Images

Figure 1: Graphic showing the improved alignment possible in the 3D Hydrography Program by deriving hydrography data from high-quality 3DEP elevation data. 

• Our topic will be "Using Google Earth Engine to Generate Monthly-to-Weekly Maps of Surface Water." The presenter will be Chris Soulard with the USGS Western Geographic Science Center. 

Title page from the Federal Standards and Procedures for the National Watershed Boundary Dataset (WBD), Techniques and Methods 11-A3, Fifth Edition, 2022.This document establishes Federal standards and procedures for creating the WBD as seamless and hierarchical hydrologic unit data, based on topographic and hydrologic features at a 1:24,000 scale (Alaska at 1:

The USGS is pleased to announce the release of the National Hydrography Dataset Plus (NHDPlus HR) National Release 1 downloadable staged product.

The NHDPlus HR National presents a continuous representation of the most recent NHDPlus HR vector data for the contiguous United States, Puerto Rico, Hawaii, and parts of Alaska.

This is a graph and illustration representation of the 3DHP Proposed Nine Year Costs

Figure 2: Conceptual graphic illustrating how observations about the Nation’s waters – water-quality information, fish occurrence, flow, bed material, and so on – can be attached to points along the stream network (as shown by the blue pins), or along lengths of the stream network as shown by the magenta pins and line

Cedar Creek, tributary of the James River, Virginia flows through the Natural Bridge rock formation in Gilmore Mills, Rockbridge County Virginia. 

A rock jetty stretches out into the water at Bailey's Beach, Newport Rhode Island

Seagull flying over Rhode Island Sound at Sachuest Point National Wildlife, RI 

A photograph of Colvin Creek during a cool Fall reddish sunset in Reston, Virginia

View of Difficult Run Stream, Section 7 of 10 of the Cross-County Trail in Oakton, Fairfax County, Virginia,

An autumn/fall wet leaf in colors of red, yellows, and brown on a rainy Virginia day.

Example of elevation derived hydrogrpahy data 

Example of elevation derived hydrogrpahy data 

Example of elevation derived hydrogrpahy data 

Black and White image of a heavy stream flow in Little Santeetlah Creek, Joyce Kilmer Memorial Forest, North Carolina

Dark Hollow Falls - Shenandoah National Park, VA

NHD Twitter banner photo of lake surrounded by mountains

Twitter NHD Banner

Ozark Spring is a perennial spring in northern Phelps County, Missouri. It generates a rill that flows into Spring Creek which flows into the Gasconade River. It provides year-round water to livestock in the area.

A view of Corapeake Ditch in the Great Dismal Swamp, Virginia. Learn more about the Great Dismal Swamp at the U.S. Fish & Wildlife Service website.