WGISS 37 CCMEO Data Provider Status Patrick King April 15, 2014

Introduction  Earth Observation Data Management System (EODMS) Project – Status  Radarsat-2 Beam Modes  Radarsat-2 Metadata Discovery through OpenSearch  Ordering Radarsat-2 Imagery

Earth Observation Data Management System(EODMS) Project Status  7 Milestones in EODMS contract with Compusult (April 2013-Sept. 2014) 5 Milestones have been completed  Deliverables have included the Project Management Plan, Requirements Analysis, Final Design, Implementation Plan(database migration etc.), Draft ATP, Prototype delivery  CEOCat database is still being populated until the EODMS system is put into production mode  CEOCat database is currently the source of metadata for Radarsat-1 and Radarsat-2 OpenSearch and CSW  EODMS will participate in the Federal Government OpenData Initiative ->  EODMS will be an integral component of the Federal Geospatial Platform (FGP)

Radarsat-2 Beam Modes  Radarsat-2 is an “active” instrument meaning that it transmits energy in the 5.5 cm. wavelength range to the earth’s surface and measures the return of this energy to create imagery  Images are not affected by weather as opposed to optical images (eg. Landsat) whereby cloud cover has a significant impact on image quality.  Images are captured during day or night.  Radarsat-2 products are distinguished by beam mode  Elevation angle and elevation profile of the radar beam are changed to create an incident angle range.  High-resolution (3 m.) and multi-polarization improve the recognition features on the earth`s surface

Radarsat-2 Beam Modes (con’t) -> Example Of Incidence Angles And Resolution  Source – MacDonald, Dettwiler and Associates Ltd. 

Radarsat-2 Beam Modes (con’t) - Ultrafine Beam Mode (3m res.) Imagery Examples

CCMEO OpenSearch Implementation  OpenSearch search parameters :  SearchTerms (“Radarsat-1” or “Radarsat-2” – data set choice)  time:start? (temporal range limited to 10 days)  time:end?  geo:box? (latitude or longitude extent limited to 50 degrees)  startPage (cannot be used with StartIndex or count)  startIndex (cannot be used with StartPage)  count (cannot be used with StartPage)  Key response elements :  Atom :  For Browse Image :  For Product order :  For Scene Metadata :  GeoRSS :  For Browse Footprint :

CCMEO OpenSearch Implementation (con’t) : Temporal Search Example  HTTP Request : 11T00:00:00Z&dtend= T00:00:00Z&startIndex=1&count=50&format=atom  HTTP Response :   <feed xmlns=" xmlns:opensearch=" xmlns:georss=" xmlns:geo="  ns/geo/1.0/" xmlns:time="  CCMEO Radarsat-2 Satellite Scenes ...   Radarsat-2 raw scene   imageid_239161_sceneid_1_recfac_GATN_acqdate_ T23_48_07  T07:02:50-04:00    Radarsat-2 Scene Parameters ---> Acquisition date : :48: Orbit : ImageOrDatasetId : Beam Type : Multi-LookFine Beam : MF22W Station : G TransmitPolarization : H ReceivePolarization : H Station : G 

CCMEO OpenSearch Implementation (con’t)  Format of metadata within tag might change according to CWIC best practices  Radarsat-2 scene metadata and browse will be harvested by COVE team via OpenSearch

CCMEO OpenSearch Implementation (con’t) : Oracle Database Query  Paging can be implemented easily within an Oracle database SQL query instead of programatically sorting through query results :  SELECT * FROM ( SELECT z.*, rownum rnum FROM ( SELECT a FROM tablex b WHERE xxxx ) z where rownum <= $end_row ) where rnum >= $start_row ;" >> $QUERY

Ordering Radarsat-1 and Radarsat-2 Imagery  15T23_34_02&image_identifier=66793&beam_identifier=SpotlightA&transmit_polarization=H&receive_polarization= H&satellite=Radarsat-2

Ordering Radarsat-1 and Radarsat-2 Imagery (con’t)