[1]张红峰,荐圣淇.伊洛河胡沟小流域不同植被类型对水分储量以及水分利用的影响[J].浙江林业科技,2023,43(01):30-37.[doi:10.3969/j.issn.1001-3776.2023.01.005]
 ZHANG Hong-feng,JIAN Sheng-qi.Effects of Different Vegetation Types on Soil Water Content and Use in Hugou Watershed[J].Journal of Zhejiang Forestry Science and Technology,2023,43(01):30-37.[doi:10.3969/j.issn.1001-3776.2023.01.005]
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伊洛河胡沟小流域不同植被类型对水分储量以及水分利用的影响()
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《浙江林业科技》[ISSN:1001-3776/CN:33-1112/S]

卷:
43
期数:
2023年01期
页码:
30-37
栏目:
出版日期:
2023-01-15

文章信息/Info

Title:
Effects of Different Vegetation Types on Soil Water Content and Use in Hugou Watershed
文章编号:
1001-3776(2023)01-0030-008
作者:
张红峰1荐圣淇2
1.河南省嵩县水土保持科学研究所,河南 嵩县 471400;2.郑州大学 水利科学与工程学院,河南 郑州 450001
Author(s):
ZHANG Hong-feng1JIAN Sheng-qi2
1.Songxian Soil and Water Conservation Institute of Henan, Songxian 471400, China;2.College of Water Conservancy Science & Engineering, Zhengzhou University, Zhengzhou 450001, China
关键词:
土壤水分蒸散发降水植被类型伊洛河胡沟小流域
Keywords:
soil moisture evapotranspiration precipitation vegetation types Hugou watershed in Yiluo River
分类号:
S715
DOI:
10.3969/j.issn.1001-3776.2023.01.005
文献标志码:
A
摘要:
以伊洛河胡沟小流域为研究区,通过2007—2020年长期的野外观测,研究了农作物(普通小麦Triticumaestivum)、乔木林(大叶杨Populuslasiocarpa林)、经济林(皂荚Gleditsiasinensis林)、灌木林(沙棘Hippophaerhamnoides林)和草(长芒草Stipabungeana)地5不同植被类型对土壤水分动态和水分胁迫的影响。结果表明:(1)在生长季初期和生长季末期,5种植被类型土壤水分储量均呈下降趋势,其中,灌木林的土壤水分下降趋势明显小于其他植被类型,乔木林与草地的土壤含水量具有较大的下降趋势。(2)各植被类型实际蒸散发(ET)与潜在蒸散发(ETP)的比值总体呈下降趋势,其中,灌木林的ET/ETP比值最大,其次为草地、农作物、经济林和乔木林。乔木林较低的ET/ETP比值主要是由于土壤含水量降低,导致土壤压实,地表径流增加。(3)各植被类型实际蒸散发与降水的比值(ET/P)在2007年、2011年、2012年、2014年、2017年和2019年均大于1。各植被类型的ET/P比值从大到小依次为:灌木林>草地>农作物>经济林>乔木林。(4)生长季开始时的土壤含水量是决定ET/ETP比值的关键因素。
Abstract:
From 2007 to 2020, observation and determinations were carried out on response of different vegetation types (crop, arbor, economic tree, shrub and grass) on soil water dynamics in Hugou watershed of Xongxian county, Henan province. The results showed that soil water storage decreased at both the beginning and the ending of growing seasons in different vegetation types. The soil water content in shrub decreased significantly slower than in the other vegetation types, while that in arbor and grass decreased quicker. The ratios of total evaporation (ET) to potential evaporation (ETP) showed a decreasing trend in tested types of vegetation, among them, that of shrub were the highest, followed by grass, crop, economic tree and arbor. Lower ET/ETP ratios in arbor were mainly caused by decreasing of soil water content, leading to soil compaction and increasing of surface runoff. The ratios of total evaporation to precipitation (ET/P ) of different vegetation types were greater than 1 in 2007, 2011, 2012, 2014, 2017 and 2019. The order of ET/P ratios of different vegetation types were shrub>grall>crop>economic tree>aobor . The soil water content at the beginning of growing season was the most important factor in determining the ET/ETP ratios.

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备注/Memo

备注/Memo:
收稿日期:2022-08-06;修回日期:2022-11-09基金项目:河南省自然科学基金(212300410413)作者简介:张红峰,高工,从事水土保持研究;E-mail: sxzhf@163.com。通信作者:荐圣淇,副教授,博士,从事水文水资源研究;E-mail:jiansq@zzu.edu.cn。
更新日期/Last Update: 2023-01-10