Tag Archives: Ariel Doumbouya

Linking Fish Sampling Sites to the NHD

by Ariel T. Doumbouya, NHD Team, United States Geological Survey

Fish Sampling Sites in Nashuma Subbasin, MassachusettesFish sampling sites in the Nashua River Subbasin in Massachusetts are linked to the National Hydrography Dataset (NHD) as events using the Hydrography Event Management (HEM) Tools.  Events allow scientific information to be linked to the NHD which provides a powerful modeling framework that can be used to locate water related information on the network, establish up and/or downstream relationships, perform habitat and species modeling, and determine relationships between  other environmental factors.

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