[1]侯喜禄,白岗栓,曹清玉.黄土丘陵区湾塌地乔灌林土壤水分动态监测[J].水土保持研究,1996,3(02):57-65.
 Hou Xilu,Bai Gangshuan,Cao Qingyu.Dynamic Observation of Soil Moisture on Arbor and Shrubbery in Sinking Lands in Loess Hilly Region[J].,1996,3(02):57-65.
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黄土丘陵区湾塌地乔灌林土壤水分动态监测()
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《水土保持研究》[ISSN:1005-3409/CN:61-1272/P]

卷:
3卷
期数:
1996年02期
页码:
57-65
栏目:
出版日期:
1900-01-01

文章信息/Info

Title:
Dynamic Observation of Soil Moisture on Arbor and Shrubbery in Sinking Lands in Loess Hilly Region
作者:
侯喜禄 白岗栓 曹清玉
中国科学院、水利部水土保持研究所 陕西杨陵 712100
Author(s):
Hou Xilu Bai Gangshuan Cao Qingyu
Institute of Soil and Water Conservation, Chinese Academy of Sciences and Ministry of Water Resources, Yangling, Shaanxi, 712100
关键词:
黄土丘陵区湾塌地乔灌林土壤水分
Keywords:
loess hilly regionsinking landarbor and shrubberysoil moisture
摘要:
湾塌地乔灌幼林生长季土壤水分变化规律,一般丰水年水分活跃层和次活跃层的含水量高低随降雨多少而变化,6~7月为最低值,9~10月达最大值,土壤水分恢复补偿。旱年亏缺。幼林郁闭前密度对土壤水分影响不明显,而5年生刺槐林和4年生沙棘林土壤水分发生分异。乔灌郁闭成林生长季始末土壤水分变化规律同幼林。且4月份土壤水分受前一年降雨的影响,而汛期降雨则影响生长季末土壤水分的恢复或亏缺。一般全剖面可恢复补偿80%左右,旱年严重亏缺。沙棘林的相对稳定层水分偏高3%~7%.
Abstract:
The change rule of soil moisture of the young growth of arbor and shrub in sinking lands during growing season is that the moisture content of soil-moisture active and sub-active layers in rich Precipitation year will vary with precipitation amount, getting to minimum from June to July,and maximum from September to October when soil moisture could be restored.But in drought year the soil moisture deficit will appear.The planting density have not obvious influence on soil moisture before young growth closing,while soil moisture in 5-year-old Robinia pseudoaeacia forest or 4-year-old Hippophae rhamnoides shrubbery will differ from onetanother.In changing rule of soil moistuer during from one another.In changing rule of soil moisture during growing season, arbor and shrubbery on closing is alike with its young growth.Moreover the soil moisture in April is affected by the rainfall in former year,and the rainfall of flooding season influences recovery or deficit of soil moisture at the end of growing season.Generally in the whole vertical section the soil moisture may be restored to 80% or so.The soil moisture is deficient seriously in drought year.The soil moisture of the relatively stable layer in Hippophae rhamnoiles shrubbery is 3%-7% slightly higher than others.

参考文献/References:

[1] 杨文治等.黄土高原杏子河流域自然资源与水土保持.陕西科学技术出版社, 1986, 185-189
[2] 陈丽华.晋西黄土区合理造林密度的确定.林业科技通讯, 1995.(1)
[3] 侯喜禄等.黄土丘陵沟壑区水土保持林体系建设及效益分析.西北水土保持研究所集刊, (4).1991.130-132

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备注/Memo

备注/Memo:
收稿日期:1995-11-10;改回日期:。
更新日期/Last Update: 1900-01-01