Introduction to “Restored Coastal Habitats in Corpus Christi Bay” and CHRGIS Data Visualization

This site is complemented by the “Restored Shore and Habitat Educational Resource” The purpose of this tutorial is to introduce key elements of this resource and guide

users as they access data on the CHRGIS site.

Select by clicking

Restoration SitesData AvailableProposed(Check Back)

Select by clicking

1. Select (Click on) the red dot under the words University Beachon the aerial photograph in the center of the screen

Select by clicking

Select

2. Select “Interactive GIS Portal” from the menu on the left side of the screen.This will open CHRGIS (Corpus Christi GIS) allowing you to select and comparedata sets.

First select

Then click Go

3. Select “University Beach” from the pull down “ Restoration Site” menu at the top of the page then select

“Go” on the Explorer Browser NOT the website. Located at the right of the URL address window. Wait a minute for the menu selections at the left to upload.

Wait for menu selections to load here

4. The menu on the left shows data arranged according to date. Aerials are listedSeparately from other data(Note: multiple aerial images can not be viewed simultaneously).Each date will have the following selections (subject to availability):

• Shoreline (MHHW)• Elevation Survey• Elevation Contour• Sediment• Sediment Contour

Select desired databy clicking onbox next to data

Single or multiple selections from thesame or differentdates are allowed for all options EXCEPT Aerials

Click “Refresh Map”to revise screen display afteradding Dataselections

5. To activate data selection for query and Identification tools select the circlenext to the desired data. Only one menu selection can be active at a time.

To delete a selected data from the screen view select the box next to the data and then select “Refresh Map”

Select Box for Display

Select circle toactivate

Select “Refresh Map” afteradding or deletingdata selections

6. Example: You want to look at the first aerial photograph after construction (August 2001) and compare the shoreline position surveys from 2001 to 2005.

First: Select Box for Display of August, 26 2001Aerial

Select “Refresh Map” afteradding or deletingdata selections

First: Select Box for Display of August 2001Shoreline (MHHW)

Select “Refresh Map” afteradding or deletingdata selections

6. Example: Select August 2001 shoreline as baseline for comparison.

6. Example: Select each subsequent date up to April 2005. Shorelines can be added or deleted to focus on shorter or longer temporal change. You may add as many shorelines as you like.

First: Select Box for Display of April 2005Shoreline (MHHW)

Select “Refresh Map” afteradding or deletingdata selections