NOAA's Coral Reef Information System (CoRIS)

Project providing a single point of access to NOAA coral reef information

NOAA's Coral Reef Information System (CoRIS) is designed to be a single point of access to NOAA coral reef information and data products, especially those derived from NOAA's Coral Reef Conservation Program.

Includes a glossary, references, etc.
Metadata examples for different data types:

Maturity Estimate: 
Pre-Operational