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THE INFLUENCE OF RAINFALL DURATION ON SPLASH PRODUCED FROM A LOAMY SAND SOIL

  • Type:Project
  • Pages:46
  • Format:Microsoft Word
(Agric Engineering Project Topics & Materials)
ABSTRACT

At the event of soil erosion, rain splash erosion supplies materials for subsequent transportation and entrainment. The influence of rainfall duration on splash produced from a loamy sand soil in Camp area of Abeokuta, Ogun State was studied in the laboratory using a laboratory rainfall simulator. The study area is always subject to serious erosion. The objectives of the study are to analyze the characteristics of splash erosion on the soil due to different rainfall duration at different compaction levels. Soil samples were collected from the top 20cm depth of the soil profile, dried and sieved to pass through 2mm sieve. Rainfall intensity of 118.75mm/hr similar to tropical rainfall intensity was used to determine the splash produced by the soil for 5, 10, 15, 20 and 25 minutes with compaction levels of 5, 10, 15 and 20 proctor compaction blows respectively at 12% moisture content.

The results indicated that splash detachment increased with high duration of rainfall up to 15 minutes and further duration of rainfall produced insignificant difference in splash produced up to 25 minutes when the experiment was stopped.

The amount of soil particles that were detached was weighed and the implications of the results obtained are discussed. The amount of soil particles detached during rainfall event varies with the duration of rainfall. The result of the experiment shows that splash erosion is critical for the first 15 minutes of rainfall duration. Also, the compaction level of the soil is a factor that determines the amount of particles detached, the more compacted the soil the less the quantity of soil particles detached.

TABLE OF CONTENT
Title page
Certification
Dedication
Acknowledgement
Abstract
Table of content
List of plates
List of figures

CHAPTER ONE
INTRODUCTION
1.0   General Background
1.1   Problem Statement
1.2   Objective

CHAPTER TWO
LITERATURE REVIEW
2.0   Rainsplash detachment and transport
2.1   Effect of rainfall duration on soil erosion
2.2   Water Erosion
2.2.1 Sheet Erosion
2.2.2 Rill Erosion
2.2.3 Gully Erosion
2.2.4 Slumps and Slips
2.3    Erosion and Agriculture
2.4    Erosion and Forestry Operations
2.5    Erosion and Urban Environments
2.6    Erosion and Recreational Impacts
2.7    Economic Impacts

CHAPTER THREE
MATERIALS AND METHOD
3.0    Study area
3.1    Materials
3.2    Particle size analysis using the hydrometer method
3.2.1 Materials
3.2.2 Procedure
3.2.3 Calculations
3.2   Compaction
3.2.1 Apparatus
3.2.2 Procedure

CHAPTER FOUR
RESULTS AND DISCUSSION
4.0   General
4.1   Rainfall intensity in relation with height of simulator
4.2   Rainfall intensity in relation with soil particle detachment

CHAPTER FIVE
CONCLUSION AND RECOMMENDATION
5.0   Conclusion
5.1   Recommendation
       REFERENCES
       APPPENDICES

THE INFLUENCE OF RAINFALL DURATION ON SPLASH PRODUCED FROM A LOAMY SAND SOIL

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Details

Type Project
Department Agric Engineering
Project ID AGE0007
Price ₦3,000 ($9)
No of Pages 46 Pages
Format Microsoft Word

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    Details

    Type Project
    Department Agric Engineering
    Project ID AGE0007
    Price ₦3,000 ($9)
    No of Pages 46 Pages
    Format Microsoft Word

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