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Sites Visit the Marine Debris Database

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Explore each of the 3 tours available.

The Data tab is where you'll find the data layers available for viewing.

  1. Click on a Theme to expose its Data Layers
  2. Click a Data Layer to display it on the map

Tour the Data tab

Switching to the Active tab allows you to further manipulate the data activated from the Data tab.

From the Active tab you can adjust the ordering of the layers on the map, as well as their transparency and visibility.

Tour the Active tab

Legend symbols are listed under the Legend tab.

Adjusting the layer ordering in the Active tab will cause a re-ordering in the Legend tab as well.

Use the + and - to zoom in and zoom out. Go ahead, Try it!

Alternatively, to zoom in to a particular area on the map:

  1. Hold down the shift key
  2. Then with the mouse button pressed, drag the mouse across the map (the zoom area will be shown on the map)
  3. Release the mouse button when the zoom area is complete

The map includes the following specialized features allowing you to:

  1. Change the underlying Basemap
  2. Show/Hide the Data Panel
  3. Use Bookmarks to create, store, and share your personalized map views
  4. Export your personalized map view as a URL or an Embedded Map
  5. View the map in Full Screen

The Data tab is where you'll find the data layers available for viewing.

  1. Click on a Theme to expose its Data Layers
  2. Click a Data Layer to display it on the map

Return to the Basic Tour

Clicking on the Themes will expand/contract the Data Layer lists

Clicking on the Layer names will display the data on the map

Clicking on the Info button for any layer will display the layer description at the bottom of the map.

This includes descriptive information, the source of the data, and links for download and further exploration.

Switching to the Active tab allows you to further manipulate the data activated from the Data tab.

From the Active tab you can adjust the ordering of the layers on the map, as well as their transparency and visibility.

Return to the Basic Tour

Clicking on the transparency button gives you control over the layer's transparency on the map.

The ordering of the layers on the map mirrors the ordering in the Active panel.

To manipulate the order of the layers simply drag the layer to the desired position in the list of layers.

  1. Click on a layer name
  2. While holding down the mouse button, drag the chosen layer to a different position in the layer ordering
  3. Release the mouse button, and the map layers have been re-ordered, both in the Active panel and on the map
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