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Assessing the Carrying Capacity of Tourist Resorts: An Application of Tourists’ Spatial Behavior Simulator Based on GIS and Multi-Agent System 被引量:2
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作者 ZHANG Ren-jun 1,2 1. Institute of Mountain Hazards and Environment, Chinese Academy of Sciences, Chengdu 610041, Sichuan, China 2. Graduated School of the Chinese Academy of Sciences, Beijing 100039, China 《Wuhan University Journal of Natural Sciences》 EI CAS 2005年第4期779-784,共6页
Based on the study of visitors' individual spatial behaviors, a tourists'spatial behavior simulator (TSBS) to assess the carrying capacity of tourist resorts was developed,TSBS employs GIS (Geographic Informat... Based on the study of visitors' individual spatial behaviors, a tourists'spatial behavior simulator (TSBS) to assess the carrying capacity of tourist resorts was developed,TSBS employs GIS (Geographic Information System) to manage the spatial data,and Multi-Agent systemto simulate the actions of individual visitors. By utilizing TSBS, visitors' travel patterns such aslocation, cost, and state can be analyzed and predicted. Based on this analysis and prediction, themodel of assessing the carrying capacity of resorts is built. Our results show that TSBS will be aneffective tool to accurately assess the carrying capacity of tourist resorts. 展开更多
关键词 tourist resort carrying capacity TSBS GIS MULTI-AGENT SIMULATOR
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Development of a Comparison Based Hotel and Resort Booking System in Bangladesh
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作者 Md. Sajjad Mahmud Khan Sajjad Kashem Mohammad Monirujjaman Khan 《Journal of Software Engineering and Applications》 2021年第5期133-149,共17页
<span style="font-family:Verdana;">With the rise of population and the industrial revolution, it is obvious that hotels and resorts are increasing drastically day by day. In the 21st century, tourism i... <span style="font-family:Verdana;">With the rise of population and the industrial revolution, it is obvious that hotels and resorts are increasing drastically day by day. In the 21st century, tourism is a trend. Everyone loves to travel and the reasons vary from person to person. Whether it is to have a cheerful and peaceful mind and place or business purposes, either way, hotels and resorts actually doing their jobs very well. This, tourism is a promising sector for any country and Bangladesh is no different. But the problem is we have to do the hotel booking and reservation manually most of the time. Sometimes it is too troublesome and knowing about the suitable hotels and resorts is too difficult. Though there are some online platforms available, they are not our country-oriented such as the payment system is not preferable for us. To solve this problem Vhromon is developed, a comparison-based hotel and resort booking system where anyone can book a hotel or resort by just login from the internet. Vhromon is an interactive online platform and it is user-friendly and easy to get like most of the platforms available nowadays. But they do not have all the hotels and resorts enlisted, only the well-known ones. On the other hand, Vhromon has everything enlisted where customers can compare them and can choose the right one for them. Furthermore, this system has a vendor panel where any hotel or resort owner can add their hotel or resort easily without any hassle, unlike the existing one.</span> 展开更多
关键词 Hotel Booking Hotel Comparison resort Booking resort Comparison Hotel Search Hotel Reviews resort Search resort Reviews Hotel Ratings resort Ratings
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Coupling Analysis of Tourism Development and Rural Revitalization in Yannanfei Tea Field Resort of Guangdong Province
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作者 CHEN Haiming LIU Jun +4 位作者 ZENG Ziye FENG Jinhuan WU Xinyi WU Zhuohua CHEN Yiyu 《Journal of Landscape Research》 2023年第6期55-58,64,共5页
By deconstructing the dimensions of rural tourism and rural revitalization and constructing a coupled conceptual model,a coupled evaluation model is constructed.Yannanfei Tea Field Resort in Guangdong is taken as a re... By deconstructing the dimensions of rural tourism and rural revitalization and constructing a coupled conceptual model,a coupled evaluation model is constructed.Yannanfei Tea Field Resort in Guangdong is taken as a research case for empirical analysis,to explore the coupled development trend of the two.The results show that①the tourism development of Guangdong Yannanfei Tea Field Resort has a good synergistic relationship with rural revitalization.The two complement and promote each other,and rural tourism has significantly promoted the development of rural revitalization.②The coupling development of tourism development and rural revitalization in Guangdong Yannanfei Tea Field Resort is divided into coupling imbalance period and coupling coordination period.The results indicate that the coordination between the two has not yet reached a level of good coordination and high-quality coordination.It is recommended that the resort should fully utilize the opportunity of rural revitalization strategy,increase investment in rural tourism,promote the transformation and upgrading of the resort,impel the integration of tea and tourism,and develop new business model of tea-tourism rural vacation. 展开更多
关键词 Guangdong Yannanfei Tea Field resort Coupling analysis Rural revitalization
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Corporate Social Responsibility Perception and Happiness of Employees:Evidence From Disney Resort in China
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作者 TSAI Meng-ying HSU Wan-chi WANG En-tong 《Psychology Research》 2023年第10期469-475,共7页
In recent years,many scholars have discussed good corporate culture,such as corporate social responsibility.The study investigates the relationship between employee perceptions of corporate social responsibility(CSR)a... In recent years,many scholars have discussed good corporate culture,such as corporate social responsibility.The study investigates the relationship between employee perceptions of corporate social responsibility(CSR)and happiness in China’s resort industry.Four types of corporate social responsibilities are economic,legal,ethical,and discretionary.The study is an empirical study conducted to survey full-time workers who are working in Disney Resort,China.257 effective samples have been collected.The result implicated that the Disney Resort employees’corporate social responsibility perception positively affects happiness.Economic,legal,ethical,and discretionary responsibility all positively affect happiness. 展开更多
关键词 corporate social responsibility perception HAPPINESS resort industry
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刑法谦抑性的系统论考察 被引量:2
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作者 刘涛 《政治与法律》 北大核心 2024年第3期103-115,共13页
刑法谦抑原则建立在法律对政治权力的有效抑制的理论基础以及刑法系统功能分出的社会基础上。刑法谦抑成为刑法系统自我指涉与外部指涉的沟通语义结构,为国家暴力的正当化使用提供必要条件。刑法谦抑的“话语—制度”构建,推动了政治系... 刑法谦抑原则建立在法律对政治权力的有效抑制的理论基础以及刑法系统功能分出的社会基础上。刑法谦抑成为刑法系统自我指涉与外部指涉的沟通语义结构,为国家暴力的正当化使用提供必要条件。刑法谦抑的“话语—制度”构建,推动了政治系统与刑法系统结构上的耦合机制。暴力适用的合法化(政治权力运作)与个体权利保护(刑法规范运作)并不矛盾,权利与权力具有共生特点。面对当代社会中系统与系统性危害的不断涌现,刑法的适用范围有所扩张,且这种扩张具有正当性。不能将刑法谦抑原则仅仅限定为刑法系统对政治权力决策的外部指涉。借助社会沟通的无主体属性,将刑法谦抑理论视为识别社会诸领域危害的语义结构,这与传统行为主义刑法观下的规范理论具有显著区别。这种路径并不意味着放弃行为概念,而是用功能主义去改造刑法谦抑原则的实质内涵,推动个体权利体系的更新,创造系统沟通连接新的可能性。 展开更多
关键词 刑法谦抑 社会系统论 沟通连接 沟通媒介 刑法功能主义
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省级避暑旅游目的地评价指标体系的构建研究
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作者 赵珊珊 叶殿秀 +1 位作者 肖潺 李莹 《气象与环境学报》 2024年第1期97-104,共8页
依据避暑旅游目的地内涵和特点,从避暑气候禀赋、气候不利条件、生态环境、旅游基础和发展潜力4个维度构建了省级避暑旅游目的地评价指标体系。利用1991—2020年夏季(6—8月)中国黄河下游以南地区气象观测站点资料,基于该指标体系评价... 依据避暑旅游目的地内涵和特点,从避暑气候禀赋、气候不利条件、生态环境、旅游基础和发展潜力4个维度构建了省级避暑旅游目的地评价指标体系。利用1991—2020年夏季(6—8月)中国黄河下游以南地区气象观测站点资料,基于该指标体系评价了14个省(区、市)发展避暑旅游目的地的潜在优势地区。避暑气候禀赋优良是避暑旅游目的地的首要条件,避暑气候禀赋采用气温、风、湿度、降水、人体舒适度和度假气候指数等要素。气候不利条件影响低是避暑旅游顺利开展的保障。采用高温、强降水、大风和强对流等影响夏季避暑旅游的高影响天气反映气候不利条件。空气质量、水质和植被状况反映避暑旅游目的地生态环境,旅游资源丰富度、交通便利性、地方荣誉、未来规划等要素反映避暑旅游目的地的基础能力和发展潜力。结果表明:14个省(区、市)的避暑气候禀赋和气候不利条件的指标阈值受气候系统和地形等因素影响存在空间差异。潜在避暑旅游目的地站点数占总站数的比例为10.5%,主要分布在本省(区、市)海拔相对较高地区,而海拔高度普遍较低的江苏和山东,则主要分布在江苏东北部沿海地区和山东半岛东部。研究成果可为省(区、市)为单元开展避暑旅游目的地的客观评价以及发展策略提供科学参考。 展开更多
关键词 避暑旅游 人体舒适度指数 度假气候指数 评价指标体系
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Polio in Gaza:Another disastrous outcome of the Gaza conflict,2023-2024
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作者 Zuhair Dardona Mounia Amane Samia Boussaa 《Asian Pacific Journal of Tropical Medicine》 SCIE CAS 2024年第9期381-383,共3页
On October 7th,2023,a devastating conflict erupted between Gaza and Israel,causing around 40000 deaths and over 90000 injuries.The war has displaced more than 1.9 million people,who now live in overcrowded tent camps ... On October 7th,2023,a devastating conflict erupted between Gaza and Israel,causing around 40000 deaths and over 90000 injuries.The war has displaced more than 1.9 million people,who now live in overcrowded tent camps facing severe shortages of clean water,sanitation,fuel,electricity,and food.Many rely on international aid and resort to unsafe methods for basic needs[1].The Gaza Strip,a tiny coastal area of just 365 square kilometers with 2.3 million residents,is one of the world's most densely populated regions.Already burdened by inadequate infrastructure,the ongoing war has worsened conditions,caused the collapse of sewage and water systems and severely disrupted daily life.This devastation has created a breeding ground for infectious diseases,especially among the displaced people living in overcrowded camps[2,3]. 展开更多
关键词 INJURIES Israel resort
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基于GIS与Multi-Agent System的景区游客空间行为模拟系统 被引量:20
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作者 张仁军 《四川师范大学学报(自然科学版)》 CAS CSCD 北大核心 2006年第4期495-498,共4页
基于G IS与Mu lti-Agent system技术的景区游客空间行为模拟系统(Tourists’Spatial Behavior S im-u lator,TSBS),可以对游客在景区的空间移动行为进行微观仿真,实现对景区每个游客的空间位置、行为状态变化的跟踪分析.TSBS构造众多具... 基于G IS与Mu lti-Agent system技术的景区游客空间行为模拟系统(Tourists’Spatial Behavior S im-u lator,TSBS),可以对游客在景区的空间移动行为进行微观仿真,实现对景区每个游客的空间位置、行为状态变化的跟踪分析.TSBS构造众多具有与游客同样环境感知能力、目标选择模式、行为决策模式的Agent,模拟游客空间行为,用“路段”、“道”、“节点”、“片区”对景区环境进行表达.TSBS由虚拟时钟控制,时钟每增加一个步长,系统计算所有Agent下一时刻的状态,计算结果存入Agent状态数据库.TSBS同时提供了指标分析、可视化分析等工具实现对模拟结果的分析.TSBS采用server/c lient的计算模式,可以将局域网甚至Internet作为其计算平台.研究表明,TSBS可以作为景区规划与管理的有效工具. 展开更多
关键词 GIS MULTI—AGENT system 空间行为 游客 景区 模拟
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Man-made Obstacles and Solving Countermeasures to Enjoy Beautiful Scenery of the Summer Resort
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作者 田月梅 张福 +1 位作者 付江峰 马显才 《Journal of Landscape Research》 2009年第1期71-74,共4页
Chengde Mountain Resort and its outlying temples are the world's cultural heritage with a high value of appreciation and research in aesthetics.Man-made obstacles and its causes for enjoying beautiful scenery of t... Chengde Mountain Resort and its outlying temples are the world's cultural heritage with a high value of appreciation and research in aesthetics.Man-made obstacles and its causes for enjoying beautiful scenery of the Resort were analyzed from an aesthetic view in this study,and the solving countermeasures were also proposed. 展开更多
关键词 MOUNTAIN resort APPRECIATION COUNTERMEASURES
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Eco-consciousness and Benefit Study on the Gardening of Chengde Imperial Summer Resort
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作者 刘海顺 刘树杰 王小玲 《Journal of Landscape Research》 2009年第4期56-59,共4页
Based on the introduction about the gardening conception,layout and method of Chengde Imperial Summer Resort,this study analyzed the eco-consciousness in the gardening and the landscape benefits,ecological benefits,so... Based on the introduction about the gardening conception,layout and method of Chengde Imperial Summer Resort,this study analyzed the eco-consciousness in the gardening and the landscape benefits,ecological benefits,social benefits and economic benefits it has generated. 展开更多
关键词 Chengde Imperial Summer resort GARDENING ECOLOGICAL GARDEN Benefits of ECOLOGICAL GARDEN
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甘露山文创城冰雪综合体冷区保温系统设计及施工技术
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作者 段伟 王思敏 +2 位作者 黄昕 石峰 程小琴 《施工技术(中英文)》 CAS 2024年第14期14-18,30,共6页
室内滑雪场为一种高能耗建筑,若设计不合理或施工方法不当,会加重雪场运营时制冷设备负荷,从而增加运营成本。以甘露山文创城冰雪综合体为工程背景,对冷区保温系统设计方案进行比选并对其构造进行深化设计,提出高效的室内运输解决方案,... 室内滑雪场为一种高能耗建筑,若设计不合理或施工方法不当,会加重雪场运营时制冷设备负荷,从而增加运营成本。以甘露山文创城冰雪综合体为工程背景,对冷区保温系统设计方案进行比选并对其构造进行深化设计,提出高效的室内运输解决方案,总结保温系统施工要点。实践表明,该保温系统在实际工程中应用效果良好。 展开更多
关键词 滑雪场 保温系统 构造 设计 施工技术
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Analysis of the Development Mode Evolution of Holiday Resorts in Suburban Areas of Beijing City
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作者 赵明 袁书琪 《Journal of Landscape Research》 2009年第10期89-93,98,共6页
To study the investment activities of tourism developers in suburban tourism destinations of metropolis.421 holiday resorts around Beijing City are selected to study the evolution process of their economic types and d... To study the investment activities of tourism developers in suburban tourism destinations of metropolis.421 holiday resorts around Beijing City are selected to study the evolution process of their economic types and development modes.The results show that the development mode of holiday resorts in suburban Beijing is guided by state investment,collectively operated by rural residents,and supplemented by private or other investment types. 展开更多
关键词 HOLIDAY resortS ECONOMIC type Development MODE BEIJING
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Development and Significance of Cave Dwelling Resort on the Loess Plateau
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作者 李明 孙庆珍 《Journal of Landscape Research》 2011年第5期92-95,99,共5页
Relevant ecotourism theories were applied to further investigate the mushrooming cave dwelling resorts on the Loess Plateau.By introducing the present development of cave dwelling settlements in the study area,types o... Relevant ecotourism theories were applied to further investigate the mushrooming cave dwelling resorts on the Loess Plateau.By introducing the present development of cave dwelling settlements in the study area,types of cave dwelling resort was summarized:historic cave dwelling resort based on high cultural value,artistic value and aesthetic value;cave dwelling resort characterized by primitive folk customs;cave hotel showing folk house features of the Loess Plateau.Luochuan Resort of the Loess Folk Customs,Miaoshang Resort of Sanmenxia,Stone Cave Hotel of Yangjialing in Yan'an were respectively studied to analyze features and development conditions of cave dwelling resort,on the basis of which development principles and countermeasures were discussed.The orientation of cave dwelling resort on the Loess Plateau should be determined first,sustainability and accountability of ecotourism should be followed.Finally,the significance of cave dwelling resort for promoting local economic development,enhancing the rational utilization of natural resources,protecting and developing traditional settlements of cave dwellings was given. 展开更多
关键词 CAVE DWELLING resort ECOTOURISM SIGNIFICANCE
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Evaluation of Tourist's Satisfaction Degree of Dongda Hot Spring Resort Area in Xi'an City
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作者 同勤学 杨瑞 《Journal of Landscape Research》 2009年第9期69-73,共5页
Tourist's satisfaction degree is one of the important indexes to evaluate the service quality of scenic spot.Taking Xi'an Dongda Hot Spring Resort Area for an example,with the expectation difference theory and... Tourist's satisfaction degree is one of the important indexes to evaluate the service quality of scenic spot.Taking Xi'an Dongda Hot Spring Resort Area for an example,with the expectation difference theory and customers' satisfaction evaluation model as the theoretical basis of the research,the overall satisfaction degree of tourists to hot spring resort area,and the actual sensation accomplishments and the expectation difference of each service index were analyzed by using regression analysis and paired sample t test method.The results showed:① The overall satisfaction degree of tourists to the resort area was higher.There were remarkable correlation among three variables:the sensation value,the overall satisfaction degree,and the tourist's loyalty degree;② Generally,the sensation actual accomplishments of 15 service appraisal factors were higher than the expectation value.According to the characteristics,these 15 service appraisal factors were divided into 5 groups.Some unsatisfactory aspects were found out,and the corrective measures were put forward. 展开更多
关键词 Hot Spring resort Area Tourists’ SATISFACTION degree EXPECTATION SENSATION value SENSATION actual accomplishments
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The Ice-Snow Industry Heated Up the Winter
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作者 Lily Wang 《China's Foreign Trade》 2024年第1期55-56,共2页
This winter witnessed the popularity of cities in Northeast China,especially Harbin.People’s enthusiasm for the ice and snow grew,and more and more people started to focus on and engage in the ice-snow industry.At th... This winter witnessed the popularity of cities in Northeast China,especially Harbin.People’s enthusiasm for the ice and snow grew,and more and more people started to focus on and engage in the ice-snow industry.At the ski resort,skiing enthusiasts from all over the country wear goggles and sprint down slopes on their snowboards. 展开更多
关键词 resort NORTHEAST WINTER
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排队管理在酒店行业的运用——以澳洲Couran Cove Island Resort为例 被引量:1
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作者 曾真 《现代商业》 2015年第35期16-17,共2页
现今,消费者最为关注的是时间,他们不愿意花过长的时间去等待。因此,在服务行业,排队管理被认为是体现服务质量最重要的部分之一。在本文中,对排队管理的理论研究将基于前人的一些研究理论,包括:心理方面、队列间的关系、服务质量和成... 现今,消费者最为关注的是时间,他们不愿意花过长的时间去等待。因此,在服务行业,排队管理被认为是体现服务质量最重要的部分之一。在本文中,对排队管理的理论研究将基于前人的一些研究理论,包括:心理方面、队列间的关系、服务质量和成本。同时,在理论研究的基础上,将通过实际案例澳洲Couran Cove Island Resort来分析排队管理在酒店行业的运用。通过在Couran Cove Island Resort工作期间的观察,笔者发现排队时间的问题在餐厅就餐和前台入住高峰期显得尤为突出。因此,基于对理论的研究,笔者将会提出实质性的建议来帮助酒店缓解一定程度上的问题,例如:如何进行菜单管理、如何在客人等候服务的过程中分散客人注意力、如何说服顾客在非高峰期时使用服务和如何提升客人对酒店的感知价值和服务。最后,通过理论和实践的研究,笔者将会阐明排队管理的操作将会直接影响到企业当前和回报的业务。 展开更多
关键词 排队论 酒店业 澳洲Couran Cove ISLAND resort
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耀雪冰雪世界滑雪场金属屋面施工工艺研究
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作者 严茗辉 《建筑施工》 2024年第1期78-80,共3页
依托耀雪冰雪世界滑雪场项目的金属屋面施工实践,主要以屋面围护系统的构造做法及类型为基础,重点介绍屋面天沟系统、上表面铝镁锰合金直立锁边屋面板系统、屋面集成保温体系的构造形式以及施工工艺,可为对屋面保温体系性能有较高要求... 依托耀雪冰雪世界滑雪场项目的金属屋面施工实践,主要以屋面围护系统的构造做法及类型为基础,重点介绍屋面天沟系统、上表面铝镁锰合金直立锁边屋面板系统、屋面集成保温体系的构造形式以及施工工艺,可为对屋面保温体系性能有较高要求的类似项目提供借鉴。 展开更多
关键词 滑雪场 金属屋面 天沟系统 施工工艺
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On the Problems and Strategies in Chinese-English Translation of Public Signs in Scenic Resorts
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作者 相燕 《International English Education Research》 2015年第10期112-113,共2页
More and more foreigners come to China on business or for a tour, which makes the translation of public signs important and necessary. Focused on the public sign in scenic resorts, this article briefly gives a short p... More and more foreigners come to China on business or for a tour, which makes the translation of public signs important and necessary. Focused on the public sign in scenic resorts, this article briefly gives a short presentation for the present study status; and the errors in the translation of signs are set forth from the viewpoint of three rules of Skopostheorie. Some suggestions are proposed to make a further study of public signs with a wide scope of examples. 展开更多
关键词 Scenic resorts Public Signs Skopostheorie
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避暑山庄内外水系变迁成因探究
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作者 曹盼 汤佳 +1 位作者 周晨 胡希军 《风景园林》 北大核心 2024年第4期111-117,共7页
【目的】避暑山庄作为当今存世的最大皇家园林,因经典的自然山水营构而享有盛誉。自1703年始建至1911年清朝覆灭,避暑山庄内外水系面貌发生了剧烈的变化,然而水系变迁成因尚缺乏全面而深入的探究。【方法】梳理避暑山庄肇建后200余年间... 【目的】避暑山庄作为当今存世的最大皇家园林,因经典的自然山水营构而享有盛誉。自1703年始建至1911年清朝覆灭,避暑山庄内外水系面貌发生了剧烈的变化,然而水系变迁成因尚缺乏全面而深入的探究。【方法】梳理避暑山庄肇建后200余年间的水系面貌变迁历程,利用史料梳理论证与量化计算佐证相结合的方法,聚焦避暑山庄内外水系营建的历史过程,分析山庄引水工程、扩湖工程及河工制度存废对于水系带来的反向制约影响;以历史图档、文档记载为基础,以20世纪80年代最早期的土地利用/土地覆盖遥感监测数据及同时期的承德地区土壤流失情况为依据,从流域层面探讨了武烈河河道泥沙的来源问题。【结果】避暑山庄肇建之初设定的引水点为河流交汇口区域,频繁的河相变化增加了山庄引水困难;康熙朝施行的扩湖工程,使得山庄东侧的武烈河行洪断面缩减超过50%;围绕避暑山庄展开的“旱河岁修”“河湖清挖”“大河岁修”等制度的订立、完善与废弃历程耦合着山庄内外水系急剧变迁的过程;清晚期以来,武烈河流域内土地滥垦日益严重,1980年流域内的坡耕地产生的土壤流失总量(1025422.30 t)与同时期武烈河流域年平均输沙量(1070000.00 t)接近。【结论】避暑山庄的水系营建工程虽然造就了经典的水景观,但也助推了山庄水系的消退,而晚清以来武烈河流域内坡耕地过垦所带来的水土流失问题,则是造成避暑山庄内外水系变迁的最关键性因素。避暑山庄内外水系变迁成因的历时性考察,是景观遗产多元价值识别的前提,也是挖掘、培育生态智慧的必由之路。 展开更多
关键词 皇家园林 水系营建 水土流失 避暑山庄 武烈河流域
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二氧化碳制冷剂在室内滑雪场中的应用
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作者 王鹏 孙建军 +2 位作者 赵险峰 孙天慧 李坤 《冷藏技术》 2024年第2期58-62,83,共6页
二氧化碳制冷系统在北京冬奥会冰上项目场馆中大量应用,同时也逐渐在商用性质的室内滑雪场中推广使用,本文介绍了二氧化碳制冷剂在室内滑雪场中常见的应用方法及一些节能手段,并对比了目前使用最为广泛的二氧化碳间接制冷系统与乙二醇... 二氧化碳制冷系统在北京冬奥会冰上项目场馆中大量应用,同时也逐渐在商用性质的室内滑雪场中推广使用,本文介绍了二氧化碳制冷剂在室内滑雪场中常见的应用方法及一些节能手段,并对比了目前使用最为广泛的二氧化碳间接制冷系统与乙二醇间接制冷系统的能耗情况,发现在相同工况下,二氧化碳间接制冷系统与乙二醇间接制冷系统对比,在制冷机房侧的能耗降低了20.31%,且二氧化碳间接制冷系统对比卤代烃直接制冷系统,能有效降低传统卤代烃类冷剂的使用,以减少对臭氧层的破坏并大大降低高GWP值温室气体向大气中的排放。 展开更多
关键词 二氧化碳 制冷系统 室内滑雪场 节能 环保
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