Modeling the Dynamics of River-Groundwater Interaction: Experiences from own Case Studies

Prof. Dr. Manfred Koch Department of Geohydraulics and Engineering Hydrology

University of Kassel

kochm@uni-kassel.dehttp://www.uni-kassel.de/fb14/geohydraulik/Welcome.html

Overview

1. Basic concepts of surface-groundwater interactions (S-GW-I)

2. Computational tools for Design and Evaluation of Conjunctive Use Systems

3. Case studies of CWRM

4. Conclusions

1. Basic concepts of surface-groundwater interactions (S-GW-I)

The hydrological cycle and its surface Implementation of surface-groundwater interactionand groundwater components in HSPF/MODFLOW

1. Basic concepts of surface-groundwater interactions (S-GW-I)

1. Basic concepts of surface-groundwater interactions (S-GW-I)

1. Basic concepts of surface-groundwater interactions (S-GW-I)

Example from a Florida Case Study

1. Basic concepts of surface-groundwater interactions (S-GW-I)

Example from a Florida Case Study

1. Basic concepts of surface-groundwater interactions (S-GW-I)

1. Basic concepts of surface-groundwater interactions (S-GW-I)

1. Basic concepts of surface-groundwater interactions (S-GW-I)

1. Basic concepts of surface-groundwater interactions

Example of a Florida Case Study

2. Computational Tools for Design and Evaluation of Conjunctive Use Systems

General principle of coupling between surface- and groundwater model

2. Compuational Tools for Design and Evaluation of Conjunctive Use Systems

Evaluation of some common CWRM models (ISGW/CNTB model, Florida)

2. Computational Tools for Design and Evaluation of Conjunctive Use Systems

Evaluation of some common CWRM models (ISGW/CNTB model, Florida)

2. Computational Tools for Design and Evaluation of Conjunctive Use Systems

The Soil Water Assessment Tool (SWAT)-model

2. Computational Tools for Design and Evaluation of Conjunctive Use Systems

The Soil Water Assessment Tool (SWAT)-model: Calibration approach

2. Computational Tools for Design and Evaluation of Conjunctive Use Systems

Example of application of (SWAT)-model (Kassel research catchment)

2. Computational Tools for Design and Evaluation of Conjunctive Use Systems

Example of application of (SWAT)-model (Kassel research catchment)

2. Computational Tools for Design and Evaluation of Conjunctive Use Systems

Example of application of (SWAT)-model (Elbe catchment)

3. Case Studies of CWRM

Effects of Global Climatic Change on water resources in the Elbe basin

3. Case Studies of CWRM

Application of SWAT to compute the effects of long-term precipitation variations on discharge regimes in the Elbe basin

digital elevation model soil distribution land use

- FloridaSimulation of Groundwater Recharge in the Tampa Bay Area (Modflow/HSPF)

3. Case Studies of CWRM

GW inflow 0.9 in

Net recharge 4.4. in

Bay inflow 12.

ET