Analysis on the gradient evolution of soundscape between urban and rural areas in Nanjing Metropolitan area

doi:10.12302/j.issn.1000-2006.202106030

JOURNAL OF NANJING FORESTRY UNIVERSITY ›› 2023, Vol. 47 ›› Issue (3): 199-206.doi: 10.12302/j.issn.1000-2006.202106030

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Analysis on the gradient evolution of soundscape between urban and rural areas in Nanjing Metropolitan area

CUI Zhihua¹(), LYU Yanjie¹(), YANG Xinyu²

1. College of Landscape Architecture,Nanjing Forestry University, Nanjing 210037,China
2. Nanjing Borui Energy Technology Co., Ltd.,Nanjing 210036,China

Received:2021-06-24 Revised:2022-10-19 Online:2023-05-30 Published:2023-05-25

Abstract

Abstract:

【Objective】 In order to provide references for the comprehensive utilization and scientific planning of soundscape, we discuss the spatial characteristics of soundscape in Nanjing Metropolitan area under the gradient change of urban and rural areas. 【Method】 Firstly, we take Nanjing Metropolitan area as the research scope, quantify the urban-rural gradient and set the research transect. Secondly, after the objective sound level measurement, GIS is used to analyze and evaluate the soundscape under different gradients. 【Result】 The soundscape within the research scope showed the obvious urban-rural gradient differentiation and north-south spatial differentiation of the urban center, the urban-rural transition zone and countryside. The sound level decreased from Xinjiekou as the center of the circle, first slowly, then rapidly, and finally flattens out. Moreover, the drop in sound levels is the greatest eastwards from the city center and the smallest southwesterly. 【Conclusion】 The analysis of the characteristics and evolution of soundscape from the perspective of the urban and rural gradient could provide references for the study of the evolution mechanisms of the regional soundscape and the spatial planning and design.

Key words: sound-landscape, urban-rural gradient, spatial pattern evolution, Nanjing Metropolitan area

CLC Number:

X839
TU985

CUI Zhihua, LYU Yanjie, YANG Xinyu. Analysis on the gradient evolution of soundscape between urban and rural areas in Nanjing Metropolitan area[J]. JOURNAL OF NANJING FORESTRY UNIVERSITY, 2023, 47(3): 199-206.

Figures/Tables 7

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References 22

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声景观类型 sound-landscape type	线性回归方程 linear regression equation	变化率 rate of change	判定系数 determination coefficient
自然声natural sound	y=4.590 0 x + 3.578 2	4.590 0	0.961 6
生活声live sound	y = -1.831 8 x + 43.627 0	-1.831 8	0.975 9
人工声artificial acoustic	y = -1.605 5 x + 39.105 0	-1.605 5	0.907 2
历史声historical sound	y = -0.922 7 x + 11.191 0	-0.922 7	0.910 5

声景观类型 sound-landscape type	变化率 rate of change
声景观类型 sound-landscape type	样带a transect a	样带b transect a	样带c transect a	样带d transect a	样带e transect a
自然声natural sound	4.133 6	3.290 9	4.903 0	4.479 8	4.950 0
生活声live sound	-0.330 8	-0.226 8	-0.492 9	-0.471 4	-0.250 3
人工声artificial acoustic	-0.288 8	-0.338 8	-0.286 8	-0.320 2	-0.344 3
历史声historical sound	-0.218 9	-0.181 5	-0.207 2	-0.227 6	-0.270 0

城乡梯度 urban-rural gradient	用地类型 land use type
城乡梯度 urban-rural gradient	总体 total	建设用地 building land	耕地 cultivated land	林地 forest land	草地 grass land	水域 waters	其他 other	a	b	c	d	e
1	87.5	97.8		64.2	53.2	47.8	68.9	87.5	87.5	87.5	87.5	87.5
2	82.3	92.3		66.7	51.2	57.4	62.3	84.6	82.3	85.2	78.9	72.3
3	78.6	87.6	44.7	57.9	44.7	59.7	64.5	65.8	80.6	82.4	72.6	69.4
4	73.7	85.4	46.5	46.5	50.4	50.4	67.9	64.2	75.1	76.5	68.9	65.2
5	59.1	84.2	43.1	53.4	48.7	43.2	61.4	63.4	66.8	71.3	67.6	63.7
6	48.9	81.5	40.1	52.3	44.6	44.6	59.6	69.8	65.7	68.7	66.9	57.8
7	45.3	83.4	45.9	51.9	45.9	47.9	56.3	65.4	60.5	66.4	61.5
8	36.7	79.6	49.6	48.7	42.7	46.1	60.2	57.5	44.8	65.2
9	35.4	76.1	47.3	46.2	36.8	45.8	53.1	46.4	41.5	57.9
10	32.1	76.9	41.2	49.8	30.9	40.3	49.8	43.3	39.3

Analysis on the gradient evolution of soundscape between urban and rural areas in Nanjing Metropolitan area

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