沿海地区盐/咸水养殖造成的土壤盐碱化风险的检测与缓解:遥感和有管理的含水层补给的应用

IF 1.7 4区 环境科学与生态学 Q4 ENVIRONMENTAL SCIENCES
Diep Ngoc Nguyen, Emilia Chiapponi, Dong Minh Nguyen, Marco Antonellini, Sonia Silvestri
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引用次数: 0

摘要

本研究的重点是检测和缓解湄公河三角洲(越南)四个沿海地区的土壤盐碱化。湄公河三角洲土壤盐碱化的模式并非随机的,而是与土地利用方式和与海洋的距离有关。我们研究了两种快速可靠的遥感技术,用于检测沿海水产养殖区,并将其与内陆淡水农田区分开来。这些技术最终可用于识别其他沿海地区盐碱化风险较高的地点。最后,我们研究了一种减轻盐碱化的解决方案,即在沿海水产养殖区与内陆淡水农业区之间的缓冲区建立一个有管理的含水层补给系统。只要考虑到水文地质特征、淡水-盐水界面位置和淡水需求,在湄公河三角洲实施渗透池系统在技术上是可行的。在百略省、朔庄省、茶荣省和檳椥省,淡水农业和咸水养殖之间的过渡地带是实施含水层补给/淡水屏障计划的最佳地点。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

Detection and mitigation of soil salinization risk from saline/brackish water aquaculture in coastal areas: an application of remote sensing and managed aquifer recharge

Detection and mitigation of soil salinization risk from saline/brackish water aquaculture in coastal areas: an application of remote sensing and managed aquifer recharge

This study focuses on detecting and mitigating soil salinization in four coastal areas of the Mekong Delta (Vietnam). Salinity patterns in the soils of the Mekong River Delta are not random but linked to land use practices and distance to the sea. We examine two quick yet reliable remote sensing-based techniques to detect the coastal aquaculture area and separate it from the inland freshwater farmland. These techniques can eventually be used to identify locations with an elevated risk of salinization in other coastal regions. Finally, we investigate a salinization mitigation solution based on creating a managed aquifer recharge system along the buffer zone that separates the coastal aquaculture area from the inland freshwater agriculture area. The implementation of an infiltration pond system is technically feasible in the Mekong Delta provided that hydrogeological characteristics, the fresh-saline interface position, and freshwater demands are considered. The transitional zone between freshwater agriculture and brackish water aquaculture in Bac Lieu, Soc Trang, Tra Vinh and Ben Tre provinces is optimal for implementing an aquifer recharge/freshwater barrier scheme.

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来源期刊
Journal of Coastal Conservation
Journal of Coastal Conservation ENVIRONMENTAL SCIENCES-MARINE & FRESHWATER BIOLOGY
CiteScore
3.60
自引率
4.80%
发文量
55
期刊介绍: The Journal of Coastal Conservation is a scientific journal for the dissemination of both theoretical and applied research on integrated and sustainable management of the terrestrial, coastal and marine environmental interface. A thorough understanding of both the physical and the human sciences is important to the study of the spatial patterns and processes observed in terrestrial, coastal and marine systems set in the context of past, present and future social and economic developments. This includes multidisciplinary and integrated knowledge and understanding of: physical geography, coastal geomorphology, sediment dynamics, hydrodynamics, soil science, hydrology, plant and animal ecology, vegetation science, biogeography, landscape ecology, recreation and tourism studies, urban and human ecology, coastal engineering and spatial planning, coastal zone management, and marine resource management.
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