NHDPlus Puerto Rico & U.S. Virgin Islands Data (Vector Processing Unit 21)
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Each major drainage area of the United States contains a suite of NHDPlusV2 data. Within a drainage area, the NHDPlusV2 data components are packaged into compressed files either by Vector Processing Unit (VPU) or Raster Processing Unit (RPU). A drainage area is composed of one or more VPUs and a VPU is composed of one or more RPUs.
| Drainage Area ID | CI |
|---|---|
| VPU | 21 |
| RPUs | 21a, 21b, 21c |
The following links exit the site
NHDPlusV2 Distribution Filename Key
NHDPlusV2nn_<dd>_<VPUid>_componentname_<vv>
or
NHDPlusV2nn_<dd>_<VPUid>_<RPUid>_componentname_<vv>
where:
- V2nn is Version (2) and subversion (nn) of the NHDPlusV2 data model
- dd is the drainage area identifier
- VPUid is the VPU identifier
- RPUid is the RPU identifier
- Componentname is the name of the NHDPlusV2 component contained in the file
- vv is the data content version, 01, 02, ... for the component
Additional information about the NHDPlusV2 content and distribution format
can be found in the
NHDPlusV2 User Guide (pdf)