详细信息
短轮伐期桉树人工林土壤温度特征分析 被引量:2
Characteristics of Soil Temperature in Short-rotation Eucalyptus Plantation
文献类型:期刊文献
中文题名:短轮伐期桉树人工林土壤温度特征分析
英文题名:Characteristics of Soil Temperature in Short-rotation Eucalyptus Plantation
作者:潘勇军[1] 王兵[2] 陈步峰[1] 陈进[1] 史欣[1] 李汉强[3]
第一作者:潘勇军
机构:[1]中国林业科学研究院热带林业研究所;[2]中国林业科学研究院森林生态环境与保护研究所;[3]西江林业局西江林科所
年份:2011
卷号:24
期号:3
起止页码:404-409
中文期刊名:林业科学研究
外文期刊名:Forest Research
收录:CSTPCD;;Scopus;北大核心:【北大核心2008】;CSCD:【CSCD2011_2012】;
基金:中央级公益性科研院所基本科研业务费专项(2008-05);国家科技部"十一五"科技支撑项目(2006BAD03A06-1);国家科技部社会公益(2003DIB3J116);国家自然科学基金(30700640);广州市森林生态效益监测网络研究和国家林业局珠江三角洲森林生态站项目部分内容
语种:中文
中文关键词:桉树人工林;土壤温度;轮伐
外文关键词:Eucalyptus plantation; soil temperature; rotation
分类号:S792.39
摘要:土壤温度是太阳辐射平衡、土壤热量平衡和土壤热学性质共同作用的结果,具有明显的时空特点,大气和土壤温差以及土壤之间的温度梯度决定热通量的大小,进而改变地表能量收支,影响大气边界层发展,对土壤中发生的物理、生物、化学过程有很大的影响。森林土壤温度是森林气候的重要环境因素之一,是一种重要的热量资源,其变化特征直接影响着土壤生物的生存和功能的作用。
Based on the data collected from 2008 to 2010 in Eucalyptus plantation of Gaoyao city,Guangdong Province,the annual variation,seasonal variation and daily variation of soil temperature before and after rotation were analyzed.The result showed that the soil temperatures of various layers had a significantly positive correlation with the surface temperature.The annual variation of soil temperature showed a unimodal distribution and the annual amplitude became smaller in deeper layer.The daily variation followed a sinusoid and the daily amplitude became smaller in deeper layer.The peak value appeared later with the increasing of soil depth.The annual amplitude of the soil temperature in 2009 after the rotation(13.58 ℃) was smaller than in 2008 before the rotation(15.37 ℃).The peak value time appeared 1 hour ahead and the daily amplitude increased.
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