Comparison of in-situ cirrus cloud water path and optical depth measurements with MODIS retrievals

  • G. Mace
  • , R. Riveland
  • , S. Benson
  • , S. Platnick
  • , L. Avallone
  • , E. Weinstock
  • , D. Sayres
  • , C. Twohy
  • , T. Garrett
  • , G. Kok
  • , A. Heymsfield

Research output: Contribution to journalConference articlepeer-review

Abstract

A comparison of MODIS retrievals to ground-based cirrus cloud property retrievals at the atmosphere radiation measurement site in Oklahoma was carried out. A upwelling reflectance and radiance was observed by MODIS from the Earth's atmosphere and surface in 36 narrow spectral intervals ranging from .62 μm to 14.385 μm. The observed radiances can provide estimates of optical depth and effective radius by combining measurement channels that were non-absorbing with other channels that were absorbing. The ice water path was estimated directely from these values. The results showed reasonable agreement in optically thin and thick cirrus clouds.

Original languageEnglish
Article number02
Pages (from-to)1-8
Number of pages8
JournalProceedings of SPIE - The International Society for Optical Engineering
Volume5652
DOIs
StatePublished - 2004
EventPassive Optical Remote Sensing of Atmosphere and Clouds IV - Honolulu, HI, United States
Duration: Nov 9 2004Nov 10 2004

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