Geomatic & Information Technologies for Ports and Navigable Waterways. Expanding Our Global Opportunities
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1 Geomatic & Information Technologies for Ports and Navigable Waterways
2 Airborne Remote Sensing Susan Jackson Tetra Tech Geomatics BD Director Hydrographic Surveying Robert Feldpausch Tetra Tech Principal Scientist & Hydrographer
3 Geomatic & Information Technologies Mapping the Earth from Air, Land, Water & Desktop Remote Sensing Land Surveying Hydrographic & Geophysical Surveying Geographic Information Systems
4 Remote Sensing TECHNOLOGIES Airborne & Vessel Based LiDAR Photo Credit: University of Arkansas (Nactmann & Pohl) Photogrammetry Multi Beam Hydrographic Survey Multi & Hyperspectral Sensing Digital Orthophotography Thermal Infrared Geographic Information Systems PRODUCTS Digital Terrain Models Bathymetry Vegetation Classifications Canopy Elevations Color & CIR Orthoimagery Topographic & Planimetric Mapping 3D As-built Building Vectors Data & Imagery Fusion Classified Imagery
5 LiDAR Applications We use these data to map and model... Fault Detection Vegetation Hydrology Flood Potential Power Lines Water Quality Biofuels/Biomass Buildings & Structures Roads Habitat Shorelines & Riverbanks Wetlands Geothermal Hydroelectric Dams
6 Light Detecting & Ranging What is LiDAR? In its most basic form, LiDAR Data are just points Multiple Laser Returns are Apparent First Return Second Return Third Return Fourth Return Ground Points Penetration
7 LiDAR can be any of the following data types. Classified Points Surfaces (Rasters) Points Fused or Merged with other Data
8 Contours - Merging Aerial & Hydro Data
9 Data Fusion, 3D Modeling, Visualization
10 As-builts of Dams & Locks LEFT: Highest Hit LiDAR Data superimposed on intensity image RIGHT: Orthorectified Imagery with AutoCAD detail overlaid
11 LiDAR points fused with imagery
12 Subsurface Mapping-Multibeam Data 12
13 Multibeam Data Merged with Vessel Mounted LiDAR LIDAR point cloud blended with multibeam data showing outfall pipe and subsequent scour mark Mapped shoreline structures allow for visual reference of subsurface features 13
14 LiDAR and Imagery 14
15 15
16 Mapping Buildings & Structures
17 Mapping Buildings & Structures
18 Going From Points..to Surfaces..to Modeling Photo Credit: Matthew Boyd, Principal-WSI 18
19 Going From Points..to Surfaces..to Modeling..to Design 19
20 Environmental Monitoring and Water Quality Journal Author: Jim Ellis, Ph.D. Ellis GeoSpatial
21 Environmental Monitoring and Water Quality Multi-spectral (CIR) Imagery shows stress or vigor of vegetation Multi-spectral (Color Infrared Imagery) Dark Red shows healthy vegetation Light Red, Pink distressed, diseased vegetation White, Blue, Green, Tan represents soils Pale & Light Blue sediment laden water Levee breach showing
22 Intelligent Transportation - RIS Photo Credit: Sportvision The RACEf/x system uses high accuracy basemaps and GPS satellites to track cars within 20 millimeters of their actual position.
23 Contact Information Susan Jackson Office: , ext. 123 Cell: Bob Feldpausch Direct: Cell:
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