Erratum to “Effects of intensive urbanization on the intrusion of shallow groundwater into deep groundwater: Examples from Bangkok and Jakarta”

Onodera, Shin Ichi; Saito, Mitsuyo; Sawano, Misa; Hosono, Takahiro; Taniguchi, Makoto; Shimada, Jun; Umezawa, Yu; Lubis, Rachmat Fajar; Buapeng, Somkid; Delinom, Robert M.

doi:10.1016/j.scitotenv.2009.01.049

Cited by 21 publications

(8 citation statements)

References 16 publications

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“…In Canterbury, historical SWI was linked to the downwards migration of seawater from an overlying estuary, resulting in localised SWI (Scott and Wilson, 2012). In Bangkok, regional salinization of the semi-confined aquifer is thought to be at least partially driven by downwards leakance of saltwater from overlying salinized aquifers (Buapeng and Wattayakorn, 2008;Onodera et al, 2009). In Table 5, SWI or saltwater from an undefined source is noted in eight regions (including Canterbury and Bangkok).…”

Section: Global Assessment Of the Potential Onshore Influence Of Ofgmentioning

confidence: 99%

The onshore influence of offshore fresh groundwater

Knight

Werner

Morgan

2018

Journal of Hydrology

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Section: Global Assessment Of the Potential Onshore Influence Of Ofgmentioning

confidence: 99%

The onshore influence of offshore fresh groundwater

Knight

Werner

Morgan

2018

Journal of Hydrology

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“…concentration into deep aquifers without any denitrification or dilution, which might result from excessive pumping of deep groundwater leading to a hydraulic gradient between the shallow and deep aquifers across the aquitard (Onodera et al, 2009). Liu et al (2005) also reported high NO 3 concentrations in the deep aquifer and attributed them to measurement errors or interaction between the shallow and deep aquifers.…”

Section: Interaction Between Shallow and Deep Groundwatermentioning

confidence: 99%

“…Traditionally, surface water and groundwater were considered different components of the hydrological cycle, although communication between the two water bodies was previously investigated in various scales (Winter et al, 1998;Barthel, 2014). More recently, intensive pumping from deep confined aquifers enabled communication between aquifers (Onodera et al, 2009;Yuan et al, 2013). Nevertheless, it is difficult to determine the timing and path of these interactions due to the significant spatial and temporal variability in the phenomenon (Keery et al, 2007), especially in low-precipitation regions (Scanlon et al, 2006;Jolly et al, 2008).…”

Section: Introductionmentioning

confidence: 99%

Interaction between surface water and groundwater revealed by multi-tracer and statistical approaches in the Baiyangdian Lake watershed, North China Plain

Sakakibara

Tsujimura

Song

et al. 2016

Hydrological Research Letters

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The surface water/groundwater-continuum flow system is investigated through an intensive field survey downstream of the Baiyangdian Lake watershed, North China Plain. Oxygen and hydrogen isotope and chemical analyses are conducted on surface water, shallow groundwater, and deep groundwater and the results are processed by applying principal component and cluster analyses. The surface water of the Fu River, Tang Reservoir, and Baiyangdian Lake is strongly affected by anthropogenic influence, resulting in high nitrate-ion concentration, a distinct sodium-sulfate water-type derived from industrial wastewater, and enriched stable isotopic compositions due to accumulated evaporation, respectively. In some areas, shallow groundwater shows close chemical and isotopic affinity to surface water, indicating that surface water recharges to shallow groundwater. Deep groundwater shows lower chemical and isotopic signals than surface water and shallow groundwater. However, a slightly high nitrate-ion concentration is observed in some samples of deep groundwater, suggesting a partial communication between shallow and deep aquifers.

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“…Both developed and developing countries are experiencing serious issues due to anthropogenic groundwater contamination and recharge through leakage into the water supply network, municipal sewage, and onsite waste disposal [1][2][3][4]. These concerns are more severe in areas in which groundwater is the primary source of fresh water [5,6], as well as in the densely populated areas of developing countries due to improper infrastructure [7][8][9].…”

Section: Introductionmentioning

confidence: 99%

Seasonal Groundwater Quality Status and Nitrogen Contamination in the Shallow Aquifer System of the Kathmandu Valley, Nepal

Shakya

Nakamura

Kamei

et al. 2019

Water

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: The increasing concentration of nitrogen compounds in the groundwater is of a growing concern in terms of human health and groundwater quality. Although an excess of nitrogen compounds in the groundwater of the Kathmandu Valley has been reported, the seasonal variations of the fate of the nitrogen compounds and their relationships to the subsurface sediments are unknown. In this study, spatially distributed shallow dug well samples were collected during both the dry and wet seasons of 2016, and the nitrogen compound, chloride (Cl−), and iron (Fe2+) concentrations were analyzed. Two shallow dug wells and one deep tube well were monitored monthly for 2 years. Although NH4-N concentrations were similar in the clay-dominated areas during both seasons (1 and 0.9 mg-N/L), they were lower in the gravel-dominated areas during wet season (1.8 > 0.6 mg-N/L). The NO3-N concentration differed depending upon the soil type which increased during the wet season (clay 4.9 < 13.6 mg-N/L and gravel 2.5 < 6.8 mg-N/L). The Fe2+ concentration, however, was low during the wet season (clay 2.7 > 0.4 mg/L and gravel 2.8 > 0.3 mg/L). Long-term analysis showed higher fluctuation of nitrogen compounds in the gravel-bearing areas than in the clay-bearing areas.

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Erratum to “Effects of intensive urbanization on the intrusion of shallow groundwater into deep groundwater: Examples from Bangkok and Jakarta”

Cited by 21 publications

References 16 publications

The onshore influence of offshore fresh groundwater

The onshore influence of offshore fresh groundwater

Interaction between surface water and groundwater revealed by multi-tracer and statistical approaches in the Baiyangdian Lake watershed, North China Plain

Seasonal Groundwater Quality Status and Nitrogen Contamination in the Shallow Aquifer System of the Kathmandu Valley, Nepal

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