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Polar Pathfinder Sampler (PPSM): AVHRR Polar Pathfinder 5 km (1978-1996)

The AVHRR Polar Pathfinder 5 km data set provides a time-series overview of each pole. It contains a high level of detail, yet still shows the entirety of each polar region. For the first time, daily composites of AVHRR-collected variables are compiled at a resolution suitable for process studies on a hemispheric scale.

Temporal coverage begins in July 1981 and continues through the present, thereby extending the temporal coverage of upcoming MODIS and and other AM-1 products. Calibrated channel data, surface broadband albedo, surface (skin) temperature, and ancillary data, including solar zenith angles, relative azimuth angles, satellite elevation angles, time of pixel, cloud mask, orbit masks, and surface-type masks, are provided. These ancillary data allow users to apply algorithms of their choice to calculate albedo and surface temperature. Additionally, albedo and surface (skin) temperature have been compiled along with the other data sets noted above into composites at two selected local times for each day. These products are mapped to the EASE-Grid. Also included are ice motion products which include displacement vectors that provide an historical record of ice motion prior to the availability of ERS-1, ERS-2, and RADARSAT-derived ice products, and offer greater spatial coverage than is currently available from buoys or radar data for the Arctic and Antarctic.

The 5 km resolution AVHRR sample data on this CD-ROM covers both poles and comprises the same products as does the full data set, with the exception of ice motion. The CD-ROM contains data for September 8, 1997. Additionally, five movies for various periods in 1988 and 1989 illustrate some of the characteristics of the 5 km data when viewed as time series. One movie illustrates a novel "background" clear-sky skin temperature application. Five km AVHRR Polar Pathfinder products were averaged into 25 km grid cells, providing browse products for the Northern and Southern Hemispheres. The 25 km browse products also provide means of analyzing conditions and trends at a more manageable data volume.

Please note that only portions of the complete time series are available for distribution at the time of release of this CD-ROM.

Simple

Date (Publication)
2007-02-06T02:44:04
Date (Creation)
2007-02-06T02:44:04
Identifier
https://catalogue.ceda.ac.uk/uuid/14d7491743e7425a83b2da6abe4493b2
Identifier
NCAS British Atmospheric Data Centre (NCAS BADC) / 14d7491743e7425a83b2da6abe4493b2
Author
  National Snow and Ice Data Centre - author
Author
  Unavailable - Fowler, C. ( author )
Author
  Unavailable - Maslanik, J. ( author )
Custodian
  NCAS British Atmospheric Data Centre (NCAS BADC) - custodian
British Atmospheric Data Centre , STFC Rutherford Appleton Laboratory , Harwell Oxford , OX11 0QX , UK
+44(0)1235 446432
Distributor
  NCAS British Atmospheric Data Centre (NCAS BADC) - distributor
British Atmospheric Data Centre , STFC Rutherford Appleton Laboratory , Harwell Oxford , OX11 0QX , UK
+44(0)1235 446432
Principal investigator
  Unavailable - Khalsa, Siri Jodha Singh ( principal_investigator )
pointofContact
  NCAS British Atmospheric Data Centre (NCAS BADC) - point_of_contact
British Atmospheric Data Centre , STFC Rutherford Appleton Laboratory , Harwell Oxford , OX11 0QX , UK
+44(0)1235 446432
Publisher
  NCAS British Atmospheric Data Centre (NCAS BADC) - publisher
British Atmospheric Data Centre , STFC Rutherford Appleton Laboratory , Harwell Oxford , OX11 0QX , UK
+44(0)1235 446432
Maintenance and update frequency
notPlanned Not planned
Update scope
dataset Dataset
Keywords
  • PPSM
GEMET - INSPIRE themes, version 1.0
  • atmospheric conditions
Access constraints
otherRestrictions Other restrictions
Other constraints
Public data: access to these data is available to both registered and non-registered users.
Use constraints
otherRestrictions Other restrictions
Other constraints
Under the following licence http://creativecommons.org/licenses/by/4.0/, appropriate use of these data may fall under any use. This message is intended as guidance, always read the full licence. When using these data you must cite them correctly using the citation given on the CEDA Data Catalogue record.
Spatial representation type
grid Grid
Metadata language
EnglishEnglish
Topic category
  • Climatology, meteorology, atmosphere
N
S
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Begin date
1978-10-18T23:00:00
End date
1996-12-31T00:00:00
Unique resource identifier
WGS 84
Distribution format
  • Data are HDF, HRD and binary formatted. Images are GIF formatted. Movies are MPEG formatted ()

Distributor
  NCAS British Atmospheric Data Centre (NCAS BADC) - Data Center Contact
British Atmospheric Data Centre , STFC Rutherford Appleton Laboratory , Harwell Oxford , OX11 0QX , UK
+44(0)1235 446432
OnLine resource
CEDA Data Catalogue Page

Detail and access information for the resource

OnLine resource
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PPSM AVHRR 5km data documentation

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dataset Dataset

Conformance result

Date (Publication)
2010-12-08
Statement
CD-ROM data produced by the National Snow and Ice Data Centre and published in 2000. Data are stored at the BADC.
File identifier
14d7491743e7425a83b2da6abe4493b2 XML
Metadata language
EnglishEnglish
Character set
8-bit variable size UCS Transfer Format, based on ISO/IEC 10646 UTF8
Parent identifier
Polar Pathfinder Sampler (PPSM): Combined Time Series of Atmospheric and Surface Measurements from the AVHRR, SMMR-SSM/I and TOVS Satellites a6ca5bc1b36d1b1a83cba4e4ac4b0bac
Hierarchy level
dataset Dataset
Date stamp
2025-11-15T03:05:47
Metadata standard name
UK GEMINI
Metadata standard version
2.3
Point of contact
  NCAS British Atmospheric Data Centre (NCAS BADC)
British Atmospheric Data Centre , STFC Rutherford Appleton Laboratory , Harwell Oxford , OX11 0QX , UK
+44(0)1235 446432
 
 

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Spatial extent

N
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thumbnail


Keywords

GEMET - INSPIRE themes, version 1.0
atmospheric conditions

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