GPS

Morphology and Tidal Inundation of Tidal Wetlands in the Delaware Estuary

Project Contact(s)

An expanse of tidal wetlands fringes the Delaware Estuary and provides Delaware, Pennsylvania, and New Jersey with abundant ecosystem services including habitat for indigenous and migrating plants and wildlife, biogeochemical cycling of nutrients, preserving water quality, flood hazard mitigation

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wetlands

salt-marsh

Digital Elevation Models

Atlantic Coastal Plain

Creation of Improved Accuracy LiDAR-Based Digital Elevation Models for the St. Jones River and Blackbird Creek Watersheds

Project Contact(s)

Thomas E. McKenna

In tidal wetlands, the high density of vegetation cover inhibits penetration of LiDAR pulses through the vegetation to the ground surface and low vegetation heights inhibit classification of ground point elevations. This project identities and corrects for biases found in the St. Jones and Blackbird Reserves using GPS RTK surveying and statistical analysis.

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Atlantic Coastal Plain

DGS staff represented at Delaware Wetlands Conference

Date

February 16, 2018

John Callahan, climate scientist with the Delaware Geological Survey, made several presentations at the Delaware Wetlands Conference, held Jan. 31-Feb. 1, in Wilmington, Delaware.