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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

Archive & Distribution Status

Amanda Leon, NSIDC AMSR-E Lead

Joint AMSR-E Science Team Meeting

Washington DC25-26 June 2009


Outline

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 DAAC25-26 June 2009


Archive and distribution status

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 DAAC25-26 June 2009


Data support ordering data

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 DAAC25-26 June 2009


Data support ordering data1

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 DAAC25-26 June 2009


Data support

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 [email protected] or [email protected]

AMSR-E Research: http://nsidc.org/data/amsre/research.html

Joint AMSR-E Science Team Meeting

Amanda Leon - NSIDC DAAC25-26 June 2009


Data support1

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 – [email protected]

Joint AMSR-E Science Team Meeting

Amanda Leon - NSIDC DAAC25-26 June 2009


Archive statistics

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 DAAC25-26 June 2009


Distribution statistics total

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 DAAC25-26 June 2009


Distribution statistics trends

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 DAAC25-26 June 2009


Distribution statistics trends1

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 DAAC25-26 June 2009


Distribution statistics users

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 DAAC25-26 June 2009


Distribution statistics users1

Distribution Statistics: Users

Users and Volume by Country

Stats from EMS

Joint AMSR-E Science Team Meeting

Amanda Leon - NSIDC DAAC25-26 June 2009


Distribution statistics users2

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 DAAC25-26 June 2009


Distribution statistics nrt data

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 DAAC25-26 June 2009


Activities at nsidc

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 DAAC25-26 June 2009


Adeos ii amsr

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 DAAC25-26 June 2009


Amsr e validation status stats

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 DAAC25-26 June 2009


Amsr e validation distribution stats

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 DAAC25-26 June 2009


Amsr e validation distribution stats1

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 DAAC25-26 June 2009


Amsr e validation documentation

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 DAAC25-26 June 2009


Amsr e team at nsidc

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 DAAC25-26 June 2009


Backup slides

Backup Slides

Joint AMSR-E Science Team Meeting

Amanda Leon - NSIDC DAAC25-26 June 2009


Amsr e activities at nsidc

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 DAAC25-26 June 2009


Archive distribution status

Joint AMSR-E Science Team Meeting

Amanda Leon - NSIDC DAAC25-26 June 2009


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