USE OF OPEN-SOURCE GIS TECHNOLOGIES FOR ADVANCING SDI ADOPTION AS A PRECURSOR TO IMPROVING ENVIRONMENTAL MANAGEMENT PRACTICES IN NIGERIA: A PROTOTYPE IMPLEMENTATION

Tubolayefa Warekuromor

GSDI Conferences, GSDI 15 World Conference

Tubolayefa Warekuromor

Last modified: 2016-07-13

Abstract

Issues of pollution and environmental degradation are fundamental concerns to both developing and developed countries. Nigeria is an oil producing country with high rates of gas flares, indiscriminate waste disposal and oil spills. These events pose significant environmental impacts on the land, water, biodiversity, air, and the socio-economic wellbeing of the people. A number of strategies like Environmental impact assessments (EIA) have been implemented to identify possible impacts of development projects on the environment and propose alternative as well as mitigation measures to improve environmental performance. However, little or no success has been recorded. Poor access to accurate data as well as the issues faced with data integration and analysis has been documented to impair the quality of impacts predicted as well as the quality environmental management decisions made. The emergent Spatial Data Infrastructure (SDI) in Nigeria called the National Geographic Data Infrastructure (NGDI) has been insufficient to support the spatial data needs for these environmental management protocols. The NGDI clearinghouse which is meant to facilitate data access is not fully operational. This paper explores the prospects of open-source Geographical Information Systems (GIS) technologies in advancing SDI implementation and adoption as a precursor to improving environmental management protocols in Nigeria. It presents a standardized model for SDI-GIS integration using webservices to improve spatial data access, integration, analysis, sharing and collaboration. Open source GIS software, QGIS, postgres, postgis, geoserver, geoext and openlayers was utilized for the design, implementation and evaluation of the model as it is cost effective and widely applicable.

Keywords

Environmental management, spatial data infrastructure, geographical information systems, open source software technology.

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