| 一种简单的土壤热惯量野外实测方法 |
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| 引用本文： | 余涛,田国良,吕永红,隋洪智.一种简单的土壤热惯量野外实测方法[J].土壤学报,1998,35(4):560-568. |
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| 作者姓名： | 余涛 田国良 吕永红 隋洪智 |
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| 作者单位： | 中国科学院遥感应用研究所 |
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| 基金项目： | *国家重大自然科学基金项目“地表遥感信息传输及其成象机理研究”(49493404-4-3)的资助 |
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| 摘 要： | 本文采用一种野外实地测量土壤热扩散率结合室内测定该土壤热容量的方法，计算实际情况下土壤热惯量与水分含量间的关系。文中对该测量方法进行了推导。并将之应用于黄淮海地区不同土壤类型，在给出了不同土壤类型和质地的热惯量值的同时，对该方法的重复性，稳定性，准确性进行了检验。
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| 关 键 词： | 热惯量 土壤水分 野外测量 |
| 收稿时间： | 1997/2/17 0:00:00 |
| 修稿时间： | 1997/12/19 0:00:00 |
A SIMPLE METHOD OF MEASURING SOIL THERMAL INERTIA IN FIELD CONDITIONS AND ITS APPLICATION |
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| Yu Tao,Tian Guo-liang,Lu Yong-hong and Sui Hong-zhi.A SIMPLE METHOD OF MEASURING SOIL THERMAL INERTIA IN FIELD CONDITIONS AND ITS APPLICATION[J].Acta Pedologica Sinica,1998,35(4):560-568. |
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| Authors: | Yu Tao Tian Guo-liang Lu Yong-hong and Sui Hong-zhi |
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| Institution: | Institute of Remote Sensing Applications, Chinese Academy of Sciences, Beijing 100101;Institute of Remote Sensing Applications, Chinese Academy of Sciences, Beijing 100101;Institute of Remote Sensing Applications, Chinese Academy of Sciences, Beijing 100101;Institute of Remote Sensing Applications, Chinese Academy of Sciences, Beijing 100101 |
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| Abstract: | A new,simple method has been adopted of measuring the soil thermal inertia in field conditions combined with determining the thermal capacity of the soil in laboratory,by which the relation between the actual value of soil thermal inertia and the content of soil moisture can be calculated.This method is introduced in the present paper and has been applied to different types of soil in North China Plain. The reproducibility,stability and accuracy of the method were examined when the thermal inertia values for different soil (including 4 types of soils and 4 kinds of soil texture) were given.The results showed that the proposed method was applicable. |
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| Keywords: | Thermal inertia Soil moisture Field measurement |
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