Chapter 16

Physically-based lumped hydrological models

Outline:

• Introduction to computer modeling of watersheds
  • Approaches to representing real systems
  • Deterministic vs. stochastic models
  • Key issues in model design
• Hydrological modeling components
  • Rainfall distributions
  • Ways to compute "loss" terms
  • Runoff hydrograph computation
  • Baseflow contribution
  • Streaflow routing
• HEC-1 package for lumped modeling of subbasins
  • Model overview
  • Input file logistics
  • Model output
  • Example applications
• Other hydrologic models

Course Reader:

• Chapter 5 (Hydrologic Simulation Models) of Bedient, P. B. and Huber, W. C. 1992. Hydrology and Floodplain Analysis.Addison-Wesley Publishing Company.

Other reading:

• Skim through the relevant topics in the HEC-1 users manual (hec1.pdf).

Related web links:

• HEC-1 links
  • HEC-1 Software Download
  • Assessment of flood reduction by small dams
  • Chehalis River Basin Flood Reduction Project
• Links to other models
  • Surface water modeling links page
  • Listing of several hydrological models
  • HSPF model
  • SLURP model

Video Podcast: Lumped Hydrological Modeling, part 1

This 27.5-minute presentation introduces basic ideas about land use planning as well as the types of models available to facilitate that.

• 640 x 480 (480p) format that balances speed and quality. (389 MB file)
• 1920 x 1280 (HD) format that provides larges size and best quality. (2.1 GB file)

Video Podcast: Lumped Hydrological Modeling, part 2

This 39-minute presentation covers the details of what constitutes a lumped hydrological model.

• 640 x 480 (480p) format that balances speed and quality. (496 MB file)
• 1920 x 1280 (HD) format that provides larges size and best quality. (2.7 GB file)

Chapter 15 :: Chapter 17