GROUNDWATER AND SURFACE - WATER INTERACTIONS

Yilmaz K. K.

• Dersin Düzeyi: Yüksek Lisans
• Tasarlanan Ders Kodu: GEOE 565
• Öğretim Türü: Örgün Öğretim (Normal Öğretim)
• Dersin Kapsamı: Teorik
• Akademik Yıl: 2012 - 2013
• Ders İçeriği:

  Groundwater and surface-water basic principles. Geologic, landscape and climate controls on groundwater surface-water interaction. Physical mechanisms of interactions between groundwater and surface water. Vadoze zone hydrological processes. Infiltration. Hyporheic zone. Groundwater recharge-discharge. Modeling (analytical and numerical) groundwater surface-water interaction. Measurement and monitoring at the interface. Environmental significance of the groundwater surface-water interaction.

  Topics covered on a weekly basis:

  1. Introduction to the course objectives and scope. Basics of groundwater flow and surface-water flow processes. Baseflow separation (manual and automated).  (1 week)

  2. Geologic, landscape and climate controls on groundwater surface-water interaction. Equipotential lines and flow lines, local, regional flow systems. (1 week)

  3. Soil water content, soil water retention and potential (Hydrostatics). Soil water retention characteristic curves and hysteresis. Estimation of characteristics curves, Pedotransfer functions. (1 week)

  4. Darcy’s Law in unsaturated zone;Unsaturated steady state flow; unsaturated hydraulic conductivity models and applications. (1 week)

  5. Unsaturated transient flow and Richard’s equation; approximate solutions to infiltration (Green Ampt and Philip equations). (1 week)

  6. Energy balance and Land Atmosphere interactions. Radiation and energy balance; evapotranspiration definitions and estimation, surface evaporation, soil root zone processes, riparian processes. (1 week)

  7. Measurement and monitoring at the groundwater surface-water interface. Well arrays, seepage meters, double-ring infiltrometer, tracers (solute and temperature).(1 week)

  8. Analytical and Numerical modeling of flow processes in 1D & 2D variably saturated porous media and applications. (2 weeks)

  9. Stream-aquifer interaction processes and modeling (1 week)

  10. Lake/Wetland-aquifer interaction processes and modeling (1 week)

  11. Integrating groundwater and surface-water models at the watershed scale. Issues of temporal and spatial scales and heterogeneity. (1 week)

  12. Environmental significance of the groundwater surface-water interaction. (2 weeks)