Formation process of underground freshwater based 
on zoning and stratification of coral reef island

JU Yuan-jiang; HU Ming-jian; LIU Yang; ZHU Xu; QIN Kun-kun

doi:10.16285/j.rsm.2021.0145

English Version Journal Login

您当前的位置：

首页 >

文章列表页 >

Formation process of underground freshwater based on zoning and stratification of coral reef island

更新时间：2026-06-25

- Formation process of underground freshwater based on zoning and stratification of coral reef island
- Vol. 43, Issue 5, Pages: 1226-1236(2022)
- 作者机构：
  
  1. 中国科学院武汉岩土力学研究所岩土力学与工程国家重点实验室,湖北,武汉,430071
  2. 中国矿业大学资源与地球科学学院,江苏,徐州,221116
- 作者简介：
- 基金信息：
- DOI：10.16285/j.rsm.2021.0145
  CLC： P731
- Online First：02 May 2022，
  
  Published：2022
- 稿件说明：
移动端阅览
JU Yuan-jiang, HU Ming-jian, LIU Yang, et al. Formation process of underground freshwater based on zoning and stratification of coral reef island[J]. 2022, 43(5): 1226-1236.
DOI：

JU Yuan-jiang, HU Ming-jian, LIU Yang, et al. Formation process of underground freshwater based on zoning and stratification of coral reef island[J]. 2022, 43(5): 1226-1236. DOI： 10.16285/j.rsm.2021.0145.

摘要

为了探究土的分层特征对珊瑚礁岛下淡水透镜体形成的意义，在南海某珊瑚礁岛采用钻孔取样，分析每个钻孔不同层位样品的粒度。根据水平和垂直方向上的粒度特征，确定岛的水平分区和垂直分层；根据每个钻孔所代表的范围，确定每个水平分区的面积；根据每个钻孔中不同颗粒级配的样品所代表的厚度，确定每个垂直分层厚度。礁灰岩以上松散层的不同分区和分层的颗粒级配控制地层的渗透性，垂直和水平方向的渗透性特征控制淡水透镜体形成的难度、淡水透镜体的总厚度以及过渡带的厚度。根据岛的总面积和垂直分层数建立数值模型，得到不同时间、不同水平位置和垂直深度的地下水浓度特征的模拟结果。

Abstract

In order to understand the significance of stratum stratification characteristics during the formation of underground freshwater lens in the coral reef islands

the particle size distribution of the samples drilled at various depths of a coral reef island in the South China Sea is analyzed. The zone and stratification of the island are determined according to the particle size characteristics in the horizontal and vertical directions

respectively. The area of each zone is determined based on the range covered by each drilling

and the thickness of each stratum is determined by the thickness of the samples with similar particle size in each drill hole. The permeability of the strata is controlled by the particle size distribution of different zones and strata of the loose layer above the reef limestone

while the vertical and horizontal permeabilities control the difficulty of the underground freshwater lens formation

the total thickness of the freshwater lens

and the thickness of the transition zone. The numerical model is established by considering the total area of the island and the number of strata. Finally

the numerical results of groundwater concentration characteristics at different times

horizontal positions and depths are obtained.

关键词

Keywords

references

Views

293

下载量

CSCD

Alert me when the article has been cited

提交

Tools

Publicity Resources

Nonlinear mechanical response of surrounding rock in compressed air energy storage cavern based on Hoek-Brown criterion

Hydraulic scouring resistance characteristics of geosynthetics reinforced slopes

Elasto-viscoplastic bounding surface model for unsaturated time-dependent soils incorporating non-stationary flow rule

Mechanical properties and microstructural evolution of peaty soils subjected to freeze-thaw cycles

Mechanism of water infiltration affecting ground ice melting in the silty clay layers of the Dema Expressway in the eastern Qinghai-Xizang Plateau

Related Author

No data

Related Institution

No data

AI问答

⁰