Filters








291 Hits in 6.4 sec

Sentinel-3 Microwave Radiometers: Instrument Description, Calibration and Geophysical Products Performances

Marie-Laure Frery, Mathilde Siméon, Christophe Goldstein, Pierre Féménias, Franck Borde, Alexandre Houpert, Ana Olea Garcia
2020 Remote Sensing  
Copernicus Sentinel-3 Surface Topography Mission embarks a two-channel microwave radiometer combined with the altimeter in order to correct the altimeter range for the excess path delay resulting from  ...  Analysis results have shown that Sentinel-3A is well calibrated, consistent with other instruments, and that Sentinel-3B is calibrated within 0.4 K with Sentinel-3A as a reference.  ...  The Copernicus Sentinel-3 Surface Topography Mission embarks a two-channel microwave radiometer.  ... 
doi:10.3390/rs12162590 fatcat:u5fq5rurojbavmpktwfgb7a5m4

Global Land Surface Temperature From the Along-Track Scanning Radiometers

D. J. Ghent, G. K. Corlett, F.-M. Göttsche, J. J. Remedios
2017 Journal of Geophysical Research - Atmospheres  
product will allow for more significant exploitation of the historical LST data record from the ATSRs and a valuable near-real-time service from the Sea and Land Surface Temperature Radiometers (SLSTRs  ...  The Leicester Along-Track Scanning Radiometer (ATSR) and Sea and Land Surface Temperature Radiometer (SLSTR) Processor for LAnd Surface Temperature (LASPLAST) provides global land surface temperature (  ...  The authors would like to thank past and present colleagues at the University of Leicester, who have helped with the generation of plots and statistics: Olof Zeller, Tim Trent, and Michael Perry.  ... 
doi:10.1002/2017jd027161 fatcat:7ylcye2i6nejrluhcp5ktdvb7m

Experimental Proof of Concept for the Hurricane Imaging Radiometer (HIRAD) Measurement of a Hurricane Ocean Surface Wind Speed Field

Jonathan Coto, W. Linwood Jones, Daniel J. Cecil, Sayak Biswas
2022 Remote Sensing  
The objective of the Hurricane Imaging Radiometer (HIRAD) is to produce wide-swath images of hurricane wind and rain fields during a single pass from a high-altitude aircraft.  ...  This instrument could be a prototype for the next generation of airborne hurricane remote sensors that operate on NOAA/USAF surveillance flights over named storms and hurricanes.  ...  Acknowledgments: We thank the NOAA Hurricane Research Division of AOML and NASA MSFC for providing data. Conflicts of Interest: The authors declare no conflict of interest.  ... 
doi:10.3390/rs14153634 fatcat:kiewwbr5obfknfvt6gjjp57fha

In-Orbit Validation of the FMPL-2 Instrument—The GNSS-R and L-Band Microwave Radiometer Payload of the FSSCat Mission

Joan Francesc Munoz-Martin, Lara Fernandez, Adrian Perez, Joan Adrià Ruiz-de-Azua, Hyuk Park, Adriano Camps, Bernardo Carnicero Domínguez, Massimiliano Pastena
2020 Remote Sensing  
The Flexible Microwave Payload-2 is the GNSS-R and L-band Microwave Radiometer Payload on board 3Cat-5/A, one of the two 6-unit CubeSats of the FSSCat mission, which were successfully launched on 3 September  ...  The spacecrafts are in a 97.5∘ inclination Sun-synchronous orbit, and both the reflectometer and the radiometer have been successfully executed and validated over both the North and the South poles.  ...  m), and thanks to the internal radiometric calibration used for the L-band radiometer, the noise power of the instrument can be calibrated.  ... 
doi:10.3390/rs13010121 fatcat:z7boo32kabgdhl5oblnp6e6m5q

High-Resolution Soil Moisture Retrieval using SMAP L-band Radiometer and RISAT-1 C-band SAR Data in the Paddy Dominated Tropical Region of India

Gurjeet Singh, Narendra Narayan Das, Rabindra Kumar Panda, Binayak Mohanty, Dara Entekhabi, Bimal Kumar Bhattacharya
2021 IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing  
The findings will further help in the implementation of a microwave active-passive algorithm to retrieve soil moisture for future satellite missions involving radiometer-SAR instruments, and challenging  ...  However, at low and moderate soil moisture states the ubRMSE is below 0.06 m 3 /m 3 .  ...  Recently, this feature of the microwave active-passive algorithm was utilized by [14] to develop SMAP-Sentinel highresolution (3 km) soil moisture products that merge the SMAP L-band radiometer observations  ... 
doi:10.1109/jstars.2021.3117273 fatcat:l46tlbxiebgqtfnoumqdvmpht4

Sea Ice and Atmospheric Parameter Retrieval From Satellite Microwave Radiometers: Synergy of AMSR2 and SMOS Compared With the CIMR Candidate Mission

Raul Cristian Scarlat, Gunnar Spreen, Georg Heygster, Marcus Huntemann, Cătălin Paţilea, Leif Toudal Pedersen, Roberto Saldo
2020 Journal of Geophysical Research - Oceans  
In combination with the 1.4 GHz channels, SIT can be added as an eighth retrieval parameter with performance on par with existing operational products.  ...  The Copernicus Imaging Microwave Radiometer (CIMR) is an European Space Agency (ESA) candidate mission which promises to offer high resolution, low uncertainty observation capabilities at the 1.4, 6.9,  ...  The aim of the Copernicus Imaging Microwave Radiometer Mission is to provide high spatial resolution microwave imaging radiometry measurements and derived products with global coverage and sub-daily revisit  ... 
doi:10.1029/2019jc015749 fatcat:2yp7acgqmbex3bkwvy54vffzka

The Copernicus Sentinel-6 mission: Enhanced continuity of satellite sea level measurements from space

Craig J. Donlon, Robert Cullen, Luisella Giulicchi, Pierrik Vuilleumier, C. Richard Francis, Meike Kuschnerus, William Simpson, Abderrazak Bouridah, Mauro Caleno, Roberta Bertoni, Jesus Rancaño, Eric Pourier (+20 others)
2021 Remote Sensing of Environment  
The satellite and payload elements are explained including required performance and their operation.  ...  A three-channel Advanced Microwave Radiometer for Climate (AMR -C) provides measurements of atmospheric water vapour to mitigate degradation of the radar altimeter measurements.  ...  Atmospheric Administration and the National Aeronautics and Space Administration, and the French government, through the Centre National d'Etudes Spatiales.  ... 
doi:10.1016/j.rse.2021.112395 fatcat:de4tps7yevf3lgmktqtmvusezu

Absolute Calibration of the European Sentinel-3A Surface Topography Mission over the Permanent Facility for Altimetry Calibration in west Crete, Greece

Stelios Mertikas, Craig Donlon, Pierre Féménias, Constantin Mavrocordatos, Demitris Galanakis, Achilles Tripolitsiotis, Xenophon Frantzis, Costas Kokolakis, Ilias Tziavos, George Vergos, Thierry Guinle
2018 Remote Sensing  
The facility has been providing calibration services for more than 15 years for all past (i.e., Envisat, Jason-1, Jason-2, SARAL/AltiKa, HY-2A) and current (i.e., Sentinel-3A, Sentinel-3B, Jason-3) satellite  ...  The other Pass No.335 of Sentinel-3A descends from southwest of Crete to south and intersects the Gavdos calibration site.  ...  Acknowledgments: This work has been primarily supported and funded by the European Union, the European Space Agency, and the Centre National d'Etudes Spatiales, France.  ... 
doi:10.3390/rs10111808 fatcat:ha723kjvrjf3tbe27fnxeot2iu

Calibrating the SAR SSH of Sentinel-3A and CryoSat-2 over the Corsica Facilities

Pascal Bonnefond, Olivier Laurain, Pierre Exertier, François Boy, Thierry Guinle, Nicolas Picot, Sylvie Labroue, Matthias Raynal, Craig Donlon, Pierre Féménias, Tommaso Parrinello, Salvatore Dinardo
2018 Remote Sensing  
Acknowledgments: This study was conducted and financed thanks to Centre National d'Etudes Spatiales (CNES), Centre National de la Recherche Scientifique (CNRS), and the French Ministry of Research.  ...  A complete description of the products used and the processing options is given in Section 0.  ...  Radiometer-GPS Radiometer-GPS The SSH calibration was performed independently at Ajaccio and Senetosa using respectively a radar tide gauge and three pressure tide gauges.  ... 
doi:10.3390/rs10010092 fatcat:7rogvvgwsfeyhamzxctnb64lrm

The ESA Permanent Facility for Altimetry Calibration: Monitoring Performance of Radar Altimeters for Sentinel-3A, Sentinel-3B and Jason-3 Using Transponder and Sea-Surface Calibrations with FRM Standards

Stelios Mertikas, Achilleas Tripolitsiotis, Craig Donlon, Constantin Mavrocordatos, Pierre Féménias, Franck Borde, Xenophon Frantzis, Costas Kokolakis, Thierry Guinle, George Vergos, Ilias N. Tziavos, Robert Cullen
2020 Remote Sensing  
This work presents the latest calibration results for the Copernicus Sentinel-3A and -3B and the Jason-3 radar altimeters as determined by the Permanent Facility for Altimetry Calibration (PFAC) in west  ...  Biases for Sentinel-3A Passes No. 14, 278 and 335, Sentinel-3B Passes No. 14, 71 and 335, as well as for Jason-3 Passes No. 18 and No. 109 are given.  ...  Antonio Martellucci of the European Space Research and Technology Center of ESA in the Netherlands for all his help and support with the ESA radiometer.  ... 
doi:10.3390/rs12162642 fatcat:sv5uytkopvfmzh6fvtonjcrgzu

Results of the Dragon 4 Project on New Ocean Remote Sensing Data for Operational Applications

Ferran Gibert, Jacqueline Boutin, Wolfgang Dierking, Alba Granados, Yan Li, Eduard Makhoul, Junmin Meng, Alexandre Supply, Ester Vendrell, Jean-Luc Vergely, Jin Wang, Jungang Yang (+3 others)
2021 Remote Sensing  
A second topic included implementation and validation of a prototype of a Fully-Focussed SAR processor adapted for Sentinel-3 and Sentinel-6 altimeters and evaluation of its performance with Sentinel-3  ...  Thirdly, the investigations on the retrieval of SSS include simulations to analyse the performances of the Chinese payload configurations of the Interferometric Microwave Radiometer and the Microwave Imager  ...  Acknowledgments: Dragon 4 No. 32292 team members thank Bernat Martínez for initiating and promoting the development of this project.  ... 
doi:10.3390/rs13142847 fatcat:jsh2gqsdkzhrhhetjpsw6f3aqi

The Roles of the S3MPC: Monitoring, Validation and Evolution of Sentinel-3 Altimetry Observations

Graham D. Quartly, Francesco Nencioli, Matthias Raynal, Pascal Bonnefond, Pablo Nilo Garcia, Albert Garcia-Mondéjar, Adrian Flores de la Cruz, Jean-Francois Cretaux, Nicolas Taburet, Marie-Laure Frery, Mathilde Cancet, Alan Muir (+13 others)
2020 Remote Sensing  
The Sentinel-3 Mission Performance Centre (S3MPC) is tasked by the European Space Agency (ESA) to monitor the health of the Copernicus Sentinel-3 satellites and ensure a high data quality to the users.  ...  There are regular routine assessments of the instruments through investigation of telemetered housekeeping data, calibrations over selected sites and comparisons of geophysical retrievals with models,  ...  Acknowledgments: We are all grateful to Sylvie Labroue and Remko Scharroo for their involvement in S3MPC over the years, and were sorry that they did not have the time to contribute to this publication  ... 
doi:10.3390/rs12111763 fatcat:gdqccsmf45c7dmpf7z5u57wzzi

BIBLOS for simulation of the Earth observation missions

Robert Kędzierawski, Wojciech Oryszczak, Karolina Szczepankiewicz, Adriano Camps, Hyuk Park, Pedro A. Barrios Garcia, Piotr Kaniewski, Jan Matuszewski
2020 Radioelectronic Systems Conference 2019  
For BIBLOS-2, the Sentinel-1 and MicroWave Imager (MWI) instruments have been selected to develop the building blocks for Active Microwaves and Passive Microwaves instruments respectively.  ...  For Active Microwave Instruments this stage of the BIBLOS activity is focused on the Geometry Module and the Performance Evaluation Module only.  ...  passive microwave instruments and, due to project rescope, with description of Performance Evaluation Module usage for evaluation of bistatic missions of active microwave instruments, for instance, Synthetic  ... 
doi:10.1117/12.2565755 fatcat:jjvfjnwxt5bwrgeurbal3uua5u

Ground, Proximal and Satellite Remote Sensing of Soil Moisture

Ebrahim Babaeian, Morteza Sadeghi, Scott B. Jones, Carsten Montzka, Harry Vereecken, Markus Tuller
2019 Reviews of Geophysics  
plant production and alleviation of famine; prevention of natural disasters such as wild fires, landslides, floods, and dust storms; or monitoring of ecosystem response to climate change.  ...  Despite the impressive progress over the last decade, there are still many opportunities and needs to, for example, improve SM retrieval from remotely sensed optical, thermal, and microwave data and opportunities  ...  Acknowledgments We acknowledge funding from the National Science Foundation (NSF) via grants 1521164 and 1521469 awarded to the University of Arizona and Utah State University.  ... 
doi:10.1029/2018rg000618 fatcat:hcfa2uqiz5ffnf7o3fijc6rnwu

Remote Sensing Systems for Ocean: A Review (Part 1: Passive Systems)

Meisam Amani, Arsalan Ghorbanian, Milad Asgarimehr, Bahareh Yekkehkhany, Armin Moghimi, Shuanggen Jin, Amin Naboureh, Farzaneh Mohseni, Sahel Mahdavi, Nasir Farsad Layegh
2021 IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing  
As such, four primary passive systems, including optical, Thermal Infrared (TIR) radiometers, microwave radiometers, and Global Navigation Satellite Systems (GNSS), are comprehensively discussed.  ...  In this regard, Remote Sensing (RS) systems offer exceptional advantages for mapping and monitoring various oceanographic parameters with acceptable temporal and spatial resolutions over the oceans and  ...  Non-polarimetric Microwave Radiometers Microwave radiometers are passive instruments and measure the electromagnetic radiation emitted from targets.  ... 
doi:10.1109/jstars.2021.3130789 fatcat:d72n7euwp5bwravcprfmhfjove
« Previous Showing results 1 — 15 out of 291 results