http://gallery.usgs.gov/ en-us A list of the latest videos and vodcasts added to the U.S. Geological Survey's Multimedia Gallery (http://gallery.usgs.gov). http://gallery.usgs.gov/images/USGS.gif http://gallery.usgs.gov/ Presents the findings of a study on the positional accuracy of the NHD.

]]> keelite - at - usgs.gov (Kristiana Elite) http://gallery.usgs.gov/videos/554 http://gallery.usgs.gov/videos/554 Wed, 25 Jul 2012 00:00:00 EDT NHD NationalHydrographyDataset NationalHydroDataset hydrography WaterResources USGS water Presents the findings of a study on the positional accuracy of the NHD.

]]> keelite - at - usgs.gov (Kristiana Elite) http://gallery.usgs.gov/videos/555 http://gallery.usgs.gov/videos/555 Wed, 25 Jul 2012 00:00:00 EDT NHD NationalHydrographyDataset NationalHydroDataset hydrography WaterResources USGS water Explanation of Hydrologic Unit Codes (HUCs) within the Watershed Boundary Dataset (WBD). The National Hydrography Dataset (NHD) is organized based on these units and subsequently viewing and downloading NHD data from The National Map Viewer is organized by these Hydrologic Units.

]]> keelite - at - usgs.gov (Kristiana Elite) http://gallery.usgs.gov/videos/514 http://gallery.usgs.gov/videos/514 Tue, 24 Jan 2012 00:00:00 EDT NHD NationalHydrographyDataset NationalHydroDataset hydrography WaterResources USGS water Learn how to download a dynamic extract of National Hydrography Dataset GIS Data (NHD) from The National Map.

]]> keelite - at - usgs.gov (Kristiana Elite) http://gallery.usgs.gov/videos/515 http://gallery.usgs.gov/videos/515 Tue, 24 Jan 2012 00:00:00 EDT NHD NationalHydrographyDataset NationalHydroDataset hydrography WaterResources USGS water Learn how to download a prestaged subregion of National Hydrography Dataset GIS Data (NHD) from The National Map.

]]> keelite - at - usgs.gov (Kristiana Elite) http://gallery.usgs.gov/videos/516 http://gallery.usgs.gov/videos/516 Tue, 24 Jan 2012 00:00:00 EDT NHD NationalHydrographyDataset NationalHydroDataset hydrography WaterResources USGS water Understanding drainage systems also known as Hydrologic Units or HUCs in the National Hydrography Dataset.

]]> keelite - at - usgs.gov (Kristiana Elite) http://gallery.usgs.gov/videos/448 http://gallery.usgs.gov/videos/448 Mon, 31 Oct 2011 00:00:00 EDT NHD NationalHydrographyDataset National Hydro Dataset hydrography water resources USGS water Describes how linear referencing is used within the National Hydrography Dataset (NHD) to associate information with the dataset by attaching it to the network.

]]> keelite - at - usgs.gov (Kristiana Elite) http://gallery.usgs.gov/videos/450 http://gallery.usgs.gov/videos/450 Mon, 31 Oct 2011 00:00:00 EDT NHD NationalHydrographyDataset National Hydro Dataset hydrography water resources USGS water linear reference linear referencing Describes the NHD Network; how it is built, attributed, and used for analysis and modeling.

]]> keelite - at - usgs.gov (Kristiana Elite) http://gallery.usgs.gov/videos/451 http://gallery.usgs.gov/videos/451 Mon, 31 Oct 2011 00:00:00 EDT NHD NationalHydrographyDataset National Hydro Dataset hydrography water resources USGS water Describes the way the National Hydrography Dataset (NHD) maintains the millions of features within the dataset. Talks about the roles of Points of Contacts (POCs) and of NHD Stewards, be them state, federal or local agencies.

]]> keelite - at - usgs.gov (Kristiana Elite) http://gallery.usgs.gov/videos/452 http://gallery.usgs.gov/videos/452 Mon, 31 Oct 2011 00:00:00 EDT NHD NationalHydrographyDataset National Hydro Dataset hydrography water resources USGS water stewardship Describes the Hydrography Event Management Tools (HEM); what types of data the tool creates and how one can use them to attach information to the National Hydrography Dataset (NHD).

]]> keelite - at - usgs.gov (Kristiana Elite) http://gallery.usgs.gov/videos/453 http://gallery.usgs.gov/videos/453 Mon, 31 Oct 2011 00:00:00 EDT NHD NationalHydrographyDataset National Hydro Dataset hydrography water resources USGS water HEM Hydro Event Manage Hydro Event Management Hydrography Event Management Description of how to find events on the National Hydrography Dataset (NHD) network for analysis and modeling purposes.

]]> keelite - at - usgs.gov (Kristiana Elite) http://gallery.usgs.gov/videos/454 http://gallery.usgs.gov/videos/454 Mon, 31 Oct 2011 00:00:00 EDT NHD NationalHydrographyDataset National Hydro Dataset hydrography water resources USGS water Provides an overview of the National Hydrography Dataset and of the National Map. Addresses topics such as the various applications of the NHD, watershed delineation, hydrologic units, ReachCodes, and the different features that make up the NHD.

]]> keelite - at - usgs.gov (Kristiana Elite) http://gallery.usgs.gov/videos/455 http://gallery.usgs.gov/videos/455 Mon, 31 Oct 2011 00:00:00 EDT NHD NationalHydrographyDataset National Hydro Dataset hydrography water resources USGS water Provides an overview of the National Hydrography Dataset and of the National Map. Addresses topics such as the various applications of the NHD, watershed delineation, hydrologic units, ReachCodes, and the different features that make up the NHD.

]]> keelite - at - usgs.gov (Kristiana Elite) http://gallery.usgs.gov/videos/456 http://gallery.usgs.gov/videos/456 Mon, 31 Oct 2011 00:00:00 EDT NHD NationalHydrographyDataset National Hydro Dataset hydrography water resources USGS water Explains how to download National Hydrography Data from The National Map Viewer and how to understand the data once downloaded. Also explains the Hydrologic Unit system (HUCs) and how they are composed.

]]> keelite - at - usgs.gov (Kristiana Elite) http://gallery.usgs.gov/videos/457 http://gallery.usgs.gov/videos/457 Mon, 31 Oct 2011 00:00:00 EDT NHD NationalHydrographyDataset National Hydro Dataset hydrography water resources USGS water Displays and describes in detail the various features that make up the National Hydrography Dataset.

]]> keelite - at - usgs.gov (Kristiana Elite) http://gallery.usgs.gov/videos/458 http://gallery.usgs.gov/videos/458 Mon, 31 Oct 2011 00:00:00 EDT NHD NationalHydrographyDataset National Hydro Dataset hydrography water resources USGS water