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Papers - IRIE Teruaki

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Demonstration experiment of green infrastructure construction methods using rainwater storage structure to improve planting bases and protect roots for street trees

Kazuhiro TAZAKI Teruaki IRIE Taiga FURUHATA Kazuaki TAKEDA　Ryo DAKESHITA

3 35 - 40 2024.09

Authorship：Corresponding author Language：Japanese

抄録
This study clarified the root growth of trees in a demonstration of a green infrastructure method using rainwater storage materials to improve the planting bases and protect roots for street trees. Comparing the root system diagrams of the construction areas, root growth was clearly observed in 2023 (one year later) compared to 2022 (before construction), indicating the effect of improving the planting base. Furthermore, in 2024 (two years later), more roots branched, and long fine roots less than 2 mm were prominent. The relationship diagram and distribution diagram of root length and thickness showed that in all construction areas, root growth and root thickness increased in 2024 (two years later) compared to 2023 (one year later), with an increase in lateral roots and an expansion of the root system. The annual growth rate of root length and thickness was about 1 to 2 times. The results of a two-year survey showed that roots were growing every year within the construction area, demonstrating the usefuln

DOI： https://doi.org/10.60235/jilatech.3.0_35

Application to green plants using botanical light (power generation by plants) technology

YAMASHITA Mana, IRIE Teruaki, OHTSUKA Junichi, IRIE Mami

Technical Reports of Landscape Architecture 3 ( 0 ) 21 - 26 2024.04

Authorship：Corresponding author Language：Japanese Publishing type：Research paper (scientific journal) Publisher：Japanese Institute of Landscape Architecture

The purpose of this research was to obtain knowledge for applying botanical light technology to urban greening plants as urban green infrastructure, with a view to social implementation. The results of this study showed that voltage values were higher in areas with plants than in control areas (soil only), and that voltage values differed depending on the type of urban greening plants (tall trees, shrubs, ground cover, deciduous and evergreen) depending on the season throughout the year. It was revealed that evergreen plants such as tall trees, shrubs, and ground cover generate a lot of electricity, and that the amount of voltage generated by Ophiopogon japonicus Ker. f. nanus fort. is particularly high. In addition, it has become clear that the power generation produced by botanical lights is affected by soil temperature and soil moisture content. We found that plants make power generation more sustainable, confirming the usefulness of plants. In the future, we hope that the results of this research will help in the practical application of botanical lights and the creation of value in urban greening, such as a power source during disasters in parks and green spaces, and as green displays for indoor greening.

DOI： 10.60235/jilatech.3.0_21

Other Link： https://www.jstage.jst.go.jp/article/jilatech/3/0/3_21/_pdf

Decline of mulberry orchards and subsequent land use in the Tonegawa area of Isesaki city Reviewed

KURIHARA Masahiro, SHINOZAWA Kenta, IRIE Teruaki

Journal of The Japanese Institute of Landscape Architecture 86 ( 5 ) 561 - 566 2023.03

Language：Japanese Publisher：Japanese Institute of Landscape Architecture

This study examined the decline of mulberry orchards and subsequent land use in the Tonegawa area of Isesaki City. From the Meiji to the Taisho eras, this area was a land of thriving silkworm breeding and raising. However, the silk industry declined, leading to the disappearance of vast mulberry orchards. We divided the age of the silk industry of this area into five periods based on the social background of apparent changes in a mulberry field, and conducted a literature review and map comparison of mulberry orchard site use for each era.Five social factors affected land uses - the opening of railways in the Meiji period, river improvement in the Taisho period, an increase in rice paddies due to wartime increased food production, factory construction encouraged by urban planning during the high economic growth period, and the development of residential areas. The results showed that the mulberry orchard sites mainly became farmland, construction sites for factories and houses. Four industrial parks were built on urbanization zones, attracting factories and leading to an increase of residential areas. Conversely, most of the mulberry orchard designated as an urbanization control area is being used as farmland, posing the problem of future farmland use as farmers age.

DOI： 10.5632/jila.86.561

Development of green infrastructure construction method applying plastic rainwater storage structure suitable for load resistance to planting base.

TAZAKI Kazuhiro, WATANABE Sachiko, IRIE Teruaki, FURUHATA Taiga, TAKEDA Kazuaki, TAKEUCHI Yasushi, SUZUKI Ayumu, HAMANO Masayuki, OSAWA Ayuko

Technical Reports of Landscape Architecture 2 ( 0 ) 20 - 25 2023.03

Language：Japanese Publisher：Japanese Institute of Landscape Architecture

This study reports development of green infrastructure construction method applying plastic rainwater storage structure suitable for load resistance to planting base. Observation items in this study are water level, moisture content, soil temperature, and heat index, and test surveys are soil hardness test, permeability test, and root elongation. As a result of this research, the planting base has a pF value within the range of 1.5 to 2.7, which is an effective value for plant growth. In the control plot, there was a tendency for excessive humidity (pF value: 1.2 to 1.4), and a value outside the effective value for growth was observed. Under the shade of greenery, the daytime temperature is about 3°C lower than the surface of the pavement. In the one year after green infrastructure construction method applying plastic rainwater storage structure to planting base, it was confirmed that Zelkova serrata and Liquidambar styraciflua showed elongation of the root and vigorous rooting of fine roots in both 100% and 50% filling of the planting base soil. This study showed the effectiveness of the green infrastructure construction method that applied rainwater storage structure to the planting base for roadside trees.

DOI： 10.60235/jilatech.2.0_20

Other Link： https://www.jstage.jst.go.jp/article/jilatech/2/0/2_20/_pdf/

Meteorological characteristic and evaluation of hedgerow windbreak effect in agricultural lands in Djibouti based on wind dynamics simulation Reviewed

IRIE Teruaki, SAITO Shuhei, MAY CUEVAS Sergio Azael, SUZUKI Shinji, WATANABE Fumio, SHIMADA Sawahiko, BARKAD Hassan A.

Journal of Arid Land Studies 32 ( S ) 193 - 197 2022.12

Authorship：Lead author Language：English Publisher：The Japanese Association for Arid Land Studies

This study aimed to clarify the meteorological characteristics of a farm at Dikhil in Djibouti and to evaluate the windbreak effect of hedgerows to plan and design a pilot farm in Ali Faren based on wind dynamics simulated using observed meteorological parameters. The analysis of meteorological observations at Dikhil farm showed that the east-northeast winds from October to April were twice as strong as the southerly winds from May to September. The computational fluid dynamics (CFD) analysis of the inflow from the east-northeast at a height of 3 m above the ground level confirmed that the windbreak effect of the hedgerows on the leeward side was effective in protecting the vegetable fields. The observations from the Ali Faren pilot farm indicated that the south-southeast prevailing winds blow throughout the year. The CFD analysis of the inflow from the south-southeast at a height of 3 m above the ground confirmed that the windbreak effect of several scenarios of hedgerow planning at the Ali Faren pilot farm was effective.

DOI： 10.14976/jals.32.s_193

The cooling effect of green infrastructure in mitigating nocturnal urban heat islands: a case study of Yoyogi Park and Meiji Jingu Shrine in Tokyo Reviewed International journal

Teruaki Irie

Landscape Research 47 ( 5 ) 559 - 583 2022.04

Authorship：Lead author,　Corresponding author Language：English Publishing type：Research paper (scientific journal) Publisher：Landscape Research

This study assessed the implementation of green infrastructure plans to mitigate the effects of nocturnal urban heat islands in Yoyogi Park and Meiji Jingu Shrine in the surrounding Shibuya urban area, Tokyo.

Other Link： https://doi.org/10.1080/01426397.2022.2050195

Relation between the Level of Degradation and the Wind Speed Reduction Efficiency of Tree Windbreaks Systems in Ovche Pole Region, Macedonia

ONCHEVSKI OGNEN, IRIE TERUAKI, MINCHEV IVAN, MIHARA MACHITO

International Journal of Environmental and Rural Development 13 ( 2 ) 13 - 18 2022

Language：English Publisher：Institute of Environmental Rehabilitation and Conservation, Research Center

Ovche Pole is an agricultural region in Macedonia with dry climatic conditions characterized by low precipitation and high ambient temperatures during the growing period as well as prevailing winds that are present considerable time of the year. During the 1950s series of measures have been implemented to improve the agriculture productivity in the region. One of the measures taken was the establishment of tree windbreaks (field shelterbelts) aimed to reduce wind velocity and protect shelter crops. Ever since they become essential elements for the regional landscape, performing many important ecosystem functions. As far as authors' knowledge, so far there are no scientific studies that investigated the performance of the tree windbreaks in Ovche Pole-research area of this study. To fill the gap of scientific data, this study examines the relation between wind reduction efficiency of tree windbreaks with their level of degradation in that area. Optical porosity is used as a proxy for quantitative description of the level of degradation of the structure of the tree windbreaks. To this aim, field measurements for wind velocity and optical porosity (OP) were done on 3 (three) windbreaks sections. Photogrammetry method was used to determent the porosity at each windbreak section. Wind velocity field measurements were done with two handheld cone anemometers The windspeed reduction efficiency was assessed by comparing the windspeed at the windward side with the windspeed at 3 points on the leeward side. The results show that the level of degradation is significantly related with the relative windspeed at distance of 30m and 60m from the tree line at the leeward side.

DOI： 10.32115/ijerd.13.2_13

Consensus building on the Design-build process of Japanese Garden in Tangamanga Park, United Mexican States. Reviewed

Teruaki Irie Yuta Takikawa

84 ( 11 ) 168 - 171 2021.02

Authorship：Lead author

Other Link： https://green-plantation.co.jp/wp-content/uploads/2021/06/PRESENTACION_jardin_japones_etapa1.pdf

A study on value of green infrastructure with multiple benefits of homestead trees and hedges Igune Reviewed

Teruaki Irie, Saki Harada, Hitoshi Uchida, Masatoshi Takeuchi

Journal of Agriculture Science., Tokyo University of Agriculture. 65 ( 1 ) 9 - 18 2020.06

Authorship：Lead author Language：Japanese Publishing type：Research paper (scientific journal) Publisher：Tokyo University of agriculture

Homestead trees and hedges, known as Igune, have been a feature of the traditional rural landscape in the Miyagi and Iwate prefectures for at least 400 years. We evaluated the green infrastructure value of the multiple benefits provided by Igune. In particular, we concentrated on the cultural and lifestyle values, windbreak effects, and habitat for forest and forest-edge living birds.

Other Link： https://nodai.repo.nii.ac.jp/?action=pages_view_main&active_action=repository_view_main_item_detail&item_id=826&item_no=1&page_id=28&block_id=60

Effects of field margins and other uncultivated fields on Orthoptera assemblages in the mountainous paddy field area of northeast Japan Reviewed

Masatoshi Takeuchi* and Teruaki Irie

, 2019, Volumen 29, Issue 1 29 ( 1 ) 76 - 88 2019.06

Authorship：Lead author Language：English Publishing type：Research paper (scientific journal)

DOI： https://doi.org/10.1080/21658005.2019.1.11

Discovery of local resource and landscape conservation : Evaluation improvement of landscape properties by community resident society 'Funabashi Komichi' Invited

Emiko Nishikawa, Teruaki Irie

( 11 ) 123 - 131 2019.03

Authorship：Lead author Language：Japanese Publishing type：Research paper (conference, symposium, etc.)

Other Link： https://www.city.setagaya.lg.jp/mokuji/kusei/002/006/003/d00165024_d/fil/012.pdf

A study of regional education program with park design through collaboration and cooperation with diverse entities - Case Study involving the Kinuta and Kitami elementary schools Reviewed

Teruaki Irie, Reiko Machida, Shintaro Nakamichi, Shigeyuki Miyabayashi

Journal of Agriculture Science, Tokyo University of Agriculture 63 ( 2 ) 74 - 82 2018.09

Authorship：Lead author Language：Japanese Publishing type：Research paper (scientific journal) Publisher：Tokyo University of Agriculture

This study evaluates the effectiveness of a collaborative, student-led approach to park design, during the comprehensive learning period at Kinuta and Kitami elementary schools. We used a three-step design in the program: first, identify the region's assets and character; second, develop individual views and group consensus around desired outcomes; and third, to encourage ownership of the park's design by the students. The first step of the process is the recognition of the region's character through the production of a playground map by the students, after learning about the area's natural resources and heritage through play-oriented tasks from the regional supervisor. The second step aimed to develop students' analytical skills by encouraging them to think individually about the park's design, then to build consensus through discussion and negotiation with their peers with the role of facilitator by university teachers and also with students practicing the role of facilitator for the university teacher and students. Finally, the third step aimed to inspire students' confidence and sense of ownership of their park design, to enhance future engagement with the region's stewardship. This regional educational program involved local administrations, elementary schools, universities and consultant specialist advisers, whose collective roles and responsibilities need to be clarified to ensure effective collaboration within the wider educational system.

Other Link： https://nodai.repo.nii.ac.jp/?action=pages_view_main&active_action=repository_view_main_item_detail&item_id=754&item_no=1&page_id=28&block_id=60

Vision of Kumamoto Landscape for Reconstruction / Green Infrastructure in the Catchment Area and Regional Regeneration with Satoyama and Landscape Initiative Invited

Teruaki IRIE

Journal of Japanese Institute of Landscape Architecture 82 ( 2 ) 108 - 111 2018.07

Authorship：Lead author Language：Japanese Publishing type：Research paper (scientific journal) Publisher：Japanese Institute of Landscape Architecture

Other Link： https://www.jila-zouen.org/publication/7143

Simulating thermal and wind dynamics to aid environmental planning: Case study for a planning of Setagaya Campus of TUA Reviewed

Teruaki Irie, Takumi Uehara, Ryo Araya, Tadakazu Kaneko

Journal of Agriculture Science, Tokyo University of Agriculture 62 ( 3・4 ) 69 - 79 2018.03

Authorship：Lead author Language：Japanese Publishing type：Research paper (bulletin of university, research institution) Publisher：Journal of agriculture science, Tokyo University of Agriculture

This study aims to demonstrate how simulated thermal and wind dynamics can be integrated into urban environmental planning. Three dimensional GIS and CFD simulations were employed to investigate the effects of green space and wind flows on urban cooling, using a plan of Setagaya campus of TUA as a case study. We evaluated the current configuration of the campus in relation to its thermal environment and wind conditions and showed that 1) summer daytime temperatures in a green space area for Bajikouen, an avenue of Zelkova and a grove of Metasequoia were 2-3 degrees Celsius lower than urban areas within the campus ; 2) trees near the main gate help mitigate southerly wind speeds,and a campus building along Setagaya Street shelters the Bajikouen area and the Zalkova avenue from
the same southerly wind ; 3) north-westerly winds are split after striking building No. 18, resulting in high winter daytime wind speeds ; 4) split wind flows from the south, striking a newly constructed research building, resulted in high summer daytime winds. Finally we evaluated proposed campus redevelopment plans on the basis of thermal and wind dynamics, demonstrating how the simulation of the thermal environment from remotely sensed data and of wind dynamics through CFD can improve environmental planning in urban areas to the benefit of civil society.

Other Link： https://nodai.repo.nii.ac.jp/?action=pages_view_main&active_action=repository_view_main_item_detail&item_id=717&item_no=1&page_id=28&block_id=60

Urban green infrastructure planning methods to mitigate urban heat island impacts and associated night-time temperatures using Landsat 8 data Reviewed

Teruaki Irie

Landscape Research Japan Online 10 125 - 133 2017.10

Authorship：Lead author Language：Japanese Publishing type：Research paper (scientific journal) Publisher：Japanese Institute of Landscape Architecture

This study's hypothesis is that large heat islands can be fragmented through the use of open space, which allow flows of cool air to reduce night-time temperatures. Using data from Landsat 8, a four-step method, comprising data collection, data analysis, decision making and final planning, is proposed to enable planning for mitigation of urban heat island effects. (1) Land cover and existing daily surface air temperature maps were generated from the Landsat 8 data and summer observatory data from the Meteorological Agency. (2) Surface temperature and air temperature (at 0500 hours) maps were derived using a formula incorporating the ratio of green space within different spatial scales within the survey areas. (3) Predictive maps of surface temperature and air temperature (at 0500 hours) were generated using three alternative green space plans (focused along riversides, streets and in school grounds, respectively), using the same formula. (4) This scenario appraisal approach can contribute to new green infrastructure planning to mitigate the increasingly important issue of urban heat island impacts and night-time temperatures.

Other Link： https://www.jstage.jst.go.jp/article/jilaonline/10/0/10_125/_article

Urban Regeneration and Green Stock Invited

Teruaki IRIE

City Planning Review 64 ( 3 ) 68 - 73 2015.04

Language：Japanese Publishing type：Research paper (scientific journal)

Rural Plan to take advantage of the food and agriculture, Satoyama in Samegawa village Invited

TERUAKI IRIE

City Planning Review 62 ( 4 ) 55 - 56 2013.08

Language：Japanese Publishing type：Research paper (scientific journal)

A Study on Improvement in Food Service and Local Industrial Advancement from user needs in National Government parks Reviewed

Teruaki IRIE Masato JINDO Tadakazu KANEKO Toshitaro MINOMO

Landscape Research Japan Journal of the Japanese Institute Landscape Architecture 74 ( 5 ) 561 - 564 2011.03

Authorship：Lead author Language：Japanese Publishing type：Research paper (scientific journal) Publisher：Japanese Institute of Landscape Architecture

This study is investigation for finding to create new park life and culture, with the aim of improving in food service in parks and advancing growth of local industry by park management, in a case of Echigo Hillside National Government park, Sanuki Mannou National Government park, Bihoku Hillside National Government park. As a result, it was shown possibility that park users ask for park cafe with cooked local farm products, and outdoor cooking, example of baking bread and pizza in the oven, and so on. And, when park users choose food menu in park restaurant, they ask for cheap, fast, and seasonable food menu, but in restaurant with cooked local farm products, park users ask for seasonable, original food menu more than cheap and fast food menu. So this study was found the possibilities of improving in food service of parks in cooperation with local industry.

Other Link： https://www.jstage.jst.go.jp/article/jila/74/5/74_561/_pdf

The Consensus Building Process by The Citizenry Participation landscape management in The Tsurugadai Apartment Reviewed

Eiji SHIMA Chiharu ISHII Teruaki IRIE

Landscape Research Japan 74 ( 5 ) 753 - 758 2011.03

Authorship：Lead author Language：Japanese Publishing type：Research paper (scientific journal)

Other Link： https://www.jstage.jst.go.jp/article/jila/74/5/74_753/_pdf/-char/ja

Landscape Manegement Inducing Local Potential -in case of Satoyama Landscape Management 10 years Trial in Samegawa Village Invited

Teruaki IRIE

Landscape Research Japan Journal of the Japanese Institute Landscape Architecture 73 ( 3 ) 194 - 199 2009.12

Language：Japanese Publishing type：Research paper (scientific journal)

Other Link： https://www.jila-zouen.org/wp-content/uploads/2013/01/LRJ73-3-contents.pdf

A Study concerning evaluation of open space plan utilized Shanshui for Mitigating the heat island : A Case Study in Beijing Reviewed International journal

Teruaki Irie, Yuta Takikawa, Chiharu Saito, LEI Yun

The 11th Landscape Architectural Symposium of China,Japan and Korea 11 213 - 219 2008.10

Authorship：Lead author Language：English Publishing type：Research paper (scientific journal)

Analysis of Practical -Test Tasks in Grade 2 Landscape Gardening Exam Reviewed

masato JINDO Hitoshi UCHIDA, Teruaki IRIE,Hideaki MITOME

Landscape Research Japan Journal of the Japanese Institute Landscape Architecture 72 ( 5 ) 475 - 478 2008.05

Authorship：Lead author Language：Japanese Publishing type：Research paper (scientific journal)

Other Link： https://www.jstage.jst.go.jp/article/jila/72/5/72_5_475/_pdf/-char/ja

A study concerning evaluation of open space planning for reduction of heat island based on Landsat data Reviewed

Teruaki IRIE

Journal of the City Plannig Institute of Japan 41 ( 3 ) 355 - 360 2006.11

Language：Japanese Publishing type：Research paper (scientific journal)

Other Link： https://www.jstage.jst.go.jp/article/journalcpij/41.3/0/41.3_355/_pdf/-char/ja

Structure and Function in Urban Landscape in term of reduction of Heat island by green space Reviewed

Teruaki IRIE

Landscape Ecology and Management, Japan association for Landscape Ecology 10 ( 2 ) 61 - 63 2006.03

Language：Japanese Publishing type：Research paper (scientific journal)

Analysis practical Test Tasks in the Grade 3 Landscape Gardening Exam. Reviewed

Uchida, Teruaki IRIE, MITOME

Landscape Research Japan Journal of the Japanese Institute Landscape Architecture 68 ( 5 ) 495 - 498 2005.05

Authorship：Lead author Language：Japanese Publishing type：Research paper (scientific journal)

Other Link： https://www.jstage.jst.go.jp/article/jila/68/5/68_5_495/_pdf/-char/ja

A Study concerning Effective Open Space Planning for the Reduction of Heat Islands ーA Case Study on Taipei Area International journal

Teruaki Irie

The 41st IFLA World Congress Proceeding 41 2004.09

Authorship：Lead author Language：English Publishing type：Research paper (international conference proceedings)

本年度は台北市を事例としてランドサットデータを用いたヒートアイランドの緩和に資する緑地の配置計画の手法を提示し、特に計画した緑地によるヒートアイランドの変化をシミュレーションの形で示した。

「ヒートアイランドの緩和に有効な緑地の配置に関する計画学的研究（博士論文）」

入江　彰昭

東京農業大学 2004.03

Language：Japanese Publishing type：Thesis (other)

本研究では、ランドサットＴＭデータを用いてヒートアイランドの緩和に有効な緑地形態を明らかにし、ランドサットデータをベースとしたヒートアイランドの緩和に資する緑地の配置計画の手法を提示した。

Study on Effect of Open Space in Reducing Heat Island by Presuming the Temperature Reviewed

Teruaki IRIE

Landscape Research Japan Journal of the Japanese Institute Landscape Architecture 66 ( 5 ) 889 - 892 2003.05

Language：Japanese Publishing type：Research paper (scientific journal)

Other Link： https://www.jstage.jst.go.jp/article/jila/66/5/66_5_889/_pdf/-char/ja

Effect of Open Space in its Surrounding Area and Effective Form of Open Space on Air Temperature -A case study on Tokyo and Saitama Area- Reviewed

Teruaki IRIE, Kanzo HIRANO

Journal of the City Plannig Institute of Japan 36 277 - 282 2001.11

Authorship：Lead author Language：Japanese Publishing type：Research paper (scientific journal)

Other Link： https://www.jstage.jst.go.jp/article/journalcpij/36/0/36_277/_pdf/-char/ja

Study on the effective Form and Scale of Open Space for Urban Climate Control by Landsat TM Data -A case on Kumamoto City Area- Reviewed

Teruaki IRIE,Kanzo HIRANO

Journal of the City Plannig, Institute of Japan 34 7 - 12 1999.11

Authorship：Lead author Language：Japanese Publishing type：Research paper (scientific journal)

Other Link： https://www.jstage.jst.go.jp/article/journalcpij/34/0/34_7/_pdf

Analisis on The Form of Open Space and Surface Temperature Using Landsat TM Data Reviewed

Teruaki IRIE, Kanzo HIRANO

Landscape Research Japan, jourrnal of the Japanese Institute Landscape Architecture 61 ( 5 ) 593 - 596 1998.05

Authorship：Lead author Language：Japanese Publishing type：Research paper (scientific journal)

Other Link： https://www.jstage.jst.go.jp/article/jila1994/61/5/61_5_593/_pdf/-char/ja

Study on the Effective Form of Open Space for Urban Climate Control by Landsat TM data in a case study on Northern Tokyo Areas Reviewed

Teruaki IRIE, Kanzo HIRANO, Keitaro HARA

Journal of Agriculture Science, Tokyo University of Agriculture 41 ( 4 ) 246 - 254 1996.12

Authorship：Lead author Language：Japanese Publishing type：Research paper (scientific journal)

Other Link： http://iss.ndl.go.jp/books/R000000004-I4185435-00

Fundamental Study on the Effective Form of Open Space for Urban Climate Control by LANDSAT TM Data -a case study on Chiba Area- Reviewed

Teruaki IRIE, Kanzo HIRANO

Journal of the City Plannig Institute of Japan 30 325 - 330 1995.12

Authorship：Lead author Language：Japanese Publishing type：Research paper (scientific journal)

「都市気候の調節に有効な緑地の形態に関する基礎的研究（修士論文）」

入江　彰昭

東京農業大学 1995.03

Language：Japanese Publishing type：Thesis (other)

本研究では、千葉市と東京北部地域の2つの事例研究から、都市気候の調節に有効な緑地の種類、規模、分布形状が明らかになった。すなわち緑地の種類では、水面、水田、樹林地、草地の順に有効で、規模では、幅員100m程度の緑地帯でヒートアイランドを分断する可能性が示され、緑地が複数に分布する形状は有効であることが示された。

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Papers - IRIE Teruaki