.|  Baltimore Ecosystem Study on Google Earth


BES Data as viewed on Google Earth software
You can use Google Earth to view BES spatial data.
 
Google Earth combines satellite imagery, maps and other information from Google to provide geographic information.
 
This makes it possible for the BES spatial lab to make up-to-date data available to the Baltimore community as well as the community at large quickly and easily.
 
BES spatial data are available for three datasets: 
  • Land Use
  • Topography
  • Urban Tree Canopy
The datasets can be viewed together or separately.
 
  • The land use layer demonstrates how we can show historical land use on a map and turn things on and off but additionally, one can see and turn on and off, all the layers that Google provides as well, such as roads and buildings.
  • The topography layer demonstates the contours of the watershed. It shows the BES LIDAR (Laser Imaging Detection and Ranging) data and the slope data derived from the USGS 30m data. It also demonstrates how Google Earth allows us to use raster images.
  • The Urban Tree Canopy layer contains no BES data, rather it is a special network link that references a file on a server at the BES Spatial Analysis Lab at the University of Vermont.
    This file allows you to turn on additional layers, such as the “Attribute Information” layer, which when you click on the dots, will display the block group attribute information. The hyperlink in the “UTC Metrics – Baltimore City” subfolder opens up a window containing an overview of the UTC assessment, complete with hyperlinks, that when accessed, will open up the hyperlinks in the integrated Google Earth browser.
Instructions...
  • Install Google Earth. It's available here: http://earth.google.com/.
  • Start Google Earth, and comlete any initial setup procedure...

  • Google Earth Software initial view

  • Now use one of the following hyperlinks to open a BES spatial dataset using Google Earth. The Google Earth software should zoom in and display the data. Come back to this screen and click another link and the corresponding spatial dataset should be displayed in Google Earth as well.
     
    NOTE: These files will not run unless you install Google Earth.
    Gwynns Falls Watershed Land Use change
    Gwynns Falls Watershed Topography
    Baltimore Area Urban Tree Canopy

     

  • Google Earth showing two BES spatial data layers.

  • Once the dataset is rendered in Google Earth, there will be checkboxes on the left of the display that allow you to turn the features on and off.

This material is based upon work supported by the National Science Foundation under Grant No. 1027188. Any opinions, findings, conclusions, or recommendations expressed in the material are those of the author(s) and do not necesarily reflect the views of the National Science Foundation.