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EO-1 Hyperion Reflectance Time Series at Calibration and Validation Sites: Stability and Sensitivity to Seasonal Dynamics

Petya K. Entcheva Campbell, Elizabeth M. Middleton, Kurt J. Thome, Raymond F. Kokaly, Karl Fred Huemmrich, David Lagomasino, Kimberly A. Novick, Nathaniel A. Brunsell
2013 IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing  
This study evaluated Earth Observing 1 (EO-1) Hyperion reflectance time series at established calibration sites to assess the instrument stability and suitability for monitoring vegetation functional parameters  ...  Since these indices cannot be calculated from broadband multispectral instrument data, the opportunity to exploit these spectrometer-based VIs in the future will depend on the launch of satellites such  ...  The Hyperion 1 spectrometer carried on the Earth Observing One (EO-1) satellite has provided a rich high resolution data record over more than a decade (2001) (2002) (2003) (2004) (2005) (2006) (2007)  ... 
doi:10.1109/jstars.2013.2246139 fatcat:5deemcu2fvaxtl6hj2si6w4fsa

Radiometric inter-sensor cross-calibration uncertainty using a traceable high accuracy reference hyperspectral imager

Javier Gorroño, Andrew C. Banks, Nigel P. Fox, Craig Underwood
2017 ISPRS journal of photogrammetry and remote sensing (Print)  
This study considers the criticality of the instrumental and observational characteristics on pixel level reflectance factors, within a defined spatial region of interest (ROI) within the target site.  ...  the international system of units (SI) in-orbit and then through the extension of this SItraceability to other sensors through in-flight cross-calibration using a selection of Committee on Earth Observation  ...  Marc Bouvet for the access to the surface reflectance model of Libya-4, and Tracy Scanlon and Teresa Goodman for their helpful comments on this paper.  ... 
doi:10.1016/j.isprsjprs.2017.07.002 fatcat:fdmcxxrxhjbfnlvskzj6b6lsam

Achieving Satellite Instrument Calibration for Climate Change

George Ohring, Joe Tansock, William Emery, James Butler, Lawrence Flynn, Fuzhong Weng, Karen St. Germain, Bruce Wielicki, Changyong Cao, Mitchell Goldberg, Jack Xiong, Gerald Fraser (+12 others)
2007 EOS  
The manuscript contents are solely the opinions of the authors and do not constitute a statement of policy, decision, or position on behalf of NOAA or the U. S. Government.  ...  Jerry Sullivan for his careful and detailed review of the manuscript. His comments were always on the mark. Marc Pulliam did an excellent job of graphics design and layout of the report.  ...  By using the spectrally resolved data to simulate the brightness temperatures that each channel would report for the same scene (Wang, Ciren and Cao, 2005) , the impact of differences in the SRFs on deduced  ... 
doi:10.1029/2007eo110015 fatcat:n2nhhks3fbbklbxwrvso3eeqaq

Traceable Radiometry Underpinning Terrestrial- and Helio-Studies (TRUTHS): An Element of a Space-Based Climate and Calibration Observatory

Nigel Fox, Paul Green
2020 Remote Sensing  
Detection of subtle indicators from a background of natural variability requires measurements over a time-base of decades.  ...  This places severe demands on the instrumentation used, requiring measurements of sufficient accuracy and sensitivity that can allow reliable judgements to be made decades apart.  ...  Parameter Value Comment Spectral bands 320 nm-400 nm(break) 400 nm-2450 nm Assumes use of a wide spectral band HgCdTe detector and a separate Si detector through a common telescope with a prism based spectrometer  ... 
doi:10.3390/rs12152400 fatcat:batc43tlanh2rdtatqzcth3jbq

Sen2Like: Paving the Way towards Harmonization and Fusion of Optical Data

Sébastien Saunier, Bringfried Pflug, Italo Moletto Lobos, Belen Franch, Jérôme Louis, Raquel De Los Reyes, Vincent Debaecker, Enrico G. Cadau, Valentina Boccia, Ferran Gascon, Sultan Kocaman
2022 Remote Sensing  
For this purpose, we have re-used and developed a broad spectrum of data processing and analysis methodologies, including geometric and spectral co-registration, atmospheric and Bi-Directional Reflectance  ...  Satellite Earth Observation (EO) sensors are becoming a vital source of information for land surface monitoring.  ...  Acknowledgments: The authors are grateful to the European Space Agency (EOEP5 Block 4) for funding the first stage of this development.  ... 
doi:10.3390/rs14163855 fatcat:sejb5i4vbjhtzeozibnkyelzy4

Knowledge Extracted from Copernicus Satellite Data

Dumitru Octavian, Schwarz Gottfried, Eltoft Torbjørn, Kræmer Thomas, Wagner Penelope, Hughes Nick, Arthus David, Fleming Andrew, Koubarakis Manolis, Datcu Mihai
2019 Zenodo  
By applying an already established active learning approach based on a Support Vector Machine with relevance feedback [2], we can limit ourselves to a limited number of typical satellite images to extract  ...  During the development of deep learning algorithms, a key activity is to establish a large amount of referenced Earth Observation data.  ...  The use of multi-or hyperspectral remote sensing data into soil monitoring and digital mapping can provide a large-scale survey, comprehensive and effective sites' monitoring and assess topsoil variables  ... 
doi:10.5281/zenodo.3941573 fatcat:zzifwgljifck5bpjnboetsftfu

Towards An Improved Long-term Data Record From The Advanced Very-high Resolution Radiometer: Evaluation, Atmospheric Correction, And Intercalibration [article]

Andres Eduardo Santamaria Artigas
2021
In this dissertation, I identified three areas for the improvement of the LTDR: (1) The comprehensive evaluation of the LTDR performance and characterization if its uncertainties. (2) The retrieval of  ...  The first study consisted on a global long-term evaluation of the LTDR with matched observations from the Landat-5 Thematic Mapper instrument.  ...  adjustment factors derived from EO-1/Hyperion hy- perspectral data.  ... 
doi:10.13016/x5x2-fdf9 fatcat:6jlhzpgh7bbc7lxntoaorih4jy

GSICS quarterly. Volume 10, number 3 (2016)

Global Space-Based Inter-Calibration System Coordination Center., Manik Bali
Acknowledgements This work was supported by the Aerial Photogrammetric Service (SAF) and the Space Operations Group (GOE) of the Chilean Air Force (FACH). RapidEye data were provided by Blackbridge.  ...  Cross-calibration of the data from the BS sensor and from other concurrent satellite sensors such as Landsat 8, EO-1 (ALI & Hyperion) and AVIRIS (airborne) was performed [1].  ...  of the band, B(λ) is the spectral radiance on the top of atmosphere (TOA), and λ 1 and λ 2 are the boundary wavelengths for a certain spectral band.  ... 
doi:10.7289/v5pc30dm fatcat:tvd6naozingenezwzrbagr6gfu

Comparison of AVHRR, MODIS and VEGETATION for land cover mapping and drought monitoring at 1 km spatial resolution Comparison of AVHRR, MODIS and VEGETATION for land cover mapping and drought monitoring at 1 km spatial resolution Dedicated to my parents, Pagratis and Olga Toukiloglou

Pericles Toukiloglou, C Sannier
2007 unpublished
Greece, for which maps were produced using data collected by each sensor over the same dates and sites, and accuracy estimated using reference data.  ...  These extended datasets were used to assess drought conditions over Ethiopia with the aim of using the Vegetation Productivity Indicator (VPI) methodology.  ...  horn of Africa ( Data Test sites and rainfall data The selection of sites over Ethiopia for the purpose of this part of the study was based on two criteria: 1.  ... 
fatcat:ntvgwx2o55hktouknbx62feyr4