# Package: NaturalMarineFeatures

Parent: OceanEnvironment

## Relevant types:

Name | Type | Definition | Description
--- | --- | --- | ---
Lagoon_C | Feature Type | An enclosed area of salt or brackish water separated from the open sea by some more or less effective, but not complete, obstacle (for example: a sand bank). | The name most commonly used for the area of water enclosed by a barrier reef or atoll.
Lagoon_P | Feature Type | An enclosed area of salt or brackish water separated from the open sea by some more or less effective, but not complete, obstacle (for example: a sand bank). | The name most commonly used for the area of water enclosed by a barrier reef or atoll.
Lagoon_S | Feature Type | An enclosed area of salt or brackish water separated from the open sea by some more or less effective, but not complete, obstacle (for example: a sand bank). | The name most commonly used for the area of water enclosed by a barrier reef or atoll.
Reef_C | Feature Type | A mass of rock or coral which either reaches close to the sea surface or is exposed at low tide, posing a hazard to navigation. | -
Reef_P | Feature Type | A mass of rock or coral which either reaches close to the sea surface or is exposed at low tide, posing a hazard to navigation. | -
Reef_S | Feature Type | A mass of rock or coral which either reaches close to the sea surface or is exposed at low tide, posing a hazard to navigation. | -