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NEO: NASA Earth Observations 1Kevin Ward - David Herring - July 15, 2004 âSponsor & partners âGoals.

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Presentation on theme: "NEO: NASA Earth Observations 1Kevin Ward - David Herring - July 15, 2004 âSponsor & partners âGoals."— Presentation transcript:

1 NEO: NASA Earth Observations 1Kevin Ward - kevin_ward@ssaihq.com David Herring - dherring@climate.gsfc.nasa.gov July 15, 2004 âSponsor & partners âGoals and objectives âWho are our target audiences? âWhat is NEO? Defining the NEO scope and development phases âCurrent developmental status âOutstanding issues and questions Presentation Overview:

2 NEO: NASA Earth Observations 2Kevin Ward - kevin_ward@ssaihq.com David Herring - dherring@climate.gsfc.nasa.gov July 15, 2004 âPrototype effort sponsored by Vincent Salomonson, MODIS Team Leader âIn partnership with the MODIS Discipline Groups Mark Gray & Bill Ridgway, Atmosphere Norm Kuring & Gene Feldman, Ocean Jacques Descloitres, David Roy, & Robert Wolfe, Land âIn partnership with ESDIS Robin Pfister and the ECHO development team âIn partnership with the Earth Observatory team Kevin Ward, scripting and database design Goran Halusa, interface design David Herring, science writing âA diversity of “tirekickers” from outside NASA A Collaborative Effort

3 NEO: NASA Earth Observations 3Kevin Ward - kevin_ward@ssaihq.com David Herring - dherring@climate.gsfc.nasa.gov July 15, 2004 NEO Mission Statement “To significantly increase the demand for NASA Earth Science Enterprise (ESE) data while dramatically simplifying public access to geo-referenced browse images.”

4 NEO: NASA Earth Observations 4Kevin Ward - kevin_ward@ssaihq.com David Herring - dherring@climate.gsfc.nasa.gov July 15, 2004 What are our objectives? âTo raise awareness of, and provide easier access to, NASA remote sensing data âTo provide novice and non-traditional users with a one-stop shopping interface for accessing geo-referenced imagery and/or ordering data âTo help obtain support for and take advantage of the decentralized community where the expertise and infrastructure resides âTo simplify the process, and shorten the timespan, of going from browse to analysis for our target audiences

5 NEO: NASA Earth Observations 5Kevin Ward - kevin_ward@ssaihq.com David Herring - dherring@climate.gsfc.nasa.gov July 15, 2004 Who wants NASA images/data? Tokyo Science Museum “GeoCosmos” (~20-foot spherical TV) National Museum of Natural History Forces of Change âCommunications partners & public media can easily access images &/or data for display, publication, or broadcast

6 NEO: NASA Earth Observations 6Kevin Ward - kevin_ward@ssaihq.com David Herring - dherring@climate.gsfc.nasa.gov July 15, 2004 âMuseums all across the country AMNH, NMNH, Air & Space Museum, Maryland Science Center, etc. âOther popular Web sites NASA Portal, Destination Earth, âPublic media StormCenter Communications, National Geographic âEducation lesson developers DLESE, TERC, WorldLink Media âCitizen scientists Society for Amateur Scientists, The Heinz Center NASA Earth Explorers Institute âThe science community Target Audiences

7 NEO: NASA Earth Observations 7Kevin Ward - kevin_ward@ssaihq.com David Herring - dherring@climate.gsfc.nasa.gov July 15, 2004 âFrom May 4 - 18, 2004, we surveyed both site subscribers & visitors and received a total of 3,717 (+1,896) responses 509 Teachers (14%,+2%) 238 Students (6%, -4%) 673 Scientists (18%) 224 Media Professionals (6%, +2%) 94 Legislative Officials (3%) 1,979 “None of the above” (53%) 2004 EO Survey Results

8 NEO: NASA Earth Observations 8Kevin Ward - kevin_ward@ssaihq.com David Herring - dherring@climate.gsfc.nasa.gov July 15, 2004 Earth Observatory survey results âIf you had easy-to-use software and easy access to RS data, would you take up Earth observation as a hobby? Almost two-thirds (64%) said “Yes” (!) and 27% said “Maybe”

9 NEO: NASA Earth Observations 9Kevin Ward - kevin_ward@ssaihq.com David Herring - dherring@climate.gsfc.nasa.gov July 15, 2004 What is our objective? âTo overcome technical and cognitive barriers so we can share images & data with unsophisticated target audiences Technical barriers: Access to data &/or new science results Bandwidth constraints Storage constraints Tools for subsetting &/or manipulating data Tools for visualizing &/or extracting information from data Tools & techniques for integrating these data into predictive models Cognitive barriers: Topics often seem abstract &/or irrelevant Chock full of jargon – intimidating Highly politically charged subjects, hence myths & misinformation are perpetuated; what to believe? Subject is extremely complex, spanning across many Earth science disciplines B/c our info is brand new, our audience has no perspective on it

10 NEO: NASA Earth Observations 10Kevin Ward - kevin_ward@ssaihq.com David Herring - dherring@climate.gsfc.nasa.gov July 15, 2004 What is NEO? âCentralized repository of geo-referenced browse images associated metadata: lat/long, data product, satellite/sensor, etc. centralized so that users will not have to locate and then browse independent image sites (e.g., MODIS discipline group or DAAC websites) populated through the cooperation of partner image providers âFlexible user interface for varied user groups to meet the needs of novice users requiring non-mission- or product-specific search capabilities advanced users familiar with parameters, product names, satellites and sensors

11 NEO: NASA Earth Observations 11Kevin Ward - kevin_ward@ssaihq.com David Herring - dherring@climate.gsfc.nasa.gov July 15, 2004 What is NEO? (cont) âProvide functionality to link directly from browse image to source data Users may proceed from viewing browse image to checking data availability to ordering source data in minimum of steps Data availability and ordering functions conducted through ECHO (EOS ClearingHOuse) -- a middleware framework for searching and ordering data from multiple data providers (http://www.echo.eos.nasa.gov/) âA resource that will make browsing for and ordering data much simpler and faster, and will be a site where data-related outreach and education can be centrally coordinated and disseminated A centralized interface for viewing browse imagery and selecting and ordering data

12 NEO: NASA Earth Observations 12Kevin Ward - kevin_ward@ssaihq.com David Herring - dherring@climate.gsfc.nasa.gov July 15, 2004 System Overview N E O Atmos. Disc. Group Server Land Disc. Group Server Ocean Disc. Group Server MODIS Rapid Response System ECHO GES DAAC LP DAAC NSIDC DAAC NEO Browse. Browse images are produced, stored, and made accessible by different servers. The prototype NEO server will interface routinely with each of these servers to retrieve the desired images for storing, indexing and display. Additional browse images also available from ECHO. Data Ordering. NEO will shake hands with the ECHO System, which provides an inventory of NASA’s data collections & Client API’s for ordering data. Thus, ECHO serves as a portal to the DAACs where MODIS data are archived.

13 NEO: NASA Earth Observations 13Kevin Ward - kevin_ward@ssaihq.com David Herring - dherring@climate.gsfc.nasa.gov July 15, 2004 âSpatial resolutions 1 km, 5-minute granules: 1800 x 1800 and 300 x 300 pixels Global products at 0.1 and 1 degree: 3600 x 1800 and 360 x 180 Platte Carre is our preferred projection âTemporal resolutions 1 day, 8 or 16 days, 1 month âFile format 8-bit binary number arrays, grayscale for products Natural color is the exception Users have the option of accepting our palettes, or devising their own File Formats

14 NEO: NASA Earth Observations 14Kevin Ward - kevin_ward@ssaihq.com David Herring - dherring@climate.gsfc.nasa.gov July 15, 2004 âAtmosphere Products Aerosol optical thickness Cloud fraction / cloud mask Fraction of fine aerosol Cloud particle radius Water vapor Cloud optical thickness âOcean Products Sea surface temperature (day) Water-leaving radiance Chlorophyll concentration âLand Land cover classification Daily surface reflectance 16-day albedo Land surface temp (day & night) Normalized Difference Vegetation Index Leaf Area Index Global Data Products

15 NEO: NASA Earth Observations 15Kevin Ward - kevin_ward@ssaihq.com David Herring - dherring@climate.gsfc.nasa.gov July 15, 2004 What Does NEO Search? âNEO browse image records submitted by image provider partners: browse image and metadata packet generated during course of data processing; transmitted through FTP (push or pull) or other protocol harvested from image sites in coordination with site managers; must be able to duplicate extent of metadata provided by direct submission images remain on provider sites unless other storage required âHarvested ECHO records browse images, data availability, and other metadata will be available from records harvested from ECHO and integrated into NEO âUser will have ability to search just for records that have browse images or all records within scope of collection (i.e., MODIS)

16 NEO: NASA Earth Observations 16Kevin Ward - kevin_ward@ssaihq.com David Herring - dherring@climate.gsfc.nasa.gov July 15, 2004 How Does NEO Search? âfielded search query based on selections from populated pull-down menus (incl. specific sensors or product) and other options selection of more parameters will allow the user to drill down to the most precise result set more suitable to advanced users as it will require knowledge of product names, satellites, sensors, etc. âfree-text search assistive interface for users who do not have the specific terminology required for the fielded search combination textual, spatial and temporal search goal of free-text search (and underlying back-end) will be to return data products that are relevant to the user’s query; spatial and temporal parameters will be the same

17 NEO: NASA Earth Observations 17Kevin Ward - kevin_ward@ssaihq.com David Herring - dherring@climate.gsfc.nasa.gov July 15, 2004 âOrients users while managing their expectations: Logical responses to illogical requests How/where to download tools to work with data About each product, links to algorithms &/or ATBDs Size of order with ability to specify retrieval method âProvides many vectors for searching for images & browsing in 2 different projections âData ordering allows users to place orders &/or track status of orders

18 NEO: NASA Earth Observations 18Kevin Ward - kevin_ward@ssaihq.com David Herring - dherring@climate.gsfc.nasa.gov July 15, 2004 Adding Value to Browse Images âProvide comprehensive education to users regarding data file formats and tools to use them tutorials: how to use images and data on site, links to websites for tools “novice” perspective is default; enable advanced users to bypass or turn-off assistive messages and capabilities âAttach/link to ancillary files, metadata, or functions geo-referenced grayscale image for use in Image Composite Editor [http://earthobservatory.nasa.gov/Laboratory/ICE/] ASCII-formatted representation of data (Level 3 global images) [http://lake.nascom.nasa.gov/www/online_analysis/movas/monthly/] links to relevant websites: more information about particular data product data product descriptions: brief introductory paragraphs explaining goals and science behind product; advanced descriptions also, or links to ATBDs

19 NEO: NASA Earth Observations 19Kevin Ward - kevin_ward@ssaihq.com David Herring - dherring@climate.gsfc.nasa.gov July 15, 2004 From Browse to Analysis  Image Composite Editor (ICE) at http://icetool.nasa.gov Build true-color & false- color composites Build scatter plots or graphs of transects to look for correlations Perform histogram analyses Probe images to find unit values and lat-lon info per pixel Animate time-series images Perform math functions Zoom & pan Assign color palettes

20 NEO: NASA Earth Observations 20Kevin Ward - kevin_ward@ssaihq.com David Herring - dherring@climate.gsfc.nasa.gov July 15, 2004 Adding Value (cont) âAttaching ancillary files Can be attached to either individual browse image records (grayscale image, ASCII data) or at a more general level to the data product (ATBDs, product URLs, dataset descriptions) grayscale image and ASCII data files require further operations by the image provider and may require additional storage within NEO âThe NEO collection will provide a platform upon which data- related education and outreach can be pursued demonstrate how classroom analysis can be conducted using browse imagery (ICE tool, ASCII data) Enables random access to images in a “pull mode,” thereby empowering NASA’s communications partners to work more massively parallel

21 NEO: NASA Earth Observations 21Kevin Ward - kevin_ward@ssaihq.com David Herring - dherring@climate.gsfc.nasa.gov July 15, 2004 Current Development Progress âNEO Data model Structure of database & metadata defined âBrowse data ingest procedures Infrastructure / applications in support of ingest via ftp pull, http Currently ingesting MODIS Ocean datasets (thanks to Norman Kuring) âFull-text search based upon dataset metadata Including investigation of conceptual searching techniques âECHO (EOS Clearing HOuse) Harvesting granule metadata –permits linking NEO browse data to raw granules/data products Granule matching between NEO and ECHO –allows for placing orders for data directly from DAACs

22 NEO: NASA Earth Observations 22Kevin Ward - kevin_ward@ssaihq.com David Herring - dherring@climate.gsfc.nasa.gov July 15, 2004 Primary Issues âLevel 2 data format Best format for storing browse data in NEO Weigh performance vs. flexibility –how to store/present projected L2 data: local and/or Platte Carre –investigate potential for remapping to other projections and combining datasets together (GIS) âProduction server Disk space –~ 6.5TB per year for selected MODIS products Will need ample network bandwidth –both NEO-internal and for delivery –perhaps to share the Rapid Response network âTerra MODIS Ocean products?

23 NEO: NASA Earth Observations 23Kevin Ward - kevin_ward@ssaihq.com David Herring - dherring@climate.gsfc.nasa.gov July 15, 2004 Upcoming Milestones âMay 2004: NEO development server set up âJuly 2004: Commence interface design âSeptember 2004: Prototype ready for evaluation Limited dataset availability initially âDecember 2004: Procurement of production server âFebruary 2005: Begin ingest of production data âApril 2005: NEO launched publicly with selected MODIS datasets

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