The far-infrared

A frontier in remote sensing of earth's climate and energy balance

Martin G. Mlynczak, John E. Harries, Rolando Rizzi, Paul W. Stackhouse, David P. Kratz, David G. Johnson, Christopher J. Mertens, Rolando R. Garcia, Brian J Soden

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

16 Citations (Scopus)

Abstract

The radiative balance of the troposphere, and hence climate, is influenced strongly by radiative cooling associated with emission of infrared radiation by water vapor, particularly at far-infrared (far-IR) wavelengths greater than 15 μm and extending out beyond 50 μm. Water vapor absorption and emission is principally due to the pure rotation band, which includes both line and continuum absorption. The distribution of water vapor and associated far-IR radiative forcings and feedbacks are well-recognized as major uncertainties in understanding and predicting future climate. Up to half of the outgoing longwave radiation (OLR) from the Earth occurs beyond 15.4 μm (650 cm-1) depending on atmospheric and surface conditions. Cirrus clouds also modulate the outgoing longwave radiation in the far-IR. However, despite this fundamental importance, far-IR emission (spectra or band-integrated) has rarely been directly measured from space, airborne, or ground-based platforms. Current and planned operational and research satellites typically observe the mid-infrared only to about 15.4 μm. In this talk we will review the role of the far-IR radiation in climate and will discuss the scientific and technical requirements for far-IR measurements of the Earth's atmosphere.

Original languageEnglish (US)
Title of host publicationProceedings of SPIE - The International Society for Optical Engineering
EditorsA.M. Larar, M.G. Mlynczak
Pages150-158
Number of pages9
Volume4485
DOIs
StatePublished - 2002
Externally publishedYes
EventOptical Spectroscopic Techniques, Remote Sensing, and Instrumentation for Atmospheric and Space Research IV - San Diego, CA, United States
Duration: Jul 30 2001Aug 2 2001

Other

OtherOptical Spectroscopic Techniques, Remote Sensing, and Instrumentation for Atmospheric and Space Research IV
CountryUnited States
CitySan Diego, CA
Period7/30/018/2/01

Fingerprint

Energy balance
climate
water vapor
remote sensing
Remote sensing
Earth (planet)
Infrared radiation
far infrared radiation
cirrus clouds
radiative forcing
Earth atmosphere
infrared radiation
radiation
meteorology
Water vapor
troposphere
energy
emission spectra
infrared spectra
platforms

ASJC Scopus subject areas

  • Electrical and Electronic Engineering
  • Condensed Matter Physics

Cite this

Mlynczak, M. G., Harries, J. E., Rizzi, R., Stackhouse, P. W., Kratz, D. P., Johnson, D. G., ... Soden, B. J. (2002). The far-infrared: A frontier in remote sensing of earth's climate and energy balance. In A. M. Larar, & M. G. Mlynczak (Eds.), Proceedings of SPIE - The International Society for Optical Engineering (Vol. 4485, pp. 150-158) https://doi.org/10.1117/12.454247

The far-infrared : A frontier in remote sensing of earth's climate and energy balance. / Mlynczak, Martin G.; Harries, John E.; Rizzi, Rolando; Stackhouse, Paul W.; Kratz, David P.; Johnson, David G.; Mertens, Christopher J.; Garcia, Rolando R.; Soden, Brian J.

Proceedings of SPIE - The International Society for Optical Engineering. ed. / A.M. Larar; M.G. Mlynczak. Vol. 4485 2002. p. 150-158.

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

Mlynczak, MG, Harries, JE, Rizzi, R, Stackhouse, PW, Kratz, DP, Johnson, DG, Mertens, CJ, Garcia, RR & Soden, BJ 2002, The far-infrared: A frontier in remote sensing of earth's climate and energy balance. in AM Larar & MG Mlynczak (eds), Proceedings of SPIE - The International Society for Optical Engineering. vol. 4485, pp. 150-158, Optical Spectroscopic Techniques, Remote Sensing, and Instrumentation for Atmospheric and Space Research IV, San Diego, CA, United States, 7/30/01. https://doi.org/10.1117/12.454247
Mlynczak MG, Harries JE, Rizzi R, Stackhouse PW, Kratz DP, Johnson DG et al. The far-infrared: A frontier in remote sensing of earth's climate and energy balance. In Larar AM, Mlynczak MG, editors, Proceedings of SPIE - The International Society for Optical Engineering. Vol. 4485. 2002. p. 150-158 https://doi.org/10.1117/12.454247
Mlynczak, Martin G. ; Harries, John E. ; Rizzi, Rolando ; Stackhouse, Paul W. ; Kratz, David P. ; Johnson, David G. ; Mertens, Christopher J. ; Garcia, Rolando R. ; Soden, Brian J. / The far-infrared : A frontier in remote sensing of earth's climate and energy balance. Proceedings of SPIE - The International Society for Optical Engineering. editor / A.M. Larar ; M.G. Mlynczak. Vol. 4485 2002. pp. 150-158
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