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Science Serving Maryland's Coasts


Hyperspectral Reflectance of Freshwater Tidal Emergent Macrophytes as a Remote Sensing Tool for Assessing Wetland Nitrogen Status

Principal Investigator: 

David R. Tilley

Start/End Year: 

2004 to 2006


University of Maryland, College Park

Co-Principal investigator: 

Andrew Baldwin, University of Maryland, College Park


(1) Adapt leaf-scale models for relating plant reflectance indices to wetland ammonia concentrations, identified in our previous and on-going research, to field-scale canopy reflectance measurements of freshwater tidal marsh plant communities; (2) Design, build and test a boat-borne platform for rapidly collecting canopy hyperspectral reflectance of marshes, which can be used in the canopy-scale reflectance/ammonia models to quantify marsh nitrogen status, & (3) Demonstrate our technology to state agencies to consider it as a wetland monitoring tool.

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