文献类型：期刊文献

中文题名：华北南部低丘山地刺槐林土壤温度与冠层气温关系的研究

英文题名：Relationship between Soil and Air Temperature of Robinia pseudoacacia Plantation in North China

作者：郑宁[1] 陆森[1] 张劲松[1] 孟平[1] 贾长荣[2] 任迎丰[2]

第一作者：郑宁

机构：[1]中国林业科学研究院林业研究所,国家林业局林木培育重点实验,北京100091;[2]济源市国有大沟河林场,河南济源454650

年份：2013

期号：1

起止页码：107-112

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2011】；CSCD:【CSCD2013_2014】；

基金：国家自然基金(40871106)

语种：中文

中文关键词：冠层气温;土壤温度;刺槐人工林;模型预测

外文关键词：air temperature; soil temperature; Robinia pseudoacacia plantation; model prediction

分类号：S792.27

摘要：土壤温度是大气与陆地表面水热循环共同作用的结果，受实际气象条件、地形、土壤质地、地表植被类型及冠幅、土壤水分等诸多因素的共同影响，因此，相对于气温，土壤温度的观测和资料获取更加复杂和繁琐。目前，土壤温度资料的获取手段主要为野外实测，包括气象台站的日常观测及基于特定科研需要的试验观测，但目前气象台站的观测数据通常是离散的，在空间上不连续，难以满足生产和研究工作的需求J。
At present, field measurement is the main means of acquiring soil temperature data, which is spatially and temporally discontinuous. The prediction model of soil temperature should be built based on continuous meas- ured data. Based on the soil temperature data of different layers （0 cm, 5 cm, 10 cm, 15 cm, and 20 cm） and the air temperature above and below the canopy, the data were measured continuously in a nearly 30-year-old Robinia pseudoacacia plantation in the hilly zone in Jiyuan City of He＇ nan Province in 2006 and 2007, the relationship be- tween soil temperature and air temperature was analyzed, a mathematical model for predicting soil temperature was developed based on daily air temperature data in 2006, and the predictions were tested based on the data of 2007. The results show that： The variation trends of soil temperature of different layers and air temperature are basically the same; as soil depth increased, the impact of the soil increased, yet the correlation of soil temperature and air temperature decreased. According to the growth status of trees, a year can be divided into four phases of phenology. The correlation of soil temperature and air temperature was significant when the leaf area index was small. There- fore, the structure of forest canopy had obvious impact on the soil temperature. The model based on air temperature can provide a valuable and accurate tool for predicting temperature of shallow soil. However, to accurately predict deep soil temperature, more factors should be taken into account.