISAFoM) for their technical support in reflectance measurements. We also appreciate the help provided by G. Seufert (IES-JRC Ispra), M. Migliavacca and D.  ... 
doi:10.1016/j.rse.2007.09.005 fatcat:s4fkpkusmzdefezwvn7hlyqaya

Comparative Evaluation of Inversion Approaches of the Radiative Transfer Model for Estimation of Crop Biophysical Parameters

Nilimesh Mridha, Rabi N. Sahoo, Vinay K. Sehgal, Gopal Krishna, Sourabh Pargal, Sanatan Pradhan, Vinod K. Gupta, Dasika Nagesh Kumar
2015 International Agrophysics  
This study evaluates the retrieval of soybean biophysical variables of leaf area index, leaf chlorophyll content, canopy chlorophyll content, and equivalent leaf water thickness from proximal reflectance  ...  The general order of estimation accuracy for parameters irrespective of inversion approaches was leaf area index > canopy chlorophyll content > leaf chlorophyll content > equivalent leaf water thickness  ...  The simplest method of solving of a radiative transfer model is by the use of a LUT.  ... 
doi:10.1515/intag-2015-0019 fatcat:rsswkidtbfe5zbkqoijo4qsw4u

Improved retrieval of land surface biophysical variables from time series of Sentinel-3 OLCI TOA spectral observations by considering the temporal autocorrelation of surface and atmospheric properties

Peiqi Yang, Wout Verhoef, Egor Prikaziuk, Christiaan van der Tol
2021 Remote Sensing of Environment  
A R T I C L E I N F O Keywords: Temporal autocorrelation Time series Sentinel-3 OLCI LAI Radiative transfer model SPART Model inversion A B S T R A C T Estimation of essential vegetation properties from  ...  We apply this retrieval algorithm to Sentinel-3 Ocean and Land Colour Instrument (OLCI) satellite data to derive land surface biophysical variables with a focus on leaf area index (LAI) from top-of-atmosphere  ...  Acknowledgements The first author (Peiqi Yang) was supported by the Netherlands Organization for Scientific Research, grant ALWGO.2017.018.  ... 
doi:10.1016/j.rse.2021.112328 fatcat:lbpa4fctxfgv7k6iypbzasrf2i

Retrieval of spruce leaf chlorophyll content from airborne image data using continuum removal and radiative transfer

Zbyněk Malenovský, Lucie Homolová, Raúl Zurita-Milla, Petr Lukeš, Věroslav Kaplan, Jan Hanuš, Jean-Philippe Gastellu-Etchegorry, Michael E. Schaepman
2013 Remote Sensing of Environment  
We investigate combined continuum removal and radiative transfer (RT) modeling to retrieve leaf chlorophyll a & b content (Cab) from the AISA Eagle airborne imaging spectrometer data of sub-meter (0.4  ...  Abstract 26 We investigate combined continuum removal and radiative transfer (RT) modeling to retrieve 27 leaf chlorophyll a & b content (C ab ) from the AISA Eagle airborne imaging spectrometer data 28  ...  that leaf-canopy radiative transfer modeling combined with 637 continuum removal of red and red-edge reflectance (650 -720 nm) can be successfully used 638 for the retrieval of coniferous C ab using airborne  ... 
doi:10.1016/j.rse.2012.12.015 fatcat:uny4kxdkdrcy5n7qgsvepej2g4

Do we (need to) care about canopy radiation schemes in DGVMs? Caveats and potential impacts

A. Loew, P. M. van Bodegom, J.-L. Widlowski, J. Otto, T. Quaife, B. Pinty, T. Raddatz
2014 Biogeosciences  
</strong> Dynamic global vegetation models (DGVMs) are an essential part of current state-of-the-art Earth system models.  ...  Potential radiative forcing caused by albedo deviations is estimated at −1.25 ≤ RF ≤ −0.8 (W m<sup>−2</sup>), caused by neglect of the diurnal cycle of surface albedo.  ...  Note that the leaf area index used for the canopy radiative transfer simulations is therefore larger than the original leaf area index ( eff > ).  ... 
doi:10.5194/bg-11-1873-2014 fatcat:impppmtjezgcnnelfj42icjgia


W. Liu, J. Atherton, M. Mõttus, A. MacArthur, H. Teemu, K. Maseyk, I. Robinson, E. Honkavaara, A. Porcar-Castell
2017 The International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences  
Here we present a canopy SIF upscaling method consisting of the integration of the 3-D radiative transfer model DART and a 3-D object model BLENDER.  ...  While most of the current studies on SIF radiative transfer in plant canopies are based on the assumption of a homogeneous canopy, recently codes have been developed capable of simulation of fluorescence  ...  Another model, the FluorFLIGHT 3-D radiative transfer model was also developed under this condition, which couples the 3-D raytracing forest radiative transfer model FLIGHT and leaf fluorescence model  ... 
doi:10.5194/isprs-archives-xlii-3-w3-107-2017 fatcat:shqumfihcbbnroz2u3oagykepi

Do we (need to) care about canopy radiation schemes in DGVMs? An evaluation and assessment study

A. Loew, P. M. van Bodegom, J.-L. Widlowski, J. Otto, T. Quaife, B. Pinty, T. Raddatz
2013 Biogeosciences Discussions  
The present study provides an overview about current implementations of canopy radiation schemes in a couple of state-of-the-art DGVMs and evaluates their accuracy 10 25 16552  ...  Canopy radiation models are however very important for the estimation of absorption and reflected fluxes and are essential for a proper estimation of surface carbon, energy and water fluxes.  ...  Note that the leaf area index used for the canopy radiative transfer simulations is therefore larger than the original leaf area index (Λ eff > 15 Λ).  ... 
doi:10.5194/bgd-10-16551-2013 fatcat:p2riqndysrhuxexfhlvmbevlmi
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