Application of NASA ESE Data and Tools to Air Quality Management Stefan Falke and Rudolf Husar (Co-PIs) Washington University in St. Louis Project Period:

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Presentation transcript:

Application of NASA ESE Data and Tools to Air Quality Management Stefan Falke and Rudolf Husar (Co-PIs) Washington University in St. Louis Project Period: Nov 04 – Oct 09 NASA Applied Sciences Program Air Quality Team Meeting October 27-29, Washington, DC

Hurdles “The user cannot find the data; If he can find it, he cannot access it; If he can access it, he doesn't know how good they are; if he finds them good, he can not merge them with other data” The Users View of IT, NAS 1989

Interoperability Stack User Provider GEOSS Clearinghouse Core Discovery Metadata/ Machine Metadata OGC W*S Capabilities People-People Extended Structured Metadata ISO Publish Bind Find Service Orientation

Refined Search for AQ Data in uFIND AQ uFIND Community Portal Provider GEOSS Clearinghouse Coarse Filter Refined Search

Standards-Based Service Protocol OGS Standards, WCS, WMS

WCS Interface GetCapabilities GetCoverage DescribeCoverage Contains a heterogeneous list of coverages. (collection of homogeneous data fields) Used to find and select coverage/fields Description of specific coverage (BBOX, time range, grid size, location table) and it’s fields. Used to formulate data request Subset of coverage by bbox, time range, fields, etc. Used to access space-time subset of requested coverage WCS Client Database Nc, SQL, Cube Database Nc, SQL, Cube Capabilities Doc DeliverCoverage DescribeCoverage Doc Metadata Extractor Subsetter

SQL Subsetter SQL WCS Get Coverage Query Parser Coverage, Field, BBOX, Times, Other DIm Apply Templates Query Database Post-process output GetCoverage ‘Select’ Template ‘Where’ Template Data Output as a netcdf, csv…

Emission Surf. Obs. Satellite Model Population Informing the Public Enforcing Standards Hemispheri c Transport Real-time Service Regulatory Analysis Policy Assessment Air Quality & Health Applications Observing Systems Atmospheri c Compositio n Science & Education

GEOSS Air Quality Community of Practice (GEO CoP) GEO Perspective: Need conduit for communication with the AQ community Practitioner Perspective: Forum for sharing experiences, information…..++ CoP Motto (by RBH): Connect and Enable (Divide and Conquer)

How you can contribute and benefit Community Building Share your interests and project contributions (like this meeting) Use ESIP for advancing your project objectives (e.g., ‘built-in’ testers, users…) Help define the GEOSS GCI and/or Community of Practice Enhance the Information Infrastructure Become a ‘node’ on the air quality interoperability network Learn best practices in implementing standards for sharing your project data and tools Participate in (and influence) the GEOSS Architecture Implementation Pilot Use the AQ Community Information Architecture (register your services in GEOSS, find information resources useful for your project) Participate in the development of air quality information networks Collaborate on AQ Science and Research Projects

DataFed Application/Tech Infusion: Hemispheric Transport of Air Pollutants (HTAP) HTAP Data Network

Interested in participating in the HTAP Network? Have AQ Info Need? Make your need be known to CoP Have Data or Model Register them in the HTAP Catalog Want to Help Building Network? Participate in the AQ Community of Practice

Loosely Coupled Data Access through Standard Protocols The next three slides describe the key technologies used in the creation of an adaptable and responsive air quality information system. OGC data access protocols and standard formats facilitate loose coupling between data on the internet and processing services. For air quality, the Web Coverage Service (WCS), provides a universal simple query language for requesting data as where, when, what. That is: geographic (3D bounding box), time range and parameter. The Web Map Service (WMS) and Web Feature Service (WFS) are also useful. The use of standard data physical data formats and naming conventions elevates the syntactic and semantic interoperability. Within DataFed all data access services are implemented as WCS or WMS and optionally WFS. General format adapter components permit data request in a variety of standard formats. GetCapabilities GetData Capabilities, ‘Profile’ Data Where? When? What? Which Format? Server Back End Std. Interface Client Front End Std. Interface QueryGetData Standards Where?BBOXOGC, ISO When?TimeOGC, ISO What?TemperatureCF FormatnetCDF, HDF..CF, EOS, OGC T2T1 Domain ProcessingData Sharing Std. Interface Gen. Processing Std. Interface Data Control Reports Reporting Obs. & ModelsDecision Support System

GEOSS Framework Dec Maker‘Informer’Proc/MedData Mgr Foreign Ministers LRTP Lead Taskforce Atm. Science Assessors Science Data Manager HTAP EPA Reg. Dec. Maker Fed. Agency Regulator Sate Agency Analyst Portal Manager Except Event Public Individual Media Public, Private Forecaster Analyst Automatic Data Real Time User/Act or Class Air Quality Info System Users (Classes) Links (Types) Info (Flow) GEOSS Core