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Archive & Distribution Status. Amanda Leon, NSIDC AMSR-E Lead Joint AMSR-E Science Team Meeting Washington DC 25-26 June 2009. Outline. AMSR-E Product Status Data Support Statistics Activities at NSIDC ADEOS-II/AMSR Status AMSR-E Validation Status Statistics.
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Archive & Distribution Status Amanda Leon, NSIDC AMSR-E Lead Joint AMSR-E Science Team Meeting Washington DC25-26 June 2009
Outline AMSR-E • Product Status • Data Support • Statistics • Activities at NSIDC ADEOS-II/AMSR • Status AMSR-E Validation • Status • Statistics Sea ice derived from the AMSR-E 89 GHz Tbs. Image courtesy of NASA/GSFC Visualization Studio Joint AMSR-E Science Team Meeting Amanda Leon - NSIDC DAAC 25-26 June 2009
Archive and Distribution Status • All products are Version 2 • Reprocessing completed late September 2008 • Version 1 is no longer distributed • Current Version 2 reprocessing will bring all products to validated algorithm versions • L2A: HDF compression, checksum, DirectTV RFI glint angles • L2B & L3 Land: validated version • L3 Snow: validated version • L3 Sea Ice: validated version, improved tie points AMSR-E Data Versions: http://nsidc.org/data/amsre/versions.html Joint AMSR-E Science Team Meeting Amanda Leon - NSIDC DAAC 25-26 June 2009
Data Support: Ordering Data Warehouse Inventory Search Tool (WIST) • Connects to ECHO metadata database • Search/order entire archive • Browse, spatial/parameter subsetting • https://wist.echo.nasa.gov/~wist/api/imswelcome Data Pool • On-line access via user GUI or FTP site • Access to entire archive • Browse, spatial/parameter subsetting, format/projection conversion • http://nsidc.org/data/data_pool/ AMSR-E Order Data Page: http://nsidc.org/data/amsre/order_data.html Joint AMSR-E Science Team Meeting Amanda Leon - NSIDC DAAC 25-26 June 2009
Data Support: Ordering Data Search 'N Order Interface (SNOWI) • Search/order entire archive • No subsetting • http://nsidc.org/data/snowi/ Subscriptions • Data are automatically provided to the user at the time they are ingested at NSIDC. • http://nsidc.org/daac/subscriptions.html Preliminary (NRT) Data • Most recent eight days of L2 & L3 products • Less than 24 hour latency • http://nsidc.org/data/amsre/prelim.html Joint AMSR-E Science Team Meeting Amanda Leon - NSIDC DAAC 25-26 June 2009
Data Support Documentation • Comprehensive product documentation, recently updated • Algorithm production code (aka DAPs) with release notes available to public • Provide access to ATBDs AMSR-E Documentation: http://nsidc.org/data/amsre/data_summaries/index.html Published Research • Citations updated annually • Please email any additions or corrections to Amanda.Leon@nsidc.org or nsidc@nsidc.org AMSR-E Research: http://nsidc.org/data/amsre/research.html Joint AMSR-E Science Team Meeting Amanda Leon - NSIDC DAAC 25-26 June 2009
Data Support Tools • AMSR-E Swath-to-Grid Toolkit (AS2GT) • HDF-EOS Web-based (HEW) Subsetter • HDF-EOS to GeoTiff (HEG) • Hierarchical Data Format - Earth Observing System (HDF-EOS) User Services • Provide support of data products, in-house developed tools, and proprietary software • Interact with users to determine and understand their AMSR-E data needs • Coordinate product announcements, outreach materials, and NSIDC presence at meetings AMSR-E Tools Page: http://nsidc.org/data/amsre/tools.html User Services – nsidc@nsidc.org Joint AMSR-E Science Team Meeting Amanda Leon - NSIDC DAAC 25-26 June 2009
Archive Statistics Total Version 2 Archive: 10.7 TBs • Old average L2A size = 85 MB • New, compressed L2A size = 51.5 MB • Compression will reduce L2A archive by 40% (~2.3 TB) Average ice sheet surface temperature over Greenland from August 5 through August 13, 2005 using AMSR-E 6.25 Tbs and 12.5 km sea ice products. Image courtesy of NASA/GSFC Visualization Studio. Stats from ECS AIM database Joint AMSR-E Science Team Meeting Amanda Leon - NSIDC DAAC 25-26 June 2009
Distribution Statistics: Total 18 June 2002 – 1 June 2009 Total Distribution: 263.32 TBs 8 million files AMSR-E sea surface temperatures in the Gulf of Mexico on 29 May 2009. Image courtesy of NASA/GSFC Visualization Studio. Stats from EMS Joint AMSR-E Science Team Meeting Amanda Leon - NSIDC DAAC 25-26 June 2009
Distribution Statistics: Trends 2004 - 2009Distribution Files 1,676,571 2003-2004 3426% 2004-2005 113% 2005-2006 90% 2006-2007 -17% 2007-2008 113% 949,987 976,742 787,663 498,977 233,958 Stats from EMS Joint AMSR-E Science Team Meeting Amanda Leon - NSIDC DAAC 25-26 June 2009
Distribution Statistics: Trends 2004 - 2009Distribution Volume 74,169 2003-2004 691% 2004-2005 68% 2005-2006 103% 2006-2007 26% 2007-2008 31% 56,629 44,772 42,054 22,026 13,129 Stats from EMS Joint AMSR-E Science Team Meeting Amanda Leon - NSIDC DAAC 25-26 June 2009
Distribution Statistics: Users 18 June 2002 – 1 June 2009 ~2500 DistinctAMSR-E Users 41.7 % - U.S. Users 58.3% - Foreign Users Stats from EMS & USO TRAK Database Joint AMSR-E Science Team Meeting Amanda Leon - NSIDC DAAC 25-26 June 2009
Distribution Statistics: Users Users and Volume by Country Stats from EMS Joint AMSR-E Science Team Meeting Amanda Leon - NSIDC DAAC 25-26 June 2009
Distribution Statistics: Users • User community continues to grow 2003 - 2009 Total Distinct Users per Year Stats from USO TRAK Database Joint AMSR-E Science Team Meeting Amanda Leon - NSIDC DAAC 25-26 June 2009
Distribution Statistics: NRT Data Preliminary (NRT) AMSR-E Data Distribution through 1 June 2009 20% increase in users over past year NRT 12.5 km Sea Ice concentration data in Google Earth for 20 June 2009. Statistics from our University FTP logs Joint AMSR-E Science Team Meeting Amanda Leon - NSIDC DAAC 25-26 June 2009
Activities at NSIDC • NRT 12.5 km sea ice in Google Earth • 30/60/90 day animations • Sea ice concentration and extent • http://nsidc.org/data/virtual_globes/index.html • NRT 12.5 km sea ice in Science on a Sphere • In 37 locations around the world • http://sos.noaa.gov/ • QA files will be available to users in January 2010 Joint AMSR-E Science Team Meeting Amanda Leon - NSIDC DAAC 25-26 June 2009
ADEOS-II/AMSR • L1A and L2A archived and available for distribution • 28 January -24 October 2003 • Must be a NASA approved user to order data • Website and documentation at NSIDChttp://nsidc.org/data/amsr/index.html • Warehouse Inventory Search Tool (WIST)https://wist.echo.nasa.gov/api/ Joint AMSR-E Science Team Meeting Amanda Leon - NSIDC DAAC 25-26 June 2009
AMSR-E Validation Status & Stats Distinct Users Cryosphere: 110 (24% ) Rainfall: 292 (14% ) Soil Moisture: 1492(27% ) Total: 1894(29% ) • Cryosphere • Alaska Sea Ice • AMSRIce03 • AMSRIce06 • East Antarctic Sea Ice • Meltpond 2000 • Puenta Arenas • West Antarctic Sea Ice • Sea of Okhostk • Rainfall • BALTEX • Eureka, CA • Iowa City, IA • Wakasa Bay • Soil Moisture • SMEX02 • SMEX03 • SMEX04-NAME • SMEX05 Joint AMSR-E Science Team Meeting Amanda Leon - NSIDC DAAC 25-26 June 2009
AMSR-E Validation Distribution Stats Files download from FTP site through 1 June 2009 compared to last year (1 July 2008) Statistics from our University FTP logs Joint AMSR-E Science Team Meeting Amanda Leon - NSIDC DAAC 25-26 June 2009
AMSR-E Validation Distribution Stats Volume downloaded from FTP site through 1 June 2008 compared to last year (1 July 2008) Statistics from our University FTP logs Joint AMSR-E Science Team Meeting Amanda Leon - NSIDC DAAC 25-26 June 2009
AMSR-E Validation Documentation • Implemented a new documentation process • Greatly reduces the time and resources required to publish a data set Joint AMSR-E Science Team Meeting Amanda Leon - NSIDC DAAC 25-26 June 2009
AMSR-E Team at NSIDC Thanks to the AMSR-E Teams at NSIDC! AMSR-E Validation Chris Bond – Operations Karla LaFevre – Technical Writer Dan Webster – Technical Writer Lisa Booker – User Services Jeff Smith – Programmer AMSR-E Chris Bond – Operations Karla LeFevre – Technical Writer Lisa Booker – User Services Jeff Smith – Programmer Siri Jodha Khalsa – ECS Science Coordinator Walt Meier – Scientist Doug Fowler – Test Engineer Cathy Fowler – Database Administrator Joint AMSR-E Science Team Meeting Amanda Leon - NSIDC DAAC 25-26 June 2009
Backup Slides Joint AMSR-E Science Team Meeting Amanda Leon - NSIDC DAAC 25-26 June 2009
AMSR-E Activities at NSIDC • Redesigned AMSR-E Web site • http://nsidc.org/data/amsre/index.html • Google Earth 30/60/90 day NRT 12.5 km sea ice concentration and extent animations • http://nsidc.org/data/virtual_globes/index.html • NRT12.5 km sea ice images used by Science on a Sphere • http://nsidc.org/data/virtual_globes/index.html • QA files should be available to users in January 2010 Joint AMSR-E Science Team Meeting Amanda Leon - NSIDC DAAC 25-26 June 2009
Joint AMSR-E Science Team Meeting Amanda Leon - NSIDC DAAC 25-26 June 2009