The JGOFS/GLOBEC Data
Management System for Serving Physical and Biological Oceanographic Data and
Plans to Enhance It
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Presented at the Open Geospatial
Consortium Technical Committee Meeting – Natural Resources and Environment
Working Group |
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R.C. Groman, P.H. Wiebe, N.H. Vine |
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and M.D. Allison |
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18 January 2005 |
Initial Goals
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To understand the population dynamics
of key species in terms of their coupling to the physical environment and in
terms of their predators and prey. |
Ultimate Goal
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To be able to predict changes in the
distribution and abundance of target species as a result of changes in their
physical and biotic environment as well as to anticipate how their
populations might respond to climate change. |
US GLOBEC
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Georges Bank |
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Southern Ocean |
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Gulf of Alaska |
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Northeast Pacific Program |
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Multi-national participation |
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Key Data Policy
Characteristics
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Dissemination to scientific
investigators on a timely basis |
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Available when "useful" |
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Available to others outside the Program |
Data and Information
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Field data |
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Retrospective studies |
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Laboratory experimental results |
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Modeling data |
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Information |
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Distributed
JGOFS/GLOBEC Data
Management System
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Distributed data servers |
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Web accessible |
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Supports plotting and downloading |
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Developed by Flierl, et
al. for US JGOFS Program
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Distributed data - client/server system |
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Open access - read only |
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Quality control on-going |
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Emphasis on access to data and
information as quickly as possible |
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Data Acknowledgement
Policy
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Data sets being collected are most
worthwhile in the context of all the other data sets being collected |
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Investigators must respect the
ownership of the data and should request permission to use data.
Collaboration encouraged. |
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Object/Server Model
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The data object receives requests and
responds with data; and a server
connects applications to objects. |
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Clients and Servers
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Browser application (Netscape, Internet
Explorer, etc.) |
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Platform independent |
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More than just data served, information
too |
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Based on "http" protocol |
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Centralized Starting
Point
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GLOBEC machine at WHOI |
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Directory shows data categories or
hierarchy |
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Encourages use of common field names (thesaurus) |
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Example
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Start at home page |
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Go to data directory |
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Select data object |
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Data selection and projection options |
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Simple plots |
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Download options |
Enhancements
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Improve the visual interface to the
data (map versus tabular) |
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Retain “data driven” attribute of
system |
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Map Tools
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Live Access Server (LAS) – used by US
JGOFS Program |
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MapServer |
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Generic Mapping Tools (GMT) |
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Digital Earth |
Web Based Data Access
Tools
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WEBCOAST |
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GoMOOS |
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Joint Global Ocean Flux Study (JGOFS) |
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National Coastal Data Development
Center (NCDDC) |
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The Federation GIS Services Cluster |
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Distributed Oceanographic Data System
(DODS) |
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PO.DAAC Ocean ESIP Tool (POET) |
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Comprehensive Large Array-data
Stewardship System (CLASS) |
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EarthRef.org |
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SIOExplorer |
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Federal Geographic Data Committee
(FGDC) |
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Australian Spatial Data Directory
(ASDD) |
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United Nations Environment Programme
(UNEP) |
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Animated Earth (NASA) |
Metadata and Data Access
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Metadata currently presented as text
via the web. Current plan is to
convert to XML |
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Data access is via wget application or
JGOFS/GLOBEC list application |
Learning About Existing
Standards
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ECS, FGDC, GCMD common metadata |
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Mapping DIF to FGDC |
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Mapping DIF to Dublin Core |
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Guide to WMS |
What’s Next
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Implement metadata access via XML |
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Create WMS-based application to display
data |
Questions, Comments and
Suggestions