MIDA - The Marine Irish Digital Atlas
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  MIDA Tutorial Case 1:
Locating Blue Flag Beaches near Galway City.


In this tutorial, you will learn how to find the location of Blue Flag Beaches near the city of Galway.

Index Open the Atlas:

1. From the home page you can navigate through the site with the compass on the left. To access the interactive map click on "Go to Atlas."


Find and view the Blue Flag Beaches layer:

2. Click on "See latest list of layers" to see the list of layers currently available for viewing.


3. The list of layers is organized into four categories. To find Blue Flag Beaches, look under the "Socio-economic Activity" section. To view the layer in the interactive map, click on its icon.


Zoom to your area of interest:

4. A map showing all of the blue flag beaches on the island of Ireland is automatically displayed. However you are only interested in the beaches near Galway city. Click on the tab in the information box at the bottom of the screen to zoom in to your area of interest.




5. From this section, pull down the menu: "Select the region" and choose the county of interest: "Galway". The interactive map will automatically zoom to the selected region.

Viewing the legend:

6. To view the legend associated with the blue flag beaches click on the "+" sign beside the name of the layer. The legend will open directly below the layer name. The legend may be closed again by clicking on the "-" sign.


View the OSI base map:

7. From the layer list, click on the checkbox beside "OSI Base Map" in order to display the Ordnance Survey Ireland (OSI) Base Map as a backdrop. This will allow you to have a better idea of where the beaches are located.


Zooming and recentring the map:

8. To zoom in further so you can see beaches close to Galway City, click on the icon and then click in the map on the area to zoom. Alternately, you can drag a box around the area you wish to zoom to by clicking and dragging the mouse. To zoom out, click on the icon and then click in the map.


9. To recentre the map, click on the tool, and then click on a position in the map that you wish to become the centre of the map.


Identify a map feature:

10. With the tool selected, click on the blue point closest to the city in order to identify the name and other characteristics of the beach.


11. A table of information regarding the selected beach will open in a new window. The table includes a variety of information, including a list of historical Blue Flag awards for the selected beach and a link to more beach information on the Blue Flag International web site. The small map displayed highlights the beach selected in red.


Zoom to the full map extent:

12. To close the identify results window, click on the "x" situated in top right corner. In the interactive map window go back to the full map extent by clicking on the button.


Add another layer:

13. From the layer list area of the window click on the button. This will allow you to add additional layers. For this exercise you will add the average sea surface temperature for August to find out what you can expect the water temperature to be.



14. A window with the list of layers available for display will pop up. Click on the folder called "Physical Environment", and then click on the "Oceanography" folder. Inside this click on "Physical Water Properties". Finally, click on the checkbox next to "Aug 2003 Sea Surface Temperature" layer, and then click on the button in order to display this layer in the interactive map.


15. As in step 6, click on the "+" sign beside the name of the layer to view the legend associated with the sea surface temperature. The legend will open directly below the layer name. The legend may be closed again by clicking on the "-" sign.

Well done! You have successfully completed Case 1.

Comments? Email us at mida@ucc.ie.


 
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