NHDPlus California Data (Vector Processing Unit 18)
NHDPlusV2 data is distributed by the major drainage areas of the United States. 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 | CA |
|---|---|
| VPU | 18 |
| RPUs | 18a, 18b, 18c |
The following links exit the site
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)