[1]黄 海,刘建军*,康博文,等.城市绿地内部温湿效应及光环境的初步研究[J].西北林学院学报,2008,23(03):57-61.
 HU AN G Hai,LI U Ji anjun,KAN G Bowen,et al.A Preli mi nary St u dy o n t he Te mperat ure—hu mi di t y Effe ct and Lu mi no us Envi ro n me nt i n t he I nt eri or of U r ban Gre e nland[J].JOURNAL OF NORTHWEST FORESTRY UNIVERSITY,2008,23(03):57-61.
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城市绿地内部温湿效应及光环境的初步研究
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《西北林学院学报》[ISSN:1001-7461/CN:61-1202/S]

卷:
第23卷
期数:
2008年03期
页码:
57-61
栏目:
森林生物、生理、生态、植物、气象等
出版日期:
2008-05-30

文章信息/Info

Title:
A Preli mi nary St u dy o n t he Te mperat ure—hu mi di t y Effe ct and Lu mi no us Envi ro n me nt i n t he I nt eri or of U r ban Gre e nland
文章编号:
1001—7461(2008)03—0057—05
作者:
黄 海1 刘建军2* 康博文2 孙建华1 孙尚华1
1.西北农林科技大学资源环境学院,陕西杨陵712100;2.西北农林科技大学林学院,陕西杨陵712100
Author(s):
HU AN G Hai 1LI U Ji an—jun2KAN G Bo—wen2SU N Ji an—hua1SU N Shang—hua1
1.College of Resources and Environment ,Northwest A&FUniversity,Yangling,Shaanxi 712100,China;2.College of Forestry,Northwest A&FUniversity,Yangling,Shaanxi 712100,China
关键词:
城市绿地降温增湿林内光环境结构规模
Keywords:
urban greenland te mperat ure reducti on and hu mi difi cati on lu mi nous envi ron ment i n forestry struct ure and scale
分类号:
S731.2
文献标志码:
A
摘要:
以西安兴庆宫公园典型落叶乔灌木和常绿乔灌木人工群落为对象,分别对其内部不同位置的6、7月中旬的叶面积指数、温湿度及光环境进行了观测。结果表明:林内与对照地的温湿度差随着距林缘距离的增加而增大,但等距离差值(梯度值)逐渐减少,其中气温梯度值减少较明显。遮光率随着叶面指数(LAT)的增大或冠层高度的降低而增加,冠层低而且叶面积指数较大的灌木或小乔木的遮光率最高;绿地规模是降温增湿的基础,而LAI 是决定温湿效应强弱的关键。
Abstract:
Based on a deci duous tree—s hrub (P1)and an evergreen tree—s hrub(P2)i n Xi ngqi nggong Park i n Xi’an ,t he leaf area i ndex(LAI),ai r te mperat ure(T),relati ve hu mi dity(R H)and illu mi nati on(I)were observed at different sites of t wo plots i n mi ddle June and mi ddle July .The res ults s ho wed t hat t he difference of te mperat ure and relati ve hu mi dity (ΔT,ΔR H)i ncreased along wit h t he i ncrease of t he di stance to forest edge(D FE),and t he difference at t he sa me di stance (t he gradi ent of ΔTor ΔR H)decli ned and t he gradi ent of ΔT was more si gnifi cant .Along wit h t he i ncrease of LAI or t he devrease of canopy hei ght ,t he s hadi ng rate decli ned ,and t he s hrub or s mall arbor wit h lo wer canopy and hi gher LAI had hi gher s hadi ng rate .The scale of urban green i s t he basi s and t he conditi on of LAI i s t he key to t he te mperat ure reducti on and humi difi cati on .

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备注/Memo

备注/Memo:
收稿日期:2007—10—11 修回日期:2007—11—29 基金项目:国家林业科技支撑计划“生态经济型防护林体系空间配置与结构设计技术研究”(2006BAD03A0205) 作者简介:黄海(1982—),男,山东枣庄人,在读硕士研究生,从事城市森林生态研究。
*通讯作者:刘建军(1962—),男,教授,主要从事森林生态学研究。
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