Transforming Drainage

Module 3: Subsurface Drainage Design Basics

A component of the course “Filling the Pipeline: Agricultural Drainage Education to Meet 21st Century Water Management Needs”   

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Instructor: Dr. Amy Kaleita, Iowa State University
Overview: This module provides an overview of subsurface drainage design elements including layouts, depth and spacing, and pipe diameters, and demonstrates how to calculate these variables for an example field.

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Learning Objectives:

After completing this module, students will be able to:

  1. Understand the alignment of pattern drainage with field topography
  2. Determine appropriate depth and spacing based on expert guidelines
  3. Calculate necessary pipe diameter to accomplish recommended drainage

Step by Step Guide to Complete the Module:

  1. Watch Video 1: Subsurface Drainage Design Basics
  2. Watch Video 2: Subsurface Drainage Design Example Problems
  3. Complete the Homework

 

 

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This material is based upon work that is supported by the National Institute of Food and Agriculture, U.S. Department of Agriculture (award number 2018-70003-27661). Any opinions, findings, conclusions, or recommendations expressed in this publication are those of the author(s) and do not necessarily reflect the view of the U.S. Department of Agriculture.

Project Funding

This material is based upon work that is supported by the National Institute of Food and Agriculture, U.S. Department of Agriculture, under award number 2015-68007-23193, “Managing Water for Increased Resiliency of Drained Agricultural Landscapes.” Any opinions, findings, conclusions, or recommendations expressed in this publication are those of the author(s) and do not necessarily reflect the view of the U.S. Department of Agriculture.

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