Chapter 17

Groundwater Measurement and Sampling

Outline:

• Hydrualic head concepts
• Depth to groundwater measurement in a well
• Aquifers
• how pressure transducers work
• Darcy's Law and groundwater flux
• Porosity, yield, and storage
• Governing equations and model parameters for predicting aquifer hydrualic head

Textbook reading:

• Chapter 8

Other reading:

• none.

Related web links:

• UC Davis Groundwater Web page- links to many groundwater resorces on the internet
• CA DWR Groundwater Level Data -excellent site containing historic data on water levels in our region.
• The Groundwater Foundation -a site dedicated to informing the public about groundwater.

Video Podcast: Groundwater Measurement, Part 1

This 14-minute presentation introduces the concept of hydraulic head in wells and explinas how to measure it.

• 640 x 480 (480p) format that balances speed and quality. (183 MB file)
• 1920 x 1280 (HD) format that provides larges size and best quality. (1.0 GB file)

Errata: slides should say, "Chapter 17" and "p. 17-#"

Video Podcast: Groundwater Measurement and Sampling, Part 2

This 16-minute presentation introduces concepts about aquifers and how water levels can be automatically recorded using dataloggers with pressure transducers. It also explains how a pressure transducer works.

• 640 x 480 (480p) format that balances speed and quality. (239 MB file)
• 1920 x 1280 (HD) format that provides larges size and best quality. (1.3 GB file)

Video Podcast: Groundwater Measurement and Sampling, Part 3

This 29-minute presentation covers concepts and field methods for groundwater flux at local and aquifer scales.

• 640 x 480 (480p) format that balances speed and quality. (396 MB file)
• 1920 x 1280 (HD) format that provides larges size and best quality. (2.2 GB file)

Last Chapter  :  Assignment 5