data download service (WFS) from: Meeting- Strategic Noise Map: RD4 card type A Ln
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https://data.europa.eu/data/datasets/fr-120066022-mdwfs-deal_reunion-cbs_rd4_aln?locale=en
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资源简介:
— type A card in Ln: areas exposed to + 50 dB(A) with isophone curves
from 5 to 5 dB(A): ]50;55],]55,60],]60,65],]65,70],]>70]
— LN: weighted noise discomfort index for the night period, i.e. (22h-6h)
— dB(A): unit of measurement expressing a weighted (decibel) intensity level
depending on the physiological characteristics of the human ear.
Sources: cee Méd2009
C_DDI_LN_50_Dept974_RD4_finite
C_DDI_LN_70_Dept974_RD4_finite
C_DDI_LN_60_Dept974_RD4_finite
C_COMMUNE_cartelie
C_departments
C_StPaul_Labels
C_Location
C_DDI_LN_55_Dept974_RD4_finite
C_DDI_LN_65_Dept974_RD4_finite
C_StPaul
C_nationals
— Ln类别下的A类卡:针对暴露于≥50 A计权分贝(dB(A))的区域,其配套等声级曲线的分段区间为:]50;55]、]55,60]、]60,65]、]65,70]以及]>70]
— LN:夜间加权噪声不适指数,对应时段为22时至次日6时
— A计权分贝(dB(A)):基于人耳生理特性设计的计权声强级测量单位
— 数据来源:cee Méd2009、C_DDI_LN_50_Dept974_RD4_finite、C_DDI_LN_70_Dept974_RD4_finite、C_DDI_LN_60_Dept974_RD4_finite、C_COMMUNE_cartelie、C_departments、C_StPaul_Labels、C_Location、C_DDI_LN_55_Dept974_RD4_finite、C_DDI_LN_65_Dept974_RD4_finite、C_StPaul、C_nationals



