黄三角濒海区土壤水盐时空分异特征及耦合关系分析

张术伟; 王卓然; 常春艳; 赵庚星; 陈悦; 潘敬瑞

doi:10.13870/j.cnki.stbcxb.2022.04.037

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黄三角濒海区土壤水盐时空分异特征及耦合关系分析

更新时间：2025-03-12

- 黄三角濒海区土壤水盐时空分异特征及耦合关系分析
- Spatial-temporal Characteristics of Soil Water and Salt and Its Coupling Relationship in the Coastal Area of Yellow Triangle
- 水土保持学报 2022年36卷第4期页码：299-308
- 作者机构：
  
  山东农业大学资源与环境学院土肥高效利用国家工程研究中心,山东,泰安,271018
- 作者简介：
  
  [ "张术伟(1998—),女,硕士研究生,主要从事土地资源与信息研究。E-mail:zsw00019@163.com" ]
- 基金信息：
  
  国家自然科学基金项目（41877003）山东省重大科技创新工程项目（2019JZZY010724）山东省"双一流"奖补资金项目（SYL2017XTTD02）
- DOI：10.13870/j.cnki.stbcxb.2022.04.037
  中图分类号： S153.6
- 纸质出版：2022
- 稿件说明：
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张术伟, 王卓然, 常春艳, 等. 黄三角濒海区土壤水盐时空分异特征及耦合关系分析[J]. 水土保持学报, 2022,36(4):299-308.

ZHANG Shuwei, WANG Zhuoran, CHANG Chunyan, et al. Spatial-temporal Characteristics of Soil Water and Salt and Its Coupling Relationship in the Coastal Area of Yellow Triangle[J]. 2022, 36(4): 299-308.
张术伟, 王卓然, 常春艳, 等. 黄三角濒海区土壤水盐时空分异特征及耦合关系分析[J]. 水土保持学报, 2022,36(4):299-308. DOI： 10.13870/j.cnki.stbcxb.2022.04.037.

ZHANG Shuwei, WANG Zhuoran, CHANG Chunyan, et al. Spatial-temporal Characteristics of Soil Water and Salt and Its Coupling Relationship in the Coastal Area of Yellow Triangle[J]. 2022, 36(4): 299-308. DOI： 10.13870/j.cnki.stbcxb.2022.04.037.

摘要

选择黄河三角洲代表区域垦利区和无棣县，将野外调查与室内分析得到的土壤表层水盐数据，按照季节、植被类型、与渤海距离进行归类，利用经典统计分析、耦合度模型、缓冲区分析、Origin三维关系分析等方法，分析研究区土壤表层（0—15 cm）水盐时空分异特征及其耦合关系。结果表明：研究区土壤水盐含量总体较高，含盐量以中度盐渍化为主，垦利土壤表层水盐含量整体高于无棣；不同季节土壤含水量排序为夏季>春季>秋季>冬季，土壤含盐量排序为春季>秋季>冬季>夏季，耦合度关系比较为春季>秋季>冬季>夏季；不同植被类型土壤含水量排序为荒草地>光板地>耕地>林地，土壤含盐量排序为光板地>荒草地>耕地>林地，耦合度关系比较为光板地>荒草地>耕地>林地；由近海到内陆，研究区土壤表层含水量、含盐量以及水盐耦合度呈现逐步递减的趋势，其中无棣变化趋势较为平缓，垦利土壤含盐量在距海40~50 km处上升，土壤含水量在距海30~40 km处明显上升，表层水盐耦合度也有所提高。研究结果为黄三角濒海区土壤资源的合理规划利用提供理论依据。

Abstract

In this study

Kenli District and Wudi County

representative regions of the Yellow River Delta

were selected to classify the soil surface water and salt data obtained from field survey and indoor analysis according to seasons

vegetation types and the distance from Bohai Sea. Classical statistical analysis

coupling degree model

buffer zone analysis

origin three-dimensional relationship analysis and other methods were used. The spatial-temporal characteristics of water and salt in soil surface (0-15 cm) and its coupling relationship were analyzed. The results showed that the soil water and salt content was higher in the study area

and the salt content was mainly moderate salinization. The water and salt contents of soil surface in Kenli District was higher than those of Wudi. The order of soil water contents in different seasons was summer>spring>autumn>winter

and the order of soil salt contents was spring>autumn>winter>summer. The relationship of coupling degree was spring>autumn>winter>summer. The order of soil water contents of different vegetation types was waste grassland>bare land>cultivated land>forest land

the order of soil salt contents was bare land>waste grassland>cultivated land>forest land

and the order of coupling degree was bare land>waste grassland>cultivated land>forest land. From offshore to inland

soil surface water content

salt content and coupling degree of water and salt in the study area gradually decreased. The changing trend in Wudi County was gentle

while the salt content in Kenli District increased from 40 to 50 km to the sea

and the water content increased significantly from 30 to 40 km to the sea

and the coupling degree of surface water and salt also increased. These results provide a theoretical basis for the rational planning and utilization of soil resources in the coastal area of the Yellow River Delta.

关键词

Keywords

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