Overview
This course will examine the hydrologic cycle in order to determine run-off from various land covers encountered in highway design. All facets of the hydrologic cycle will be studied including meteorology, geo-hydrology, sheet flow, channel design, and hydrographs. Several different methods will be presented to determine time of concentration and peak discharge such as regression equations, the SCS graphical method, and the rational method among others.
Highway designers are concerned with the way that water moves on the earth’s surface and crosses transportation arterials. Highway designers are also concerned with providing drainage for curb and gutters, medians, detention basins and interchanges. This course is part I of a two part series. Part I will cover the hydrologic cycle, runoff processes, standard frequency distributions, and design hydrographs.
The course materials are based solely on the materials “Highway Hydrology” as published on the website of the Federal Highway Administration.
To receive PDH credit, the student must take a multiple choice quiz of seventy-five (75) questions.
Specific Knowledge or Skill Obtained
This course teaches the following specific knowledge and skills:
- The hydrologic cycle
- Rainfall/runoff processes
- Collection of hydrologic data
- Frequency Analysis Concepts
- Standard frequency Distributions
- The effects of in-channel detention
- Types of rainfall events
- How urbanization affects peak discharge
- How to use the rational method to determine runoff
- How to use the SCS method to determine runoff
Course
Click on the following link to the PDF document to review the course material before taking the quiz for credit.
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