Dissolved Organic Matter Dynamics in Watersheds.

Funding: National Science Foundation, 2008-2011.

PIs: Drs. Shreeram Inamdar, Harsh, Bais, Delphis Levia, Myron Mitchell, and Durelle Scott.

Objectives:

• Identify sources and hydrologic flow paths of solutes including cations, anions, DON and DOC

• Investigate how the responses change with catchment scale

• Investigate relative controls of vegetation canopy, soils, and wetlands on solute exports.

Maps of the experimental subwatersheds:

• 3D image of subwatersheds from Google Earth

• Experimental subwatersheds and their areas (in km2)

• Aerial view with landcover (forests & pasture)

• Slope gradient

• Aspect

• Hillshade

• Topographic index indicating wetness potential

Data:

• Weather data for station in Fair Hill (DEOS Network)

• USGS Gage on Big Elk Creek at Rt. 277 (4 miles downstream from our location)

• EPA Surf your watershed profile for our watershed

• Maryland GIS

• Geospatial Data Center