图形叠置法在飞机噪声环境影响评价中的应用
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摘要
针对已有飞机噪声环境影响评价方法中一个地物单元仅用一个噪声值从而导致评价结果不够精确的问题,将图形叠置法引入飞机噪声环境影响评价。方法以飞机噪声影响区地物图为基图,将用透明纸绘制的飞机噪声等值线图叠置于其上,将单个地物单元分割成若干个小块地物单元,用噪声影响程度系数刻画每个小块地物单元受到的飞机噪声影响大小,结合每个小块地物单元的面积,用噪声综合影响面积来精确评价飞机噪声环境影响。
Existing environmental impact assessment method of aircraft noise is inadequate accuracy.One reason is that a geographic unit in noise graph is described only with one noise value.In order to remedy the situation,graph overlay method is put up in environmental impact assessment of aircraft noise.Geographic unit graph in aircraft noise affected area are used as basis graph and aircraft noise isogram drawn on transparent paper is put up on the basis graph in this method.Thus each single geographic unit is divided into a few small geographic units.Then each small geographic unit affected by aircraft noise can be described with one noise value.Combined with the area of each small geographic unit,the method can evaluate accurately environmental impact of aircraft noise.
Existing environmental impact assessment method of aircraft noise is inadequate accuracy.One reason is that a geographic unit in noise graph is described only with one noise value.In order to remedy the situation,graph overlay method is put up in environmental impact assessment of aircraft noise.Geographic unit graph in aircraft noise affected area are used as basis graph and aircraft noise isogram drawn on transparent paper is put up on the basis graph in this method.Thus each single geographic unit is divided into a few small geographic units.Then each small geographic unit affected by aircraft noise can be described with one noise value.Combined with the area of each small geographic unit,the method can evaluate accurately environmental impact of aircraft noise.
引文
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[2] 贺洁.机场周边受噪声污染影响区域的合理规划与设计研究[J].环境科学与管理,2018,43(2):126-130.
[3] 高丽娟.机场噪声影响调查及保护措施分析——以西部某机场竣工环保验收为例[J].环境保护与循环经济,2017,37(3):46-50.
[4] 宋花玉.基于一致性矩阵的机场选址指标权重统计算法[J].航空计算技术,2017,47(2):17-19,24.
[5] 宋花玉.AHP机场选址判断矩阵的一种构造方法[J].航空计算技术,2015,45(2):68-71.
[6] 汪贇,白煜,沈松,等.机场周围区域飞机噪声监测方法对比研究[J].中国环境监测,2018,34(5):113-118.
[7] 屈广义.铁路网规划环境影响评价方法研究及案例应用[D].哈尔滨:哈尔滨工业大学,2011.
[8] 周鑫,段钢,胡笑浒.机场噪声与运行监测系统概述及应用探讨[J].环境影响评价,2016,38(5):55-58.
[9] 李洪强.基于图形叠置法的高速铁路噪声环境影响评价研究[J].道路勘测与设计,2010,40(3):71-75.
[10] 闫国华,李启龙.单机飞机噪声等值线与测量点噪声级关系[J].环境工程学报,2017,11(8):4881-4887.
[11] 徐涛,崔昭宇,吕宗磊.基于路径栅格的机场动态等值线绘制并行算法[J].计算机与数字工程,2015,43(8):1369-1374.