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Using Estuary Data Mapper (EDM) to Download Data on Nitrogen Sources and Loads

The following tutorial videos assume you are familiar with Estuary Data Mapper (EDM) basics, nitrogen data products, and working with Geographic Information Systems (GIS) and visualization programs.

Using EDM to Download Data on Nitrogen Sources and Loads

The following video describes the problems caused by excessive nitrogen loading to estuaries and how estuary managers can use EDM's data products to help assess its impacts.

Atmospheric Nitrogen Loads

The following video describes how to use EDM to download information on atmospheric nitrogen loads.

Example: Watershed Sources

The following video illustrates how to use EDM to compare agricultural and urban sources of nitrogen for the Chesapeake Bay Main Stem and its watersheds. 

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