Download presentation
Presentation is loading. Please wait.
Published byBertram Austin Modified over 9 years ago
1
Remote Sensing and Internet Data Sources Unit 3: Module 12, Lecture 3 – Remote Autonomous Vehicles/On-line data resources
2
Developed by: Host Updated: 1.05.05 U3-m12-s2 Subsurface vehicles and sensors In large water bodies, towed or autonomous vehicles can be used to record data over large areas Towed systems Remotely operated vehicles Autonomous vehicles These use a combination of remote sensors (Sonar, hydroacoustics) and probes (on-board sensors)
3
Developed by: Host Updated: 1.05.05 U3-m12-s3 Provided by Jack Kelly, Mid-Continent Ecology Division, U.S. EPA, Duluth MN EPA-MED Duluth: Tow-Yo
4
Developed by: Host Updated: 1.05.05 U3-m12-s4 EPA Lake Guardian with sonar and towed sensor Provided by Jack Kelly Mid-Continent Ecology Division U.S. EPA, Duluth MN
5
Developed by: Host Updated: 1.05.05 U3-m12-s5 Result is semi-synoptic, spatially-referenced data to characterize: Water properties (including biology) Bathymetry and sediment character Typically sample at 4-5 knots, to ~100 km per day Provided by Jack Kelly Mid-Continent Ecology Division U.S. EPA, Duluth MN
6
Developed by: Host Updated: 1.05.05 U3-m12-s6 Provided by Jack Kelly, Mid-Continent Ecology Division, U.S. EPA, Duluth MN Tow-yo shoreline sampling: Tributary receiving waters
7
Developed by: Host Updated: 1.05.05 U3-m12-s7 Provided by Jack Kelly, Mid-Continent Ecology Division U.S. EPA, Duluth MN
8
Developed by: Host Updated: 1.05.05 U3-m12-s8 Remotely Operated Vehicles (ROV) Jason II/ Medea Woods Hole ROV 2 body system Medea – intermediate vehicle to decouple Jason from surface motion 6500 m capabilities Mosaic of images shot from Jason showing the variety of sampling devices Jonathan Howland WHOI
9
Developed by: Host Updated: 1.05.05 U3-m12-s9 Autonomous Underwater Vehicles Powered free ranging sensors Capable of deep water sampling, long distances, inclement conditions
10
Developed by: Host Updated: 1.05.05 U3-m12-s10 REMUS – Remote Environmental Monitoring Units Wood’s Hole OI 52 inches long 80 lbs Configured to support a variety of sensors Salt or fresh water
11
Developed by: Host Updated: 1.05.05 U3-m12-s11 REMUS – Remote Environmental Monitoring Units Sensors Acoustic Doppler Current Profiler Sidescan Sonar Fluorometer Bioluminescence sensor Plankton pump Video camera Windows XP interface
12
Developed by: Host Updated: 1.05.05 U3-m12-s12 Larger units - Univ. South Florida AUV
13
Developed by: Host Updated: 1.05.05 U3-m12-s13 Integrated Ocean Observing System
14
Developed by: Host Updated: 1.05.05 U3-m12-s14 Internet Sources of Spatial data http://nmviewogc.cr.usgs.gov/viewer.htm
15
Developed by: Host Updated: 1.05.05 U3-m12-s15 Land Use/Land Cover Many different land use data sets LUDA AVHRR GAP Landsat Two important attributes Spatial Resolution Classification Resolution
16
Developed by: Host Updated: 1.05.05 U3-m12-s16 AVHRR Land Cover AVHRR (Advanced Very High Resolution Radiometer) 1 km pixel resolution Nationwide coverage 2 images/day Good for a “coarse picture” of the regional landscape
17
Developed by: Host Updated: 1.05.05 U3-m12-s17 USGS LULC (Land Use/Land Cover) Based on aerial photographs 1970s and 1980s 21 cover type categories 40 ac minimum map unit Based on 1:100,000 and 1:250,000 USGS quadrangles Free
18
Developed by: Host Updated: 1.05.05 U3-m12-s18 Land Use/Land Cover: Level II codes code = "11" Residential code = "12" Commercial and services code = "13" Industrial code = "14" Transportation, communications, and utilities code = "15" Industrial and commercial complexes code = "16" Mixed urban or built-up land code = "17" Other built-up land code = "21" Cropland and pasture code = "22" Orchards, groves, vineyards, nurseries and ornamental horticultural areas code = "23" Confined feeding operations code = "24" Other agricultural land code = "41" Deciduous forest land code = "42" Evergreen forest land code = "43" Mixed forest land
19
Developed by: Host Updated: 1.05.05 U3-m12-s19 National Land Cover Dataset (NCLD) Nationwide coverage Derived from early- mid 1990s Landsat Thematic Mapper imagery 30 m resolution 21 classes (modified Anderson Level II) 2001 NLCD data now available http://landcover.usgs.gov/images/glensfalls_web.jpg
20
Developed by: Host Updated: 1.05.05 U3-m12-s20 Transportation and Infrastructure Major roads County roads Township roads City streets Railroads Pipelines Airports Source: TIGER data
21
Developed by: Host Updated: 1.05.05 U3-m12-s21 Hydrography: water resources Lakes Wetlands By wetland type Emergent Forested Scrub/shrub, etc Streams Rivers FEMA Floodplain Well locations Watershed boundaries Internet Map Server session for a wetland inventory of the Poplar River watershed, north shore of Lake Superior
22
Developed by: Host Updated: 1.05.05 U3-m12-s22 Census data Maintained by US Census Bureau Data available in Blocks Tracts Other divisions Summarized by Population Demographics Congressional districts, others Census tracts, St. Louis Co, MN
23
Developed by: Host Updated: 1.05.05 U3-m12-s23 Digital Elevation Models (DEMs) Pixel-based data describing elevations Typically 30 m resolution Used for Slope calculations Generating contours Watershed delineations Hydrologic modeling Flow direction Flow distance Viewshed analyses Hillshades
24
Developed by: Host Updated: 1.05.05 U3-m12-s24 Easy GIS – accessing on-line data Be sure to visit DuluthStreams And LakeAccess!
25
Developed by: Host Updated: 1.05.05 U3-m12-s25 Metadata: data about data Important to understand where your data came from – metadata Identification_Information Citation Citation_Information Originator: NOAA Coastal Services Center Publication_Date: 19971131 Title: Hurricane Storm Surge Geospatial_Data_Presentation_Form: Map Publication_Information Publication_Place: Charleston, SC Publisher: NOAA Coastal Services Center Larger_Work_Citation Citation_Information
Similar presentations
© 2025 SlidePlayer.com. Inc.
All rights reserved.