The videos linked below provide information on The National Map's hydrography products, services, applications, and tools: NHD, WBD, NHDPlus HR, Markup Application, StreamFlow Estimates in NHDPlus HR, and Hydrolink Tool.
In this lesson, we will describe the Watershed Boundary Dataset, show how the data are organized, and explain how the data are improved and maintained. Finally, we will show how the data can be accessed by download and as a map service.
This lesson will provide a brief overview of the National Hydrography Dataset, Watershed Boundary Dataset and 3D Elevation program. This lesson will also discuss NHDPlus and introduce NHDPlus high resolution and tell you how to get the data.
This lesson will provide a brief overview of the National Hydrography Dataset (NHD), describe what features make up NHD, show how NHD functions as a national hydrographic network, and provide information on accessing data and additional resources.
The Markup Application is a web-based mapping communication tool that allows users to suggest edits, or “markups”, to the National Hydrography Dataset, or NHD, Watershed Boundary Dataset, or WBD, and High Resolution National Hydrography Dataset Plus, or NHDPlus High Res.
This lesson will cover Stream Flow Estimates in NHDPlus High Resolution. Enhanced Runoff Method, or EROM is the method used to compute estimates of the mean annual flow for the NHDPlus flowline features in the NHDPlus HR network.
This video provides basic information about the HydroLink Tool to get you up and running with the basic tool capabilities.