[1]王 健,吴发启,孟秦倩.黄土高原丘陵沟壑区坡面果园的土壤水分特征分析[J].西北林学院学报,2006,21(05):65.
 WANG Jian,WU Faqi,MENG Qinqian.Analysis on Soil Moisture Character of Dry Orchard on Hilly and Gully Regions on the Loess Plateau[J].JOURNAL OF NORTHWEST FORESTRY UNIVERSITY,2006,21(05):65.
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黄土高原丘陵沟壑区坡面果园的土壤水分特征分析()
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《西北林学院学报》[ISSN:1001-7461/CN:61-1202/S]

卷:
第21卷
期数:
2006年05期
页码:
65
栏目:
林业基础科学
出版日期:
2006-10-30

文章信息/Info

Title:
Analysis on Soil Moisture Character of Dry Orchard on Hilly and Gully Regions on the Loess Plateau
作者:
王 健吴发启孟秦倩
西北农林科技大学 资源环境学院, 陕西 杨陵 712100
Author(s):
WANG Jian WU FaqiMENG Qinqian
College of Sources and Environment, Northwest A F University,Yangling, Shaanxi 712100, China
关键词:
土壤水分果园坡向动态满足程度
Keywords:
soil moisture dry orchard aspect of slope dynamic state satisfied degrees
分类号:
S718.516
文献标志码:
A
摘要:
以黄土高原丘陵沟壑区坡面果园为对象,通过测定阴坡、阳坡、半阴半阳坡坡面果园不同部位土壤的储水量,分析果园土壤水分空间、时间变异性,以及土壤水分亏缺程度。结果表明,坡面果园0200 cm土壤水分贮量为314.7 mm,低于坡地28.8%;土壤储水量受降水的影响呈现年际波动,同时土壤储水量波动具有明显滞后性。年内土壤水分可划分3个阶段,秋冬季土壤水分缓慢累积阶段,春末夏初土壤水分强烈消耗阶段,夏季土壤水分波动变化阶段。坡向、坡位不同,土壤水分变异很大,土壤水分贮量受降水等因素影响,在每年49月份土壤水分贮量低于适宜田间持水量。西北林学院学报21卷第5期王 健等黄土高原丘陵沟壑区坡面果园的土壤水分特征分析
Abstract:
Soil water characters are often complex, this paper presents a new framework on the soil water condition, also the traditional analysis method is practiced to illustrate the temporal & spatial variation and the wane degree of different oriental orchard slope of the hill gully region of the Loess Plateau. The 0200 cm depth water reserve of the orchard grade surface is 314.7 mm. 28.8% lower than the sloping field. The soil moisture storage capacity affected by precipitation assumes an annual fluctuation and this fluctuation presents an obvious hysteretic nature. The soil moisture content, had a wider variation with the difference of the aspect and slope location, provides us different stages in a year a slow accumulation in autumn and winter, an intense consumption in early summer and late spring. Soil moisture content is also affected by kinds of factors such as precipitation, and it is lower than the suitable field moisture capacity from Apr. to Sept. every year.

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备注/Memo

备注/Memo:
收稿日期20060309修回日期20060322基金项目中科院知识创新项目“黄土高原水土保持与生态环境建设试验示范研究”(kzcx10602003)作者简介王健(1973),男,陕西商州人,讲师,在读博士,主要从事水土保持与荒漠化防治方面研究与教学。
更新日期/Last Update: 2010-05-04