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3D Hydrography Program FY24 Partnerships in Alaska

Detailed Description

This map of Alaska shows geographic extent of the first-ever nationally consistent hydrography data acquired from high-resolution 3D Elevation Program (3DEP) data. FY24 projects are the result of ongoing Federal coordination via the 3DHP Working Group and the Alaska Mapping Initiative.

 

Explanation

 

Available or in-progress data that meet 3DHP specification

Periwinkle Blue (striped) = Planned FY24 Partnerships (subject to change)

Periwinkle Blue = FY24 Partnerships

Medium Blue = Pending Contribution to 3DHP

Dark Blue = Available or In-Progress

 

3DHP Specifications

  • Hydrography acquired to meet Elevation-Derived Hydrography specifications and READ rules v1.0 or later. TM-11B11 and -11B12.
  • Publicly available

 

*Sources: Hydrologic Units as defined by the Watershed Boundary Dataset (WBD)​  

Sources/Usage

Public Domain.

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