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Hydrology, part 1 - Rainfall/Runoff Processes -2 PDH

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This introductory course will cover the basic concepts of the processes of rainfall and how that rainfall becomes surface runoff.
Hydrology, part 1 - Rainfall/Runoff Processes -2 PDHHydrology, part 1 - Rainfall/Runoff Processes -2 PDH
$7.95
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Hydrology, part 1 - Rainfall/Runoff Processes -2 PDH

hydrology_part_1_fe_na.pdf
Price: No additional charge

Manufacturer: Peterson

COURSE TITLE: HYDROLOGY, PART 1 - RAINFALL/RUNOFF PROCESSES

COURSE DESCRIPTION:

This introductory course will cover the basic concepts of the processes of rainfall and how that rainfall becomes surface runoff. Precipitation topics include forms of precipitation, types of storms and characteristics of these events. As the rainfall is converted to runoff, a number of process reduce the total amount of water that runs off. These abstractions are described in this course. The characteristics of runoff including peak flows, hydrographs, total volume and frequency will be covered. The course will describe the factors that impact runoff, including drainage area, slope, roughness, channel length and drainage density. Illustrations of the runoff process will be provided including the impacts of interception and infiltration. Finally, a description of travel time through a drainage will be provided. This course is based primarily on information from Federal Highway Administration publication HDS-2, Hydrology.

COURSE OUTLINE:

• PRECIPITATION

o Forms of Precipitation

 o Types of Precipitation (by Origin)  • Convective Storms

 • Orographic Storms

 • Cyclonic Storms

 • Hurricanes and Typhoons

 o Characteristics of Rainfall Events 

o Intensity-Duration-Frequency Curves 

• HYDROLOGIC ABSTRACTIONS 

o Evaporation

o Transpiration

 o Interception

 o Infiltration 

o Depression Storage 

o Detention Storage

 o Total Abstraction Methods

 • CHARACTERISTICS OF RUNOFF 

o Peak Discharge 

o Time Variation (Hydrograph)  

o Stage-Discharge

 o Total Volume

o Frequency o Return Period • EFFECTS OF BASIN CHARACTERISTICS ON RUNOFF

 o Drainage Area o Slope o Hydraulic Roughness o Storage  o Drainage Density  o Channel Length 

o Antecedent Moisture Conditions

 o Urbanization

o Other Factors

• ILLUSTRATION OF THE RUNOFF PROCESSES 

o Rainfall Input o Interception

o Depression Storage

o Infiltration

o Rainfall Excess

o Detention Storage

o Local Runoff

o Outflow Hydrograph 

• TRAVEL TIME 

o Time of Concentration

o Velocity Method

o Sheet-Flow Travel Time

o Shallow Concentrated Flow

o Pipe and Channel Flow

LEARNING OBJECTIVES:

At the conclusion of this course, the user will:

• Have a basic understanding of the forms of precipitation and the types of storms that generate these events

• Understand how abstractions such as evaporation, interception and infiltration impact runoff

• Understand the important characteristics of runoff, such as peak flows and total volume.

• Understand how factors such as drainage area, slope, roughness and drainage density impact both peak flows and total runoff volume.

• Understand the concept of time of concentration and how time of concentration can be calculated 

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