Autonomous shipboard infrared radiometer system for in situ validation of satellite SST

Andrew T. Jessup, Ruth A. Fogelberg, Peter J Minnett

Research output: Chapter in Book/Report/Conference proceedingConference contribution

13 Citations (Scopus)

Abstract

Over the past 4 years, we have developed and extensively deployed the Calibrated, InfraRed, In sim Measurement System, or CIRIMS, for at-sea validation of satellite-derived sea surface temperature (SST). The project is funded by the NASA EOS Validation Program for validation of SST from MODIS, the MODerate resolution Imaging Spectroradiometer, aboard the EOS Terra and Aqua satellites. The design goals include autonomous operation at sea for up to 6 months and an accuracy of ±0.1 °C. One of the most challenging aspects of the design is protection against the marine environment. We use commercially available infrared pyrometers and a precision blackbody housed in a temperature-controlled enclosure. The sensors are calibrated at regular interval using a cylindro-cone target immersed in temperature-controlled water bath, which allows the calibration points to follow the ocean surface temperature. An upward-looking pyrometer measures sky radiance in order to correct for the non-unity emissivity of water, which can introduce an error of up to 0.5 °C. As part of our design strategy, we have evaluated the use of an infrared transparent window to completely protect the sensor and calibration blackbody from the marine environment. A total of three units have been fabricated and deployed at sea for over 700 days since 1998. We give an overview of the design and report on the performance of the CIRIMS in comparison to the Marine-Atmosphere Emitted Radiance Interferometer (M-AERI) which is the primary in situ validation instrument for MODIS.

Original languageEnglish (US)
Title of host publicationProceedings of SPIE - The International Society for Optical Engineering
EditorsW.L. Barnes
Pages222-229
Number of pages8
Volume4814
DOIs
StatePublished - 2002
EventEarth Observing Systems VII - Seattle, WA, United States
Duration: Jul 7 2002Jul 10 2002

Other

OtherEarth Observing Systems VII
CountryUnited States
CitySeattle, WA
Period7/7/027/10/02

Fingerprint

infrared radiometers
sea surface temperature
Radiometers
MODIS (radiometry)
Satellites
Infrared radiation
pyrometers
marine environments
Pyrometers
radiance
ocean temperature
Temperature
ocean surface
Calibration
sensors
enclosure
emissivity
water
surface temperature
Sensors

Keywords

  • Aqua
  • CIRIMS
  • EOS
  • MODIS
  • Satellite validation
  • SST
  • Terra

ASJC Scopus subject areas

  • Electrical and Electronic Engineering
  • Condensed Matter Physics

Cite this

Jessup, A. T., Fogelberg, R. A., & Minnett, P. J. (2002). Autonomous shipboard infrared radiometer system for in situ validation of satellite SST. In W. L. Barnes (Ed.), Proceedings of SPIE - The International Society for Optical Engineering (Vol. 4814, pp. 222-229) https://doi.org/10.1117/12.451782

Autonomous shipboard infrared radiometer system for in situ validation of satellite SST. / Jessup, Andrew T.; Fogelberg, Ruth A.; Minnett, Peter J.

Proceedings of SPIE - The International Society for Optical Engineering. ed. / W.L. Barnes. Vol. 4814 2002. p. 222-229.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Jessup, AT, Fogelberg, RA & Minnett, PJ 2002, Autonomous shipboard infrared radiometer system for in situ validation of satellite SST. in WL Barnes (ed.), Proceedings of SPIE - The International Society for Optical Engineering. vol. 4814, pp. 222-229, Earth Observing Systems VII, Seattle, WA, United States, 7/7/02. https://doi.org/10.1117/12.451782
Jessup AT, Fogelberg RA, Minnett PJ. Autonomous shipboard infrared radiometer system for in situ validation of satellite SST. In Barnes WL, editor, Proceedings of SPIE - The International Society for Optical Engineering. Vol. 4814. 2002. p. 222-229 https://doi.org/10.1117/12.451782
Jessup, Andrew T. ; Fogelberg, Ruth A. ; Minnett, Peter J. / Autonomous shipboard infrared radiometer system for in situ validation of satellite SST. Proceedings of SPIE - The International Society for Optical Engineering. editor / W.L. Barnes. Vol. 4814 2002. pp. 222-229
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