Riparian- Flood Plain Model

Landscape Analysis Model Inputs SWAT Modifications

REMM AdditionsCurrent Plans

Landscape Analysis

Dr. Martin VolkCenter for Environmental Research

Leipzig, Germany

Study Area

The Saale River Basin (Central Germany) is subdivided inthree sub-regions: The Pleistocene lowlands, the loesssub-region and the mountainous sub-region. The lengthof river is about 320 km. Precipitation varies from 500 mm in the loess areas to 1200 mm in the forested mountain regions.

Delineation of the Landscape Units

Subbasin 18

HRU’s28% Range-Sandy51% Pasture – Silt16% Forest – Sandy4% - Agriculture - Silt

HRU’s28% Range-Sandy51% Pasture – Silt16% Forest – Sandy4% - Agriculture - Silt

HRU’s28% Range-Sandy51% Pasture – Silt16% Forest – Sandy4% - Agriculture - Silt

Subbasin 18 HRU 1

Forest

Root Zone

Shallow (unconfined)

Aquifer

Vadose (unsaturated)

Zone

Confining Layer

Deep (confined) Aquifer

Precipitation

Evaporation and Transpiration

Infiltration/plant uptake/ Soil moisture redistribution

Surface Runoff

Lateral Flow

Return Flow

Revap from shallow aquifer

Percolation to shallow aquifer

Recharge to deep aquifer

Flow out of watershed

Hydrologic Balance

• Landscape Positions (New HRUs: Valley floors, Hillslopes, Ridgetops)• Riparian Zones

FloodPlain Riparian Zone Flood

Plain

ShallowAquifer

Hillslope HRU’s

Bank Storage

Soil

Over BankFlood Plain

Ridgetop HRU’s

SWAT 2003 Current Research

Current Consortium• Riesel, Texas

Peter Allen – BaylorDaren Harmel

• Tifton, GeorgiaRichard LowranceDave Bosch

• University Park, PennsylvaniaBil GburekTammie Veith

• El Reno, OklahomaMike Van Liew