It can be inferred from statistical analyses and spatial interpolations of recorded noise levels, that noise levels of many areas in FUNAAB exceed the recommended 40 db required for an institution of higher learning. Generally, it was observed that the ambient noise from heavy duty generating with the student chattering put noise level above 35(db) to 55(db) recommended for educational institutions. The noise emission level at some locations within the University exceeded the World Health Organization and Federal Ministry of Environment of Nigeria’s permissible level of 55 db for residential areas. The results show noise pollution levels reaching 74.3 (db) and 73.0 (db) during weekdays at some locations on campus.
Spatial analysis of the noise levels includes surface interpolation (Krigging) to determine the spatial pattern of noise across the campus, particularly, the most tranquil and most chaotic locations. Data (noise and survey) were subjected to statistical analysis. Questionnaires were administered to members of the University community (staff and students) to determine their respective perception of campus noise on academic activities. The sampling points were geo-located using a hand-held receiver for Global Positioning Systems (GPS). The noise measurement was done with the aid of Smart Sensor Digital Sound Level meter (Model: AR824). The noise measurement was done in the morning and evenings of Mondays, Wednesdays and Saturdays over a period of 3 weeks in July 2019.
Measurements of noise were taken from 10 locations on campus namely the academic environment including the University library and college lecture auditoria, the residential areas comprising the Student hostels and Vice-chancellor’s lodge as well as other populated areas like the car park and student union building. The study investigated the spatial variability in the distribution of noise pollution in Federal University of Agriculture, Abeokuta.
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