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Analysis of spatial distribution characteristics and driving factors of ethnicminority villages in China using geospatial technology and statistical models

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Journal of Mountain Science 2024年第8期21卷 2770-2789页

作者： SHAO Dandan ZOH Kyungjin Interdisciplinary Program in Landscape Architecture Graduate School of Environmental StudiesSeoul National UniversitySeoul 08826Korea Graduate School of Environmental Studies Seoul National UniversitySeoul 08826Korea

This study aims to reveal the spatial structural characteristics of 1,652 Ethnic-Minority Villages(EMV)in China and to analyze the mechanisms driving their spatial *** are a special type of settlement space that preserve a large number of historical traces of the ethnic culture of ancient *** are important carriers of China’s excellent traditional culture and are key to the implementation of rural revitalization *** this study,1652 EMV in China were selected as the research *** Nearest Neighbor Index,kernel density,and spatial autocorrelation index were employed to reveal the spatial structural characteristics of minority *** network models,spatial lag models,and geographical detectors were used to analyze the formation mechanism of spatial heterogeneity in *** results indicate that:(1)EMV exhibit significant spatial differentiation characterized by“single-core with multiple surrounding sub-centers,”“polarization between east and west,”“decreasing quantity from southwest to east coast to northeast to northwest,”and“large dispersion with small agglomeration.”(2)EMV are mainly distributed in areas rich in intangible cultural heritage,with high vegetation coverage and low altitude,far from central cities,and having limited arable land and an underdeveloped economy and transportation,particularly in shaded or riverbank areas.(3)Distance from the nearest river(X3),distance from central cities(X8),national intangible cultural heritage(X9),and NDVI(X10)were the main driving factors affecting the spatial distribution of EMV,whereas elevation(X1)and GDP(X5)had the weakest *** EMV are a relatively unique territorial spatial unit,the identification of their spatial heterogeneity characteristics not only deepens the research content of settlement geography,but also involves the assessment,protection,and development of Minority Villages,which is of great significance for the inheritance and utilization of excellent

关键词： Ethnic-Minority Villages Spatial structure Settlement geography Neural network model Spatial econometric model GeoDetector

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Urban recreation areas and climate change resilience: Hunter's Point South Park, New York City

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Discover Cities 2024年第1期1卷 1-20页

作者： Simais, Nur Korgavus, Bengi Graduate School of Applied Science Urban Design and Landscape Architecture Department Yeditepe University Istanbul Turkey Graduate School of Natural and Applied Science Urban Design and Landscape Architecture Masters Program Yeditepe University Istanbul Turkey

Urban areas experiencing the escalating impacts of climate change-induced disasters face challenges exacerbated by rapid urbanization and inadequate infrastructure. Despite more than four decades of warnings from the Intergovernmental Panel on Climate Change (IPCC), the actual outcomes of climate change remain more severe than anticipated, affecting millions of people annually. This study focused on resilience as a response to the detrimental effects of climate change, emphasizing its importance in urban design to address climate-related disasters. Specifically, the research centers on Hunter's Point South Park in Long Island City, New York, examining its design resilience in the aftermath of Hurricane Sandy. This study aimed to develop an updated resilience toolkit for the designated area using assessment tools from organizations such as the Resilience Alliance, the Rockefeller Foundation, A RUP, and UN-Habitat. The toolkit includes a comprehensive questionnaire derived from crucial elements of existing assessment tools, fostering a systems-thinking approach to resilience in urban studies. Stakeholder involvement is crucial, as this study advocates incorporating community input, local authorities, and the natural environment in project development. The objective is to achieve long-term sustainability, efficiency, and resilience by choosing durable materials, low maintenance greenery, and engaging stakeholders. Also, given the high urban population, health is essential for climate-resilient urban development, as mentioned throughout the study. Prioritizing health in urban resilience planning reduces adverse impacts and fosters adaptable communities. While encouraging further field studies and research, this study underscores the necessity of ongoing efforts to enhance climate change resilience and guide sustainable development decisions.

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Ancient Palace Gardens of Korea: the water purification system of Wolji Pond, a world heritage site

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landscape History 2021年第1期42卷 5-19页

作者： Kim, Hyung-Suk Sim, Woo-Kyung Department of Environmental Planning & Landscape Architecture Graduate School Korea University Seoul South Korea Landscape Architecture Program Korea University Seoul South Korea

The Wolji Pond is part of an ancient palace garden belonging to the Gyeongju Historic Areas of Korea, designated as a World Heritage Site by UNESCO in 2000. The traditional pond is remarkable as it introduced a fresh-water supply and drainage systems to increase water circulation and prevent water from becoming stagnant thus negatively affecting its quality. This study is the first examination of the system used to improve water quality through water purification and illustrates how the water supply system at the site consists of four interconnected stages to ensure a stable oxygen supply and sufficient water circulation through the strategic placement of differently sized islands, and a drainage system that allows for the discharge of water from the ground floor. The study classifies the features and types of traditional Korean ponds and compares these to those found at the Wolji pond;followed by a water quality survey conducted through portable devices and a simulation of the water flow to highlight the uniquely advanced nature of the site, which clearly indicate that the ancient architects at Wolji had considerable knowledge of hydrodynamics as well as a keen aesthetic taste. The garden design at Wolji evidently took the passage of time into account as well as maintenance after completion and has much to inspire and influence modern landscape architects. The purpose of the study is to consider and develop aspects of the ancient water purification system that can be incorporated into modern garden design to solve contemporary water quality problems. © 2021 Society for landscape Studies.

关键词： Garden design Gyeongju Historic Areas Imhaejeon Palace Site water drainage system water supply system Wolji Pond

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Vegetation Coverage and Urban Amenity Mapping Using Computer Vision and Machine Learning

Vegetation Coverage and Urban Amenity Mapping Using Computer...

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3rd International Conference on Image Processing and Vision Engineering, IMPROVE 2023

作者： Karkut, Nicholas Kiriluk, Alexey Zhang, Zihao Zhu, Zhigang Computer Science Department The City College of New York - CUNY New YorkNY10031 United States Graduate Landscape Architecture Program The City College of New York - CUNY New YorkNY10031 United States PhD Program in Computer Science The Graduate Center - CUNY New YorkNY10016 United States

ISBN: (纸本)9789897586422

This paper proposes a computer vision-based workflow that analyses Google 360-degree street views to understand the quality of urban spaces regarding vegetation coverage and accessibility of urban amenities such as benches. Image segmentation methods were utilized to produce an annotated image with the amount of vegetation, sky and street coloration. Two deep learning models were used -- Monodepth2 for depth detection and YoloV5 for object detection -- to create a 360-degree diagram of vegetation and benches at a given location. The automated workflow allows non-expert users like planners, designers, and communities to analyze and evaluate urban environments with Google Street Views. The workflow consists of three components: (1) user interface for location selection;(2) vegetation analysis, bench detection and depth estimation;and (3) visualization of vegetation coverage and amenities. The analysis and visualization could inform better urban design outcomes. © 2023 by SCITEPRESS – Science and Technology Publications, Lda.

关键词： Vegetation mapping

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The Impact of Greening Strategies on Temperature Reduction at Bus Stop Utilizing Computational Fluid Dynamics (Cfd) Analysis

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SSRN 2024年

作者： Kim, Na Youn Kim, Eun Sub Yun, Seokhwan Lee, Dong Kun Department of Landscape Architecture and Rural System Engineering Seoul National University Seoul08826 Korea Republic of Interdisciplinary Program in Landscape Architecture Seoul National University Seoul08826 Korea Republic of Integrated Major in Smart City Global Convergence Program Seoul National University Seoul08826 Korea Republic of Specialized Graduate School of Intelligent Eco-Science 4 Dept. of Landscape Architecture Seoul National University Seoul08826 Korea Republic of

This study analyzed the effectiveness of a vegetation strategy for mitigating heat within a bus stop shelter by implementing vegetation wind permeability and transpiration cooling processes using a computational fluid dynamics (CFD) simulation. In scenario 1, a pot-type vertical greening system (VGS) without wind permeability had no significant effect on temperature reduction in the bus stop shelter. In contrast, scenario 2, with a mesh VGS allowing wind permeability, resulted in an average temperature reduction of 0.16°C within the interior area of the bus stop shelter, accompanied by shelter improved ventilation. Scenario 3, which entailed the removal of the shelter and the planting of trees, resulted in the least reduction in wind speed and an average temperature reduction of 0.14°C in the bus waiting area. Scenario 2 demonstrated the most effective temperature reduction for interior and surrounding area of the bus stop. Considering the normal effective temperature (NET), Scenario 3 provided the lowest sensation temperature. This indicates that the improved ventilation in Scenario 3 had a substantial impact on NET. Considering the effects of the vegetation strategies proposed in this study, it is essential to select suitable strategies for heat mitigation in bus-stop shelters based on regional and spatial considerations. © 2024, The Authors. All rights reserved.

关键词： Computational fluid dynamics

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Modeling Supports the Implementation of Urban Greening as a Response to the Challenges of Sustainable Spatial Planning

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SSRN 2024年

作者： Kim, Eun Sub Lee, Dong Kun Hyun, Jung Hee Kim, Na Yeon Heo, Su Jeong Kim, Da Sle Interdisciplinary Program in Landscape Architecture Seoul National University Seoul08826 Korea Republic of Integrated Major in Smart City Global Convergence Program Seoul National University Seoul08826 Korea Republic of Specialized Graduate School of Intelligent Eco-Science 4 Dept. of Landscape Architecture Seoul National University Seoul08826 Korea Republic of Systemic Risk and Resilience Research Group Advancing Systems Analysis International Institute for Applied Systems Analysis Austria Department of Landscape Architecture and Rural System Engineering Seoul National University Seoul08826 Korea Republic of

Urban greening is a critical strategy for sustainable urban development, climate change mitigation, and biodiversity conservation. However, the effectiveness of urban greening varies depending on the specific goals (e.g., enhancing biodiversity, reducing urban heat, or both) and their spatial implementation. To address the spatial variability in the effectiveness of greening, we propose a spatial decision support model based on the non-dominated sorting genetic algorithm-II (NSGA-II). This model aims to optimize urban greening locations to maximize biomass density, mitigate urban heat stress, and simultaneously improve landscape connectivity. Applied to Suwon City, South Korea, the model's effectiveness was evaluated against a Business-As-Usual (BAU) scenario across four scenarios: Connectivity-based, Biomass density-based, Heat stress-based, and an Integrated-based scenario. The integrated approach, balancing trade-offs between ecological benefits and implementation costs, outperformed the BAU scenario by 8.84%. This outcome indicated of significant improvements in biomass density and landscape connectivity, despite highlighting a weaker correlation with heat stress mitigation. Our findings underscore the necessity of an integrated planning approach to urban greening, as it can contribute toward the attainment of urban development goals. Additionally, by proposing an app-based model for policymakers to utilize, our outputs should enable the reconciliation of multiple environmental objectives in urban landscapes. © 2024, The Authors. All rights reserved.

关键词： Climate change

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Modeling supports the implementation of urban greening as a response to the challenges of sustainable spatial planning

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Journal of Environmental Management 2025年 386卷 125648页

作者： Kim, Eun Sub Hyun, Jung Hee Kim, Na Yeon Heo, Su Jeong Kim, Da Seul Lee, Dong Kun Low-Carbon and Climate Impact Research Centre School of Energy and Environment City University of Hong Kong Tat Chee Ave Hong Kong Kowloon Tong China Systemic Risk and Resilience Research Group Advancing Systems Analysis International Institute for Applied Systems Analysis Austria Department of Landscape Architecture and Rural System Engineering Seoul National University Seoul08826 Korea Republic of Integrated Major in Smart City Global Convergence Program Seoul National University Seoul08826 Korea Republic of Forest Disaster & Environment Department National Institute of Forest Science Seoul Korea Republic of Interdisciplinary Program in Landscape Architecture Seoul National University Seoul08826 Korea Republic of Specialized Graduate School of Intelligent Eco-Science 4 Dept. of Landscape Architecture Seoul National University Seoul08826 Korea Republic of

Urban greening is critical for sustainable urban development, climate change mitigation, and biodiversity conservation. However, the effectiveness of urban greening varies depending on the specific goals (e.g., enhancing biodiversity, reducing urban heat, or both) and their spatial implementation. To address the spatial variability in the effectiveness of greening, we propose a spatial decision support model based on the non-dominated sorting genetic algorithm-II (NSGA-II). This model aims to optimize urban greening locations to maximize biomass density, mitigate urban heat stress, and improve landscape connectivity. Applied to Suwon City, South Korea, the model's effectiveness was evaluated against a business-as-usual (BAU) scenario across four scenarios: connectivity-based, biomass density-based, heat stress-based, and an integrated-based scenario. The integrated approach, balancing trade-offs between ecological benefits and implementation costs, outperformed the BAU scenario by 8.84 %. Despite highlighting a weaker correlation with heat stress mitigation, this outcome indicates significant improvements in biomass density and landscape connectivity. Our findings underscore the necessity of an integrated planning approach to urban greening, as it can contribute toward attaining urban development goals. Additionally, by proposing an app-based model for policymakers, our outputs should enable the reconciliation of multiple environmental objectives in urban landscapes. © 2025 Elsevier Ltd

关键词： Biotic

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Preservation of Nutmeg Tree (Myristica fragrans Houtt) used as Bogor's Local Culinary Ingredient for the Strengtheness of Urban landscape Identity 6

Preservation of Nutmeg Tree (Myristica fragrans Houtt) used ...

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6th International Conference of Jabodetabek Study Forum 2018

作者： Samantha, Remiya Nurhayati Syartinilia Magister Program of Landscape Architecture Graduate School IPB University Bogor16680 Indonesia Department of Landscape Architecture Faculty of Agriculture Ipb University Bogor16680 Indonesia

Nutmeg tree (Myristica fragrans) is Indonesian native tree species originating from Maluku Island, especially Ambon and Banda. The spread of nutmeg in Bogor area can be traced back to the Dutch colonial period when different kinds of spices were traded across the Indonesian archipelago and beyond. Having this long history, nutmeg is now widely used in Bogor's culinary. At the national level, it has high economic value and become one of Indonesia's main export products. However, there is little research on nutmeg tree spatial distribution. The objectives of the study were : (1) identify the nutmeg trees spatial distribution in Bogor city (2) mapping the existence and identification of nutmeg trees conditions and growing environment. This research was conducted Bogor City from February - May 2018. The data was obtained through direct interview, study field, and study literature. Data collection is determined based on the distribution of nutmeg trees in Bogor City, and extinct status based on study literature. Furtehermore, the existence of nutmeg trees in Bogor collected used purposive and snowball technique. The results showed that a total of 108 nutmeg trees were found in all sub-districts of Bogor city. These trees grow in a variety of areas such as green corridor, public park, agriculture farm, riverbanks, yard, office park, and cemetery. The results of this study can be used as the basis for determining the preservation strategy and area for nutmeg conservation in Bogor city. © 2020 Published under licence by IOP Publishing Ltd.

关键词： Spatial distribution

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Quantifying Outdoor Cooling Effects of Vertical Green System on Mean Radiant Temperature

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SSRN 2023年

作者： Kim, Eun Sub Yun, Seok Hwan Lee, Dong Kun Kim, Na Youn Piao, Zheng Gang Kim, Sang Hyuck Park, Seunghwan Interdisciplinary Program in Landscape Architecture Seoul National University Seoul08826 Korea Republic of Integrated Major in Smart City Global Convergence Program Seoul National University Seoul08826 Korea Republic of Specialized Graduate School of Intelligent Eco-Science 4 Dept. of Landscape Architecture Seoul National University Seoul08826 Korea Republic of Department of Landscape Architecture and Rural System Engineering Seoul National University Seoul08826 Korea Republic of Department of Building Energy Research Korea Institute of Civil Engineering and Building Technology Goyang10223 Korea Republic of

Vertical green systems (VGS) are expected to mitigate outdoor heat stress through a transpiration cooling effect. There is a lack of knowledge on how VGS influence outdoor thermal comfort, particularly focusing on energy flux. This study quantifies the outdoor cooling effects of VGS, and distinguishes the energy flux between them and outdoor urban spaces. In addition, we discuss their cooling efficiency. Outdoor experiments were conducted during the hot summer period on building facades in city. Our study on VGS focused on the measurement of climatic variables, surface temperatures of plant leaves (Fatsia japonica), net radiation, and estimating transpiration and evaporation. The surface temperature of VGS were up to 4.3 °C higher than those of high albedo walls, while the reflected radiations (short and long-wave radiation) were 120 w/m2 lower than albedo walls during the day. The mean radiant temperature (MRT) of VGS was 3.02 °C lower than the high albedo wall during daytime, except in the case of shaded areas (0.45 °C). We confirmed that the cooling efficiency of transpiration was 7.38 times more effective than evaporation from soil without plants. Therefore, VGS is efficient in terms of long-term heat reduction and can be an effective strategy to mitigate outdoor heat stress. © 2023, The Authors. All rights reserved.

关键词： Transpiration

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Nature-Based Solutions Can Potentially Contribute to Biomass Density, Heat Stress Mitigation, and Biodiversity

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SSRN 2023年

作者： Kim, Eun Sub Hyun, Jung Hee Kim, Na Yeon Heo, Su Jeong Kim, Shin Woo Kim, Da Sle Lee, Dong Kun Interdisciplinary Program in Landscape Architecture Seoul National University Seoul08826 Korea Republic of Integrated Major in Smart City Global Convergence Program Seoul National University Seoul08826 Korea Republic of Specialized Graduate School of Intelligent Eco-Science 4 Dept. of Landscape Architecture Seoul National University Seoul08826 Korea Republic of Systemic Risk and Resilience Research Group Advancing Systems Analysis International Institute for Applied Systems Analysis Austria Department of Landscape Architecture and Rural System Engineering Seoul National University Seoul08826 Korea Republic of

Nature-based solutions (NBS) are actions to protect, sustainably manage, or restore natural ecosystems. They are increasingly recognized worldwide as a key strategy for sustainable development, integrating climate change adaptation and mitigation and biodiversity conservation. NBS is fundamental to the quality of life of residents, and urban planning often includes strategies that are directly or indirectly related to greening. Although numerous studies have been conducted to quantitatively evaluate the benefits of NBS, analysis of the potential effect of NBS remains insufficient. Therefore, we developed a spatial decision-making support model that optimizes the location of NBS on multiple effects (biomass density, urban heat stress mitigation, and landscape connectivity) using a Non-Sorting dominated Genetic Algorithm-II (NSGA-II). Potential was assessed by comparing the NBS plan considering co-benefits with NBS strategy scenarios focused on individual objectives connectivity, biomass density, heat stress based scenario(CBS, BBS, and HBS). The model was applied to Suwon City, South Korea, demonstrating the potential of an integrated approach to maximize co-benefits simultaneously. The analysis revealed a trade-off between NBS benefits and implementation costs, with performance improvement in one objective often leading to decreased performance in others. Correlation analysis revealed significant positive correlations among the three objectives, with heat stress showing the lowest correlation. Simulations under four distinct scenarios highlighted the diverse potential arrangements of NBS and their effects. An integrated strategy demonstrated a consistently high overall value (a 221% improvement), which proved to be the most efficient approach when considering all aspects collectively. This study underscores the potential benefits of integrating multiple objectives into urban green space planning, thereby providing valuable insights for sustainable urban development.

关键词： Biodiversity

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