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Aircraft Noise Exposure and Impact Assessment and Management
ICAO Balanced Approach for aircraft noise management in airports [1] is completely about noise exposure, - beginning from assessment with noise index Ldn and finalising with noise mitigation measures for flights. Current ICAO policy on Environmental Protection defines the goal concerning noise as a reduction of number of people affected by noise - not simply exposed [2]. If to combine the both assessments - exposure and impact - one may observe at once that current methodology on risk assessment and management may be implemented with a big number of tools and definitions under it [3]. First of all vulnerability effects must be described carefully - a number of acoustic and non-acoustic factors exist, which may or amplify or reduce the impact of noise on people, even for the same noise exposure. A list of factors is different for any of types of impact currently found in practical conditions: annoyance, sleep disturbance, cardiovascular disorders and other direct health effects, cognitive disruptions, mental health, hearing impairment, etc. Annoyance is considered as more general effect, sometimes covering all other types of impact, it is mostly defined via dependence of highly annoyed percentage in population from noise index at their location. More accurately the exposure is defined - it provides more accurate impact assessment, it is obvious that not only via evident exposure dependence. Vulnerability factors are becoming more accurately defined as well in such case. Principal contributions of vulnerability factors is described in a paper [3]. Improvements in exposure calculations are shown for single events and for day traffic scenario in airports.
Aircraft Noise Exposure and Impact Assessment and Management
ICAO Balanced Approach for aircraft noise management in airports [1] is completely about noise exposure, - beginning from assessment with noise index Ldn and finalising with noise mitigation measures for flights. Current ICAO policy on Environmental Protection defines the goal concerning noise as a reduction of number of people affected by noise - not simply exposed [2]. If to combine the both assessments - exposure and impact - one may observe at once that current methodology on risk assessment and management may be implemented with a big number of tools and definitions under it [3]. First of all vulnerability effects must be described carefully - a number of acoustic and non-acoustic factors exist, which may or amplify or reduce the impact of noise on people, even for the same noise exposure. A list of factors is different for any of types of impact currently found in practical conditions: annoyance, sleep disturbance, cardiovascular disorders and other direct health effects, cognitive disruptions, mental health, hearing impairment, etc. Annoyance is considered as more general effect, sometimes covering all other types of impact, it is mostly defined via dependence of highly annoyed percentage in population from noise index at their location. More accurately the exposure is defined - it provides more accurate impact assessment, it is obvious that not only via evident exposure dependence. Vulnerability factors are becoming more accurately defined as well in such case. Principal contributions of vulnerability factors is described in a paper [3]. Improvements in exposure calculations are shown for single events and for day traffic scenario in airports.
Aircraft Noise Exposure and Impact Assessment and Management
Zaporozhets, Oleksandr (author) / Levchenko, Larisa (author)
2020-02-28
Conference paper
Electronic Resource
English
DDC:
710
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