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Table · collection · 1999

International Satellite Cloud Climatology Project (ISCCP) Ice Snow Product in Native Data Format

Listed in NASA Earthdata CMR and NASA Data Portal — shown once because both records carry DOI 10.5067/isccp/icesnow_nat

ISCCP_ICESNOW_NAT_1 is the International Satellite Cloud Climatology Project (ISCCP) Ice Snow Product in Native Data Format data set.

Description

It is a merged product containing separate snow and sea ice data sets. The values given are fractional coverage for 5-day intervals.

Data collection for this data set is complete. The data were collected on a global equal-area grid with the cell area equivalent to 1 degree latitude/longitude at the equator. The grid began at the South Pole with the intersection of the Greenwich meridian (0 degree longitude) and the South Pole as a cell corner.

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Ice/Snow Data Set contents included 5-day averages of snow and sea ice fractional coverage. Snow is deduced from visible satellite imagery plus ground data while sea ice was deduced from ship/shore and visible satellite imagery, and microwave measurements. ISCCP was the first project of the World Climate Research Program (WCRP), to collect and analyze satellite radiance measurements to infer the global distribution of cloud radiative properties and their diurnal and seasonal variations.

These data and analysis products were used to improve the understanding and modeling of the effects of clouds on climate. The ISCCP version of the ice/snow data set included only information concerning fractional coverage. The version actually used in the cloud analysis was changed in two ways: reductions to ice/snow presence and creation of margin zones in the data.

The first of these was simply the process of converting the coded parameters in the original data set to code values that indicate only the presence or absence of sea ice and/or snow. The latter process filled in nearby grid cells in the data to indicate proximity to snow or sea ice covered locations. The second change is not included in the archived version of this data.

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Catalogue records · 3

Topics

Stated by source
Advanced Very High Resolution Radiometer · National Oceanic & Atmospheric Administration-10 · National Oceanic & Atmospheric Administration-11 · National Oceanic & Atmospheric Administration-12 · National Oceanic & Atmospheric Administration-14 · National Oceanic & Atmospheric Administration-15 · National Oceanic & Atmospheric Administration-16 · National Oceanic & Atmospheric Administration-17 · National Oceanic & Atmospheric Administration-18 · National Oceanic & Atmospheric Administration-7 · National Oceanic & Atmospheric Administration-8 · National Oceanic & Atmospheric Administration-9 · Sea Ice · Sea Ice · Snow Cover · Snow Cover
From keywords
Astronomy & Astrophysics · Earth & Environmental Science · Ocean & Atmospheric Science · Physics
Inferred from text
Climate change science 71% · Satellite remote sensing 65%
Provenance · 2 source records, 32 field assertions
SourceKeyLast seenRaw
NASA Earthdata CMRC3880704205-LARC_CLOUD14 d agoJSON v1
NASA Data Portal19f8d9cf-b8e0-45a8-9254-9e8f6c8f90c711 d agoJSON v1
FieldAssertionExtractorEvidence
access_levelsource · NASA CMRconnector:nasa_cmr@1.0.0
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concepts[field].local:field:earth-environmentalmapping · data nasa govconnector:data_nasa_gov@1.0.0
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concepts[measured_variable].gcmd:earth-science/cryosphere/sea-icesource · NASA CMRconnector:nasa_cmr@1.0.0
concepts[measured_variable].gcmd:earth-science/cryosphere/snow-ice/snow-coversource · NASA CMRconnector:nasa_cmr@1.0.0
concepts[measured_variable].gcmd:earth-science/oceans/sea-icesource · NASA CMRconnector:nasa_cmr@1.0.0
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