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Simultaneous Quantification of Soil Phosphorus Labile Pool and Desorption Kinetics Using DGTs and 3D-DIFS

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Simultaneous Quantification of Soil Phosphorus Labile Pool and Desorption Kinetics Using DGTs and 3D-DIFS. / Menezes-Blackburn, D.; Sun, J.; Lehto, N.J.; Zhang, H.; Stutter, M.; Giles, C.D.; Darch, T.; George, T.S.; Shand, C.; Lumsdon, D.; Blackwell, M.; Wearing, C.; Cooper, P.; Wendler, R.; Brown, L.; Al-Kasbi, M.; Haygarth, P.M.

In: Environmental Science and Technology, Vol. 53, No. 12, 18.06.2019, p. 6718-6728.

Research output: Contribution to Journal/MagazineJournal articlepeer-review

Harvard

Menezes-Blackburn, D, Sun, J, Lehto, NJ, Zhang, H, Stutter, M, Giles, CD, Darch, T, George, TS, Shand, C, Lumsdon, D, Blackwell, M, Wearing, C, Cooper, P, Wendler, R, Brown, L, Al-Kasbi, M & Haygarth, PM 2019, 'Simultaneous Quantification of Soil Phosphorus Labile Pool and Desorption Kinetics Using DGTs and 3D-DIFS', Environmental Science and Technology, vol. 53, no. 12, pp. 6718-6728. https://doi.org/10.1021/acs.est.9b00320

APA

Menezes-Blackburn, D., Sun, J., Lehto, N. J., Zhang, H., Stutter, M., Giles, C. D., Darch, T., George, T. S., Shand, C., Lumsdon, D., Blackwell, M., Wearing, C., Cooper, P., Wendler, R., Brown, L., Al-Kasbi, M., & Haygarth, P. M. (2019). Simultaneous Quantification of Soil Phosphorus Labile Pool and Desorption Kinetics Using DGTs and 3D-DIFS. Environmental Science and Technology, 53(12), 6718-6728. https://doi.org/10.1021/acs.est.9b00320

Vancouver

Author

Menezes-Blackburn, D. ; Sun, J. ; Lehto, N.J. ; Zhang, H. ; Stutter, M. ; Giles, C.D. ; Darch, T. ; George, T.S. ; Shand, C. ; Lumsdon, D. ; Blackwell, M. ; Wearing, C. ; Cooper, P. ; Wendler, R. ; Brown, L. ; Al-Kasbi, M. ; Haygarth, P.M. / Simultaneous Quantification of Soil Phosphorus Labile Pool and Desorption Kinetics Using DGTs and 3D-DIFS. In: Environmental Science and Technology. 2019 ; Vol. 53, No. 12. pp. 6718-6728.

Bibtex

@article{1c0afb5778fe41878a128370a61757a8,
title = "Simultaneous Quantification of Soil Phosphorus Labile Pool and Desorption Kinetics Using DGTs and 3D-DIFS",
abstract = "The buffering of phosphorus concentrations in soil solution by the soil-solid phase is an important process for providing plant root access to nutrients. Accordingly, the size of labile solid phase-bound phosphorus pool and the rate at which it can resupply phosphorous into the dissolved phase can be important variables in determining when the plant availability of the nutrient may be limited. The phosphorus labile pool (P-labile) and its desorption kinetics were simultaneously evaluated in 10 agricultural UK soils using the diffusive gradients in thin-films (DGT) technique. The DGT-induced fluxes in the soil and sediments model (DIFS) was fitted to the time series of DGT deployments (1-240 h), which allowed the estimation of P-labile, and the system response time (T-c). The P-labile concentration was then compared to that obtained by several soil P extracts including Olsen P, FeO-P, and water extractable P, in order to assess if the data from these analytical procedures can be used to represent the labile P across different soils. The Olsen P concentration, commonly used as a representation of the soil labile P pool, overestimated the desorbable P concentration by 6-fold. The use of this approach for the quantification of soil P desorption kinetic parameters found a wide range of equally valid solutions for T-c. Additionally, the performance of different DIFS model versions working in different dimensions (1D, 2D, and 3D) was compared. Although all models could provide a good fit to the experimental DGT time series data, the fitted parameters showed a poor agreement between different model versions. The limitations of the DIFS model family are associated with the assumptions taken in the modeling approach and the three-dimensional (3D) version is here considered to be the most precise among them.",
keywords = "Desorption, Iron oxides, Kinetics, Lakes, Nutrients, Phosphorus, Soil moisture, Time series, Analytical procedure, Desorption kinetics, Diffusive gradients in thin films, Phosphorus concentration, Plant availability, Soil and sediment, System response time, Threedimensional (3-d), Soil pollution",
author = "D. Menezes-Blackburn and J. Sun and N.J. Lehto and H. Zhang and M. Stutter and C.D. Giles and T. Darch and T.S. George and C. Shand and D. Lumsdon and M. Blackwell and C. Wearing and P. Cooper and R. Wendler and L. Brown and M. Al-Kasbi and P.M. Haygarth",
year = "2019",
month = jun,
day = "18",
doi = "10.1021/acs.est.9b00320",
language = "English",
volume = "53",
pages = "6718--6728",
journal = "Environmental Science and Technology",
issn = "0013-936X",
publisher = "American Chemical Society",
number = "12",

}

RIS

TY - JOUR

T1 - Simultaneous Quantification of Soil Phosphorus Labile Pool and Desorption Kinetics Using DGTs and 3D-DIFS

AU - Menezes-Blackburn, D.

AU - Sun, J.

AU - Lehto, N.J.

AU - Zhang, H.

AU - Stutter, M.

AU - Giles, C.D.

AU - Darch, T.

AU - George, T.S.

AU - Shand, C.

AU - Lumsdon, D.

AU - Blackwell, M.

AU - Wearing, C.

AU - Cooper, P.

AU - Wendler, R.

AU - Brown, L.

AU - Al-Kasbi, M.

AU - Haygarth, P.M.

PY - 2019/6/18

Y1 - 2019/6/18

N2 - The buffering of phosphorus concentrations in soil solution by the soil-solid phase is an important process for providing plant root access to nutrients. Accordingly, the size of labile solid phase-bound phosphorus pool and the rate at which it can resupply phosphorous into the dissolved phase can be important variables in determining when the plant availability of the nutrient may be limited. The phosphorus labile pool (P-labile) and its desorption kinetics were simultaneously evaluated in 10 agricultural UK soils using the diffusive gradients in thin-films (DGT) technique. The DGT-induced fluxes in the soil and sediments model (DIFS) was fitted to the time series of DGT deployments (1-240 h), which allowed the estimation of P-labile, and the system response time (T-c). The P-labile concentration was then compared to that obtained by several soil P extracts including Olsen P, FeO-P, and water extractable P, in order to assess if the data from these analytical procedures can be used to represent the labile P across different soils. The Olsen P concentration, commonly used as a representation of the soil labile P pool, overestimated the desorbable P concentration by 6-fold. The use of this approach for the quantification of soil P desorption kinetic parameters found a wide range of equally valid solutions for T-c. Additionally, the performance of different DIFS model versions working in different dimensions (1D, 2D, and 3D) was compared. Although all models could provide a good fit to the experimental DGT time series data, the fitted parameters showed a poor agreement between different model versions. The limitations of the DIFS model family are associated with the assumptions taken in the modeling approach and the three-dimensional (3D) version is here considered to be the most precise among them.

AB - The buffering of phosphorus concentrations in soil solution by the soil-solid phase is an important process for providing plant root access to nutrients. Accordingly, the size of labile solid phase-bound phosphorus pool and the rate at which it can resupply phosphorous into the dissolved phase can be important variables in determining when the plant availability of the nutrient may be limited. The phosphorus labile pool (P-labile) and its desorption kinetics were simultaneously evaluated in 10 agricultural UK soils using the diffusive gradients in thin-films (DGT) technique. The DGT-induced fluxes in the soil and sediments model (DIFS) was fitted to the time series of DGT deployments (1-240 h), which allowed the estimation of P-labile, and the system response time (T-c). The P-labile concentration was then compared to that obtained by several soil P extracts including Olsen P, FeO-P, and water extractable P, in order to assess if the data from these analytical procedures can be used to represent the labile P across different soils. The Olsen P concentration, commonly used as a representation of the soil labile P pool, overestimated the desorbable P concentration by 6-fold. The use of this approach for the quantification of soil P desorption kinetic parameters found a wide range of equally valid solutions for T-c. Additionally, the performance of different DIFS model versions working in different dimensions (1D, 2D, and 3D) was compared. Although all models could provide a good fit to the experimental DGT time series data, the fitted parameters showed a poor agreement between different model versions. The limitations of the DIFS model family are associated with the assumptions taken in the modeling approach and the three-dimensional (3D) version is here considered to be the most precise among them.

KW - Desorption

KW - Iron oxides

KW - Kinetics

KW - Lakes

KW - Nutrients

KW - Phosphorus

KW - Soil moisture

KW - Time series

KW - Analytical procedure

KW - Desorption kinetics

KW - Diffusive gradients in thin films

KW - Phosphorus concentration

KW - Plant availability

KW - Soil and sediment

KW - System response time

KW - Threedimensional (3-d)

KW - Soil pollution

U2 - 10.1021/acs.est.9b00320

DO - 10.1021/acs.est.9b00320

M3 - Journal article

VL - 53

SP - 6718

EP - 6728

JO - Environmental Science and Technology

JF - Environmental Science and Technology

SN - 0013-936X

IS - 12

ER -