查詢結果分析
相關文獻
- 臺灣土壤溫度分析和土壤熱擴散係數推估
- 不同深度土壤熱擴散係數之推估與探討
- 從地溫週期性變化推估地層原地之熱擴散係數
- 臺灣土壤溫度變化和土壤熱擴散係數推估
- 塔塔加地區森林火災對松類造林地微氣候的影響
- 塔塔加高山生態系土壤溫度資料之檢定、校正與補遺
- 應用簡單最佳化法輔助平面熱源法同時量測熱傳導係數、熱容量及熱擴散係數
- Effect of Soil Moisture, Soil Temperature and Seed-Borne Alternaria Carthami, on Emergence of Safflower (Carthamus tinctorius L.)
- 施灌時機對土壤溫度與茶芽生育之影響
- 塔塔加高山生態系土壤熱擴散係數之研究
頁籤選單縮合
題 名 | 不同深度土壤熱擴散係數之推估與探討=Estimation of the Thermal Diffusivity for Different Soil Depth |
---|---|
作 者 | 林明毅; 林佩佩; 曹舜評; 林俐玲; | 書刊名 | 水土保持學報 |
卷 期 | 43:2 2011.06[民100.06] |
頁 次 | 頁123-136+136_1-136_2 |
分類號 | 432.2216 |
關鍵詞 | 土壤溫度; 熱擴散係數; Soil temperature; Thermal diffusivity; |
語 文 | 中文(Chinese) |
中文摘要 | 本研究利用台北縣華梵大學坡地試區2004 年3 月至2005 年1 月間兩種植生狀態不同深度 之土壤溫度進行研究。為排除重力水對溫度之影響。先以無雨日之資料推估土壤熱擴散係數, 再利用兩種方法計算月平均土壤熱擴散係數,其一以24 小時平均溫度推求,其二以無雨日之 平均熱擴散係數得之。探討不同深度平均熱擴散係數之特性,並討論以月平均熱擴散係數推估 之土壤溫度與實測溫度之關係。結果顯示,土壤溫度正弦曲線之振幅隨深度增加而減少,各深 度達峰值溫度之時間也隨著深度增加而有延遲的現象。兩種計算月平均熱擴散係數之方法則以 各月中無雨日平均熱擴散係數推估之溫度與實測溫度差異較小,所得結果較佳。 |
英文摘要 | This study measured the daily soil temperature of different vegetated and depth during March 2004 to January 2005 from the isolated area of two experimental plots of Huafan University in Taipei. For eliminating influence of gravitational water, estimated the thermal diffusivity of non-raining days and the mean monthly thermal diffusivity was calculated by two method: one was calculated by mean monthly temperature, and the other was estimated from non-raining days. The properties of thermal diffusivity in different depths were discussed and estimating the relation between measured and predicted soil temperature by monthly mean thermal diffusivity. The results indicated that theamplitude of the temperature sine curve decrease due to the soil depth increase and the time of achieving the peak temperature also delay with soil depth increase. Monthly percentage of mean variation between measured and predicted soil temperature, estimated from two methods were used to analyze the mean monthly thermal diffusivity, showed that temperature calculated with non-raining days mean daily of thermal diffusivity had better result. |
本系統中英文摘要資訊取自各篇刊載內容。