Evaluation and Selection of Potential Scenic View-point Distribution Areas Based on GIS and Fuzzy Analytic Hierarchy Process —An Example from Jiulangshan Mountain Park in Zhuzhou

doi:10.13466/j.cnki.lyzygl.2020.01.020

Abstract

Abstract:

This paper aims to realize the targeted investigation of distribution area of potential scenic view-point in landscape planning,and a new quantitative evaluate and screen method is proposed.By using GIS and fuzzy analytic hierarchy process,the evaluation system of distribution area of potential scenic view-point was established,and the screening threshold value was provided by local investigation,and the case test was carried out in Jiulangshan mountain park.An evaluation system of Suitability of distribution of scenic view-point,including the suitability of distance between view-point and scene,suitability of view-able area size,residence suitability and traffic accessibility is constructed.The result shows that :after expert consultation and fuzzy analytic hierarchy process analysis,the importance degrees of suitability of distance between view-point and scene,suitability of view-able area size,residence suitability and the traffic accessibility are 0.331,0.323,0.161 and 0.185.Based on GIS and fuzzy analytic hierarchy process,the suitability evaluating of the distribution of scenic view-point in Jiulangshan mountain park was completed,and result shows that the evaluate value ranging from 0.02 to 0.74.According to the local investigation results,a total of 16 suitable view-point were identified.According to the value of the 16 scenic view-point in the previous evaluation,the minimum value,the first quartile,the mean value and the median value is 0.40,0.43,0.48±0.06,0.50.When the screening thresholds were set as 0.4,0.43,0.48 and 0.50,respectively,the distribution area of potential scenic view-point accounts for 16.9%,8.9%,3.6% and 2.3% of the total research area.The screening results were tested,and 80.0% of the points were within the appropriate range obtained by screening.The evaluating and screening of distribution area of potential scenic view-point are basically realized.

Key words: distribution area of scenic view-point, evaluating and screening, GIS, fuzzy analytic hierarchy process, Jiulangshan

CLC Number:

Zhipeng XIAO, Polang LIU, Ye LIU, Fangwen HU, Huaizhen PENG, Ziyan ZHANG, Ping GAO. Evaluation and Selection of Potential Scenic View-point Distribution Areas Based on GIS and Fuzzy Analytic Hierarchy Process —An Example from Jiulangshan Mountain Park in Zhuzhou[J]. FOREST RESOURCES WANAGEMENT, 2020, (1): 158-165.

Figures/Tables 6

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景物类别	性质
远距离观赏景物	对象在全区域多数地区可通视,是统摄性的,或本底性质的景物。如突出周边环境且高大的山峦,通常适合在远距离观赏,近距离上难以取得最佳效果。
中距离观赏景物	局部区域可见,其他区域不可见,并在可见区起统摄作用与视线焦点作用的景物。如具有观赏价值的建筑群体,一定面积的水库、池塘,常在中等距离观赏取得最佳效果,或在中等距离观赏取得最佳效果,且有时在近距离取得与中等距离相近效果,而在较远距离上效果较中、近距离差。

三角模糊数	视距适宜性	视域开阔性	驻留适宜性	交通可达性
视距适宜性	(0.5,0.5,0.5)	(0.4,0.5,0.6)	(0.7,0.8,0.9)	(0.6,0.7,0.9)
视域开阔性	(0.4,0.5,0.6)	(0.5,0.5,0.5)	(0.7,0.8,0.9)	(0.6,0.7,0.8)
驻留适宜性	(0.1,0.2,0.3)	(0.1,0.2,0.3)	(0.5,0.5,0.5)	(0.4,0.5,0.6)
交通可达性	(0.1,0.3,0.4)	(0.2,0.3,0.4)	(0.6,0.5,0.4)	(0.5,0.5,0.5)

指标	视距适宜性	视域开阔性	驻留适宜性	交通可达性
优先程度	(0.915,1.03,1.145)	(0.89,1.03,1.07)	(0.33,0.5,0.67)	(0.42,0.55,0.78)
优先程度期望值	1.03	1.005	0.5	0.575
排序向量	0.331	0.323	0.161	0.185

观景点	评价值	观景点	评价值	观景点	评价值	观景点	评价值
A1	0.5	A5	0.41	A9	0.51	A13	0.56
A2	0.44	A6	0.4	A10	0.41	A14	0.55
A3	0.5	A7	0.51	A11	0.45	A15	0.52
A4	0.4	A8	0.54	A12	0.52	A16	0.46