research overview
- Dr. Kopp's research is focused on improving solar climate data records.
- Contact Info
Kopp, Gregory A Sr Research Associate
Positions
- Sr Research Associate, Laboratory for Atmospheric and Space Physics (LASP)
Research Areas
Research
keywords
- solar irradiance
Publications
selected publications
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conference proceeding
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Compact total irradiance monitor flight demonstration.
Proceedings of SPIE.
2019
-
First results from the Hyper Spectral Imager for Climate Science (HySICS).
Proceedings of SPIE.
2014
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RADIOMETRIC ABSOLUTE ACCURACY IMPROVEMENTS FOR IMAGING SPECTROMETRY WITH HYSICS.
3518-3521.
2013
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Improvements to the Solar Forcing Data Record.
AIP Conference Proceedings.
620-623.
2012
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Total Solar Irradiance Measurements with PREMOS/PICARD.
AIP Conference Proceedings.
624-627.
2012
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Fourth World Radiometric Reference to SI radiometric scale comparison and implications for on-orbit measurements of the total solar irradiance.
Metrologia: international journal of pure and applied metrology.
S34-S38.
2011
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Total solar irradiance data record accuracy and consistency improvements.
Metrologia: international journal of pure and applied metrology.
S29-S33.
2011
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A hyperspectral imager for high radiometric accuracy Earth climate studies.
Proceedings of SPIE.
2011
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ACCURATE MONITORING OF TERRESTRIAL AEROSOLS AND TOTAL SOLAR IRRADIANCE: THE NASA GLORY MISSION.
758-760.
2010
- Key Parameters for the Inconsistencies of the Incoming Solar Radiation Boundary Condition in Global Modeling. AIP Conference Proceedings. 585-+. 2008
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The TSI Radiometer Facility - absolute calibrations for total solar irradiance instruments - art. no. 667709.
Proceedings of SPIE.
67709-67709.
2007
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Aperture edge scatter calibration of the cavity radiometers for the spaceflight Total Irradiance Monitor.
Proceedings of SPIE.
2006
-
Calibration of the absorptance cavities for the spaceflight solar radiometer TIM.
Proceedings of SPIE.
2006
-
The total irradiance monitor design and on-orbit functionality.
Proceedings of SPIE.
14-25.
2003
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A liquid crystal intensity modulator for simulating planetary transits.
Proceedings of SPIE.
229-240.
2003
-
Calibration of the total irradiance monitor.
Metrologia: international journal of pure and applied metrology.
S78-S80.
2002
-
Overview of the EOS SORCE mission.
Proceedings of SPIE.
192-203.
2000
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The Total Irradiance Monitor (TIP) for the EOS SORCE mission.
Proceedings of SPIE.
215-224.
2000
- Optical design for Terrestrial Planet Finder. Proceedings of SPIE. 40-46. 1999
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Sub-nanometer laser metrology for spacecraft interferometry.
Proceedings of SPIE.
62-69.
1998
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Outline of an optical design for Terrestrial Planet Finder.
Proceedings of SPIE.
641-652.
1998
-
Laser metrology for space interferometry.
Proceedings of SPIE.
526-533.
1998
-
Compact total irradiance monitor flight demonstration.
Proceedings of SPIE.
2019
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journal article
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Solar Irradiance Variability: Modeling the Measurements.
Earth and Space Science.
2020
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Overview of microfabricated bolometers with vertically aligned carbon nanotube absorbers.
AIP Advances.
2020
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Inflection point in the power spectrum of stellar brightness variations I. The model.
Astronomy and Astrophysics: a European journal.
2020
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Solar Irradiance Variability: Comparisons of Models and Measurements.
Earth and Space Science.
2525-2555.
2019
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Overview of the NASA Solar Irradiance Science Team (SIST) Program Special Section.
Earth and Space Science.
2229-2231.
2019
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On the Lessons Learned From the Operations of the ERBE Nonscanner Instrument in Space and the Production of the Nonscanner TOA Radiation Budget Data Set.
IEEE Transactions on Geoscience and Remote Sensing.
5936-5947.
2018
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Response of Solar Irradiance to Sunspot-area Variations.
The Astrophysical Journal: an international review of astronomy and astronomical physics.
2018
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The CLARA/NORSAT-1 solar absolute radiometer: instrument design, characterization and calibration.
Metrologia: international journal of pure and applied metrology.
674-682.
2017
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Radiometric flight results from the HyperSpectral Imager for Climate Science (HySICS).
Geoscientific Instrumentation, Methods and Data Systems.
169-191.
2017
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Methodology to create a new total solar irradiance record: Making a composite out of multiple data records.
Geophysical Research Letters.
1196-1203.
2017
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The Impact of the Revised Sunspot Record on Solar Irradiance Reconstructions.
Solar Physics: a journal for solar and solar-stellar research and the study of solar terrestrial physics.
2951-2965.
2016
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NOMINAL VALUES FOR SELECTED SOLAR AND PLANETARY QUANTITIES: IAU 2015 RESOLUTION B3.
The Astronomical Journal.
2016
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Magnitudes and timescales of total solar irradiance variability.
Journal of Space Weather and Space Climate.
2016
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CLARREO Reflected Solar Spectrometer: Restrictions for Instrument Sensitivity to Polarization.
IEEE Transactions on Geoscience and Remote Sensing.
6703-6709.
2015
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Space Weather Anniversary Gala Planned for Boulder, Colorado, USAL.
Space Weather.
398-398.
2015
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The solar magnetic activity band interaction and instabilities that shape quasi-periodic variability.
Nature Communications.
2015
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CLARREO Approach for Reference Intercalibration of Reflected Solar Sensors: On-Orbit Data Matching and Sampling.
IEEE Transactions on Geoscience and Remote Sensing.
6762-6774.
2014
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An assessment of the solar irradiance record for climate studies.
Journal of Space Weather and Space Climate.
2014
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Opportunities to Intercalibrate Radiometric Sensors from International Space Station.
Journal of Atmospheric and Oceanic Technology.
890-902.
2014
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Achieving Climate Change Absolute Accuracy in Orbit.
Bulletin of the American Meteorological Society.
1519-1539.
2013
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The Solar Cycle 23-24 Minimum. A Benchmark in Solar Variability and Effects in the Heliosphere.
Solar Physics: a journal for solar and solar-stellar research and the study of solar terrestrial physics.
159-162.
2011
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A new, lower value of total solar irradiance: Evidence and climate significance.
Geophysical Research Letters.
2011
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Solar Surface Magnetism and Irradiance on Time Scales from Days to the 11-Year Cycle.
Space Science Reviews.
337-380.
2009
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Spectral irradiance variations: comparison between observations and the SATIRE model on solar rotation time scales.
Astronomy and Astrophysics: a European journal.
311-323.
2008
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Accurate monitoring of terrestrial aerosols and total solar irradiance - Introducing the glory mission.
Bulletin of the American Meteorological Society.
677-+.
2007
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Contributions of the solar ultraviolet irradiance to the total solar irradiance during large flares.
Journal of Geophysical Research: Space Physics.
2006
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SORCE contributions to new understanding of global change and solar variability.
Solar Physics: a journal for solar and solar-stellar research and the study of solar terrestrial physics.
27-53.
2005
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The Total Irradiance Monitor (TIM): Instrument calibration.
Solar Physics: a journal for solar and solar-stellar research and the study of solar terrestrial physics.
111-127.
2005
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The Total Irradiance Monitor (TIM): Instrument design.
Solar Physics: a journal for solar and solar-stellar research and the study of solar terrestrial physics.
91-109.
2005
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The Total Irradiance Monitor (TIM): Science results.
Solar Physics: a journal for solar and solar-stellar research and the study of solar terrestrial physics.
129-139.
2005
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Solar irradiance variability during the October 2003 solar storm period.
Geophysical Research Letters.
2004
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Tunable liquid-crystal filter for solar imaging at the He I 1083-nm line.
Applied Optics.
291-296.
1997
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Solar Irradiance Variability: Modeling the Measurements.
Earth and Space Science.
2020