Saline-Water Intrusion Management

Liem

et al. 2021

Vietnam J. Earth Sci.

The Mekong Delta is the most severely affected area by saltwater intrusion in Vietnam. Recent studies have focused on predicting this disaster with weekly and decade lead times without many seasonal forecasts, which is important for planning crop selection, crop structure, and sowing time. This study aims to forecast the spatial distribution of saltwater intrusion into the Mekong river estuaries of Vietnam during the dry season of 2021 by integrating Auto-Regressive Integrated Moving Average with Geographic Information System. ARIMA models were trained with a single input of water salinity measurements from 2012 to 2020. Compared to the weekly salinity observations in 2021, these models predicted very well in the My Tho and Ham Luong rivers but unsatisfactory performance in the Co Chien river. The deepest saltwater intrusion will occur between March 19th and April 16th of 2021, when the 4‰ saline front will move the farthest distance of 41,41 and 44 kilometers inland from the sea through My Tho, Ham Luong Co Chien rivers, respectively. The entire river system will be exposed to moderate risk of saltwater intrusion. Freshwater zones decreased significantly to 0.73% of the whole area of Ben Tre province. These findings could provide a valuable scientific foundation for the appropriate management of coastal aquifers to control or reduce saltwater intrusion.

Section: Analysis Of Saltwater Intrusion In Last Nine Years (2012-2020)mentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 1 more Smart Citation

Performance evaluation of Auto-Regressive Integrated Moving Average models for forecasting saltwater intrusion into Mekong river estuaries of Vietnam

Liem

et al. 2021

Vietnam J. Earth Sci.

Assessing the Physicochemical and Microbiological Condition of Surface Waters in Urabá-Colombia: Impact of Human Activities and Agro-Industry

Aristizabal-Tique,

Gómez-Gallego,

Ramos-Hernández

et al. 2024

Water Air Soil Pollut

Water resources in the Urabá region of Colombia, one of the most significant banana-producing areas for global consumption, are confronted with substantial challenges due to agro-industrial activities, population growth, untreated wastewater discharge, and excessive groundwater usage. This study aims to comprehensively evaluate the physicochemical and microbiological characteristics of surface waters in Urabá, delving into the influence of agro-industrial activities and human interventions on water quality. The evaluation includes a correlation analysis of multiple water quality parameters measured in ten significant rivers of the region. The findings reveal overall water pollution, potentially associated with the lack of wastewater treatment systems in nearby communities and indicate potential seawater intrusion due to groundwater overexploitation from human and agricultural activities. Among the studied rivers, the Apartadó River exhibits the poorest water quality, while the León River demonstrates better conditions, benefiting from less human interference and natural ecosystems.

Journal of Water and Climate Change

Potential management practices of saltwater intrusion impacts on soil health and water quality: a review

Bayabil

Tong

et al. 2020

Several studies have documented the multifaceted impacts of climate change and variability on agricultural and environmental sustainability, and social and economic development. Climate change and variability contribute to increased warmer conditions, increased frequency of heavy rain that accounts for an increasing proportion of total rainfall, extreme weather characterized by spatially variable cycles of drought and wetness, increased frequency of tropical storms/hurricanes, increased frequency of storm surges, and accelerated rate of sea-level rise (SLR). As SLR continues, it is expected that salinity due to saltwater intrusion (SWI) will impact soil health and agricultural production. As such, the significant threats of salinity necessitate more work to be done to better understand its impact on soil health and associated functional ecosystem processes. This is even of greater importance in areas such as South Florida where the surface and groundwater resources are hydrologically connected due to the shallow and highly permeable limestone soils. A better understanding of the impacts of salinity due to SWI on soil health is critical to design effective mitigation strategies. Healthy soil has multifaceted benefits to enhance agricultural productivity, i.e. regulates the flow of water; serves as a source and sink of nutrients; minimizes greenhouse gas emissions and provides optimal biological and chemical conditions for the transformation of nutrients into plant-available forms. Improved understanding of the processes and impacts of SWI on soil health will assist in guiding management decisions and policies to mitigate the impacts of SWI and salinity on agricultural soils. This review paper provides a comprehensive overview of the impacts of SWI and soil salinity on agricultural soil health and water quality.