Introduction to GISC Beijing Service Zhu ting Jeju

Introduction to GISC Beijing Service Zhu ting, Jeju , Nov. 2012 Telecommunication Division, NMIC, CMA

Ø Structure of Beijing WIS System Ø Services provided by GISC Beijing • Services about metadata - Metadata generation - Metadata upload - Metadata online edit - Metadata harvest • Services about data - Data discovery - Data access and retrieval • Integrated service with CMACast

GISC Beijing Endorsed by ET-GDDP 2009 2010 Started official operation 2011 Started the Development of WIS service： service Collaborated with JMA and DWD on the development of metadata synchronization and data provision Approved by Cg-XVI 2012 2013

System Structure Features: ↘ Adopt J 2 EE framework and layered modular design; ↘ Yield simple structure and easily scalable components; ↘ Own user-friendly web interface; ↘ Fully comply WIS technical specifications and standards; - DAR metadata: WMO Core Metadata Profile 1. 2 - Metadata Synchronization: OAI-PMH, FTP - Data Format: TAC, BUFR, CREX, GRIB, Net. CDF … - Data collection and dissemination: TCP sockets, FTP, HTTP, SMTP/POP 3, multicast …

Ø Structure of Beijing WIS System Ø Services provided by GISC Beijing • Services about metadata - Metadata generation - Metadata upload - Metadata online edit - Metadata harvest • Services about data - Data discovery - Data access and retrieval • Integrated service with CMACast

Services – About Metadata Remote Search based on SRU Metadata generation Metadata upload Metadata Directory Metadata online editor Metadata synchronization Metadata Catalogue Metadata Search

Metadata generation Apply a flexible and configurable metadata generator to make metadata for GISC Beijing and other WIS centers in the responsibility area. Language : JAVA Environment : JDK (5. 0 version above) Database: Oracle 10 g

Metadata Generation - CMA Configurable Metadata Generator TEMPLATE_PATH=/WEB<Q_TBulletinwithout. CAT_for. XLS> Type FY 2 E-S-I INF/metadata/template_cma_20120217_for_GTSR. xml Template Feature: <Region>2</Region> Location file. Identifer 'urn: x. Input file <RTH>BEIJING</RTH> Contactwmo: md: cn. gov. cma: : NSMC. FY 2 Information Metadata Information (such as <Country>CHINA</Country> XP_M_PID_1 = //gmd: file. Identifier#T Parsing rules , recomposing rules and filling rules are provided by configuration files. E. ’||@TTAAII@||''. ''||@CCCC@ Vol. C 1) <Centre>PEKING (BEIJING)</Centre> Fill Text Rules for Filling XP_M_PID_2 = <Date>2009 -12 -23 T 00: 00</Date> - Dictionary Metadata template is separated from core code of metadata generator. Database Oracle Functions //gmd: identification. Info/gmd: MD_Data. Identification/gmd: citation/ Abstract 'CMA Satellite Data. Product: <TTAAii>EWEMYYGA</TTAAii> gmd: CI_Citation/gmd: identifier/gmd: RS_Identifier/gmd: code#T '||f_cmacast_ttdmyygg(@TTAAI <CCCC>BAWX</CCCC> I@, ''1'', ''0'', ''0'')||'' Fill XP_HLEVELSCOPE <Code. Form>AWS-2. 0</Code. Form> attribution on =//gmd: hierarchy. Level/gmd: MD_Scope. Code#A#code. List. Value <Time. Group>hourly</Time. Group> ü For different kinds of data type, just have to update dictionary and configuration files. ''||f_cmacast_ttdmyygg(@TTAA <Remarks>Area: (50 E-145 E), (5 S-60 N). XP_SEARCH_STRINGS = Fill list Input file (such II@, ''1'', ''0'', ''0'')||''. Resolution: 5 KM. </Remarks> ü When dictionary updates, such as WMO Vol A, just have to update database. //gmd: descriptive. Keywords/gmd: MD_Keywords[parent: : gmd: descr Rules for Filling Rules for Parsing and ''||@REMARKS@||'' Satellite: Rules as for. Vol. C 1) <Type. Flag>4</Type. Flag> Recomposing iptive. Keywords/attribute: : uuidref='theme']#L#; I/O Parsing and CMA FY 2 D Geostational satellite. Metadata Template <Type. Group>FY 2 E-S-I</Type. Group> ü When WMO Core Metadata Profile update, just have to modify metadata template file Recomposing Product center: ''||@CCCC@||''. FV_META_MAINTENANCE = as. Needed </Q_TBulletinwithout. CAT_for. XLS> Supplement and configuration file. information Format: FXP_META_MAINTENANCE = ''||@CODEFORM@||''. ''and fill //gmd: metadata. Maintenance/gmd: MD_Maintenance. Information/g … … md: maintenance. And. Update. Frequency/gmd: MD_Maintenance. Freq Needn’t to modify the core code of metadata generator. uency. Code#A#code. List. Value Metadata Information Generation Metadata File Generation Application

Metadata Upload WIS centers could upload their metadata file through Beijing WIS Portal. An ISO 19139 schema validation results will be showed in the webpage, which may be useful for users to correct the error. Upload status and validation results

Metadata on line editor Ø Create (Insert) metadata into WIS Ø Edit (modify) metadata from WIS Ø Delete metadata from WIS New metadata could be downloaded to local PC or upload to GISC Beijing directly.

Metadata on line editor Ø Edit (modify) metadata from WIS Ø Delete metadata from WIS Ø Create (Insert) metadata into WIS Simple Full Text. Edit

Metadata on line editor Ø Delete metadata from WIS Ø Create (Insert) metadata into WIS Ø Edit (modify) metadata from WIS Delete batch Delete one metadata

Metadata harvest OAI Protocol: → If WIS centers have a OAI provider, GISC Beijing could easily harvest the metadata. → An ISO 19139 schema validation and a responsibility check are given to the metadata. → GISC Beijing publishes the valid metadata into WIS. FTP Protocol: → Metadata can also be harvested using FTP push and pull through Internet or GTS. 1) FTP push. WIS centers push their metadata to GISC Beijing’s FTP server. GISC Beijing will import these metadata automatically. 2) FTP pull. WIS centers publish their metadata in a FTP server. GISC Beijing harvest metadata from this FTP server. XML file name must as: TM_<<TTAAII>>_C_<<CCCC>>_<<YYYYMMDDhhmmss>>. xml or ZM_<<local product identifier>>_C_<<CCCC>>_<<YYYYMMDDhhmmss>>. xml → An ISO 19139 schema validation and a responsibility check are given to the metadata. → GISC Beijing publishes the valid metadata into WIS.

Services about Data - Data discovery Search metadata from multi centers one time

Data Access & Retrieval – 24 hours cache Data Access & Retrieval – from 24 h data cache Available data in 24 -hours cache of GISC Beijing to retrieve directly Link to request data beyond 24 hours in GISC Beijing URL for access data in Click here to access data list directly GISC DWD from 24 hour data cache

Data Access & Retrieval – data request Data Access & Retrieval – through data request For accessing near real-time data stored in CMA and JMA

Data Access & Retrieval – data subscription Data Access & Retrieval – through data subscription For accessing real-time data and receiving the data routinely in future Delivery Ways for subscription data n GTS n Internet Other WIS/GTS centers via FTP , TCP sockets Other centers, end-users via FTP, HTTP, SMTP n CMACast System Other centers ( CMACast users)

CMACast – CMA’s Broadcast System for Meteorological Data As a major component of CMA’s national meteorological data dissemination system, CMACast provides the most effective way to obtain real-time meteorological data in China. Meanwhile, abroad users in Asia Pacific Region also can share those data dissemination services by CMACast.

CMACast – A component of GEONETCast As successor of FENGYUNCast, CMACast has taken over FENGYUNCast’s responsibility to GEONETCast completely.

CMACast’s one-stop data services Main station To organize data To disseminate data Receiving stations To Broadcast data To receive data To process data 20

CMACast’s coverage Asia. Sat 4 Location: 122 degrees East Coverage: Asia, Middle East, CIS and Australasia Transponders: 28 Transponder Bandwidth: 36 MHz EIRP: 41 d. BW max Westest: Iraq Southest: New Zealand

CMACast’s Users CMACast has been fully operating since June, 2012. More than 2600 receiving stations in China. 25 oversea users in Asia Pacific Region. Australia Bangladesh (2) DPRK Indonesia Iran Kazakstan Kyrgyzstan Laos Malaysia Maldives Mongolia Myanmar Nepal Pakistan (2) Philippines Sri Lanka Tajikistan Thailand (2) Uzbekistan Viet Nam Hong Kong Macau 22

CMACast’s Strategy Ø Meteorological data is broadcasted in files. Ø Data is organized in 3 level directories – channel, Level-I and Level-II directory. Ø User authorization – open channel, Level-I and Level-II directory. Ø CMAcast has one main network and several sub networks. - Main Network is used to configure system, channel and sub network. - Sub Network is used for user registration and authorization.

CMA Data available on CMACast for Oversea Station Category Data and products Warnings Timeliness 10 seconds Warning for tropical cyclone, tsunami, tornado, severe thunderstorm, volcanic ash clouds … Observations GTS data 1 minute SYNOP; TEMP; PILOT; SHIP; BATHY; BUOY; CLIMAT; AIREP; AMDAR; TRACKOB; TESAC; WAVEOB; SATEM; SARAD; and SATOB. Model Products 20 minutes ECMWF、EDZW、RJTD Fax charts 5 minutes BABJ, EDZW, RJTD CMA Products Model products 20 minutes T 213, T 639, GRAPES products Satellite data 10 seconds FY-2 images and products Satellite data from EUMETSAT Others 10 seconds METEOSAT-7, METOP-A Radar products 10 seconds

CMACast Reception System Interface of CMACast Reception Software Shine. Tek GOES MICAPS Hardware: Ø Satellite Antenna Ø Ø Low noise block Satellite receiver USB key for decryption Computer (No. 1, No. 2, No. 3) p. Interactive tools Application Software: p. Data Retrieval Øp CMACast Reception Software Data Editing • ingest and decrypt digital stream • regenerate data and products p Display and animation • push data to destination in real time • monitor operation status p Weather chart Øp Micaps Datadata Server Software Multi • process original format to Micaps format p. Screen – split Ø Micaps • graphics workbench forecaster p API for redevelopment Ø Shine. Tek GOES (S-VISSR or HRIT from FY- 2/MTSAT;) I. Frontend software • Quick View • Project II. Main processing software • Image processing tools • overlay GIS information • generate products by interactive processing

CMACast’s Feature PCVSAT DVB-S FENGYUNCast CMACast Improve Standard HDLC DVB-S 2 Y Frequency Ku band C band - Rate 2 Mbps 8. 5 Mbps 8. 9 Mbps 70 Mbps Y Coverage China and surround area China and parts of Asia. Pacific region China and parts of Asia -Pacific region Y Num of receiving station 2406 About 510 218 About 2620 Y 1 Advance DVBS 2 technology makes CMACast more powerful, available , reliable. 2 C-band can reduce attenuation caused by rain and snow. 3 The 70 Mbps data broadcast rate can disseminate data 4 times faster than FENGYUNCast and DVBS. 4 Totally 400 GB broadcast capability can disseminate land-based, air-based, space-based data & NWP products to users daily according to user’s authorization level. 5. One-stop service can save user’s cost. One terminal is enough for user to ingest all data. 6. Application software on Process System of CMACast user’s terminal provides choices to users and can help user to utilize data efficiently. By the software, all of the CMA data for oversea station could be processed and shown. 7. Data exchange & re-dissemination capability make Global village become a real one world.

Integrated service for CMACast user CMACast Receiver Server (linux) • Shine. Tek Goes(Part A) (windows) subscribed data Subscribed data to subscribe data • Beijing WIS Portal client • Shine. Tek Goes • Micaps. Data. Server • Micaps workbench (windows) CMACast Reception System Integrated Service covers the stages of data discovery, data subscription, data delivery, data reception and data application for weather forecast operation.

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