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APPLICATIONS OF SAR DATA TO ESTIMATE FOREST BIOPHYSICAL VARIABLES IN BRAZIL

Janisson Batista de Jesus, Tatiana Mora Kuplich
2020 Cerne  
Polarimetric and interferometric studies are becoming a reality with adequate free SAR data and processing systems available.  ...  Applications of sar data to estimate forest biophysical variables in Brazil. CERNE, v. 26, n. 1, p.88-97, 2020.  ...  high potential of SAR interferometry to be used as support in inventories of large areas.  ... 
doi:10.1590/01047760202026012656 fatcat:bmr5a3p4uncltfysabch4qague

Remote Sensing Approaches for Monitoring Mangrove Species, Structure, and Biomass: Opportunities and Challenges

Tien Pham, Naoto Yokoya, Dieu Bui, Kunihiko Yoshino, Daniel Friess
2019 Remote Sensing  
We see several key future directions for the potential use of remote sensing techniques combined with machine learning techniques for mapping mangrove areas and species, and evaluating their biomass and  ...  Without a quantitative method for effectively monitoring biophysical parameters and carbon stocks in mangroves, robust policies and actions for sustainably conserving mangroves in the context of climate  ...  InSAR: interferometric synthetic aperture radar, Pol-InSAR: polarimetric SAR interferometry.  ... 
doi:10.3390/rs11030230 fatcat:xgxftojh5vdfhgkpqcwehgbkwa

Double-Bounce Component in Cross-Polarimetric SAR From a New Scattering Target Decomposition

Sang-Hoon Hong, Shimon Wdowinski
2014 IEEE Transactions on Geoscience and Remote Sensing  
SAR (InSAR).  ...  Index Terms-Cross-polarization (cross-pol), Everglades, polarimetric decomposition, polarimetric synthetic aperture radar (PolSAR), rotated dihedral mechanism, volume scattering, wetland interferometric  ...  We attribute the higher coherence in the saltwater wetland to thicker woody mangrove vegetation in the mangrove forest environment.  ... 
doi:10.1109/tgrs.2013.2268853 fatcat:syri6p7babdjvaktqnthgrowti

L-Band Polarimetric Target Decomposition of Mangroves of the Rufiji Delta, Tanzania

Ian Brown, Simon Mwansasu, Lars-Ove Westerberg
2016 Remote Sensing  
This is the first time mangrove species have been identified by their scattering behavior in L-band polarimetric data.  ...  Here, we investigate the potential of polarimetric target decomposition for mangrove forest monitoring and analysis.  ...  The authors would also like to acknowledge ESA and the PolSARPro development team, as well as the Radar Tools (RAT) developers, in particular Andreas Reigber.  ... 
doi:10.3390/rs8020140 fatcat:nhi4pwn3z5abbchzf7nwpvjtja

Spaceborne L-Band Synthetic Aperture Radar Data for Geoscientific Analyses in Coastal Land Applications: A Review

Marco Ottinger, Claudia Kuenzer
2020 Remote Sensing  
Hence, active radar systems demonstrate great potential for continuous mapping and monitoring of coastal regions, particularly in cloud-prone tropical and sub-tropical climates.  ...  Earth observation has great capability to deliver valuable data at the local, regional and global scales and can support the assessment and monitoring of land- and water-related applications in coastal  ...  In Europe, Koch et al. [139] evaluated the contributions of C-band RADARSAT-2 and L-band ALOS/PALSAR full polarimetric SAR data.  ... 
doi:10.3390/rs12142228 fatcat:4bplx7hxgbbyfdxddqau4kn4uq

Spaceborne Multifrequency PolInSAR-Based Inversion Modelling for Forest Height Retrieval

Shashi Kumar, Himanshu Govil, Prashant K. Srivastava, Praveen K. Thakur, Satya P. S. Kushwaha
2020 Remote Sensing  
Spaceborne and airborne polarimetric synthetic-aperture radar interferometry (PolInSAR) data have been extensively used for forest parameter retrieval.  ...  An analysis of the spaceborne-mission-based forest height values suggested that the L-band SAR has great potential in forest height retrieval.  ...  Acknowledgments: The authors would like to express their sincere gratitude to the whole research team of ESA for providing SNAP 6.0 and PolSARPro 4.2 tools for polarimetric processing of the SAR data.  ... 
doi:10.3390/rs12244042 fatcat:vwvaajkq4fhebntcvb5qbbf7f4

Multibaseline TanDEM-X Mangrove Height Estimation: The Selection of the Vertical Wavenumber

Seung-Kuk Lee, Temilola E. Fatoyinbo, David Lagomasino, Emanuelle Feliciano, Carl Trettin
2018 IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing  
The forest height inversion using In-SAR data is strongly dependent upon the vertical wavenumber (i.e., perpendicular baseline).  ...  We generated a large-scale mangrove forest height map using multiple TanDEM-X (TDX) interferometric synthetic aperture radar (InSAR) acquisitions with various spatial baselines in order to improve the  ...  Polarimetric SAR Interferometry (Pol-InSAR) is a powerful technique for the retrieval of 3-D forest structure parameters (e.g., top canopy height [4] - [6] , biomass [3] , [7] , and forest tomography  ... 
doi:10.1109/jstars.2018.2835647 fatcat:edavf74qfze4ponggnpkain3ay

TerraSAR-X and Wetlands: A Review

Christian Wohlfart, Karina Winkler, Anna Wendleder, Achim Roth
2018 Remote Sensing  
Particularly in wetland research, TerraSAR-X's shortwave X-band synthetic aperture radar (SAR) possesses unique capabilities, such as high spatial and temporal resolution, for delineating and characterizing  ...  What is evident throughout this literature review is the synergistic fusion of multi-frequency and multi-polarization SAR sensors, sometimes optical sensors, in almost all investigated studies to attain  ...  radar interferometry.  ... 
doi:10.3390/rs10060916 fatcat:octiijdeyfentpnb5dcx3qjeom

Effect of the Double-Bounce Contribution in Polinsar-Based Height Estimates of Rice Crops Using Tandem-X Bistatic Data

Noelia Romero-Puig, Juan M. Lopez-Sanchez, J. David Ballester-Berman
2018 IGARSS 2018 - 2018 IEEE International Geoscience and Remote Sensing Symposium  
SAR interferometry.  ...  In bistatic acquisitions the presence of a double-bounce contribution at the ground affects the interferometric coherence with a decorrelation factor which is usually overlooked in studies employing polarimetric  ...  INTRODUCTION The estimation of biophysical variables of scenes with vegetation (forest and agriculture) by means of polarimetric SAR interferometry (PolInSAR) [1] is based on the inversion of a physical  ... 
doi:10.1109/igarss.2018.8518542 dblp:conf/igarss/Romero-PuigLB18 fatcat:caimodxe55apnidvouimm4x3eq

Wetland Monitoring Using SAR Data: A Meta-Analysis and Comprehensive Review

Sarina Adeli, Bahram Salehi, Masoud Mahdianpari, Lindi J. Quackenbush, Brian Brisco, Haifa Tamiminia, Stephen Shaw
2020 Remote Sensing  
The geometric distortion of SAR imagery and loss of coherency are other remaining challenges in applying SAR and its processing techniques for wetland studies.  ...  However, there are still challenges in applying SAR for mapping complex wetland environments. The backscattering similarity of different wetland classes is one of the challenges.  ...  Summary of SAR information used by each study in the meta-analysis into three groups: backscattering intensity, polarimetry and interferometry.  ... 
doi:10.3390/rs12142190 fatcat:dcpjgpapbverljsxx6psqbeyxa

A review of radar remote sensing for biomass estimation

S. Sinha, C. Jeganathan, L. K. Sharma, M. S. Nathawat
2015 International Journal of Environmental Science and Technology  
Interferometric (InSAR) and polarimetric (PolSAR) SAR or a combination of the both (Pol-InSAR) serves as effective alternatives.  ...  However, optical sensors face serious limitations, specifically in tropical regions, like the cloud cover that SAR can overcome along with targeting saturation and penetration aspects.  ...  Texture analysis along with backscatter, interferometry and polarimetric analysis of SAR improves the estimation of biomass.  ... 
doi:10.1007/s13762-015-0750-0 fatcat:wokozm3mezg23deabimwgcbm4a

Research progress of "penetration mapping" of earth surface by PolInSAR

ZHU Jianjun, FU Haiqiang, WANG Changcheng
2022 Acta Geodaetica et Cartographica Sinica  
PolInSAR (polarimetric SAR interferometry) characterized by the ability to penetrate the surface cover can record internal structures and physical properties, bringing opportunities to solve the above  ...  Quantification of temporal decorrelation effects at L-band for polarimetric SAR interferometry applications[J].  ...  Land cover type and biomass classification using AirSAR data for evaluation of monitoring scenarios in the Colombian Amazon[J].  ... 
doi:10.11947/j.agcs.2022.20220154 doaj:ab2e8a297128485e9dcba606a085dd35 fatcat:43ooncvejjc5lklm7rhgseoflq

Dynamics of Methane in Mangrove Forest: Will It Worsen with Decreasing Mangrove Forests?

Hironori Arai, Kazuyuki Inubushi, Chih-Yu Chiu
2021 Forests  
, and how to evaluate emission status geospatially.  ...  as well as to anthropogenic impacts and climate change in mangrove forests.  ...  Most major studies targeting mangrove forests aim to quantify biomass or canopy height based on synthetic aperture RADAR (SAR) observation (e.g., polarimetric interferometry [111] and SAR-tomography  ... 
doi:10.3390/f12091204 fatcat:txw2ydg2lnctveazm4ac2lxt3m

Tropical-Forest-Parameter Estimation by Means of Pol-InSAR: The INDREX-II Campaign

Irena Hajnsek, Florian Kugler, Seung-Kuk Lee, Konstantinos Panagiotis Papathanassiou
2009 IEEE Transactions on Geoscience and Remote Sensing  
This paper addresses the potential and limitations of polarimetric synthetic aperture radar (SAR) interferometry (Pol-InSAR) inversion techniques for quantitative forest-parameter estimation in tropical  ...  Index Terms-Forest height, polarimetric SAR interferometry (Pol-InSAR), synthetic aperture radar (SAR), temporal decorrelation, tropical forest.  ...  Davidson from ESA for their essential support in the realization and execution of the campaign, DLR's E-SAR operation and SAR processing team for its priceless motivation and effort during the whole campaign  ... 
doi:10.1109/tgrs.2008.2009437 fatcat:b2si27wkufcojhr3xt6eiy4zwa

The TropiSAR Airborne Campaign in French Guiana: Objectives, Description, and Observed Temporal Behavior of the Backscatter Signal

Pascale C. Dubois-Fernandez, Thuy Le Toan, Sandrine Daniel, Hélène Oriot, Jerôme Chave, Lilian Blanc, Ludovic Villard, Malcolm W. J. Davidson, Michel Petit
2012 IEEE Transactions on Geoscience and Remote Sensing  
The high temporal coherence observed after a 22-day period is a prerequisite for SAR Polarimetric Interferometry and Tomographic applications in a single satellite configuration.  ...  More specifically, a tropical forest data set was required in order to provide test data for the evaluation of the foreseen inversion algorithms and data products.  ...  The authors also express deep gratitude to the numerous people who helped during the airborne campaign, in particular Philippe Gaucher, Jean-Francois Faure, Papa Sonko, Bernard Chemoul, Christophe Couturier  ... 
doi:10.1109/tgrs.2011.2180728 fatcat:44lsdrdq6jhxneohdp6catuy7e
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