RECLAMATION MEASURES FOR GULLY EROSION SITES (A CASE STUDY OF OBOLLO-ETITI, UDENU LOCAL GOVERNMENT)

ABSTRACT

The incidence of gully erosion in Obollo-Etiti in Udenu Local Government Area of Enugu State has assumed alarming proportions thereby gaining local government recongnition as an ecological disaster.

The aim of this study is therefore to determine and analysis the factors responsible for gully development and with preferring solutions. From my observation, the gully erosion for more than three to four years has been responsible for the loss of farmland, damage of roads, thereby rendering them farmless for varying period of time and loss of livestock which majority of the population depends on for survival.

Congruently, the community have been working on it and even employing indigenous management strategies. However not much progress has been recorded with regard to combating the manace as both community and government carryout intervention measure almost exclusive of each other, with the information gotten is therefore recommends among other things that the management strategies of local government should be harmonized with that of the community with regard for the unique environment and social feature of the study area.

TABLE OF CONTENT

Cover page i

Title page ii

Approval page iii

Dedication iv

Acknowledgement v

Abstract vii

Table of Contents viii

CHAPTER ONE

1.0 INTRODUCTION

1.1 Background of the study 1

1.2 Objectives of the study 2

1.3 Justification of the study 3

CHAPTER TWO

2.0 LITERATURE REVIEW

2.1 Definition of Gully Erosion 4

2.2 Classification of gully 5

2.3 Causes of gully erosion 8

2.4 Process of gully formation 9

2.5 Gully reclamation techniques 13

CHAPTER THREE

3.0 METHODOLOGY

3.1 Study Area 20

3.2 Topographic Survey 20

3.3 Determination of Soil Properties 21

3.3.1 Grain size distribution 22

3.3.2 Atterberg limit test (liquid limit determination) 23

3.3.3. Specific gravity determination 24

3.3.4 Permeability determination 26

3.3.5 Direct shear test determination 27

3.3.6 Dry and bulk densities determination 28

3.4 Hydrological analysis 29

3.4.1 Mean annual Rainfall 29

3.4.2 Intensity duration curve 29

3.4.3 Run-off determination 30

3.4.4 Time of Concentration (TC) 30

3.5 Selection and design of appropriate control structure 32

3.5.1 Design of Trapezoidal channel 32

3.5.2 Design of drop structure 37

3.5.3 Design of discharge outlet structure 37

CHAPTER FOUR

4.0 RESULTS AND DISCUSSION

4.1 Results 41

4.2 Discussions 46

CHAPTER FIVE

5.0 RECOMMENDATION AND CONCLUSION

5.1 Recommendation 48

5.2 Conclusion 49

References 51

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APA

YWH9nGq5c0006a088b224.87258818, C. (2018). RECLAMATION MEASURES FOR GULLY EROSION SITES (A CASE STUDY OF OBOLLO-ETITI, UDENU LOCAL GOVERNMENT). Afribary. Retrieved from https://beta.afribary.com/works/reclamation-measures-for-gully-erosion-sites-a-case-study-of-obollo-etiti-udenu-local-government-6375

MLA 8th

YWH9nGq5c0006a088b224.87258818, CXRbMXY5c0006a08804a6.07849201 "RECLAMATION MEASURES FOR GULLY EROSION SITES (A CASE STUDY OF OBOLLO-ETITI, UDENU LOCAL GOVERNMENT)" Afribary. Afribary, 29 Jan. 2018, https://beta.afribary.com/works/reclamation-measures-for-gully-erosion-sites-a-case-study-of-obollo-etiti-udenu-local-government-6375. Accessed 24 Apr. 2025.

MLA7

YWH9nGq5c0006a088b224.87258818, CXRbMXY5c0006a08804a6.07849201 . "RECLAMATION MEASURES FOR GULLY EROSION SITES (A CASE STUDY OF OBOLLO-ETITI, UDENU LOCAL GOVERNMENT)". Afribary, Afribary, 29 Jan. 2018. Web. 24 Apr. 2025. < https://beta.afribary.com/works/reclamation-measures-for-gully-erosion-sites-a-case-study-of-obollo-etiti-udenu-local-government-6375 >.

Chicago

YWH9nGq5c0006a088b224.87258818, CXRbMXY5c0006a08804a6.07849201 . "RECLAMATION MEASURES FOR GULLY EROSION SITES (A CASE STUDY OF OBOLLO-ETITI, UDENU LOCAL GOVERNMENT)" Afribary (2018). Accessed April 24, 2025. https://beta.afribary.com/works/reclamation-measures-for-gully-erosion-sites-a-case-study-of-obollo-etiti-udenu-local-government-6375

RECLAMATION MEASURES FOR GULLY EROSION SITES (A CASE STUDY OF OBOLLO-ETITI, UDENU LOCAL GOVERNMENT)

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