Centennial Campus Middle School Area ~ 100 acres
Analysis of water and sediment flow for different stages of development

Helena Mitasova, Jaroslav Hofierka, NCSU

click on the images to see the maps of land use, soil detachment and erosion/deposition
CAUTION! NUMBERS ARE RELATIVE! LIMITED FIELD CALIBRATION OR VALIDATION WAS DONE!
DRAFT - CURRENTLY UNDER REVISION

Land use composition for different stages of development
Parameters used for 1993
Parameters used for 2001
Parameters used for 2003

Development stage	Land cover %forest/%paved legend	Discharge A/B/C legend[cft/s]	Sediment Flow A/B/C legend[kg/ms]	Net soil erosion/deposition: excess legend[kg/m2s]	Impact: change in water depth increase/decrease area
SP: predevelopment, 1993 data	51% / 1%	0.07 / xx / 0.0	xx	xx	-
SC: current	49% / 7%	0.05 / xx / 0.0	xx	xx
SCC: removed forest, unchanged topography, 2001 data	24% / 7%	0.04 / x / 0.41	xx	xx	-
SCCD: as SCC, checkdams added, need redesign based on water depth	24% / 7%	xxxxx	4	38	-
SCCBG: as SCC, additional grass buffers	24% / 7%	xx	xx	xx	-
SCCBF: as SCC, additional forest buffers	24% / 7%	xx	xx	38	-
SGCI: removed forest, changed topography 2001 data and golf course plans	24% / 7%	xxxxxx	xx	xx
SGCP: as SGCI, pipes added on golfcourse	24% / 7%	xxx	15	38	X
SG: finished golfcourse	24% / 7%	0 /x/ 0	4	38	-