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The '''International Satellite Cloud Climatology Project''' (ISCCP) was established as the first project of the [[World Climate Research Program]] (WCRP). Since its inception in 1982, there have been two phases, 1983–1995 and 1995–2009.<ref name="npolar">{{cite web|url=http://clic.npolar.no/disc/disc_datasets_metadata.php?s=0&desc=1&table=Datasets&id=DISC_GCMD_ISCCP_D1&tag=All&Category=&WCRP=&Location=All&stype=phrase&limit=10&q=|title=International Satellite Cloud Climatology Project (ISCCP) Stage D1 3-Hourly Cloud Products - Revised Algorithm in Hierarchical Data Format (ISCCP_D1)|date=2004-12-22|publisher=npolar.no|accessdate=2008-10-13}}</ref> The project is responsible for collection and analysis of weather [[satellite]] radiance measurements. It infers [[cloud]]s' global distribution and properties, along with their [[Day|diurnal]], [[seasonal]], and interannual variations. The results are studied to understand clouds in climate, including their effects on [[Radiative forcing|radiative energy]] exchanges, plus their role in the global water cycle. These datasets provide a systematic view of cloud behavior.<ref>{{cite web|url=http://isccp.giss.nasa.gov/overview.html|title=ISCCP OVERVIEW|publisher=nasa.gov|accessdate=2008-10-13}}</ref>
The '''International Satellite Cloud Climatology Project''' (ISCCP) was established as the first project of the [[World Climate Research Program]] (WCRP). Since its inception in 1982, there have been two phases, 1983–1995 and 1995–2009.<ref name="npolar">{{cite web|url=http://clic.npolar.no/disc/disc_datasets_metadata.php?s=0&desc=1&table=Datasets&id=DISC_GCMD_ISCCP_D1&tag=All&Category=&WCRP=&Location=All&stype=phrase&limit=10&q=|title=International Satellite Cloud Climatology Project (ISCCP) Stage D1 3-Hourly Cloud Products - Revised Algorithm in Hierarchical Data Format (ISCCP_D1)|date=2004-12-22|publisher=npolar.no|accessdate=2008-10-13|deadurl=yes|archiveurl=https://web.archive.org/web/20110614112012/http://clic.npolar.no/disc/disc_datasets_metadata.php?s=0&desc=1&table=Datasets&id=DISC_GCMD_ISCCP_D1&tag=All&Category=&WCRP=&Location=All&stype=phrase&limit=10&q=|archivedate=2011-06-14|df=}}</ref> The project is responsible for collection and analysis of weather [[satellite]] radiance measurements. It infers [[cloud]]s' global distribution and properties, along with their [[Day|diurnal]], [[seasonal]], and interannual variations. The results are studied to understand clouds in climate, including their effects on [[Radiative forcing|radiative energy]] exchanges, plus their role in the global water cycle. These datasets provide a systematic view of cloud behavior.<ref>{{cite web|url=http://isccp.giss.nasa.gov/overview.html|title=ISCCP OVERVIEW|publisher=nasa.gov|accessdate=2008-10-13}}</ref>


The ISCCP headquarters are located at the [[Goddard Institute for Space Studies]] in [[New York City]].<ref>{{cite web|url=http://badc.nerc.ac.uk/data/isccp/|title=International Satellite Cloud Climatology Project (ISCCP) Data - C2|publisher=nerc.ac.uk|accessdate=2008-10-13}}</ref>
The ISCCP headquarters are located at the [[Goddard Institute for Space Studies]] in [[New York City]].<ref>{{cite web|url=http://badc.nerc.ac.uk/data/isccp/|title=International Satellite Cloud Climatology Project (ISCCP) Data - C2|publisher=nerc.ac.uk|accessdate=2008-10-13}}</ref>
ISCCP data is stored at the ISCCP Central Archive and at [[NASA]]. While the data are typically used for climate study, they are also a valuable resource for astronomical pursuits.<ref>{{cite web|url=http://home.cc.umanitoba.ca/~jander/clouds/globalclouds.html|title=Global Cloud Cover Maps|publisher=umanitoba.ca|accessdate=2008-10-13}}</ref>
ISCCP data is stored at the ISCCP Central Archive and at [[NASA]]. While the data are typically used for climate study, they are also a valuable resource for astronomical pursuits.<ref>{{cite web|url=http://home.cc.umanitoba.ca/~jander/clouds/globalclouds.html|title=Global Cloud Cover Maps|publisher=umanitoba.ca|accessdate=2008-10-13|deadurl=yes|archiveurl=https://web.archive.org/web/20080924115209/http://home.cc.umanitoba.ca/~jander/clouds/globalclouds.html|archivedate=2008-09-24|df=}}</ref>


From 1983, institutions from around the world have collected and analyzed satellite radiance measurements from two polar orbiting and five geostationary satellites.<ref name="npolar" />
From 1983, institutions from around the world have collected and analyzed satellite radiance measurements from two polar orbiting and five geostationary satellites.<ref name="npolar" />
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#Derive and validate a global cloud climatology.
#Derive and validate a global cloud climatology.
#Promote research using ISCCP data to improve parameterizations of clouds in climate models.
#Promote research using ISCCP data to improve parameterizations of clouds in climate models.
#Improve understanding of the earth’s radiation budget (top-of-atmosphere and surface) and hydrological cycle."<ref>{{cite web|url=http://isccp.giss.nasa.gov/accomplishments.html|title=Accomplishments of the INTERNATIONAL SATELLITE CLOUD CLIMATOLOGY PROJECT|publisher=nasa.gov|accessdate=2008-10-13}}</ref>
#Improve understanding of the earth’s radiation budget (top-of-atmosphere and surface) and hydrological cycle."<ref>{{cite web|url=http://isccp.giss.nasa.gov/accomplishments.html|title=Accomplishments of the INTERNATIONAL SATELLITE CLOUD CLIMATOLOGY PROJECT|publisher=nasa.gov|accessdate=2008-10-13|deadurl=yes|archiveurl=https://web.archive.org/web/20081010181734/http://isccp.giss.nasa.gov/accomplishments.html|archivedate=2008-10-10|df=}}</ref>
</blockquote>
</blockquote>


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==External links==
==External links==
* [http://isccp.giss.nasa.gov/ Official website]
* [http://isccp.giss.nasa.gov/ Official website]
* [http://www.wmo.ch/pages/prog/sat/CGMS/Directoryofapplications/en/ap4-04.htm Data sets]
* [https://web.archive.org/web/20070626080716/http://www.wmo.ch/pages/prog/sat/CGMS/Directoryofapplications/en/ap4-04.htm Data sets]
* [http://asd-www.larc.nasa.gov/fire/overview.html FIRE (First ISCCP Regional Experiment)]
* [https://web.archive.org/web/20080916232209/http://asd-www.larc.nasa.gov/fire/overview.html FIRE (First ISCCP Regional Experiment)]
* [http://www.ncdc.noaa.gov/gibbs/ GIBBS (Global ISCCP B1 Browse System, 1974-2008)]
* [http://www.ncdc.noaa.gov/gibbs/ GIBBS (Global ISCCP B1 Browse System, 1974-2008)]
* [http://www.cgd.ucar.edu/cas/catalog/satellite/isccp/C2/means.html Monthly means]
* [https://web.archive.org/web/20070328040222/http://www.cgd.ucar.edu/cas/catalog/satellite/isccp/C2/means.html Monthly means]


[[Category:Climate institutions and programs]]
[[Category:Climate institutions and programs]]

Revision as of 06:10, 15 November 2017

The International Satellite Cloud Climatology Project (ISCCP) was established as the first project of the World Climate Research Program (WCRP). Since its inception in 1982, there have been two phases, 1983–1995 and 1995–2009.[1] The project is responsible for collection and analysis of weather satellite radiance measurements. It infers clouds' global distribution and properties, along with their diurnal, seasonal, and interannual variations. The results are studied to understand clouds in climate, including their effects on radiative energy exchanges, plus their role in the global water cycle. These datasets provide a systematic view of cloud behavior.[2]

The ISCCP headquarters are located at the Goddard Institute for Space Studies in New York City.[3] ISCCP data is stored at the ISCCP Central Archive and at NASA. While the data are typically used for climate study, they are also a valuable resource for astronomical pursuits.[4]

From 1983, institutions from around the world have collected and analyzed satellite radiance measurements from two polar orbiting and five geostationary satellites.[1]

Objectives

The goals and objectives of the ISCCP have included:

  1. "Produce a global, reduced-resolution, calibrated and normalized, infrared and visible radiance dataset, along with basic information on the radiative properties of the atmosphere, from which cloud parameters can be derived.
  2. Coordinate basic research on techniques for inferring the physical properties of clouds from satellite radiance data.
  3. Derive and validate a global cloud climatology.
  4. Promote research using ISCCP data to improve parameterizations of clouds in climate models.
  5. Improve understanding of the earth’s radiation budget (top-of-atmosphere and surface) and hydrological cycle."[5]

Criticism

Some scientists suggest that the decreasing trends in the ISCCP data are "satellite viewing geometry artifacts" and the data may not be appropriate for some long-term global studies.[6]

NASA Goddard Space Flight Center image of clouds, land, ocean, and sea ice

See also

References

  1. ^ a b "International Satellite Cloud Climatology Project (ISCCP) Stage D1 3-Hourly Cloud Products - Revised Algorithm in Hierarchical Data Format (ISCCP_D1)". npolar.no. 2004-12-22. Archived from the original on 2011-06-14. Retrieved 2008-10-13. {{cite web}}: Unknown parameter |deadurl= ignored (|url-status= suggested) (help)
  2. ^ "ISCCP OVERVIEW". nasa.gov. Retrieved 2008-10-13.
  3. ^ "International Satellite Cloud Climatology Project (ISCCP) Data - C2". nerc.ac.uk. Retrieved 2008-10-13.
  4. ^ "Global Cloud Cover Maps". umanitoba.ca. Archived from the original on 2008-09-24. Retrieved 2008-10-13. {{cite web}}: Unknown parameter |deadurl= ignored (|url-status= suggested) (help)
  5. ^ "Accomplishments of the INTERNATIONAL SATELLITE CLOUD CLIMATOLOGY PROJECT". nasa.gov. Archived from the original on 2008-10-10. Retrieved 2008-10-13. {{cite web}}: Unknown parameter |deadurl= ignored (|url-status= suggested) (help)
  6. ^ Evan, A. T.; A. K. Heidinger; D. J. Vimont (2007). "Arguments against a physical long-term trend in global ISCCP cloud amounts". Geophysical Research Letters. 34 (L04701). American Geophysical Union.: L04701. Bibcode:2007GeoRL..3404701E. doi:10.1029/2006GL028083.

Further reading

  • Tsuang, B.-J., Chou, M.-D., Zhang, Y., Roesch, A., & Yang, K. (2008). "Evaluations of Land-Ocean Skin Temperatures of the ISCCP Satellite Retrievals and the NCEP and ERA Reanalyses". Journal of Climate. 21 (2), 308-330. ISSN 0894-8755
  • Knapp, K. R. (2008). "Calibration Assessment of ISCCP Geostationary Infrared Observations Using HIRS". Journal of Atmospheric and Oceanic Technology. 25 (2), 183-195. ISSN 0739-0572
  • Evan, A. T., Heidinger, A. K., & Vimont, D. J. (2007). "Arguments against a physical long-term trend in global ISCCP cloud amounts (DOI 10.1029/2006GL028083)". GEOPHYSICAL RESEARCH LETTERS. 34 (4), L04701. ISSN 0094-8276
  • Meinke, I. (2006). "A Comparison of Simulated Clouds to ISCCP Data". MONTHLY WEATHER REVIEW- USA. 134 (6), 1669-1681. ISSN 0027-0644
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