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Cushing – gCORE Eco Observatories MetaData MES gCORE, Fall 2011 Judy Cushing What are metadata? Why are they important? Why are they hard to get? Let’s.

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Presentation on theme: "Cushing – gCORE Eco Observatories MetaData MES gCORE, Fall 2011 Judy Cushing What are metadata? Why are they important? Why are they hard to get? Let’s."— Presentation transcript:

1 Cushing – gCORE Eco Observatories MetaData MES gCORE, Fall 2011 Judy Cushing What are metadata? Why are they important? Why are they hard to get? Let’s look at some…. Let’s write some….

2 Cushing – gCORE Eco Observatories What are metadata? "data about data." Read about metadata at the Andrews’ Site.Andrews’ Site What are metadata? "data about data." Read about metadata at the Andrews’ Site.Andrews’ Site http://andrewsforest.oregonstate.edu/lter/data/metadata.cfm?topnav=115 Metadata are a component of data and describe the data. Metadata describe the content, quality, condition, and other characteristics of data. Without proper documentation a data set is incomplete. Who? What? Where? When? … Why? Metadata requested by LTER sites are generally consistent with national standards, specifically the Ecological Metadata Language (EML)Ecological Metadata Language (EML) and the Federal Geographic Data Committee (FGDC) Biological Data Profile.Biological Data Profile

3 Cushing – gCORE Eco Observatories What are metadata? (cont) http://andrewsforest.oregonstate.edu/lter/data/metadata.cfm?topnav=115 Metadata InstructionsMetadata Instructions how to write "Database Level Information" Entity and Attribute Level Information Other : Unit Dictionary - unit measurement codes for range attributes Unit Dictionary keywords – images Spatial Data Documentation Guidelines Unit TypeUnit CodeUnit Name Unit Description lengthcmcentimeters centimeters;.01 meters dmdecimeters decimeters;.1 meters

4 Cushing – gCORE Eco Observatories Let’s look at some metadata … CF002 CF002 * (Oct 2 1968 - Present) Long-term stream chemistry concentrations and fluxes: Small watershed proportional samples in the Andrews Experimental Forest. PI: Sherri L. JohnsonSherri L. Johnson * Johnson, S.; Fredriksen, R. 2011. Long-term stream chemistry concentrations and fluxes: Small watershed proportional samples in the Andrews Experimental Forest. Long-Term Ecological Research. Forest Science Data Bank, Corvallis, OR. [Database]. Available: http://andrewsforest.oregonstate.edu/data/abstract.cfm?dbcode=CF002 (19 October 2011).

5 Cushing – gCORE Eco Observatories Let’s write some metadata …

6 Cushing – gCORE Eco Observatories Why are metadata important?

7 Cushing – gCORE Eco Observatories Why are metadata hard to get??

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