Mercury and the Metadata Editor Robert Cook and Tim Rhyne Oak Ridge National Laboratory Distributed Active Archive Center June 2000

Investigator uses the tools to document data Investigator uses the tools to document data The metadata and data are linked and placed in a predefined location at the Investigator’s computer DOC.html Data.1 Data.2 Data.3 Foundation for MERCURY Documentation, Data Files, Standards Investigator’s Computer connected to the Internet

Mercury’s Harvest and Query Harvester Internet ORNL Empty Data Base Researchers Connected Meta Data Base Full Data Base User Metadata The metadata downloaded from ORNL has links to full metadata, documentation, and data at the researcher’s site. Queries Data Base Links Data and Documentation Downloaded

Selecting a Topic

Selecting a value for the topic

Mercury searches for sites with this value

Click here for details and a link to Data

Link to Download Dataset

Lowest level of FTP Subdirectory at EDC to select and download files

Link to Download Dataset

Data Registered in Mercury June 10, 2000

Metadata Metadata descriptors let you find the data. Documentation lets you understand the data.

Metadata Variables 1. Contact_Information: Principal_Investigator: (Multiple) Name: 2. Data_Set_Information: Data_Set_Title: Project: Site: Picklist Spatial_Coverage: Westernmost_Longitude: Easternmost_Longitude: Northernmost_Latitude: Southernmost_Latitude: Time_Period: Temporal_Coverage: Start_Date: End_Date: Temporal_Resolution: Parameter_Description: (Multiple) Parameter: Picklist Source: Picklist Sensor: Picklist Term: Picklist Topic: Picklist Keywords: Abstract: 3. Data_Access_Information: Data_Set_Status: Data_Center_Contact: Data_Center_URL: Data_Set_Citation: Data_Set_Link: (Multiple) URL: Label:

Metadata Editor Tool The Metadata Editor Investigator enters metadata in prompted fields or chooses from picklists. The Editor formats the metadata. Metadata Produces the metadata file.

To Create a Metadata File This is where you fill in metadata information As you fill information, and click outside the white box, the metadata you fill in shows up here If a field has a picklist, click here for standard choices

To Create a Metadata File These are main headings These are subheadings These are formatting guidesThis tells you there is a picklist available Picklists are here

To Create a Metadata File Click on ‘Temporal Resolution’ and up pops the glossary, open to ‘Temporal Resolution’

To Save a Metadata File Go to FILE, SAVE AS, and name your file.

When ready to share your data set, click the “yes” button. The next night Mercury will automatically harvest the metadata and add it to the index.

You can go to the Glossary anytime by clicking up here and choosing it. You can go to a FAQ and Tutorial area as well. Here is the FAQ screen. This, plus the Glossary, built-in Tutorial, and this presentation should aid in use of Editor.

Additional Information SAFARI 2000 Data and Information: – Data Search using Mercury: – Metadata Editor Tool: – –To request an ID for access Call DAAC User Services (+1) Or send an to Send comments on this tutorial, the Metadata Editor, or Mercury to