HR: 1340h
AN: H23D-1451    [Abstracts]
TI: Storm-event water and solute exports across catchment scales
AU: * Inamdar, S P
EM: inamdasp@buffalostate.edu
AF: SUNY-Buffalo State, 1300 Elmwood Avenue, Great Lakes Center, Buffalo, NY 14222 United States
AU: Rupp, J
EM: jmrupp888@yahoo.com
AF: SUNY-Buffalo State, 1300 Elmwood Avenue, Great Lakes Center, Buffalo, NY 14222 United States
AU: Mitchell, M J
EM: mitchell@syr.edu
AF: SUNY-ESF, 1 Forestry Drive, EFB, Syracuse, NY 13210 United States
AB: Storm-event exports of water and nitrogen (N) species were studied for four catchments (1.6-696 ha) in a glaciated, forested Western New York watershed. Topography and saturation potential for the catchments was characterized using the downslope index (DWI). End-member mixing analysis (EMMA) showed that catchment runoff was composed of shallow groundwater (SGW) discharged at seeps and throughfall (THF) on the rising limb and THF and riparian water (RW) on the recession limb. Riparian water (RW) contributions increased with increasing catchment size while THF amounts were a function of surface-saturated area percent. New-old water contributions from O18 hydrograph separations are currently being evaluated. Exports patterns of ammonium and dissolved organic N (DON) across the catchment scales will also be presented. Observations on how water and solute responses vary from headwater to large catchment scales are critical for developing scale-relevant paradigms.
UR: http://www.buffalostate.edu/orgs/glc/faculty/inamdar.htm
DE: 1829 Groundwater hydrology
DE: 1871 Surface water quality
DE: 1879 Watershed
DE: 1890 Wetlands (0497)
SC: Hydrology [H]
MN: Fall Meeting 2005