LTER Data Management Margaret O’Brien Santa Barbara Coastal Long Term Ecological Research (LTER)...
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Transcript of LTER Data Management Margaret O’Brien Santa Barbara Coastal Long Term Ecological Research (LTER)...
![Page 1: LTER Data Management Margaret O’Brien Santa Barbara Coastal Long Term Ecological Research (LTER) Project Santa Barbara Channel Biodiversity Observation.](https://reader036.fdocuments.us/reader036/viewer/2022062309/56649f345503460f94c525a2/html5/thumbnails/1.jpg)
LTER Data Management
Margaret O’BrienSanta Barbara Coastal Long Term Ecological Research (LTER) Project
Santa Barbara Channel Biodiversity Observation Network
2014-04-24
http://sbc.lternet.edu http://sbc.marinebon.org
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LTER Network
25 sites, funded by NSF (1980)
Independent research, locally drivenPrimary productionPopulationsEcosystem cycling
Organic Inorganic (nutrients)
Disturbance
Considerable leveragingPartnerships
USDA, USFS, Integrated data management
http://iLTERnet.edu
http://LTERnet.edu
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LTER Data Management
o Sites are the experts for their own data, and should work with the systems and partnerships that are available
o Sites collaborate as appropriate within the LTER to develop the software they need, and create economy of scale by converging practices and mechanisms
o Network sets goals and provides a collaborative atmosphere, but does not dictate mechanisms
Cross-site comparisons began in the 1990s Developed XML-based data sharing mechanism
EML released in 2003
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LTER Data Management Today
• Active DM committee – “Best Practice” docs– ESIP member
• Central data catalog– DOI assignment
• Data package checking• Automated code generation
– R– Matlab– SAS
• Federation
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EML Overview
• Related specifications– FGDC– ISO-19115– Darwin Core (DwC)
• Communities– OBIS, GBIF (Darwin Core Archive)– TDWG
• Features– Rich structural metadata allows automated ingestion– Active development community
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Santa Barbara Coastal LTER
Understand factors controlling structure and function of kelp forests of the Santa
Barbara Channel
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Santa Barbara Coastal LTER IMS
• Established protocols for handling and processing
• RDBMS -> XML
• Community standards and expertise
• Structural quality control for data tables and metadata
• Machine-readable data
• Federation
Collection to Distribution
Servers
Backup & processing
EM
L Metadata E
xport
Field
Data collection protocols
Data P
ackage Checking
Data P
ackage Design
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Santa Barbara Channel BON IMS
• Adopted community protocols and standards• Per LTER
• RDBMS -> XML
• Structural quality control
• Local catalog
• TBD
• Federation mechanism
Servers
Integrate ingested &
de novo data
EM
L Metadata E
xport
Data P
ackage Checking
DataONE Member Node?
Data P
ackage Design
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Possible Next Steps
• Outline potential strategies for posting data– Examine repositories
• Exchange specification(s)
– Multiple partners & endpoints?• Consider impact on local groups• Alternatives
– Submit once to federated repository for broad retrieval–
• Begin developing data quality requirements– Examine available tools and vocabularies– Define use cases