Nutrient Center watersheds• Began with WE38

and Mahantango Creek watersheds• First runs have

been done in Manokin also

• Mahantango, 419km2 drains to Susquehanna

• WE38, 7.2km2 headwater watershed of Mahantango

• Agriculture lands in valley bottoms and lower slopes

Mahantango Creek and WE38

WE38 weir

WE38 weather

SWAT BootCampMarch 24, 2014

Not this SWAT?

This SWAT!

Everything is Awesome with SWAT

Climate

SedimentDissolved reactive phosphorusOrthophosphateTotal phosphorusTotal nitrogenOrganic nitrogen

Crop managementCrop yieldTillageFertilizerPesticide

Precipitation (mm)Maximum temperature (0C)Minimum temperature (0C)Solar radiation (MJ/m2)Relative humidity (%)Wind speed (m s-1)

Land Use

Water QualityRunoff at outletUpstream runoffSubsurface flow Annual water balance

Hydrology

SSURGO, STATSGO, field surveys

SoilsDEMs from LiDAR, USGS DEMs, field surveys

Elevation

Land Use Slope classesSoils

Hydrologic Response Unit (HRU) generation

Modeling with SWAT: A brief tutorial for members of Pennsylvania State University`s Center for Sustainable Nutrient Solutions

HRU – VSA

Field 1Field 2

Field 3

Field 4

Field 5

WE38 - detailed

https://i.ytimg.com/vi/wx0SJM7FeEc/mqdefault.jpg

http://www.extension.org/sites/default/files/w/4/4a/Spreading_manure.jpg

Landuse Step-up into Mahantango

Using generalized cropping patterns from WE38 to enhance cropland database for Mahantango Creek

Outputs that helped us to give Team ?? what they need.

Sediment (t/ha)

Surface flow (mm)

TP (kg/ha)

Next steps – Spring CreekSpring Creek

Likely to focus on Slab Cabin Run and/or Cedar Run

Next steps – Conewago CreekConewago Creek

Riparian Conservation IndexPRODUCTIONOBJECTIVES

Practice tables - pages 2-4

HABITAT/ECOLOGYRiparian (wildlife, birds, pollinators/beneficials), Aquatic

HYDRAULIC FUNCTION

BANK STABILIZATION

SEDIMENTATION

NUTRIENT MITIGATIONNitrogen, Phosphorus

ENERGY/ORGANIC/OTHERCarbon sequestration, Biofuel

LAND USE PRIORITYRow Crop, Pasture/Forage,Forest, Organic Production

PEST CONTROLWeeds, Vertebrate, InsectPathogen

WATER SOURCEGrazing, Irrigation

SHADERemovalPresence

ACCESS/TRAVELLivestock, Vehicles, Staging

DRAINAGE

NUTRIENT MANAGEMENT

CONSERVATIONOBJECTIVES

Practice tables – pages 5-8

UpslopeCondition

Nutrients/Sediment

Runoff

Stream, Wetland, Riparian Health