Glorious Property Holdings Limited 囱 盛 地 產 控 股 有 限
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Spatiotemporal Patterns of Carbon Emissions and Taxi Travel Using GPS Data in Beijing
energies Article Spatiotemporal Patterns of Carbon Emissions and Taxi Travel Using GPS Data in Beijing Jinlei Zhang 1, Feng Chen 1,2, Zijia Wang 1,* ID , Rui Wang 1 and Shunwei Shi 1 1 School of Civil and Architectural Engineering, Beijing Jiaotong University, No.3 Shangyuancun, Haidian District, Beijing 100044, China; [email protected] (J.Z.); [email protected] (F.C.); [email protected] (R.W.); [email protected] (S.S.) 2 Beijing Engineering and Technology Research Center of Rail Transit Line Safety and Disaster Prevention, No.3 Shangyuancun, Haidian District, Beijing 100044, China * Correspondence: [email protected]; Tel.: +86-010-5168-8070 Received: 21 December 2017; Accepted: 19 February 2018; Published: 27 February 2018 Abstract: Taxis are significant contributors to carbon dioxide emissions due to their frequent usage, yet current research into taxi carbon emissions is insufficient. Emerging data sources and big data–mining techniques enable analysis of carbon emissions, which contributes to their reduction and the promotion of low-carbon societies. This study uses taxi GPS data to reconstruct taxi trajectories in Beijing. We then use the carbon emission calculation model based on a taxi fuel consumption algorithm and the carbon dioxide emission factor to calculate emissions and apply a visualization method called kernel density analysis to obtain the dynamic spatiotemporal distribution of carbon emissions. Total carbon emissions show substantial temporal variations during the day, with maximum values from 10:00–11:00 (57.53 t), which is seven times the minimum value of 7.43 t (from 03:00–04:00). Carbon emissions per kilometer at the network level are steady throughout the day (0.2 kg/km). -
Underground Space As a Connector
ARCHITECTURE DEPARTMENT CHINESE UNIVERSITY OF HONG KONG MASTER OF ARCHITECTURE PROGRAMME 2010-2011 DESIGN REPORT NEW MOBILITY HUB IN BEIJING UNDERGROUND SPACE AS A CONNECTOR SHEKWai Ling, Sophy May 2011 \ r 00 Thesis Statement 01 Background Study 02 Site Analysis 03 Underground Space 04 Design Strategy & Development i Thesis Statement The fast urbanization and urban sprawl in Beijing causes problematic conditions in many areas of city. The south-east area is a representative case for this development. To cope with the problem of increased traffic congestion and emission in Beijing, the government has planned to expand the subway system to cover most parts of the city and aiming at a 1km node-to-node walking distance within the 3rd ring road area by 2020, in order to encourage citizens to use public transport rather than automobiles and develop a more sustainable life- style. In addition to the subway system, the government has planned underground networks as an alternative way to ease ground traffic congestion and land use tensions in downtown areas. Along with the Beijing Government's emphasis on the subway system and underground space development, a new subway station will be built in Nanmofang in the east part of the capital bringing new opportunities to this area, south of the extending CBD. This thesis attempts to connect an increasingly fragmented urban fabric through the introduction of an underground space network. The underground space network provides a large flexibility to link different destinations directly by the all weather pedestrian connections and helps to reconnect Beijing's urban blocks divided by the large street grid for vehicular traffic. -
14 Guangzhou R&F Properties Co., Ltd
14 GUANGZHOU R&F PROPERTIES CO., LTD. Annual Report 2005 precise Market Positioning, satisfying customers’ needs GUANGZHOU R&F PROPERTIES CO., LTD. Annual Report 2005 15 R&F Property廣州 物業一覽 in China Heilongjiang Jilin Beijing Liaoning Xinjiang Neimenggu Hebai Tianjin Ningxia Shanxi Shandong Qinghai Gansu Xian Jiangsu Henan Shaanxi Tibet Anhui Hubei Sichuan Chongqing Zhejiang Shanghai Hunan Jiangxi Guizhou Fujian Guangzhou Yunnan Taiwan Guangxi Guangdong Hong Kong Macau Hainan No. of Project Land Bank Location under development Total GFA as at 14 March 2006 (sq. m.) (sq. m.) Guangzhou 11 1,143,000 4,128,000 Beijing 4 870,000 3,080,000 Tianjin 1 318,000 926,000 Xian 1 140,000 980,000 Chongqing 0 0 230,000 16 GUANGZHOU R&F PROPERTIES CO., LTD. Annual Report 2005 Business Review Overview of the PRC Property Market In 2005, China’s economy continued its rapid growth. The gross domestic product (“GDP”) in the People’s Republic of China (the “PRC”or “China”) reached RMB18,232.1 billion, which was a 9.9% surge over the previous year, while per capita disposable income of urban residents in cities and towns recorded a growth of 9.6%. The continuing growth in China’s economy and the rise in the disposable income of its citizens will inevitably lead to a higher demand for quality housing. During the year under review, the Chinese Govern- ment implemented a series of macro economic mea- sures to counter act the overheated property market. These macro economic measures have helped stabi- lized market conditions and in the long run are ex- pected to create a more balanced supply and demand situation and a healthier development of the prop- erty market. -
The Systematic Evolution of Beijing: a Human Ecology Perspective
Research Article Int J Environ Sci Nat Res Volume 23 Issue 4 - March 2020 Copyright © All rights are reserved by Lachang Lyu DOI: 10.19080/IJESNR.2020.23.556121 The Systematic Evolution of Beijing: A Human Ecology Perspective Lachang Lyu1* and Richard Greene2 1College of Resource, Environment and Tourism, Capital Normal University, China 2College of Geospatial Information Science and Technology, Capital Normal University, China Submission: Published: rd *Corresponding February author: 17, 2020; March 04, 2020 Lachang Lyu, College of Resource Environment and Tourism, Capital Normal University, No. 105 West 3 Ring Road North, Haidian District, Beijing, 10004, China Abstract Megacity sprawl is an international phenomenon and Chinese megacities have been especially exposed to rapid sprawl since reform and the opening-up policy in the year of 1978. As the political, cultural, and international communication center of China, Beijing has witnessed a morphological transition that demonstrates typical aspects of this megacity sprawl. Though the morphological changes have been investigated by a number of scholars, emerging changes and new high resolution multi temporal global urban land data allow for a more systematic investigation that results in an evolutionary model that uncovers the urban form dynamics of megacity sprawl. In this paper, we examine the Beijing morphological evolutionary process and the geographic direction of intra-urban sprawl with the use of a new global urban land database obvious periodic sequences ranging from compact to a more loosely-shaped form but also triangular in some cases and rectangular in other cases that utilized an extensive number of LANDSAT images for five-year periods from 1980-2015. -
Journal of Cleaner Production 206 (2019) 688E700
Journal of Cleaner Production 206 (2019) 688e700 Contents lists available at ScienceDirect Journal of Cleaner Production journal homepage: www.elsevier.com/locate/jclepro Emission pattern mining based on taxi trajectory data in Beijing * Tingting Li a, , Jianping Wu a, Anrong Dang b, Lyuchao Liao a, Ming Xu a a Department of Civil Engineering, Tsinghua University, Beijing, 100084, China b School of Architecture, Tsinghua University, 100084, China article info abstract Article history: Traffic-related air pollution has been one of the major environmental problems in China. It is urgent to Received 20 June 2017 explore the urban traffic emission patterns for the low-carbon urban planning and traffic management. Received in revised form With this purpose, a new urban traffic emission analysis model is proposed in this paper. The traffic 9 August 2018 analysis zones (TAZs) are treated as the analysis unit. Then the spatial and temporal dynamic emission Accepted 7 September 2018 patterns are studied based on taxi GPS data in Beijing. The whole urban area of Beijing is divided into 33 Available online 18 September 2018 TAZs depending on the feature of road networks. And the trip patterns of TAZs are extracted. The instantaneous emissions of CO , NOx, VOC and PM within and between TAZs are estimated. The re- Keywords: 2 Data mining lationships between emissions and road densities are studied. The results demonstrated that (1) the Traffic analysis zone highest taxi trips during the day occur at 10:00, 16:00 and 20:00. (2) The variations of the 4 pollutants Emission pattern within and between TAZs are similar. -
Uillage Uillage Uillage
UILLAGE UILLAGE UILLAGE RETHINKING URBAN VILLAGE IN BEIJING EXPLORING STRATEGIES FOR INFRASTRUCTURE AND PUBLIC SPACE, STRENGTHENING COMMUNITY LIFE WHAT IS URBAN VILLAGE IN CHINA? [URBAN VILLAGE] [INFRASTRUCTURE] [PUBLIC SPACE] [COMMUNITY LIFE] Master Thesis Jian Zhou Supervisors: Ana Betancour, Flavia Cozma, Jaime Montes, Master's programme in Sustainable Urban Planning and Design Kungliga Tekniska högskolan June 3rd, 2014 UILLAGE WHAT IS URBAN VILLAGE IN CHINA? ILLAGE U -Commonly seen on outskirts and the downtown of Chinese megacities -Surrounded by modern urban structure -A unique phenomenon during China’s urbanization -Inhabitants: the poor and transient, manual laborers -Space: super densified, infrastructure+space+social problems -Services for the city, -Cheap living cost for new comers UILLAGE FROM RURAL VILLAGE TO URBAN VILLAGE UILLAGE RURAL VILLAGES IN 40 YEARS AGO: URBAN VILLAGE: BROADENED INFRASTRUCTURE, FARMLAND, STREET SYSTEM, PUBLIC SPACE INVADED FRINGES, COMPRESSED PUBLIC SPACE Source for description of urban village’s formation process: Mapping of urban villages in China. Zhengdong Huang, Qingming Zhan. School of Urban Design, Wuhan University Source for description of urban village’s formation process: Mapping of urban villages in China. Zhengdong Huang, Qingming Zhan. School of Urban Design, Wuhan University ORIGINAL RESIDENTIAL HOUSING FARMLAND TRAFFIC ROADS ORIGINAL RESIDENTIAL HOUSING AFTERWARDS DENSIFIED HOUSING ROUTES: WALKING, SMALL VEHICLES MAIN PUBLIC SPACE NODES SKYSCRAPERS MODERN RESIDENTIAL BUILDING WITH 6-8 -
Bejing Photo-Essay, September 2019, by Elly
Bejing photo-essay, September 2019, by Elly View from my window: 4th Ring Road (on the right) and Olympic area (straight ahead) I was invited by a former visiting scholar at ASU to come to Beijing for a month, to teach syntax at the University of Science and Technology, Beijing (USTB). My students were amazingly dedicated and asked so many good questions: I really loved their enthusiasm! My host made life very enjoyable and the experience truly amazing; she and wonderful students showed me Beijing life and sights. More on all of this below! And a friend came up from Zhengzhou and we spent two days exploring the Great Wall outside Beijing, a Ming village, and saw a farm and the most beautiful mountain ranges. Themes in the below are: USTB, cityscape, transportation, world view, art, my teaching here, food, and special sights inside and outside of Beijing. The Great Wall at Badaling The University of Science and Technology has 30,000 students with a number of international students (mainly from Africa), who I was told get better dorms: 2/room where Chinese students are 4 to 7 to a room. Undergraduate fees are US $500-1000 (4000-6000 Y) and graduate ones a little over $1000 (8000- 10000 Y) per year and dorm fees 900 Y. Students get government and departmental aid. USTB is one of many universities in the Haidian/Wudaokou district, in the NW of Beijing; others are Peking University, Tsinghua University, Beijing Foreign Studies University (BFSU), and Beijing Language and Culture University (BLCU). 1 School of Foreign Studies, before the semester started West Gate of USTB; Soviet style buildings BFSU library BLCU North Gate I was perhaps most surprised by how much green there is and how much older architecture is preserved. -
Discovery of Critical Nodes in Road Networks Through Mining from Vehicle Trajectories
This article has been accepted for inclusion in a future issue of this journal. Content is final as presented, with the exception of pagination. IEEE TRANSACTIONS ON INTELLIGENT TRANSPORTATION SYSTEMS 1 Discovery of Critical Nodes in Road Networks Through Mining From Vehicle Trajectories Ming Xu , Jianping Wu, Mengqi Liu, Yunpeng Xiao, Haohan Wang, and Dongmei Hu Abstract— Road networks are extremely vulnerable to cas- the largest and most complex systems of modern society. cading failure caused by traffic accidents or anomalous events. With the rapidly accelerating demand for mobility, road net- Therefore, accurate identification of critical nodes, whose failure works have suffered from increasing pressure. An anomalous may cause a dramatic reduction in the road network transmission efficiency, is of great significance to traffic management and event, such as a traffic accident, may readily cause severe control schemes. However, none of the existing approaches can traffic congestions for some road segments (or intersections). locate city-wide critical nodes in real road networks. In this In recent years, there have been many studies revealing a paper, we propose a novel data-driven framework to rank phenomenon of cascading failures in road networks [1]–[3]. node importance through mining from comprehensive vehicle This indicated that when a few critical nodes fail, they would trajectory data, instead of analysis solely on the topology of the road network. In this framework, we introduce a trip network cause other nodes to fail through connections between the modeled by a tripartite graph to characterize the dynamics nodes, which would dramatically reduce the transmission of the road network. -
Changing Urban Form and Transport CO2 Emissions: an Empirical Analysis of Beijing, China
Sustainability 2014, 6, 4558-4579; doi:10.3390/su6074558 OPEN ACCESS sustainability ISSN 2071-1050 www.mdpi.com/journal/sustainability Article Changing Urban Form and Transport CO2 Emissions: An Empirical Analysis of Beijing, China Yunjing Wang 1,2, Yoshitsugu Hayashi 2, Jin Chen 3 and Qiang Li 4,* 1 State Key Laboratory of Earth Surface Processes and Resource Ecology, Beijing Normal University, 19 Xinjiekouwai Street, Beijing 100875, China; E-Mail: [email protected] 2 International Research Center for Sustainable Transport and Cities, Nagoya University, C1-2(651) Furo-cho, Nagoya 4648603, Japan; E-Mail: [email protected] 3 College of Global Change and Earth System Science, Beijing Normal University, 19 Xinjiekouwai Street, Beijing 100875, China; E-Mail: [email protected] 4 College of Resources Science and Technology, Beijing Normal University, 19 Xinjiekouwai Street, Beijing 100875, China * Author to whom correspondence should be addressed; E-Mail: [email protected]; Tel.: +86-10-5880-2876; Fax: +86-10-5880-8405. Received: 19 May 2014; in revised form: 30 June 2014 / Accepted: 14 July 2014 / Published: 22 July 2014 Abstract: Decentralization development and changing urban form will increase the mobility and contribute to global CO2 emissions, in particular for developing countries which are experiencing rapid economic growth and urban expansion. In this paper, an integrated analytical framework, which can quantify the impact of changing urban form on commuting CO2 emissions, is presented. This framework simultaneously considers two emission dependent factors, commuting demand and modal share based on the concept of excess commuting and accessibility analysis, and ensures its applicability to other cities where the detailed individual travel data is not available. -
China Daily 0731 C8.Indd
CHINA DAILY TUESDAY, JULY 31, 2012 china 8 Anchor plays host to thank helpers Capital Actions of workers saved hundreds issues buses carrying nearly deceased in meters average depth migrant workers rushed of the rainwater 200 passengers the tragedy to the scene to rescue flooding the express- the trapped people from of people at fl ooded expressway become stranded way. The deepest was their dormitories in 3 3 46 meters. 150 Nangangwa fresh By HE DAN He Ming, his son, also took and ZHENG JINRAN part in the rescue at about 9 pm 4th Ring Road on July 21 and saved a 9-year- 3rd Ring Road warning Cui Yongyuan, a famous old boy at 3 am who was grasp- BEIJING anchorman from China Cen- ing an iron fence so the current tral Television, treated 154 wouldn’t sweep him away. Xidan migrant workers to dinner “I heard the boy saying ‘I of rain on Monday evening to show want my mom’ but aft er I took By JIN HAIXING respect for their heroic behav- him to a safe place, my work- 3rd Ring ior in rescuing about 200 mate immediately took him to and WANG XIAODONG people trapped in a torrential change his clothes, so I didn’t 4th Ring downpour. know whether he found his Th e Beijing meteorological All invited migrant workers, mother until yesterday,” he said. center issued a blue alert for who work for a water treatment About 60 people who were 5th Ring rainstorms on Monday night as Beijing-Hong Kong-Macao factory in the Fengtai district rescued visited the migrant Expressway the capital’s areas experienced of Beijing, raced against time workers on Sunday to express heavy rains. -
JFAE(Food & Health-Parta) Vol3-1 (2005)
WFL Publisher Science and Technology Meri-Rastilantie 3 B, FI-00980 Journal of Food, Agriculture & Environment Vol.11 (2): 1247-1254. 2013 www.world-food.net Helsinki, Finland e-mail: [email protected] Research on the eco-purification function of urban forests in Beijing Shaoning Li 1, Shaowei Lu 1, Qinghua Pan 1, Yuping Zhang 1, Bo Chen 2 and Xinbing Yang 2 1 Forestry and Pomology Institute, Beijing Academy of Agriculture and Forestry Sciences, 100093, Beijing, China. 2 College of Forest, Agricultural University of Hebei, 071000, Baoding, Hebei, China. *e-mail:[email protected] Received 10 February 2013, accepted 22 April 2013. Abstract The eco-purification functions of urban forests, such as increasing negative air ions, absorbing and sequestering pollutants, reducing noise and sequestering dust, were measured by methods of nature monitoring and laboratory analysis in Beijing. The result showed the following: The presence of garden flora can significantly increase the concentration of negative air ions, and the annual average concentration of air ions can be sorted in descending order as Xiangshan Park (630.25 pc./cm3), the Beijing Botanical Garden (502.49 pc./cm3), the Summer Palace (414.68 pc./cm3), clearings (170.50 pc./cm3) and downtown (45.08 pc./cm3). The temporal and spatial variation in the concentration of negative air ions was quite obvious in different habitats in the order of autumn, summer, spring and winter from the most to the least variation. However, it showed a single peak curve monthly. The maximum value appeared in September. The larger values appeared at 9:00 and 15:00 in the daytime, and the emergence of the minimum varied but was generally approximately 19:00. -
Travel Demand Management Options in Beijing May
TravelTravel Demand Demand Management Management Options Options in in Beijing Beijing RapidRapid urbanization urbanization and and motorization motorization combined combined with with high high population population density density have have led led to to serious serious congestion congestion andand air air quality quality problems problems in inthe the People’s People’s Republic Republic of of China China capital capital of of Beijing. Beijing. While While Beijing Beijing accounts accounts for for less less thanthan 2% 2% of of the the population, population, more more than than 10% 10% of of the the country’s country’s vehicles vehicles ply ply the the city’s city’s roads. roads. This This study study is ispart part of of thethe Asian Asian Development Development Bank’s Bank’s initiative initiative to to support support greener greener and and more more sustainable sustainable transport transport systems systems that that are are convenientconvenient and and lessen lessen carbon carbon dioxide dioxide emissions. emissions. Read Read how how congestion congestion charging, charging, vehicle vehicle ownership ownership quotas, quotas, andand progressive progressive parking parking reforms reforms can can improve improve Beijing’s Beijing’s approach approach to to travel travel demand demand management. management. AboutAbout the the Asian Asian Development Development Bank Bank ADB’sADB’s vision vision is isan an Asia Asia and and Pacific Pacific region region free free of ofpoverty. poverty. Its Its missionmission is isto tohelp help its its developing developing membermember countriescountries reduce reduce poverty poverty and and improve improve the the quality quality of of life life of of their their people.