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A continental-scale mosaic of the Amazon basin using JERS-1 SAR

A. Freeman, B. Chapman, G. McGarragh, L. Hess, S. Shaffer, S. Hensley, P. Siqueira
2000 IEEE Transactions on Geoscience and Remote Sensing  
In this paper, a methodology, example, and accuracy assessment are given for a continental scale mosaic of the Amazon River basin at 100 m resolution using the JERS-1 satellite.  ...  This unprecedented resource of L-band SAR data collected by JERS-1 during the low-flood season of the river, amounts to a collection of 57 orbits of the satellite and a total of some 1500 l k x l k byte  ...  The technique was applied to the 1500-scene SAR data set of the Amazon region collected by JERS-1 over a 62-day period.  ... 
doi:10.1109/36.885210 fatcat:v2cc55c5hjcydl4ja2lakwqdla

The Global Rain Forest Mapping project - A review

A. Rosenqvist, M. Shimada, B. Chapman, A. Freeman, G. De Grandi, S. Saatchi, Y. Rauste
2000 International Journal of Remote Sensing  
Synthetic Aperture Radar (SAR) data sets over the tropical belt on the Earth by use of the JERS-1 L-band SAR, through the generation of semi-continental, 100 m resolution, image mosaics.  ...  In March 1999, SAR mosaics over the Amazon Basin (one out of two seasonal coverages) and equatorial Africa (both seasonal coverages) were completed; the data are available on CD-ROM and, at a coarser resolution  ...  over the Amazon basin by JERS-1.  ... 
doi:10.1080/014311600210227 fatcat:2u5bhxnitzd7vcfnnz7puommfa

Floodplain water storage in the Negro River basin estimated from microwave remote sensing of inundation area and water levels

Frédéric Frappart, Frédérique Seyler, Jean-Michel Martinez, Juan G. León, Anny Cazenave
2005 Remote Sensing of Environment  
The basin of the Negro river, the tributary which carries the largest discharge to the Amazon river, was selected as a test site.  ...  basins using combined observations from the Synthetic Aperture Radar (SAR) onboard the Japanese Earth Resources Satellite (JERS-1), the Topex/Poseidon (T/P) altimetry satellite, and in-situ hydrographic  ...  One of the authors, F.F. was supported by a grant from CNES (Centre National d'Etudes Spatiales, France) and Alcatel Space.  ... 
doi:10.1016/j.rse.2005.08.016 fatcat:rg77our6i5dingpbcqchtryerm

Dual-season mapping of wetland inundation and vegetation for the central Amazon basin

L Hess
2003 Remote Sensing of Environment  
The SAR-based mapping provides a basis for improved estimates of the contribution of wetlands to biogeochemical and hydrological processes in the Amazon basin, a key question in the Large-Scale Biosphere  ...  Wetland extent was mapped for the central Amazon region, using mosaicked L-band synthetic aperture radar (SAR) imagery acquired by the Japanese Earth Resources Satellite-1.  ...  Acquisition of the JERS-1 imagery was made possible by NASDA's Global Rain Forest Mapping Project.  ... 
doi:10.1016/j.rse.2003.04.001 fatcat:cxswgduudzfl3jzfi3mnw62ose

Mapping Regional Inundation with Spaceborne L-Band SAR

Bruce Chapman, Kyle McDonald, Masanobu Shimada, Ake Rosenqvist, Ronny Schroeder, Laura Hess
2015 Remote Sensing  
of a continental-scale inundatable mask.  ...  We describe these methodologies and the final classification of the inundation state, then compared this with results derived from dual-season data acquired by the JERS-1 L-band SAR mission in 1995 and  ...  Acknowledgments We thank the NASA MEaSUREs program and Martha Maiden for funding this work, the NASDA/JAXA GRFM project for the JERS-1 imagery, the Alaska Satellite Facility ALOS Data node for ancillary  ... 
doi:10.3390/rs70505440 fatcat:lq2f6nmkwbbirjibjnsnhaic3e

The use of spaceborne radar data to model inundation patterns and trace gas emissions in the central Amazon floodplain

Å. Rosenqvist, B. R. Forsberg, T. Pimentel, Y. A. Rauste, J. E. Richey
2002 International Journal of Remote Sensing  
This paper describes how multitemporal time series of spaceborne L-band Synthetic Aperture Radar (SAR) data from the Japanese Earth Resource Satellite 1 (JERS-1) were used to generate a model of the spatial  ...  We also demonstrate how a JERS-1 SAR time series can be used to map the spatial variation of ood duration on the oodplain, a key factor controlling local variations in plant biodiversity.  ...  The JERS-1 SAR data were provided free of charge by NASDA.  ... 
doi:10.1080/01431160110092911 fatcat:rawfrpnlubcz7dtrnpol6cpgki

Characterization of complex fluvial systems using remote sensing of spatial and temporal water level variations in the Amazon, Congo, and Brahmaputra Rivers

Hahn Chul Jung, James Hamski, Michael Durand, Doug Alsdorf, Faisal Hossain, Hyongki Lee, A. K. M. Azad Hossain, Khaled Hasan, Abu Saleh Khan, A.K.M. Zeaul Hoque
2010 Earth Surface Processes and Landforms  
First, repeat-pass interferometric SAR measurements from the Japanese Earth Resources Satellite are used to compare and contrast fl oodplain processes in the Amazon and Congo River basins.  ...  Second, Shuttle Radar Topography Mission measurements of water elevation are used to derive water slope over the braided Brahmaputra river system.  ...  We thank Nadine Laporte for sharing her knowledge of Congo vegetation. JAXA supplied the JERS-1 data. Landsat data is from the Global Land Cover Facility.  ... 
doi:10.1002/esp.1914 fatcat:4kfqtuyl7rcoxcnsr5at3ho2ae

A novel approach to the classification of regional-scale Radar mosaics for tropical vegetation mapping

M. Sgrenzaroli, A. Baraldi, G.D. De Grandi, H. Eva, F. Achard
2004 IEEE Transactions on Geoscience and Remote Sensing  
Starting from these results, ENMP is employed to generate a swamp forest map of the whole Amazon Basin from the two-season GRFM radar mosaic of South America, in the context of the Global Land Cover project  ...  This paper presents a novel classification approach suitable for regional-scale vegetation mapping using the GRFM datasets.  ...  ACKNOWLEDGMENT The authors wish to thank NASDA/EORC, NASA/JPL, and ASF for access to the JERS-1 SAR mosaics. B. Chapman and P. Siqueira (JPL) are warmly thanked for their collaboration and help.  ... 
doi:10.1109/tgrs.2004.836816 fatcat:rym4n7nxtfcl7hryva2rbetp3a

The potential of long-wavelength satellite-borne radar to support implementation of the Ramsar Wetlands Convention

Ake Rosenqvist, C. Max Finlayson, John Lowry, Douglas Taylor
2007 Aquatic conservation  
The Convention has long been a supporter of effective wetland inventory being used to support management initiatives and the wise use of all wetlands. 3.  ...  The potential to make further use of remote sensing is increased through wider use of the special features of SAR in situations where other data are less suitable. 5.  ...  ACKNOWLEDGEMENTS The JERS-1 images used in this paper were provided by JAXA within the framework of the JERS-1 SAR Global Forest Mapping project.  ... 
doi:10.1002/aqc.835 fatcat:tm6pzw7gkvhondspkojp7kb7vq

Repeat-pass multi-temporal interferometric SAR coherence variations with Amazon floodplain and lake habitats

Hahn Chul Jung, Doug Alsdorf
2010 International Journal of Remote Sensing  
We have analysed interferometric coherence variations in Japanese Earth Resources Satellite (JERS-1) L-band synthetic aperture radar (SAR) data at three central Amazon sites: Lake Balbina, Cabaliana and  ...  Our findings suggest that, despite overall low coherence values, repeat-pass interferometric coherence of flooded habitats is capable of showing the annual periodicity of the Amazon flood wave.  ...  JERS-1 SAR data were provided by the National Space Development Agency of Japan (NASDA). This work was also supported by a Korean Science and Engineering Foundation Grant (No. C00131).  ... 
doi:10.1080/01431160902902609 fatcat:5jrwpvrakfc3xaui2lljrrtf7y

Seasonal fluctuations in the mass of the Amazon River system and Earth's elastic response

Michael Bevis
2005 Geophysical Research Letters  
1] A GPS station in Manaus, near the center of the Amazon basin, manifests an annual cycle of vertical displacement with a peak-to-peak amplitude of 50-75 mm.  ...  We use a simple hydrological model to relate stage height to the regional pattern of flooding, and argue that the elastic oscillations observed in Manaus are dominated by changes in water loading developed  ...  We thank A. Dziewonski for advising us on the uncertainties associated with PREM, and R. O'Connell, B.L. Isacks and G. Laske for discussions on crustal structure and stiffness.  ... 
doi:10.1029/2005gl023491 fatcat:ggnpydjp2veu3ayu4jcv2qowt4

Surface Water Storage in Rivers and Wetlands Derived from Satellite Observations: A Review of Current Advances and Future Opportunities for Hydrological Sciences

Fabrice Papa, Frédéric Frappart
2021 Remote Sensing  
resolution (~100 m), it is timely to summarize the recent advances in the estimates of SWS from satellite observations and how they contribute to a better understanding of large-scale hydrological processes  ...  continental water cycle.  ...  The funders had no role in the design of the study; in the collection, analyses, or interpretation of data; in the writing of the manuscript, or in the decision to publish the results.  ... 
doi:10.3390/rs13204162 doaj:037f5355056d48c5a63b985fabd4acf6 fatcat:xjpmixicubfjxg7mujlevhmriu

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

Marco Ottinger, Claudia Kuenzer
2020 Remote Sensing  
This review presents a comprehensive overview of existing research articles that apply spaceborne L-band SAR data for geoscientific analyses that are relevant for coastal land applications.  ...  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  ...  Acknowledgments: The authors acknowledge the use of ALOS-2/PALSAR-2 data (©JAXA 2017) and Sentinel-2 data (©ESA 2017).  ... 
doi:10.3390/rs12142228 fatcat:4bplx7hxgbbyfdxddqau4kn4uq

Wetlands and Malaria in the Amazon: Guidelines for the Use of Synthetic Aperture Radar Remote-Sensing

Thibault Catry, Zhichao Li, Emmanuel Roux, Vincent Herbreteau, Helen Gurgel, Morgan Mangeas, Frédérique Seyler, Nadine Dessay
2018 International Journal of Environmental Research and Public Health  
Malaria transmission is a multi-scale process strongly controlled by environmental factors, and the use of remote-sensing data is suitable for the characterization of its spatial and temporal dynamics.  ...  In this study, we highlight the contribution of SAR sensors in the assessment of the relationship between vectors, malaria and the environment in the Amazon region.  ...  Results were produced with the support of Young Team associated to IRD GITES (JEAI GITES) and International Mixed Laboratory Sentinela (LMI Sentinela) funded by the IRD.  ... 
doi:10.3390/ijerph15030468 pmid:29518988 pmcid:PMC5877013 fatcat:4q7vj5bg6nf47gndt65kopy4bu

Interannual variations of river water storage from a multiple satellite approach: A case study for the Rio Negro River basin

Frédéric Frappart, Fabrice Papa, James S. Famiglietti, Catherine Prigent, William B. Rossow, Frédérique Seyler
2008 Journal of Geophysical Research  
Acknowledgments The authors would like to acknowledge the CTOH (Centre de Topographie des Océans et de l'Hydrosphère) at LEGOS for the provision of the Topex/Poseidon GDR dataset and the HYBAM project  ...  for the in-situ gauge measurements.  ...  The classification results used here for delineating the floodplains in the Negro 2 River basin were obtained with only two acquisitions of SAR images (JERS-1 double 3 mosaic), i.e., the worst configuration  ... 
doi:10.1029/2007jd009438 fatcat:64kz5fjzvnbddc653zsviel2du
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