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Spatial patterns of urban green space and its actual utilization status in China based on big data analysis

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Big Earth Data 2021年第3期5卷 391-409页

作者： Yiyi Huang Tao Lin Guoqin Zhang Yongguan Zhu Zhiwei Zeng Hong Ye Key Laboratory of urban Environment and Health Institute of Urban EnvironmentChinese Academy of SciencesXiamenChina Coastal and Ocean Management Institute Xiamen UniversityXiamenChina

urban green space(UGS)is essential for sustainable urbanization and human *** utilization status of UGS is closely related to the provision of ecosystem services for urban *** on data availability,however,have led to the absence of a comprehensive approach for evaluating the actual utilization status of UGS at a large ***,differences in actual UGS utilization between intra-urban and peri-urban areas have not received enough *** study used big data analysis by combining point of interest(POI)and land use and cover change(LUCC)to quantify the spatial patterns of UGS utilization,and to evaluate the actual utilization status of UGS in 366 cities on the Chinese *** also explored the differences in the actual utilization of UGS in intra-urban and peri-urban *** results showed that 94.01%of UGS resources in China had not been *** was a clear pattern of spatial mismatch between the stock and the actual utilization of UGS,especially in the north-western region indicated by the Hu Huanyong *** actual utilization rate of UGS was closely related to the regional develop-ment *** was a certain mismatch between the actual utilization and stock of intraurban green space(IUGS).The hot spots of the actual utilization rate of IUGS were in Yunnan,Guizhou,and Sichuan Provinces in southwestern *** differ-ences in UGS actual utilization rates between IUGS and peri-urban green space(PUGS)were small in eastern China,but large in south-western and northwestern *** actual utilization rate of IUGS in most Chinese cities was significantly larger than that of PUGS,indicating that PUGS were not well *** results provide scientific support for urban and regional planners in targeting specific areas for UGS design and development,and in optimizing future UGS planning in China.

关键词： urban green space actual utilization status big data spatial pattern China

How to Calculate Stormwater Management and Storage Capacity for urban green space: Multidisciplinary Methods Used in Shanghai City

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Journal of Shanghai Jiaotong university(Science) 2020年第4期25卷 426-433页

作者： YU Bingqin GUO Jiankang TIAN Shu CHEN Yan LüYongpeng MO Zulan Department of Landscape Architecture School of DesignShanghai Jiao Tong UniversityShanghai 200240China Shanghai Songjiang Industrial Investment Co. Ltd.Shanghai 201616China Shanghai Municipal Engineering Design Institute(Group)Co. Ltd.Shanghai 200092China

In order to relieve urban environmental problems due to stormwater runoff,approaches involving the planning of green space for sponge city construction were previously *** this study,water retention characteristics of 168 green spaces are surveyed to develop estimates of stormwater retention in Shanghai City’s center,suburbs and *** methods of community investigation,soil tests,artificial rainfall simulation experiments,and simulations in Autodesk storm and sanitary analysis(SSA)and storm water management model(SWMM)are *** factors affecting the capacity of stormwater management are identified and used to calculate storage *** relationships among rainfall interception capacity(RIC),runoff,soil water storage properties,and vegetative cover are analyzed,which can provide the theoretical foundation for the assessment of the water-holding capacity in urban green spaces.A criterion for the selection of low impact development(LID)techniques for the Shanghai area is developed on the basis of the data from this study.

关键词： landscape architecture sponge city stormwater management urban green space water interception capacity

How urban green space Attracts the Elderly:A Preliminary Study on the Relationship Between External Environmental Characteristics and the Frequency of Use

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China City Planning Review 2020年第4期29卷 18-26页

作者： Yang Dongfeng Wang Xiaoyue Yue Yafei Qian Fang Department of urban Planning Dalian University of TechnologyDalianP.R.China

A high-grade green space environment will provide necessary environmental support to the outdoor activities of disadvantaged groups including the elderly and is thus helpful for promoting their physical activity level and life *** paper takes the urban area of Dalian City as an example and divides the external environmental characteristics of a green space into three aspects including the diversity degree of facilities,the richness level of street functions,and the mixing degree of land *** on the data of a survey on activities by elderly in green space,the paper conducts an in-depth study on the statistical correlation between the external environmental characteristics of green space and the frequency of use by the *** study shows that diversified facility types around a green space are conducive to a rise in the frequency of use of this space by the elderly,out of which the effect of functional facilities such as school and food market is the most *** addition,being adjacent to streets full of daily life or being mixed with residential land use will increase the frequency of use of the green space by the *** paper puts forward certain environmental upgrading strategies for green space from the perspective of external environmental characteristics in order to help build up green space that is use-friendly to the elderly.

关键词： urban green space attraction the elderly frequency of use external environment

GIS-Based Analysis to Identify the Distribution and Accessibility of urban green space in Dhaka Metropolitan City, Bangladesh

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Journal of Geographic Information System 2023年第1期15卷 35-52页

作者： Mohammad Wahidur Khan Md. Sazzad Hossain Mahbubul Alam Chair of Ecosystem Services Technische Universität Dresden Dresden Germany Chair of Tropical Forestry Technische Universität Dresden Dresden Germany

urban green space (UGS) plays an important role in minimizing the negative effects of urbanization on city dwellers, which is predominantly factored into the accessibility to UGS. This study elucidated the distribution and accessibility of UGS in Dhaka, Bangladesh considering the paucity of such important scientific studies in the given area. The methodological structure of this study employed a multispectral Landsat satellite image from 2020 for identifying the logically defined UGSs, as well as a minimum proxy distance being the parameter to estimate accessibility to the UGS through a primary survey scheme and literature review. Considering UGS as a public area, we adopted a hybrid (combination of supervised and unsupervised classification) method followed by post-classification for UGS distribution assessment. The unsupervised classification identified the overall distribution of green spaces, whereas the anomalies of generated classes were rectified during the post-classification. Following the study findings, UGS in Dhaka metropolitan city accounts for only 602 ha or 1.9% of the total geographical space, with Ramna thana ranked as the highest contributor of 111 ha. However, in terms of accessibility to the UGS by city residents, 19.9% of the buildings in Dhaka metropolitan city were computed to be within the determined proxy distance of 500 m around the UGS. Also, parallel to UGS distribution, green space in Ramna thana (111 ha) exhibited the highest accessibility rate (64%) to the UGS compared with other thanas in Dhaka metropolitan city. The baseline findings will contribute to the long-term sustainable urban planning and development of more accessible green spaces in the study area.

关键词： urbanization urban green space Accessibility Proxy Distance

Pattern Change of urban green space in Beijing from 2000 to 2010

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Journal of Landscape Research 2017年第4期9卷 67-73,80页

作者： ZHANG Biao LI Qingxu XIE Gaodi SHI Yunting Institute of Geographic Sciences and Natural Resources Research Chinese Academy of Sciences University of Chinese Academy of Sciences

With the rapid urbanization in Beijing, the vegetated surfaces have been increasingly replaced by impervious built surfaces. A clear recognition on the changes in green spaces pattern is vital for urban administrators and planners to optimize the urban development areas and define the ecological protection red lines. Based on the SPOT images and field investigation data of urban green spaces within the sixth ring road of Beijing in 2000, 2005 and 2010, the study investigated the dynamic changes of urban green spaces in this area, by means of GIS techniques and landscape ecology methods. The results indicated that green spaces in Beijing have decreased by 207 km2 from 2000 to 2010 at the expense of agricultural lands and waters. Although there has been some increases in urban forests and grasslands, it cannot compensate the rapid decrease of urban green spaces. The land cover types conversion occurred mainly in the areas between the fifth and sixth ring roads while the zones encircled by the fourth ring road had a little change. In addition, landscape metrics such as number of patches(NP) and shape index(SHAPE) increased, but the mean nearest-neighbor distance(MNN), aggregation index(AI) and patch cohesion index(COHESION) decreased during the period of 2000-2010. Also green landscapes became considerably isolated and fragmented. The study disclosed the obvious changes of green space size, composition and layout in urban districts of Beijing City from 2000 to 2010, and highlighted that construction of urban green space should consider not only the geometric or aesthetic effect, but also the increase of vertical green volume and optimization of spatial layout to fully develop the ecological service functions of green spaces.

关键词： urban green space Landscape pattern metrics Land cover Beijing

How Multi-Sensory Perception Plays a Landscape Restorative Role in Adelaide's urban green space

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Journal of World Architecture 2022年第3期6卷 31-36页

作者： Shiyao Li Guangzhou College of Technology and Business Guangzhou 510400Guangdong ProvinceChina

urban green space is an effective psychological restoration landscape ***,Adelaide's urban green space tends to focus on visual design but neglect non-visual *** influence is interactive and has profound and subtle effects on *** purpose of this study was to investigate the relationship between auditory,tactile,and psychological restoration ofxirban green space from a multi-sensory *** study used quantitative research methods to investigate auditory and tactile-related landscape factors that have a positive effect on *** is expected that this study will contribute to the high-quality restoration of urban green space and promote human health.

关键词： urban green space Multi-sensory design Restoration Auditory and tactile design

Establishment and Improvement of urban green space Management System——Taking Wuxi City as an Example

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Establishment and Improvement of Urban Green Space Managemen...

Pertinence Analysis of Nest Site Selection of Pied Magpie and urban green space

作者： Pan Xiajie Zhao Yijie Wuxi Environmental Science and Engineering Research Center Wuxi Municipal Municipal and Garden Bureau

Taking the establishment and improvement of Wuxi urban green space management system as an example, this paper conducts informatization management of greening basic data based on actual situation, introduces the architecture, development goals, functions, maintenance and update, of urban green space management system, as well as its continuous improvement by daily work, and describes the new direction of urban greening industry management. Based on the conclusion of urban green space management system and the expectation, characteristics of urban green space management system are formed to finally meet the new requirements of digital real-time management of greening industry.

关键词： urban green space GIS management system

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Pertinence Analysis of Nest Site Selection of Pied Magpie an...

Evaluation of a Proposed Landscape Photograph Simulation Method, urban green space Function(s), and Landscape Plants Spectral Features

第8届中日韩国际风景园林学术研讨会

作者： LI Hong-yuan MENG Wei-qing ZHU Yu-min CHEN Xiao-kui ZHANG Yin-tai College of Environmental Science and Engineering Nankai University Tianjin 300071 Tianjin Landscape Administration Bureau Tianjin 300191

＜正＞Pied magpie is widespread resident birds in the north of China. The amount of pied magpie has evident pertinence with the quality of urban ecological environment. With the development of urbanization, many lawns are constructed while destroying great amount of natural landscape of city. The nest sites of pied magpie in Tianjin of China are investigated and 103 sets of data are obtained. Then it is analyzed that the pertinence of nest site selection of pied magpie and urban green space using principal component analysis and singe factor analysis approach. And suggestions for urban ecological environmental protection and construction are given, and it is pointed out that the planting of arbor and the protection of indigenous plant and natural vegetation should be strengthened to construct health urban ecosystem.

关键词： Landscape Architecture urban green space Study Nidification Characteristic Pied Magpie Principal Component Analysis

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Evaluation of a Proposed Landscape Photograph Simulation Met...

作者： Ochieng Aggrey Adimo 浙江大学

学位级别：硕士

This study was done in two main parts;the first part in this paper presents results of an attempt to carryout a comprehensive urban green space aesthetic evaluation (visual, auditory, tactile and olfactory factors) and objectively asses a proposed photographing, photograph selection and panel constitution for visual quality evaluation. This was aimed at addressing issues of possible incompetence on the part of photographers in taking photographs for near view scenic beauty evaluation, bias in scene and photograph selection for panel construction and to enhance repeatability of such studies. On site survey technique was employed by administering a questionnaire and conducting simulated assessment of photographs taken using the outline systematic method. The panels had no significant difference in the means of scenic beauty estimate (SBE), an indication that the method used allowed for the difference in observed variation to be due to expected random values of the respective variables. Kendall Tau correlation analysis showed that there was a correlation between visible sky and SBE. From the questionnaire survey, auditory, tactile and olfactory qualities were also shown to be important factors that influence environmental preference. urban open green space was shown to have multiple functions from the users' *** second part was the spectral analysis;the ever continuing improvement in digital photography capability unveils its potential to revolutionize remote sensing technology, which promises many users a reduced cost and flexible approaches to remote sensing. The realization of this, however, calls for more or less equal efforts in evaluating and assessing digital photography capability as users perceptively continue to unveil potential

关键词： urban green space aesthetic assessment human natural perspective photograph method Charged Couple devices (CCDs) sensor corresponding spectral (RGB) color analysis landscape plant species discrimination Near infrared filters remote sensing Electromagnetic radiation (ER) reflectance