利用地理信息系统(GIS)评价和空间噪声制图:以尼日利亚卡杜纳州扎里亚市为例

IF 1.3 Q4 ENVIRONMENTAL SCIENCES
Idoko Apeh Abraham, Igboro Bamedele Sunday, S. B. Saulawa, Chukwuemeka Eneogwe
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引用次数: 0

摘要

背景:使用地理信息系统绘制空间噪声水平图对于噪声分析的视觉颜色表示至关重要,这是战略规划和缓解措施的必要条件。方法:使用Extech噪声计(型号407750)进行声音测量,并在54个研究地点使用GIS(逆距离加权)进行空间插值。根据尼日利亚世界卫生组织标准和国家环境标准和法规执行局(NESREA),该研究分为五类。结果:LDAY(D)、LEvening(E)、LNight(N)和LDEN的所有地点都超过了世界卫生组织标准,94.4%、90.7%、83.3%和83.3%的地点超过了NESREA标准。LDay(D)的范围从Ijaw居民区的最小值67.6 dB(A)到Kwangila现场(1)交叉口的最大值93.0 dB(A。LNight范围从Dogorawa居民区的最小值63.3 dB(A)到Kwangila现场的最大值92.1 dB(B)(1)。LDEN的范围从Hanwa居民区的最小值73.1 dB(A)到Kwangila现场的最大值97.2 dB(A,1)。噪音质素评级由满意至不合格不等。选定的十字路口和有轻度商业活动的住宅区的噪音水平分别最高和最低。结论:有效维护消音器,种植树叶茂密的树木,并制定战略规划,将是遏制过度噪音的必要灵丹妙药。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Evaluation and spatial noise mapping using geographical information system (GIS): A case study in Zaria city, Kaduna State, Nigeria
Background: Spatial noise level mapping using a geographical information system (GIS) is essential for the visual colour representation of noise analysis, which is a necessity for strategic planning and mitigating measures. Methods: Extech noise meter (model 407750) was used for sound measurement and a GIS (inverse distance weighted) was used in 54 study locations for the spatial interpolation. The study was classified into five categories based on Nigeria’s WHO standard and National Environmental Standards and Regulations Enforcement Agency (NESREA). Results: For the LDAY (D),LEvening (E), LNight (N), and LDEN, all the locations exceeded the WHO standard while 94.4%, 90.7%, 83.3%, and 83.3% of the locations exceeded the NESREA standard. The LDay (D) ranged from the minimum value of 67.6 dB (A) at the Ijaw residential area to the maximum value of 93.0 dB (A) at Kwangila site (1) intersection. The LNight ranged from the minimum value of 63.3 dB (A) at Dogorawa residential area to the maximum value of 92.1 dB (A) at Kwangila site (1). The LDEN ranged from the minimum value of 73.1 dB (A) at Hanwa residential areas to the maximum value of 97.2 dB (A) at Kwangila site (1). The noise quality rating ranged from satisfactory to unallowed noise quality grading. The selected intersections and residential areas with light commercial activities had the highest and lowest noise levels, respectively. Conclusion: Efficient maintenance of silencers, planting trees with dense foliage, and strategic planning would be necessary panacea in curbing excessive noise.
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来源期刊
CiteScore
2.40
自引率
37.50%
发文量
17
审稿时长
12 weeks
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