What s New in Topographic Information - USGS National Map
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1 + What s New in Topographic Information - USGS National Map SARGIS Workshop November 14, 2016 Rob Dollison, rdollison@usgs.gov
2 + USGS 2 National Geospatial Program The National Geospatial Program provides a foundation of digital geospatial data representing the topography, natural landscape, and built environment of the United States. These data and derived products and services can be accessed through The National Map Data Download and Visualization Services.
3 + 3 Topics Major Program Efforts Topographic Information: USGS Products Launch Page and Data Download Client What s coming
4 + 4 Area of National Leadership Program Emphasis A-16 Lead for Terrestrial Elevation 3D Elevation Program (3DEP) A-16 Co-Lead for Inland Waters (Hydrography) National Hydrography Dataset (NHD) Watershed Boundaries Dataset (WBD) National Coverage of Topographic Maps U.S. Topo and Alaska Mapping
5 + 5 3D Elevation Program (3DEP) Applies ground-breaking lidar technology to acquire and distribute 3D data Includes surface elevations and natural and constructed features Increases the quality level of lidar being acquired to enable more accurate understanding, modeling, and prediction Addresses a broad range of critical applications of national significance
6 Light Detection and Ranging
7 + 7 3DEP Data Quality Improves and Enables Applications 10 meter resolution 1 meter resolution
8 + 9 3D Elevation Program (3DEP) Mission Critical Applications Aviation Safety Flood Risk Management Geologic Hazards Infrastructure Management Precision Forestry Alternative Energy Archaeology
9 + 10 National Hydrography and Watershed Boundaries Datasets (NHD and WBD) Surface water layers of The National Map The NHD represents the drainage network with features such as rivers, streams, canals, lakes, ponds, coastline, dams, and stream gages The WBD represents drainage basins at 8 scales of a nested hierarchy and defines the areal extent of surface water drainage to a point, accounting for all land and surface areas Together, a powerful database Contains a flow network that allows for modeling and tracing water downstream or upstream Uses an addressing system based on reach codes and linear referencing to link information such as water discharge rates, water quality, and fish population National Hydrography Dataset Watershed Boundaries Dataset
10 + 11 What is NHDPlus? NHD WBD Elevation An integrated suite of application-ready geospatial data sets developed to enable estimates of flow volume and velocity to support pollutant fate-andtransport (dilution) modeling Incorporates many of the best features of the National Hydrography Dataset (NHD) Watershed Boundary Dataset (WBD) 3DEP - National 1 Arc-Second Seamless DEM Includes - NHD names (GNIS) and networking Value-added attributes (VAA s) Stream and catchment attributes Elevation-derived catchments for each stream segment Flow direction and accumulation grids
11 Catchments + 12
12 + National Water Model (10 Day Forecast) 13
13 + 14 US Topo Digital USGS Topographic Maps Seamless Continuously maintained Nationally consistent Layered GeoPDF Orthoimage base from the National Agriculture Imagery Program (NAIP) Developed and maintained through partnerships 3-year production cycle Available online Producing over 11,000 new, higher-resolution (25K) digital maps for Alaska
14 + 15 New Topo Style Template
15 + Example: template & user customization 16
16 + 17 TopoView Exploring our Historical Topo Map Collection Over 178,000 USGS Topo Maps from Filter by Time and Scale Browse, Download and Share GeoPDF, GeoTIFF, JPEG and KMZ
17 + 18 Enabling others through... Products Maps and Themebased Pregenerated Staged Products Services Base Maps Theme Overlays Index/Availability APIs TNMAccess ScienceBase.gov Data.gov
18 + 19 National Map Viewer Launch Page
19 + 20 Five Base Maps HydroNHD Hillshade USGSTopo ImageryTopo ImageryOnly
20 + 21 Overlay Map Services Boundaries Contours Hydrography (NHD) Imagery - 1 foot Imagery - 1 meter Map Indices Names Land Cover (NLCD) Structures Transportation Interfaces: ESRI REST, WMS, WFS, WCS
21 + 22 New download applications Search, filtering and bulk download added
22 + 23 What s next?
23 + 24 Point Cloud Visualization Pilot Point Cloud Visualization from USGS Cloud LPC Visualization from USGS Cloud processed data
24 + 25 Dynamic Elevation Services Pilot Dynamic Elevation Services
25 + 27 Web GIS - The National Map Viewer
26 + 28 Cesium/TerriaJS - USGS
27 + 29 Summary 1. New high resolution elevation data from lidar being made available through the 3DEP program. 2. New high resolution hydrography data (NHD+ HR) products coming on line this fall. 3. Topo map style sheet and data packages available for full customization and use in your GIS. 4. Free open topographic data about our nation at viewer.nationalmap.gov.
28 + 30 Thank you Rob Dollison National Geospatial Program Data Delivery Services Lead
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