Article Dans Une Revue International Journal of Computational Engineering Research (IJCER) Année : 2025

Digital Topographic Survey and Elevation Profiling of Ezukwu Farmland, Delta State, Nigeria

Résumé

I. Introduction

Topographic surveying remains a foundational practice within the discipline of geomatics, representing a critical intersection of measurement science, spatial analysis, and digital cartographic modeling. It involves the determination of the relative spatial positions and elevations of both natural and artificial features on the earth's surface, typically for the purpose of generating maps and models that inform engineering, environmental, and agricultural planning (Wolf & Ghilani, 2002; Uren & Price, 2014). With the increasing demand for precision land resource management and infrastructure development, the relevance of topographic data has expanded to include domains such as hydrological modeling, soil conservation design, and climate adaptation studies (Kavanagh, 2017; Brinker & Minnick, 1987; Su et al., 2023).

Digital topographic surveys leverage advanced electronic instruments such as Total Stations and GNSS receivers to produce spatially accurate data in three dimensions (x, y, z), forming the basis for Digital Elevation Models (DEMs) and contour mapping (Roy, 2008; Ghilani & Wolf, 2006). The transformation from analogue to digital terrain data allows for more robust modeling of landforms and hydrological behavior, essential for site suitability assessment, slope stability analysis, and civil infrastructure layout (Das, 2010; Dixon-Gough, 1995; Oriola, 2011). Notably, digital elevation data facilitates slope classification, drainage delineation, and visibility analysis, providing critical support for both tactical and strategic land-use decisions (Helge et al., 2018; Kraus & Kager, 1994).

Within the Nigerian context, the utility of topographic data is further magnified by rapid urbanization, increasing agricultural pressure, and the inadequacy of existing geospatial information infrastructures. In many rural communities, including those in Delta State, spatial data deficiencies continue to hinder effective planning and resource allocation (Onuigbo et al., 2016; Odo et al., 2015). For instance, the lack of updated topographic data impedes land parcel zoning, irrigation layout optimization, and the design of climate-resilient rural infrastructure (Adetunji et al., 2020; Ajayi et al., 2019).

Ezukwu Farmland, located in Ibusa, Oshimili North Local Government Area of Delta State, represents a valuable agricultural landscape that lacks precise spatial characterization. Current land management practices within the area rely predominantly on anecdotal knowledge and outdated cartographic sources. The absence of recent high-resolution topographic data has constrained evidence-based decision-making regarding erosion control, crop suitability zoning, and infrastructure placement. This situation reflects a broader challenge of spatial data gaps in peri-urban and rural Nigeria

Fichier principal
Vignette du fichier
15070106.pdf (303.67 Ko) Télécharger le fichier
Origine Publication financée par une institution
Licence

Dates et versions

hal-05187836 , version 1 (26-07-2025)

Licence

Identifiants

  • HAL Id : hal-05187836 , version 1

Citer

W A Ojanikele, A O Oliha, Fc Ezeh. Digital Topographic Survey and Elevation Profiling of Ezukwu Farmland, Delta State, Nigeria. International Journal of Computational Engineering Research (IJCER), 2025. ⟨hal-05187836⟩
56 Consultations
379 Téléchargements

Partager

  • More