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不同时间尺度上枣树树干液流的变异特性
马建鹏1,2; 汪有科1,3; 陈滇豫3; 靳姗姗1,2; 佘 檀3
2016
Source Publication干 旱 地 区 农 业 研 究
Volume34Issue:3Pages:95-101
Abstract

为探寻枣树树干液流在不同深度和不同方位的变异特性,提高黄土丘陵区枣树蒸腾耗水量研究精
度,在陕西省米脂县远志山红枣试验示范基地采用热扩散式探针(TDP)分别研究了枣树不同方位和不同深度的树
干液流速率。结果表明:(1) 不同方位探针监测结果间存在差异,研究时间尺度不同,各方位监测结果间的差异显
著性不同,差异显著性大小表现为时尺度 > 日尺度 > 月尺度。(2) 不同深度探针监测结果间存在差异,随研究时
间尺度的不同,不同深度探针监测结果间的差异显著性不同,差异显著性大小表现为时尺度 > 日尺度 > 月尺度。
(3) 在树干北侧和深度为 20 mm 的 TDP 监测值计算生育期耗水量更准确。

Other Abstract

 In order to explore the variation characteristics of jujube tree trunk sap flow at different depths and
different directions,to improve the research precision of transpiration consumption of jujube trees in Loess Hilly Re-
gion,we utilized thermal dissipation probe (TDP) to study the trunk sap flow velocity of jujube trees at different di-
rections and different depths respectively in the jujube experiment demonstration base of Yuanzhi mountain in Mizhi
County of Shaanxi Province. The results showed that: (1) The difference of monitored results exited between differ-
ent directions of the probe. The different research time scale,the monitored results in each direction was significant
difference. The size of the significant difference expressed as: hourly scale > daily scale > monthly scale. (2) The
monitored results at different probe depths existed difference,and with the different time scale,the significant
difference was different between different probe depthes. The size of the significant difference expressed as: hourly
scale > daily scale > monthly scale. (3) The water consumption in growth stage calculated by the monitored value
of TDP installed at the north and the depth of 20 mm was more accuracy.

Keyword枣树 树干液流 不同方位 不同深度 径向分布
Indexed By中文核心期刊要目总览
Language中文
Document Type期刊论文
Identifierhttp://ir.iswc.ac.cn/handle/361005/8566
Collection水保所知识产出(1956---)
Affiliation1.中国科学院/教育部水土保持与生态环境研究中心,陕西 杨凌 712100
2.中国科学院大学,北京 100049
3.西北农林科技大学水利与建筑工程学院,陕西 杨凌 712100
Recommended Citation
GB/T 7714
马建鹏,汪有科,陈滇豫,等. 不同时间尺度上枣树树干液流的变异特性[J]. 干 旱 地 区 农 业 研 究,2016,34(3):95-101.
APA 马建鹏,汪有科,陈滇豫,靳姗姗,&佘 檀.(2016).不同时间尺度上枣树树干液流的变异特性.干 旱 地 区 农 业 研 究,34(3),95-101.
MLA 马建鹏,et al."不同时间尺度上枣树树干液流的变异特性".干 旱 地 区 农 业 研 究 34.3(2016):95-101.
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