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Description of HydroShare Resource Types and Metadata Terms

HydroShare Resource Types

A "resource" is the discrete unit of digital content within HydroShare. Resources are social objects that can be created, modified, versioned, shared, annotated, discovered, and accessed. A resource is the granular unit used for management and access control within HydroShare. Persistent identifiers, access control, versioning, sharing, and discovery are all managed at the resource level. Each resource type has a set of metadata elements that are standard across all resource types and may have resource type specific metadata elements that are defined in the sections below. The following terms define the types of resources that can be created in HydroShare:


Metadata terms for the Generic Resource Type

To describe the entities of a Generic resource in HydroShare, we chose the standard Dublin Core metadata elements as the resource science metadata. Each of these elements are defined below. All resource types in HydroShare use the standard Dublin Core metadata elements, but some resource types use additional, resource type-specific metadata terms as defined in the following sections.

Metadata terms for the Time Series Resource Type

The time series resource type is based on version 2.0 of the Observations data model. You can learn more about ODM2 at htt://www.odm2.org. Some of the metadata terms for the time series resource type are based on controlled vocabularies for ODM2 that are managed at http://vocabulary.odm2.org.





Metadata terms for the Reference Time Series Resource Type

Metadata terms for the Multidimensional (NetCDF) Resource Type



Metadata terms for the Geographic Raster Resource Type




Metadata terms for the Model Program Resource Type












Metadata terms for the Model Instance Resource Type



Metadata terms for the SWAT Model Instance Resource Type






Metadata terms for the MODFLOW Model Instance Resource Type












Metadata terms for the Web App Resource Type

Metadata terms for the Script Resource Type

Metadata terms for the Composite Resource Type

A Composite resource is a resource that can include multiple files without file format limitations. However, it is also capable of containing typed aggregations of files (e.g., a geographic feature aggregation stored as an ESRI shapefile). The Composite resource is designed to support metadata and data functions at both the aggregation level and resource level to better support data management in HydroShare. Each aggregation contained within a Composite resource may be annotated with general metadata that apply specifically to the aggregation. Aggregations may also have metadata specific to the aggregation type and additional data functions established for that type (e.g., metadata extraction from TIFF or NetCDF file). The resource level metadata for a Composite resource is the same as metadata of the generic resource type.

The following terms define the types of aggregations that can be added to a Composite Resource:

Metadata terms specific to the aggregation type are the same as those used to describe the corresponding resource type listed above.