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Using GIS Portal Toolkit: Service and Resource Oriented Architectures Implemented in NOAA Drought and Climate Portals PowerPoint Presentation
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Using GIS Portal Toolkit: Service and Resource Oriented Architectures Implemented in NOAA Drought and Climate Portals. Rich Baldwin NOAA National Climatic Data Center. Overview. National Integrated Drought Information System U.S. Drought Portal http://www.drought.gov

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Using GIS Portal Toolkit: Service and Resource Oriented Architectures Implemented in NOAA Drought and Climate Portals

Rich Baldwin

NOAA

National Climatic Data Center

overview
Overview
  • National Integrated Drought Information System
    • U.S. Drought Portal http://www.drought.gov
  • NOAA Climate Services Portal
    • http://www.sab.noaa.gov/test/indexb.htm
  • Web Services – key to interoperability
    • NCDC services
    • GIS Portal Implementation Overview
web services key to interoperability
Web Services – key to interoperability
  • REST
    • Service description: URI path – WADL
    • Interface: many custom clients derived from simple uniform pattern
    • Extensible: expose new resource
    • Semantics: browser defined service methods (get,post,delete,etc.)
    • Use case: navigate URI directories/hyperlinks
    • Entry: easy, http/ftp construct, no language dependencies
  • SOAP
    • Service description: WSDL
    • Interface: many custom clients from a single endpoint (complex)
    • Extensible: add new service methods in WSDL
    • Semantics: implicit operations definition and implementation
    • Use case: SOA (publish – find – bind)
    • Entry: not easy, language dependencies
ncdc services
NCDC Services
  • Daily Data
    • COOP, ASOS, AWOS for US networks
    • Up to 50 variables observed per day (station dependent)
    • Output types: csv, xml
    • 1870 to present
    • Last observation: available after final QC ~2 weeks
  • Integrated Surface Data
    • Hourly observations from global networks
    • Potentially 35 variables observed per minute
    • Output types: csv, xml, waterML
    • 1900 to present
    • Last observation: yesterday’s data
ncdc services7
NCDC Services
  • Global Summary of the Day
    • Integrated Surface Data (global network)
    • 12 variables available
    • Output types: csv, xml, json
    • 1900 to present
    • Last observation: yesterday’s data
  • Drought Index
    • COOP, ASOS networks
    • 15 variables available
    • Output types: csv, xml, json
    • 1890 to present
    • Last observation: updated weekly

DEMO

gis portal implementation overview
GIS Portal Implementation Overview
  • Hardware Configuration
  • Standard Web Services
  • Metadata Profiles
  • Use Cases
  • GIS Portal Toolkit Application
standard web services
Standard Web Services
  • Workflow – Geoprocessing Workflow (GPW)
  • Search & Discovery – Catalog Service for the Web (CS-W)
  • Resource – WMS, WFS, WCS, KML, O&M, SOS
  • Processing – Geoprocessing (WPS)
  • GIS REST API
ncdc metadata profiles
NCDC Metadata Profiles
  • FGDC CSDGM ERSM standard 96%
  • GCMD DIF 4%
  • ISO 19115 < 1%

Note: Transition to ISO 19115 will occur in the coming year

gis portal toolkit application
GIS Portal Toolkit Application
  • GPT Process/Procedures for data managers to create and publish metadata records
  • Highly configurable with validation tuning
  • REST API use cases
  • ArcGIS – end points to map services – backend to metadata
  • NCDC GIS Portal
gpt portal use cases for the rest api15
GPT Portal Use Cases for the REST API
  • Dojo Widget
  • Open Search Engine
ncdc gis portal
NCDC GIS Portal
  • Provides Geospatial Metadata Search
  • Customizable Search
  • Map Viewer
  • REST API (GeoRSS, HTML, Fragment, KML, CSS, search and catalog filtering)
conclusions
Conclusions
  • Provides framework for enterprise search and discovery of GIS resources
  • Provides linkages to GIS OGC and REST service endpoints
  • Provides framework to integrate observation data and maps dynamically
  • Provides foundation for interoperability