Jornada Basin Metadata System

The Jornada Basin LTER Metadata Management System Summary

The Jornada Basin LTER site (JRN) manages their data and metadata in ASCII text files and relational databases. Rich metadata is viewed in a friendly text format on the JRN online data catalog (http://jornada-www.nmsu.edu/datacat.php), which is generated from JRN's metadata database using web pages to administer the metadata database and JRN website content. The web pages also allow semi-automated creation of EML instance documents and the LNO Metacat harvester script. A number of applications make use of the metadata stored in the metadata database describing JRN research projects, data and metadata. Metadata is also offered in EML standard within the LTER Network and JRN data catalogs.

LTER sites with similar management systems

  • some similarities : AND, KNZ
  • potential synergies : MCM, HBR

The Jornada Detailed

The Jornada Information Management System (JIMS) stores data and metadata in a relational database management system (SQL Server 2005). A text editor and Excel spreadsheets are used to enter and collect metadata from JRN researchers, which are copied into the database tables with aid of PHP web pages. Data is also processed with the aid of PHP and SAS scripts to generate JRN ClimDB data harvest files. The Geographic Information System (GIS) is comprised of a separate relational database management system (ArcSDE 9.2 on SQL Server 2005) and metadata repository (entered using ArcGIS Desktop and metadata template). Jornada has applications and services to support discovery, access, and management of information stored in the JIMS. The current metadata repository consists of available Ecological Metadata Language (EML) and text documents stored and available on the JRN website. Error-checked data files are stored with associated documentation files on the file server and the publicly available data files on the Jornada website.

The Jornada geodatabase is the repository for GIS vector data layers that have a sub-meter accuracy GPS source. Jornada researchers have direct access to the geodatabase using ESRI ArcGIS or ArcView software. GIS data and metadata can also be accessed by the public via the Map Server.

EML Status:

  • Completion: About half of the metadata is available in EML.
  • Richness : EML content richness ranges from discovery to attribute level (levels 3 to 5)
  • QA/QC : There are mechanisms to ensure the quality of the metadata and data.