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Journal articles on the topic 'Rooftop greening'

Author: Grafiati
Published: 4 June 2021
Last updated: 1 February 2022

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1

Baek, Kyung Youl, Ho Gul Kim, and Sung-Ho Kil. "Analysis of Changes in Suitable Habitat Areas of Paridae through Rooftop Greening Simulation—Case Study of Suwon-si, Gyeonggi-do, Republic of Korea." Sustainability 13, no. 8 (April 19, 2021): 4514. http://dx.doi.org/10.3390/su13084514.

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As many people live in cities that lack green space, biodiversity in such areas is decreasing. Suwon, the study site, a city that strives to improve its biodiversity, is close to the capital city of the Republic of Korea (ROK), and has a large population. This study aims to identify habitat-suitable areas using the longitudinal distribution model in Suwon-si, examine habitat changes when rooftop greening scenarios are applied to various use areas, and distinguish efficient use areas to expand the number of forms. To establish a rooftop greening creation scenario, the area was calculated based on the rooftop greening promotion plan in the metropolitan area, and a representative use area where rooftop greening can be applied was selected. To generate a scenario for creating rooftop greening, the property of the green area was assigned to the corresponding use area, and it was produced as an environmental variable, while the species distribution model was driven. As a result of the study, the area of increase in habitat area according to the rooftop greening for each usage area was derived, and the efficiency of the increase in habitat area compared to the rooftop greening area for each usage area was derived. To improve biodiversity in Suwon-si, rooftop greening in residential areas was found to be the most efficient, and rooftop greening efficiency in commercial areas was the lowest. It is expected that information on the increase and efficiency of the habitat of the wild birds due to rooftop greening by area of use derived from this study will help establish a rooftop greening plan and support decision-making to promote biodiversity in the city.
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2

YAMASHIMA, Yuki, Kiyotatsu YAMAMOTO, Kazuhiko W. NAKAMURA, and Akio SHIMOMURA. "The Birth of the Concepts of Multiple Rooftops Greening and its Significance in the History of Rooftop Greening." Journal of The Japanese Institute of Landscape Architecture 83, no. 5 (March 30, 2020): 551–56. http://dx.doi.org/10.5632/jila.83.551.

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3

IZUMI, Takeki, and Hiroshi MATSUYAMA. "ESTIMATION OF ROOFTOP AREA AND POTENTIAL AREA FOR ROOFTOP GREENING IN TOKYO METROPOLITAN AREA." Journal of Architecture and Planning (Transactions of AIJ) 69, no. 581 (2004): 83–88. http://dx.doi.org/10.3130/aija.69.83_2.

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4

SAKAMOTO, Kenta, Takurou, and Kyouhei OOTSUKA. "A study on a planter type rooftop greening system." Journal of the Japanese Society of Revegetation Technology 38, no. 1 (2012): 141–44. http://dx.doi.org/10.7211/jjsrt.38.141.

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5

TSUJI, Morio, Akira HIRATSUKA, Yoshihiko SANO, and Shu SUZUKI. "Controlling rising temperatures using Carex thunbergii Steud. for rooftop greening." Journal of the Japanese Society of Revegetation Technology 34, no. 2 (2008): 375–83. http://dx.doi.org/10.7211/jjsrt.34.375.

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6

Nohorli, Aysa, and Omid Rafieyan. "Prioritize and analyze barriers for rooftop greening in Tabriz, Iran." Environment, Development and Sustainability 23, no. 8 (January 22, 2021): 12579–97. http://dx.doi.org/10.1007/s10668-020-01117-x.

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7

Mohd Hussain, Nur Huzeima, Nur Hayati Hashim, and Asmat Ismail. "GREEN ROOF CONCEPT ANALYSIS: A COMPARATIVE STUDY OF URBAN FARMING PRACTICE IN CITIES." Malaysian Journal of Sustainable Environment 7, no. 1 (June 30, 2020): 115. http://dx.doi.org/10.24191/myse.v7i1.8914.

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The emergence of urban farming mainly for food production is one initiative in developing a sustainable environment. This paper presents a brief conceptual review of the ideas, issues and imperatives in implementing urban farming on the rooftop areas. The concern is to investigate an alternative way for urban dwellers to achieve resilience through urban farming — the review is based on the theoretical background and concepts of the relevant constraints taken from various established references. The method adopts comparatives analysis explicitly through established texts and secondary data taken from previous cases. The significant examples include; (i) green roof as rooftop farming in ensuring food security and reduce carbon footprint in Singapore; (ii) urban farming as a culture in emphasizing the domestic food production and consumption in Japan; (iii) rooftop urban farming in fresh urban food production in USA; and (iv) rooftop is effective as edible landscape and not only serve for visual purpose only in Thailand. These cases will lead to localize the concept of rooftop urban farming. There also will be a strategy for the greening of the cities by intensifying urban farming. This paper envisions to extend and establish the conceptual discourse for implementing urban farming on the rooftop areas in Malaysia.
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8

TACHIBANA, Daisuke, Satoshi NAOKI, Shinichi KIKUCHI, Takashi MAKI, Yoshinobu SATO, Daisuke UMAZUME, and Kazutaka IMAI. "TRIAL APPLICATION OF FACTORY ROOFTOP GREENING SYSTEM WITH ULTRA-LIGHTWEIGHT SUBSTRATE." AIJ Journal of Technology and Design 16, no. 32 (2010): 411–14. http://dx.doi.org/10.3130/aijt.16.411.

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9

Ryu, Byung Yeol. "Selection of Proper Media for Constructing Wetlands on the Rooftop Greening." Flower Research Journal 22, no. 4 (December 30, 2014): 264–67. http://dx.doi.org/10.11623/frj.2014.22.4.14.

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10

Ushada, Mirwan, Agustinus Suryandono, Moh Affan Fajar Falah, Nafis Khuriyati, Ario Wicaksono, and Haruhiko Murase. "Performance evaluation of moss rooftop greening prototype in a confined space." Engineering in Agriculture, Environment and Food 7, no. 1 (February 2014): 46–51. http://dx.doi.org/10.1016/j.eaef.2013.12.008.

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11

TAKEZAKI, Yoshinori, and Toshihiro SANKAI. "STUDY ON APPLICATION OF TREATED WASTEWATER FROM JOKASO SYSTEM TO ROOFTOP GREENING." Journal of Environmental Engineering (Transactions of AIJ) 71, no. 604 (2006): 77–84. http://dx.doi.org/10.3130/aije.71.77_3.

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12

SANKAI, Toshihiro, and Yoshinori TAKEZAKI. "THERMAL PERFORMANCE OF ROOFTOP GREENING USING A POROUS BASE PLANTED WITH SEDUM." Journal of Environmental Engineering (Transactions of AIJ) 72, no. 622 (2007): 33–39. http://dx.doi.org/10.3130/aije.72.33_3.

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13

Lee, Bitnara, Geun Young Ahn, and Eun-Heui Lee. "A Study of the Planting on the Rooftop Greening -Focus on Seoul-." Journal of Korea Society for Plants People and Environment 17, no. 6 (December 30, 2014): 547–53. http://dx.doi.org/10.11628/ksppe.2014.17.6.547.

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14

YAMAGUCHI, Takako, Hitoshi YOKOYAMA, and Kouichirou ISHII. "Mitigating the Urban Heat Island Effect by Light and Thin Rooftop Greening." Journal of The Japanese Institute of Landscape Architecture 68, no. 5 (2005): 509–12. http://dx.doi.org/10.5632/jila.68.509.

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15

Pi, Ling, and Kaneyuki Nakane. "Latent Heat Flux (Evapotranspiration) in Summer Season on Rooftop Greening Soil with Bamboo Charcoal Sublayer at a Building in West Japan." Geofluids 2021 (July 22, 2021): 1–12. http://dx.doi.org/10.1155/2021/2023393.

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The effect of a thin and light greening system with bamboo charcoal layer for water retention on heat fluxes, in particular latent heat flux (evapotranspiration rate), under no irrigation condition, on the rooftop of a building in Higashi-Hiroshima, West Japan, was investigated. In April 2019, lawn seeds (Zoysia tenuifolia) were sown which were germinated, reached a height of 70 mm by May when 100% of the vegetation area was covered. The air temperature and humidity at two different heights (0.3 m and 1.8 m) above greening soil surface, latent, and sensible heat fluxes were estimated. Bowen ratio was employed to collect the data on surface heat balance and soil water content during the summer season (June to September) in 2019 on the rooftop of a building in Higashi-Hiroshima, West Japan. The latent heat during daytime for a week without rainfall in each month was compared with the evapotranspiration rate. Owning to the vegetation development, the ground heat flux on greening soil surface decreased from -400 W/m2 to -200 W/m2 (flux from air to soil) during sunny daytime in July, and it was less than -100 W/m2 in August, although net radiation was maintained around 800 W/m2 over the season except in September. The monthly net radiation flux for an entire day (daytime and nighttime) ranged between 55 and 125 W/m2 (average: 95 W/m2) for the summer season of which 32-66% (average: 48%) was occupied by latent heat. Evapotranspiration from greening soil ranged between 1.24 and 1.82 mm/day, averaged at 1.51 mm/day throughout the season, which corresponded to about 26% of total rainfall over the season ( r 2 = 0.88 , p < 0.01 ; S . E = 0.06 ) between the estimated and measured values. These observations suggested that the thin and bamboo coal light soil layer greening system, even without constant irrigation, could maintain the development of lawn grass and transformed more than half of net radiation to latent heat, i.e., evapotranspiration, insulating most ground heat in midsummer, which may be mostly due to bamboo charcoal sublayer.
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16

Kim, Heeju, Kyushik Oh, and Dongwoo Lee. "Establishment of a Geographic Information System-Based Algorithm to Analyze Suitable Locations for Green Roofs and Roadside Trees." Applied Sciences 11, no. 16 (August 10, 2021): 7368. http://dx.doi.org/10.3390/app11167368.

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Urban green spaces offer various ecosystem services such as those for controlling the urban microclimate, improving water circulation, and providing leisure and recreation opportunities. However, it is almost impossible to create new, large green spaces in cities where urbanization has been long underway. Consequently, small-scale green spaces such as green roofs and roadside trees are gaining attention as features that can increase the effects of ecosystem services. Although the area of individual buildings in urban areas is relatively small, the sum of building rooftop areas account for a large portion of urban areas. Moreover, there are areas widely available throughout cities where street trees could be planted. However, this requires large amounts of accurate databases (DBs) and long-term spatial analyses to identify specific locations suitable for small-scale green facilities on a citywide scale using a geographic information system (GIS). Consequently, in-depth research on this topic has been insufficient. Thus, this study presents an algorithm to analyze locations where green roofs and roadside trees could be introduced based on GIS spatial analysis and verifies the effectiveness of the algorithm built for the city of Seoul. In addition, computational fluid dynamics (CFD) modeling is performed to analyze the temperature reduction effect, the representative function of ecosystem control services that can be brought about by the potential green spaces. The results show that rooftop greening in study areas is possible in 311,793 of 742,770 buildings. The rooftop floor area of buildings that can apply rooftop greening is 33,288,745 m2, which is about 50% of the total area of the rooftop in Seoul. It was found that roadside trees could be planted on a sidewalk with an extension length of 872,725 m and an area of 838,864 m2. A total of 145,366 trees can be planted in the study area. In addition, it was shown that the introduction of green roofs reduced temperatures by 0.13 °C to 0.14 °C and roadside trees reduced temperatures by 0.14 °C to 0.6 °C. With the growing need to improve urban ecosystem services as a result of rapid climate change, the algorithm developed in this study can be utilized to create spatial policies that expand and manage urban green spaces and thereby contribute to the improvement of urban ecosystem services.
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17

PI, Ling, Motomu KAWAMURA, and Kaneyuki NAKANE. "Effect on Rooftop Temperatures and Heat Fluxes of a Bamboo Charcoal Sublayer in Rooftop Greening Soil at a Factory Office." International Journal of Environmental Protection 1, no. 3 (October 28, 2011): 15–20. http://dx.doi.org/10.5963/ijep0103003.

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18

Rakhshandehroo, Mehdi, Mohd Johari Mohd Yusof, and Meysam Deghati Najd. "Green Façade (Vertical Greening): Benefits and Threats." Applied Mechanics and Materials 747 (March 2015): 12–15. http://dx.doi.org/10.4028/www.scientific.net/amm.747.12.

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In the challenge of development in dense urban areas and environmental preservation, sustainability is a significant requirement where green facade (vertical greening) is one of those approaches that flourished during the last decade although it is not a new concept. Hanging or vertical garden, vertical vegetable farms, balcony garden, container or planter box greening, green or eco building, green roof or rooftop garden, wall planter, and green envelop are all different aspects of this idea that demonstrate how wide this landscape can be. Greening the building envelope with vegetation can be used as a mean to restore the environmental conditions in dense urban areas. Designers can look for enhanced solutions where the façades are more than tinted glass barrier. Several researches have proven the environmental benefits of green facade on both new and existing buildings. They can be applied for mitigating the effect of urban heat island, increasing biodiversity and ecological value, insulating against environmental impact, outdoor and indoor comfort, social and psychological wellbeing and enhancement of air quality for city dwellers. This article discusses different systems of the green facade as a method of sustainable development.
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19

TAKAHASHI, Iwahito, Katsumi SATO, Yasutomo ARIJI, Seiji HOSAKA, and Hiroaki MORITA. "EXPERIMENTAL INVESTIGATION OF PRACTICALITY OF BAMBOO AS A BASE MATERIAL FOR ROOFTOP GREENING." Journal of JSCE 6, no. 1 (2018): 147–55. http://dx.doi.org/10.2208/journalofjsce.6.1_147.

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20

TSUJI, Morio, Tomohiko SAITO, Toshinori NYUZUKI, and Toshimichi GUNJI. "Evapotranspiration, temperature rise control effect by Carex thunbergii Steud. adopteded in rooftop greening." Journal of the Japanese Society of Revegetation Technology 33, no. 2 (2007): 359–68. http://dx.doi.org/10.7211/jjsrt.33.359.

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21

SHIBATA, Tadahiro. "The Effect of slope-rooftop greening using mat plants to mitigate summer heat." Journal of the Japanese Society of Revegetation Technology 36, no. 1 (2010): 39–44. http://dx.doi.org/10.7211/jjsrt.36.39.

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22

Fan, Ping, and Kai-lin Wang. "Evaluation of cold resistance of ornamental species for planting as urban rooftop greening." Forestry Studies in China 13, no. 3 (August 6, 2011): 239–44. http://dx.doi.org/10.1007/s11632-011-0305-5.

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23

SAWADA, Yasunori. "Environmental Consciousness and Awareness among Junior High School Students Associated with Rooftop Greening Activities." Kikan Chirigaku 66, no. 1 (2014): 1–16. http://dx.doi.org/10.5190/tga.66.1.

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24

Roy, S., S. Dutta, and MM Hoque. "Urban forestry and urban greening for sustainable urban development-A case of Dhaka north city corporation area (Zone-1)." Journal of the Bangladesh Agricultural University 14, no. 2 (May 29, 2017): 167–76. http://dx.doi.org/10.3329/jbau.v14i2.32691.

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Urban forestry and urban greening is one of the most substantial factors for sustainable urban development, which can contribute towards good quality of life and sound environment. Dhaka, the capital of Bangladesh once renowned for its green resources but in recent times the city is losing its greeneries very rapidly. This study was intended to explore the status of urban greening as well as to investigate the prospects and challenges for enhancing urban forestry and urban greening in Dhaka North city corporation area (Zone-1). This study focused on the qualitative approach where interview with key informants, questionnaire survey and observation techniques were followed to obtain required information. The study identified some factors that are responsible for losing of green resources in Dhaka city including transformation of existing green areas or open spaces to other land use purposes, unplanned urbanization & improper planning, rapid increase of urban population and lack of conservation activities for protecting the existing greeneries. The study also revealed that still there are ample opportunities to enhance the greeneries in Dhaka city by conserving the existing green areas (e.g. parks, gardens, playgrounds etc.), increasing roadside plantation, promoting homestead and rooftop gardening and by initiating afforestation and nursery activities.J. Bangladesh Agril. Univ. 14(2): 167-176, December 2016
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25

MISAKA, Ikusei, Koichiro ISHII, Hitoshi YOKOYAMA, Takako YAMAGUCHI, and Ken-ichi NARITA. "EVALUATION OF EFFECTS OF LIGHT AND THIN TYPE ROOFTOP GREENING ON MITIGATING HEATISLAND(Environmental Engineering)." AIJ Journal of Technology and Design 11, no. 21 (2005): 195–98. http://dx.doi.org/10.3130/aijt.11.195.

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26

WATANABE, Takanori, Takeki IZUMI, and Hiroshi MATSUYAMA. "NUMERICAL STUDY ON EFFECTS OF ROOFTOP GREENING ON MODERATING AIR TEMPERATURE IN TOKYO METROPOLITAN AREA." Journal of Japan Society of Civil Engineers, Ser. G (Environmental Research) 67, no. 2 (2011): 101–13. http://dx.doi.org/10.2208/jscejer.67.101.

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27

ICHINOSE, Masayuki, Hisaya ISHINO, Kimiko KOHRI, and Akihiro NAGATA. "EVALUATION OF ROOFTOP GREENING AS A METHOD OF HEAT-ISLAND REDUCTION BASED ON ACTUAL MEASUREMENT." Journal of Environmental Engineering (Transactions of AIJ) 71, no. 605 (2006): 47–54. http://dx.doi.org/10.3130/aije.71.47_4.

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28

Williams, Nicholas S. G., John P. Rayner, and Kirsten J. Raynor. "Green roofs for a wide brown land: Opportunities and barriers for rooftop greening in Australia." Urban Forestry & Urban Greening 9, no. 3 (January 2010): 245–51. http://dx.doi.org/10.1016/j.ufug.2010.01.005.

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29

Ryu, Byung Yeol, Yun Sung Cho, and Yoo Sun Kim. "Selection of Proper Artificial Media and Rootzone Depth for Constructing Wetlands on the Rooftop Greening." Korean Society for Floricultural Science 21, no. 2 (June 30, 2013): 68–73. http://dx.doi.org/10.11623/frj.2013.21.2.18.

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30

NAKABAYASHI, Haruka, Toshikazu URADE, and Akiharu KAMIHOGI. "A study on the visitor’s taste for natural elements of rooftop greening in commercial facilities." Journal of The Japanese Institute of Landscape Architecture 78, no. 5 (2015): 579–82. http://dx.doi.org/10.5632/jila.78.579.

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31

Indraningtyas, Lathifa, Mirwan Ushada, and Agustinus Suryandono. "Scale up of Panel Assembly for Moss Rooftop Greening Material (Sphagnum sp.) Using Dimensional Analysis." Agriculture and Agricultural Science Procedia 3 (2015): 114–20. http://dx.doi.org/10.1016/j.aaspro.2015.01.023.

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32

Ushada, Mirwan, Agustinus Suryandono, Ario Wicaksono, and Haruhiko Murase. "Quality evaluation for scale-up of moss (Sphagnum sp.) rooftop greening panel using Taguchi method." Engineering in Agriculture, Environment and Food 8, no. 3 (July 2015): 130–36. http://dx.doi.org/10.1016/j.eaef.2015.07.004.

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33

Sendo, Takahiro, Michio Kanechi, Yuichi Uno, and Noboru Inagaki. "Evaluation of Growth and Green Coverage of Ten Ornamental Species for Planting as Urban Rooftop Greening." Journal of the Japanese Society for Horticultural Science 79, no. 1 (2010): 69–76. http://dx.doi.org/10.2503/jjshs1.79.69.

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34

KIKUCHI, Sachiko, and Hajime KOSHIMIZU. "Assessment of a Rooftop Greening Suitable Site Map by Analysis on Rainfall Pattern and Inundation Disaster." Journal of The Japanese Institute of Landscape Architecture 72, no. 5 (2009): 871–74. http://dx.doi.org/10.5632/jila.72.871.

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35

Lee, Bitnara, Ye-Seul Kim, and Eun-Heui Lee. "The Analysis of Sedum Suitable for the Effect of Modulability the Temperature of the Rooftop Greening." Journal of the Korea Society of Environmental Restoration Technology 18, no. 2 (April 30, 2015): 53–64. http://dx.doi.org/10.13087/kosert.2015.18.2.53.

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36

KITAGAWA, Kaduichi, Shizuo NAKAMURA, Hiroyuki TABATA, Teruhiro OKUTANI, Akihisa KANEDA, Yasuto TAMAI, Kazuya ONISHI, and Kazuhisa HASEGAWA. "Development of porous ceramic panel for light and thin rooftop greening with using excess textile dyeing sludge." Journal of the Japanese Society of Revegetation Technology 37, no. 3 (2011): 433–36. http://dx.doi.org/10.7211/jjsrt.37.433.

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37

Wu, Juan Yu, Ming Xin Liu, and Lei Xiao. "Analysis on Thermal Measuring of Rooftop Farming Garden a Case Study of Julong Residential District in Zhongshan." Advanced Materials Research 717 (July 2013): 306–11. http://dx.doi.org/10.4028/www.scientific.net/amr.717.306.

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Nowadays, many urban cities in the world are facing problems of urban heat island and lack of greenery space. Rooftop farming is a strategy for intensifying urban agriculture activities, which can not only improve nutrition and food security in urban neighborhoods, but also reduce the energy consumption of air-condition and ease the power shortage in urban area of metropolitan regions. In this study, a thermal experiment and an index of energy saving analysis were carried out in Zhongshan, Guangdong Province, China in August 2011, measuring external and internal surface temperatures of roofs with and without greening, using the same set of climate parameters. The experiment results show that the green roof with urban farming can contribute to the modulation of air temperature in the interior spaces of building. During the hot days in summer, the external surface temperatures of green roof are lower than the normal flat one. The result also reveals that external surfaces of vegetated green roof system could effectively lower surface temperature by 6 °C and save 18.7% electric power, comparing with the general flat roof of traditional building.
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38

NAKABAYASHI, Haruka, Kazuhiro OHIRA, Toshikazu URADE, and Akiharu KAMIHOGI. "A Study on the Rooftop Greening in Namba Parks Based on an Analysis of the Behavior Characteristics of Butterflies." Journal of The Japanese Institute of Landscape Architecture 76, no. 5 (2013): 511–16. http://dx.doi.org/10.5632/jila.76.511.

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39

NIITSU, Kiyoshi, and Toshiaki ICHINOSE. "Long-term Observation of Radiation Balance, Soil Temperature and Heat Flux at Eco-Building with Sedum Rooftop Greening Technology." Proceedings of the Symposium on Global Environment 11 (2003): 253–58. http://dx.doi.org/10.2208/proge.11.253.

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40

Loibl, Wolfgang, Milena Vuckovic, Ghazal Etminan, Matthias Ratheiser, Simon Tschannett, and Doris Österreicher. "Effects of Densification on Urban Microclimate—A Case Study for the City of Vienna." Atmosphere 12, no. 4 (April 17, 2021): 511. http://dx.doi.org/10.3390/atmos12040511.

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Climate adaptation, mitigation, and protecting strategies are becoming even more important as climate change is intensifying. The impacts of climate change are especially tangible in dense urban areas due to the inherent characteristics of urban structure and materiality. To assess impacts of densification on urban climate and potential adaptation strategies a densely populated Viennese district was modeled as a typical sample area for the city of Vienna. The case study analyzed the large-scale densification potential and its potential effects on microclimate, air flow, comfort, and energy demand by developing 3D models of the area showing the base case and densification scenarios. Three methods were deployed to assess the impact of urban densification: Micro-climate analysis (1) explored urban heat island phenomena, wind pattern analysis (2) investigated ventilation and wind comfort at street level, and energy and indoor climate comfort analysis (3) compared construction types and greening scenarios and analyzed their impact on the energy demand and indoor temperatures. Densification has negative impacts on urban microclimates because of reducing wind speeds and thus weakening ventilation of street canyons, as well as accelerating heat island effects and associated impact on the buildings. However, densification also has daytime cooling effects because of larger shaded areas. On buildings, densification may have negative effects especially in the new upper, sun-exposed floors. Construction material has less impact than glazing area and rooftop greening. Regarding adaptation to climate change, the impacts of street greening, green facades, and green roofs were simulated: The 24-h average mean radiant temperature (MRT) at street level can be reduced by up to 15 K during daytime. At night there is only a slight reduction by a few tenths of 1 K MRT. Green facades have a similar effect on MRT reduction, while green roofs show only a slight reduction by a few tenths of 1 K MRT on street level. The results show that if appropriate measures were applied, negative effects of densification could be reduced, and positive effects could be achieved.
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41

YAMAMOTO, Nami, Shigeto KAWASHIMA, Akinobu MURAKAMI, and Satomi WATANABE. "Effects of the Vegetation Density and the Irrigation of Rooftop Greening with Sedum Mexicanum Britton on Local Thermal Conditions and Heat Flux Balance." Journal of The Japanese Institute of Landscape Architecture 67, no. 5 (2004): 443–46. http://dx.doi.org/10.5632/jila.67.443.

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42

Lee and Oh. "Developing the Urban Thermal Environment Management and Planning (UTEMP) System to Support Urban Planning and Design." Sustainability 11, no. 8 (April 12, 2019): 2224. http://dx.doi.org/10.3390/su11082224.

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Mathematical Climate Simulation Modeling (MCSM) has the advantage of not only investigating the urban heat island phenomenon but also of identifying the effects of thermal environment improvement plans in detail. As a result, MCSM has been applied worldwide as a scientific tool to analyze urban thermal environment problems. However, the meteorological models developed thus far have been insufficient in terms of their direct application to the urban planning and design fields due to the preprocessing task for modeling operations and the excessive time required. By combining meteorological modeling and Geographic Information System (GIS) analysis methods, this study developed the Urban Thermal Environment Management and Planning (UTEMP) system that is user-friendly and can be applied to urban planning and design. Furthermore, the usefulness of UTEMP was investigated in this study by application to areas where the heat island phenomenon occurs frequently: Seoul, Korea. The accuracy of the UTEMP system was verified by comparing its results to the Automatic Weather Systems (AWSs) data. Urban spatial change scenarios were prepared and air temperature variations according to such changes were compared. Subsequently, the urban spatial change scenarios were distinguished by four cases, including the existing condition (before the development), applications of the thermal environment measures to the existing condition, allowable future urban development (the maximum development density under the urban planning regulations), and application of the thermal environment measures to allowable future development. The UTEMP system demonstrated an accuracy of adj. R2 0.952 and a ±0.91 Root Mean Square Error (RMSE). By applying the UTEMP system to urban spatial change scenarios, the average air temperature of 0.35 °C and maximum air temperature of 1.27 °C were found to rise when the maximum development density was achieved. Meanwhile, the air temperature reduction effect of rooftop greening was identified by an average of 0.12 °C with a maximum of 0.45 °C. Thus, the development of UTEMPS can be utilized as an effective tool to analyze the impacts of urban spatial changes and for planning and design. As a result, the UTEMP system will allow for more efficient and practical establishment of measures to improve the urban thermal environment.
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43

SAGAWA, Tomoko, Takahiro TANAKA, Masakazu MORIYAMA, and Tadashi SASAGAWA. "THE USE SITUATION ON FLAT ROOF, AND THE POSSIBILITY EVALUATION OF THE ALTERATION TO ROOFTOP GREENING AND COOL-ROOF : Detailed characteristics of summer radiative temperature in urbanized area by using airborne thermal image and GIS Part 2." Journal of Environmental Engineering (Transactions of AIJ) 71, no. 608 (2006): 53–58. http://dx.doi.org/10.3130/aije.71.53_3.

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Ryu, Nam-Hyong, and Chun-Seok Lee. "The Characteristics of Retention and Evapotranspiration in the Extensive Greening Module of Sloped and Flat Rooftops." Journal of the Korean Institute of Landscape Architecture 41, no. 6 (December 31, 2013): 107–16. http://dx.doi.org/10.9715/kila.2013.41.6.107.

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Zhang, Gaochuan, Bao-Jie He, Zongzhou Zhu, and Bart Julien Dewancker. "Impact of Morphological Characteristics of Green Roofs on Pedestrian Cooling in Subtropical Climates." International Journal of Environmental Research and Public Health 16, no. 2 (January 9, 2019): 179. http://dx.doi.org/10.3390/ijerph16020179.

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Growing and densifying cities set a challenge for preserving and enhancing green spaces to cool urban spaces. Green roofs, involving the planting of vegetation on rooftops, are regarded as an alternative approach to enhancing urban greenery and urban cooling. For better cooling performances, it is essential to reasonably configure green roofs, especially in real and complex neighborhoods. Therefore, the aim of this paper is to investigate the impact of morphological characteristics of green roofs on pedestrian cooling in real and complex neighborhoods. In specific, based on an ENVI-met model, we studied the effect of greening layout, coverage ratio, vegetation height, and building height on pedestrian air temperature reduction in the tropical city of Hangzhou, China. Results indicate green roofs could generate moderate effects on pedestrian air temperature reduction (around 0.10–0.30 °C), while achieving a cooling performance of 0.82 °C. Green roofs in upwind zones were able to generate the most favorable cooling performance, while green roofs in downwind zones made slight differences to pedestrian thermal environments. Green roofs with a low coverage ratio were not useful for lowering pedestrian temperature, and a greening coverage ratio of 25–75% in upwind zones was cost-effective in real neighborhoods. Locations that were horizontally close to green roofs enjoyed better cooling performances. Increasing vegetation height could strengthen cooling effects of green roofs, while an increase in building height weakened the cooling performance. Nevertheless, higher building height could enhance pedestrian cooling performances because of building shading effects. In addition, because of wind effects and building shading, building height limits for the cooling performance of green roofs could be higher than 60 m.
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Backs, Janet Rizner, Jeffrey Dawson, and Wesley Jarrell. "Urban Greening: A Case Study to Determine the Efficacy of Using Low Maintenance Planters as a Means of Growing Plants in Chicago Urban Settings." Journal of Environmental Horticulture 31, no. 3 (September 1, 2013): 145–52. http://dx.doi.org/10.24266/0738-2898.31.3.145.

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This paper describes an experiment designed to test a planter system that can be used by urban residents in greening rooftops, balconies and patios. Design emphasis was on inexpensive planter construction, low seasonal maintenance requirements, and ease of replacement of plant material. Additionally, four plant species were tested for survival over one year within the core area of Chicago. The planters recycled natural rainfall, requiring no additional watering after setup through the growing season. Plant growth and mortality over the summer varied, as did over winter survival. Plant survival rates through the end of the growing season in the planter systems were 83% for Rhus copallina, 100% for Juniperus horizontalis, 78% for Sedum spectabile, and 89% for Schyzachyrium scoparium. All species lived through the winter season in the system planters. R. copallina had the highest mortality rate with 80% of plants alive at the end of the growing season not surviving the winter. The control site with plants directly in soil had the highest over winter rates of survival; all plants alive at the end of the growing season survived through the winter. Surface and soil temperature comparisons through the winter season show that this design provided little insulating effect.
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Chao, Chien-Chiao, Kuo-An Hung, Szu-Yuan Chen, Feng-Yi Lin, and Tzu-Ping Lin. "Application of a High-Density Temperature Measurement System for the Management of the Kaohsiung House Project." Sustainability 13, no. 2 (January 19, 2021): 960. http://dx.doi.org/10.3390/su13020960.

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In Taiwan, the daytime temperature usually exceeds 37 °C in summer, and the increase in air-conditioning usage has led to higher energy demand, which brings a heavy burden to power plants. The Kaohsiung House Project, undertaken by the city government, encourages the installation of greening facilities in buildings, such as photovoltaic (PV) panels on rooftops and vertical gardens on balconies, in order to preserve energy and reduce carbon emissions. In the present study, the urban heat island effect and temperature distribution within the city was examined through the establishment of 16 temperature measurement sites within a 7.5 km × 6 km area. A between-site temperature difference of 2 °C was observed between April and August. Areas with higher temperature are recommended to increase their green space ratio through the project. Moreover, relocating PV panels in low-temperature areas increased the overall generation efficiency by 0.8%. Through the analysis of the measured data, this study determined which areas were more appropriate for green space expansion, and which would best serve for green energy generation, all with the aim of improving external environmental comfort and maximizing carbon reduction. Recommendations regarding the implementation of subsequent policies were issued and they provide reference for implementation in other cities.
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Morau, Dominique, Ives Abel Fetra Andriatsitohaina Rabesah, and Hery Tiana Rakotondramiarana. "Experimental Study of the Thermal Behavior of a Watercress Planted Roofed Cubic Cell to be Watered with Domestic Wastewater." Journal of Energy Research and Reviews, May 4, 2021, 19–30. http://dx.doi.org/10.9734/jenrr/2021/v7i430196.

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One of the virtues of watercress is its ability to grow in wastewater. This work aims at experimentally studying the thermal behavior of a watercress planted roofed cubic cell. To do this, the temperatures of various components of the cell and the solar radiation received by this cell were measured in order to compare the watercress roof performance with that of the conventional concrete roof. Then, the influence of the opening applied on the door of the studied cell was analyzed. As results, the fluctuation amplitude of the indoor ambient temperature of the concrete roofed cell is wider than that of the green roofed cell. Moreover, the last opening applied to the facades of the cell was the optimum area that the ambient temperature indoor was more attenuated. The LAI’s crop was worth 1.2. In addition, the low value of the canopy apparent thermal conductivity revealed that this layer plays a role of thermal insulation. The rooftop greening allows energy savings of about 85% compared to the consumed energy with conventional roofing. An extension of this work could be the energy performance analysis of a system using renewable energy for pumping domestic wastewater produced in or around green roofed housing.
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