[1]袁一超,等.小陇山林区日本落叶松人工林林冠截留特征[J].西北林学院学报,2013,28(06):20-24.[doi:10.3969/j.issn.1001-7461.2013.06.04]
　YUAN Yi-chao,WANG De-xiang*,LIU Xiao-lin,et al.Characteristics of Canopy Interception of Larix kaempferi in Xiaolongshan Forest[J].JOURNAL OF NORTHWEST FORESTRY UNIVERSITY,2013,28(06):20-24.[doi:10.3969/j.issn.1001-7461.2013.06.04]
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小陇山林区日本落叶松人工林林冠截留特征()
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《西北林学院学报》[ISSN:1001-7461/CN:61-1202/S]

卷:
第28卷
期数:
2013年06期
页码:
20-24
栏目:
出版日期:
2013-11-30

文章信息/Info

Title:
Characteristics of Canopy Interception of Larix kaempferi in Xiaolongshan Forest
文章编号:
1001-7461(2013)06-0020-05
作者:
袁一超1;  2;  3; 王得祥1*; 刘小林2;  3; 蔺岩雄2;  3; 郑子龙2;  3
1.西北农林科技大学,陕西 杨陵 712100;
2.甘肃省小陇山林业科学研究所,甘肃 天水 741022;
3.甘肃小陇山森林生态系统定位研究站,甘肃 天水 741022
Author(s):
YUAN Yi-chao1; 2; 3; WANG De-xiang1*;  LIU Xiao-lin2;  3;  LIN Yan-xiong2;  3; ZENG Zi-long2;  3
1.Northwest A&F Uuniversity, Yangling, Shaanxi 712100,China;
2.Institute of Xiaolong Mountain Fordest Science and Technology, Tianshui, Gansu 741022,China;
3.Forest Ecosystem Locational Research Station in Xiaolong Mountain,Tianshui,Gansu 741022,China
关键词:
日本落叶松;  林冠截留;  穿透水;  树干茎流
Keywords:
Larix kaempferi;  interception;  throughfall;  stemflow
分类号:
S718.5
DOI:
10.3969/j.issn.1001-7461.2013.06.04
文献标志码:
A
摘要:
2011年4月—10月7个月在秦岭西段小陇山林区对25年生日本落叶松人工林共33次降水事件的林冠截留特征定位观测,期间,林外大气降水总量为951.30 mm,林冠截留率、树干茎流率、穿透率分别为16.63%、0.86%和82.51%; 不同雨量级分析,穿透降水量和穿透降水率、树干茎流量和树干茎流率、林冠截留量均随着总降水量的增加呈递增趋势,而林冠截留率则随着大气降雨量和林内净降水量的增加呈递减趋势。比较相近雨量下的不同降雨强度林冠截流变化,降雨强度越大林冠截留量和截留率越小,表明持续时间较短强度大降雨,林冠截留量少,截留率亦小; 强度小历时较长的降雨,截留量和截留率都大。当林外降水量> 0.5 mm时才观测到林内穿透雨。树干茎流的变化幅度不大。
Abstract:
Based on the orientational observations from April to October 2011, canopy interception characteristics of 25 a Larix kaempferi plantation were studied in Xiaolong Mountain forest region. The results showed that in the total precipitation of 951.30 mm from 33 times observation, the canopy interception, the stemflow and the throughfall accounted for 16.63%, 0.86% and 82.51% of total precipitation, respectively. Based on analysis of different rainfall classes, the higher the rainfall class, the greater the throughfall and the stemflow and the interception, the greater the throughfall ratio and stemflow ratio, and the lower the interception ratio. Under similar rainfall conditions, the higher the rainfall intensity, the lower the interception and interception ratio. It indicated that the interception and interception ratio in rainfall of short duration and high intensity were lower than that in rainfall of long duration and low intensity. Throughfall was observed when precipitation>0.5 mm. The rangeability of stemflow was tiny.

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备注/Memo

备注/Memo:
收稿日期:2012-10-09 修回日期:2013-03-26
基金项目:甘肃省科技支撑计划项目(1104FKCE070)。
作者简介:袁一超,男,在读硕士,助理工程师,研究方向:森林生态。E-mail:547025141@qq.com
*通信作者:王得祥,男,教授,博士,研究方向:森林生态。E-mail:Wangdx66@126.com
更新日期/Last Update: 2013-11-30