Selenium and salt mobilization in wetland and arid upland soils of Pariette Draw, Utah (USA)

Jones, Colleen; Grossl, Paul R.; Amacher, Michael C.; Boettinger, Janis L.; Jacobson, Astrid R.; Lawley, John R.

doi:10.1016/j.geoderma.2017.06.028

Cited by 15 publications

(4 citation statements)

References 25 publications

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“…The highest concentrations of Se at Pariette Wetlands were in the roots of P. australis (6.5 mg kg −1 ) and Typha (3.2 mg kg −1 ). The spatial distribution data of Se supports the high degree of mobility of Se in these wetlands as documented in previous papers [28,31]. No short-term year-to-year differences in plant accumulation were found, indicating a relatively constant level of input, output, and storage of Se in the wetlands.…”

Section: Mass Balance Of Seleniumsupporting

confidence: 87%

“…Se sediment concentrations used for the 2012 statistical analysis were taken from a soil pit in the Flood Control area approximately 10 m from the edge of wetlands in somewhat poorly drained soils. The methods are as described in Jones et al [28]. During the 2014 field season, sampling was expanded to include co-located samples of plant, sediment, and water samples.…”

Section: Field Methodsmentioning

confidence: 99%

“…Desorption from sediments can replenish the dissolved Se to feed plant uptake. The dominant mechanism driving the distribution and accumulation of salts and soluble Se in the upper horizons of the wetlands soils are attributed to capillary migration caused by a fluctuating water table influenced by a deluge of irrigation return water and high evapotranspiration rates coupled with low precipitation [28]. The accumulation and distribution of Se within plant tissues are determined by the plant's metabolism processes.…”

Section: Introductionmentioning

confidence: 99%

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Selenium Removal by Sediments and Plants at the Constructed Pariette Wetlands, Utah (USA)

Jones

Amacher

Grossl

et al. 2023

Water

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Selenium (Se) contamination of public lands and water is a result of irrigated agriculture and mining activities in areas rich in Se geologic deposits. Pariette Draw is part of the northern Colorado Plateau and is an area of concern for Se contamination in the Pariette Wetlands. Pariette Wetlands, a wetland built in the 1970s to provide wildlife habitat, is distinguished by its arid climate and a short growing season of hot dry summers followed by cold winters with several months below freezing. An understanding of how Se is mobilized and removed within the wetland will provide management strategies that minimize and mitigate Se contamination and promote sustainable ecosystem services. The data collected in 2012 and 2014 was the first comprehensive spatial and temporal analysis of Se in all environmental compartments (bird eggs, macroinvertebrates, plants, sediments, and water) of an arid wetland ecosystem in the Colorado Plateau. Water, sediment, and plant tissue samples were collected and analyzed to determine Se’s spatial and temporal variation in Pariette Wetlands. Se concentrations in water, sediment, and plants were evenly distributed throughout wetlands. No significant differences were found in plant Se concentrations between samples collected in 2012 (447 ± 44 ug kg−1) or 2014 (541 ± 42 μg kg−1), indicating that plant Se did not vary temporally during sampling. Aquatic plant species (e.g., pondweed (Potamogeton filiformis), 743 ± 66 μg kg−1 and watermilfoil (Myriophyllum spicatum), 874 ± 122 μg kg−1) accumulated more Se than plant species growing at the edges of the ponds (e.g., hardstem bulrush (Schoenoplectus acutus), 368 ± 37 μg kg−1 and cattail (Typha), 420 ± 43 μg kg−1). Plant roots (1045 ± 110 μg kg−1) accumulated more Se than aboveground vegetation (flowers, 228 ± 17 μg kg−1 or stems, 224 ± 19 μg kg−1). Relative to Se retained by sediments (75%), plants were not an extensive reservoir of wetland Se (<5%) but still may pose a risk to animals feeding on plant tissue. Thus, phytoremediation of Se does not appear to be a viable tool for Se mitigation in wetlands of arid climates with a short growing season, such as those located in the Colorado Plateau.

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Section: Mass Balance Of Seleniumsupporting

confidence: 87%

Section: Field Methodsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Selenium Removal by Sediments and Plants at the Constructed Pariette Wetlands, Utah (USA)

Jones

Amacher

Grossl

et al. 2023

Water

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“…Moisture migration under freezing is driven by various forces, including gravity, matric suction, osmotic force, and suction force of the phase transition interface [13][14][15][16]. Moisture migration in the soil under freezing also causes salt redistribution, freezing heave, and salt heave of the soil, leading to the occurrence of engineering diseases [17][18][19][20]. Mao [21] studied the moisture migration in Aeolian sand in open system under freezing conditions and showed that the moisture migration was driven by temperature gradient.…”

Section: Introductionmentioning

confidence: 99%

Experimental Study on Moisture Migration of Unsaturated Loess during the Freezing Process

Zhang

Wang

Liu

et al. 2020

Advances in Civil Engineering

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To reveal the water-heat transfer mechanism of unsaturated loess, the effects of soil dry density (1.30 g/cm3, 1.50 g/cm3, and 1.65 g/cm3), moisture content (13.3%, 16.2%, and 19.4%), cold end temperature (−7°C, −10°C, and −13°C), and freezing mode on moisture migration in unsaturated loess in this paper are studied through indoor tests of moisture migration under the freezing action of large-size unsaturated loess. The results show that the temperature change in soil samples in the freezing process can be divided into three stages: rapid cooling stage, slow cooling stage, and stable stage. The higher the dry density, the closer the freezing front is to the cold end, with the initial moisture content having little effect on the freezing front, while the temperature at the cold end has a significant effect on the location of the freezing front. The total amount of moisture migration decreases with the increase of dry density, increases with the increase of moisture content, and increases with the decrease of cold end temperature. The freezing mode directly affects the distribution of moisture content and total amount of moisture migration in the frozen area.

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Soil Se Characteristics and the Possible Influencing Factors in Lanshan District of Linyi, Shandong, China

Zhang

et al. 2022

Water Air Soil Pollut

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Selenium and salt mobilization in wetland and arid upland soils of Pariette Draw, Utah (USA)

Cited by 15 publications

References 25 publications

Selenium Removal by Sediments and Plants at the Constructed Pariette Wetlands, Utah (USA)

Selenium Removal by Sediments and Plants at the Constructed Pariette Wetlands, Utah (USA)

Experimental Study on Moisture Migration of Unsaturated Loess during the Freezing Process

Soil Se Characteristics and the Possible Influencing Factors in Lanshan District of Linyi, Shandong, China

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