from prototype to service: a cuahsi datacenter for hydroinformatics
DESCRIPTION
From Prototype to Service: A CUAHSI Datacenter for Hydroinformatics. Richard Hooper Consortium of Universities for the Advancement of Hydrologic Science, Inc. Web Paradigm. Catalog (Google). Catalog harvest. Search. Web Server (CNN.com). Browser (Firefox). Access. - PowerPoint PPT PresentationTRANSCRIPT
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From Prototype to Service: A CUAHSI Datacenter for Hydroinformatics
Richard HooperConsortium of Universities for the
Advancement of Hydrologic Science, Inc.
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Catalog(Google)
Web Server(CNN.com)
Browser(Firefox)
Access
Catalog harvestSearch
Web Paradigm
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HIS Central
HydroServer HydroDesktopData access
Service re
gistration
Search
Services-Oriented Architecture for Water Data
Catalog harvest
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Today: Large-scale Prototype
CUAHSI HIS: open-source suite of software: • Community governed.• Standards for data exchange. • Wrappers that publish standard versions of non-
standard data sources.• Software infrastructure, including:
– HydroCatalog: a search-enabled catalog of hydrological time series sources.
– HydroServer: a data source server. – HydroDesktop: a search/discovery client.
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Map integrating NWIS, STORET, & Climatic Sites 79 public services
13,000+ variables2.3+ million sites23.3 million seriesReferencing 100+ billion data values
Metadata Catalog, Feb 2012
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HIS Usage
1-Jan-09
1-Feb-09
1-Mar-
09
1-Apr-0
9
1-May-
09
1-Jun-09
1-Jul-0
9
1-Aug-0
9
1-Sep-09
1-Oct-
09
1-Nov-0
9
1-Dec-
09
1-Jan-10
1-Feb-10
1-Mar-
10
1-Apr-1
0
1-May-
10
1-Jun-10
1-Jul-1
0
1-Aug-1
0
1-Sep-10
1-Oct-
10
1-Nov-1
0
1-Dec-
10
1-Jan-11
1-Feb-11
1-Mar-
11
1-Apr-1
1
1-May
-11
1-Jun-11
1-Jul-1
1
1-Aug-1
1
1-Sep-11
1-Oct-
11
1-Nov-1
1
1-Dec-
11
1-Jan-12
0
100000
200000
300000
400000
500000
600000
700000
800000
Tim
e Se
ries D
ownl
oade
d
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Where we are going
• A new “data facility” for the university research community (funded by NSF)
• Continues affordable and useful activities of CUAHSI HIS.
• Deprecates and replaces less affordable CUAHSI HIS activities.
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Missions of the data centerTo support use of hydrological data sources via:• Standards that foster information reusability and interchange.• Curation of data and catalogs that conform to and realize
those standards. • Software that embodies these standards and empowers
research. • Support that empowers researchers to utilize data and
software for scientific inquiry.• Engagement with other data providers (local, state, federal
government agencies, NGOs, and international bodies) to make their data available
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Standards
• For data access (e.g., WaterML). • For service design (e.g., WaterOneFlow). • For data discovery (e.g., search interfaces in
HydroCatalog). • For semantic mapping (e.g., in WaterOneFlow-
compliant wrappers).
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Curation
• Standards curation (e.g., WaterML 2.0). • Data catalog curation: ensuring that sources in
the catalog are current and functional. • Data source curation: ensuring that data
sources are protected from inadvertent loss.
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Software
• A new and improved HydroCatalog, that – Points to reliable data sources.– Includes a source curation interface.
• A cloud-based replacement for HydroServer, that– Is easier and more affordable to maintain than a
HydroServer instance. – Meets basic requirements for data management.
• A new highly portable desktop client that: – Is portable to all target environments. – Includes web-based access.
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Support
• For users of HydroDesktop, the new search client, etc.
• For users of HydroServer who wish to continue using it to publish their data.
• For developers attempting to create standards-compliant software, utilizing the standards curated at the facility.
• For developers proposing changes to the software curated at the facility.
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Engagement
• Working with OGC and other standards-setting bodies
• Working with non-academic data providers to enable data sharing
• Developing an extensible catalog
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Map integrating NWIS, STORET, & Climatic Sites 79 public services
13,000+ variables2.3+ million sites23.3 million seriesReferencing 100+ billion data values
Metadata Catalog, Feb 2012