[1]张晓娟,吴志祥*,杨川,等. 海南岛橡胶林能量平衡研究[J].西北林学院学报,2016,31(2):77-85.[doi:10.3969/j.issn.1001-7461.2016.02.14]
 ZHANG Xiao-juan,WU Zhi-xiang*,YANG Chuan,et al. Energy Balance Research of the Rubber Plantation in Hainan Island[J].JOURNAL OF NORTHWEST FORESTRY UNIVERSITY,2016,31(2):77-85.[doi:10.3969/j.issn.1001-7461.2016.02.14]
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 海南岛橡胶林能量平衡研究()
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《西北林学院学报》[ISSN:1001-7461/CN:61-1202/S]

卷:
第31卷
期数:
2016年第2期
页码:
77-85
栏目:
出版日期:
2016-03-31

文章信息/Info

Title:
 Energy Balance Research of the Rubber Plantation in Hainan Island
文章编号:
1001-7461(2016)02-0077-09
作者:
 张晓娟12吴志祥12*杨川1管利民1
 (1.农业部 儋州热带作物科学观测实验站/中国热带农业科学院 橡胶研究所,海南 儋州 571737;2.海南大学 环境与植物保护学院,海南 海口 570228)
Author(s):
 ZHANG Xiao-juan12WU Zhi-xiang12*YANG Chuan1GUAN Li-min1
 (1.Danzhou Investigation & Experiment Station of Tropical Crops,Ministry of Agriculture/ Rubber Research Institute,Chinese Academy of Tropical Agricultural Sciences,Danzhou,Hainan 571737,China;2.College of Environment and Plant Protection,Hainan University,Haikou,Hainan 570228,China)
关键词:
 能量平衡涡度相关橡胶林海南岛
Keywords:
 energy balance eddy covariance rubber plantation ecosystem Hainan Island
分类号:
S718
DOI:
10.3969/j.issn.1001-7461.2016.02.14
文献标志码:
A
摘要:
 基于涡度相关系统对海南儋州橡胶林生态系统长期定位观测,获取橡胶林生态系统2013年5月-2014年4月有效能、湍流能以及各种气象数据,分析其能量平衡过程以及能量闭合度。结果表明:1)显热通量(H)、潜热通量(LE)、土壤热通量(G)与净辐射通量(Rn)日变化趋势相似,都为单峰型。雨季LE明显大于旱季,不同季节H差异不明显。雨季白天LE远高于HG在数值上与Rn差1~2个数量级,且变化滞后于Rn变化。2)冠层热储量(S)、显热储量(Sa)和潜热储量(Se)变化趋势均为倒“S”型,但S、Se变化趋势与Sa变化趋势相反。橡胶林冠层热储量,Se贡献更大。3)雨季波文比都远<1,即雨季净辐射主要用于潜热输送。旱季波文比较雨季大,平均值为0.8,说明整个旱季水汽传输与显热输送消耗能量比重相当。4)各能量通量分量均表现为净辐射(Rn)>潜热通量(LE)>显热通量(H)>土壤热通量(G)>冠层热储量(S)。雨季潜热通量(LE)所占净辐射比例达76.28%,显热通量仅为15.32%;旱季潜热通量(LE)、显热通量(H)占净辐射通量比例分别为:43.69%、31.74%。5)橡胶林能量不闭合度雨季低于旱季。半小时尺度上旱季不闭合度为33%,雨季不闭合度为24%,全年不闭合度为27%,与中国通量网(ChinaFLUX)研究结果相比,处于中等水平。日尺度全年能量闭合度为13.82%,全年月尺度能量不闭合度为13.41%。
Abstract:
Based on the long-term observations on the rubber plantations occurring in Danzhou,Hainan Province by using eddy covariance technique,eddy flux characteristics and micrometeoroiogical factors of rubber forest ecosystem were obtained.The energy balance of the rubber plantations was analyzed.The results were as follows,1) the characteristics of diurnal variations of sensible heat flux (H),latent heat flux (LE),soil heat flux (G),and net radiation flux (Rn) were all presented single-peak curves.The LE in rainy season was bigger than in dry season,but the difference between the sensible heat flux (H) in different seasons was small.The LE was greater than H in rainy season.G was less than Rn with 1 to 2 orders of magnitude.Compared with Rn,the change of G delayed.2) The characteristics of the diurnal variations of canopy heat storage (S),sensible heat storage (Sa),latent heat storage (Se) were in reversed “S-shaped” curves.However,the variation tendency of Sa was opposite to S and Se.3) In rainy season,Rn was mainly used for latent heat transfer,the Bowen ratios were far less than 1.In dry season,the average of Bowen ratio was 0.8,indicating that the energy used for latent heat transfer was basically the same as sensible heat transfer.4) The energy balance components were in the order of net radiation >latent heat >sensible heat >soil heat flux >canopy heat storage.In rainy season,LE accounted for 76.28% of net radiation,H accounted for 15.32%.In dry season,LE accounted for 43.69%,and H accounted for 31.74%.5) The energy imbalance ratio in rainy season was less than that in dry season.Compared with results reported in ChinaFLUX,the imbalance ratio in half an hour scale was in medium level.The imbalance ratio in rainy season was 24%,33% in dry season,and the annual imbalance ratio was 27%.The imbalance ratio in daily scale was 13.82%,and 13.41% in monthly scale.

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备注/Memo

备注/Memo:
 收稿日期:2015-06-17修回日期:2015-09-18
基金项目:中国热带农业科学院橡胶研究所基本科研业务费专项“橡胶林生态系统长期定位观测研究”(1630022014011);中国科学院战略性先导科技专项(XDA05050601-01-25)。
作者简介:张晓娟,女,硕士,研究方向:热带林生态学。E-mail:453269168@qq.com
*通信作者:吴志祥,男,博士,副研究员,研究方向:热带作物栽培生态与农业气象生态。E-mail:zhixiangwu@21cn.com
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