Ecohydrology and stormwater nutrient attenuation performance of constructed wetland in Western Australia

Tanveer M. Adyel, Ana L. R. Conti, Carlos Ocampo, Jana Z. Coletti, Matthew R. Hipsey, Carolyn Oldham

Research output: Chapter in Book/Report/Conference proceedingConference PaperResearch

Abstract

The present study investigated ecohydrology and urban stormwater nutrient attenuation of Anvil Way Compensation Basin (AWCB) of Western Australia. This constructed wetland enjoys stormwater runoff through main inlet and an ungauged drain plus groundwater input, and discharges at main outlet. The hydrological assessment establishes a basic water balance for the wetland from June 2012 to December 2013. Volumetric contribution from ungauged areas (drain and groundwater) is large (40-80%) for small and frequent rainfall events, particularly between the spring and summer season, and 13-27 % for mid-size to large rainfall events. Concentration of NH3, NOX, TKN, DON, TN, FRP and TP at outlet is compared with targets guideline of freshwater ecosystem. TN complies with the targets on most of the sampling occasions, while AWCB fails to reduce TP concentration below the target. Several limitations i.e., the presence of
ungauged inputs and lack of flow data, are encountered to quantify the nutrient attenuation. Therefore an alternative approach i.e., standardized delta concentration (SDC) is proposed to calculate and describe nutrient attenuation. SDC depends on nutrient species, season, wetland restoration and input (main inlet or ungauged drains). Positive SDC arises most of the time when the influence of ungauged drain flows considered as being equal to the main inlet. The relative SDC of inorganic dissolved fractions of N (NOx and NH3) is higher than total (TN) and organic (DON) fractions. SDC of inorganic N and TP is more effective in summer and winter, respectively. Nutrient attenuation also increases after reconstruction of AWCB. Sediments and macrophytes of AWCB accumulate or uptake significant mass of nutrient. Overall findings to be used to understand nutrient attenuation processes and optimization of wetland function.
Original languageEnglish
Title of host publicationProceedings of the 36th IAHR World Congress
Subtitle of host publicationDeltas of the Future and What Happens Upstream
Editors Arthur Mynett
Place of PublicationMadrid Spain
PublisherInternational Association for Hydro-Environment Engineering and Research (IAHR)
Pages1-11
Number of pages11
ISBN (Print)9789082484601
Publication statusPublished - 2015
Externally publishedYes
EventCongress of IAHR, the International Association of Hydro-Environment Engineering and Research 2015 - World Forum, Delft, Netherlands
Duration: 28 Jun 20153 Jul 2015
Conference number: 36th

Conference

ConferenceCongress of IAHR, the International Association of Hydro-Environment Engineering and Research 2015
Abbreviated titleIAHR
CountryNetherlands
CityDelft
Period28/06/153/07/15

Cite this

Adyel, T. M., Conti, A. L. R., Ocampo, C., Coletti, J. Z., Hipsey, M. R., & Oldham, C. (2015). Ecohydrology and stormwater nutrient attenuation performance of constructed wetland in Western Australia. In A. Mynett (Ed.), Proceedings of the 36th IAHR World Congress: Deltas of the Future and What Happens Upstream (pp. 1-11). Madrid Spain: International Association for Hydro-Environment Engineering and Research (IAHR).
Adyel, Tanveer M. ; Conti, Ana L. R. ; Ocampo, Carlos ; Coletti, Jana Z. ; Hipsey, Matthew R. ; Oldham, Carolyn. / Ecohydrology and stormwater nutrient attenuation performance of constructed wetland in Western Australia. Proceedings of the 36th IAHR World Congress: Deltas of the Future and What Happens Upstream. editor / Arthur Mynett. Madrid Spain : International Association for Hydro-Environment Engineering and Research (IAHR), 2015. pp. 1-11
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title = "Ecohydrology and stormwater nutrient attenuation performance of constructed wetland in Western Australia",
abstract = "The present study investigated ecohydrology and urban stormwater nutrient attenuation of Anvil Way Compensation Basin (AWCB) of Western Australia. This constructed wetland enjoys stormwater runoff through main inlet and an ungauged drain plus groundwater input, and discharges at main outlet. The hydrological assessment establishes a basic water balance for the wetland from June 2012 to December 2013. Volumetric contribution from ungauged areas (drain and groundwater) is large (40-80{\%}) for small and frequent rainfall events, particularly between the spring and summer season, and 13-27 {\%} for mid-size to large rainfall events. Concentration of NH3, NOX, TKN, DON, TN, FRP and TP at outlet is compared with targets guideline of freshwater ecosystem. TN complies with the targets on most of the sampling occasions, while AWCB fails to reduce TP concentration below the target. Several limitations i.e., the presence ofungauged inputs and lack of flow data, are encountered to quantify the nutrient attenuation. Therefore an alternative approach i.e., standardized delta concentration (SDC) is proposed to calculate and describe nutrient attenuation. SDC depends on nutrient species, season, wetland restoration and input (main inlet or ungauged drains). Positive SDC arises most of the time when the influence of ungauged drain flows considered as being equal to the main inlet. The relative SDC of inorganic dissolved fractions of N (NOx and NH3) is higher than total (TN) and organic (DON) fractions. SDC of inorganic N and TP is more effective in summer and winter, respectively. Nutrient attenuation also increases after reconstruction of AWCB. Sediments and macrophytes of AWCB accumulate or uptake significant mass of nutrient. Overall findings to be used to understand nutrient attenuation processes and optimization of wetland function.",
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Adyel, TM, Conti, ALR, Ocampo, C, Coletti, JZ, Hipsey, MR & Oldham, C 2015, Ecohydrology and stormwater nutrient attenuation performance of constructed wetland in Western Australia. in A Mynett (ed.), Proceedings of the 36th IAHR World Congress: Deltas of the Future and What Happens Upstream. International Association for Hydro-Environment Engineering and Research (IAHR), Madrid Spain, pp. 1-11, Congress of IAHR, the International Association of Hydro-Environment Engineering and Research 2015, Delft, Netherlands, 28/06/15.

Ecohydrology and stormwater nutrient attenuation performance of constructed wetland in Western Australia. / Adyel, Tanveer M.; Conti, Ana L. R.; Ocampo, Carlos; Coletti, Jana Z.; Hipsey, Matthew R.; Oldham, Carolyn.

Proceedings of the 36th IAHR World Congress: Deltas of the Future and What Happens Upstream. ed. / Arthur Mynett. Madrid Spain : International Association for Hydro-Environment Engineering and Research (IAHR), 2015. p. 1-11.

Research output: Chapter in Book/Report/Conference proceedingConference PaperResearch

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N2 - The present study investigated ecohydrology and urban stormwater nutrient attenuation of Anvil Way Compensation Basin (AWCB) of Western Australia. This constructed wetland enjoys stormwater runoff through main inlet and an ungauged drain plus groundwater input, and discharges at main outlet. The hydrological assessment establishes a basic water balance for the wetland from June 2012 to December 2013. Volumetric contribution from ungauged areas (drain and groundwater) is large (40-80%) for small and frequent rainfall events, particularly between the spring and summer season, and 13-27 % for mid-size to large rainfall events. Concentration of NH3, NOX, TKN, DON, TN, FRP and TP at outlet is compared with targets guideline of freshwater ecosystem. TN complies with the targets on most of the sampling occasions, while AWCB fails to reduce TP concentration below the target. Several limitations i.e., the presence ofungauged inputs and lack of flow data, are encountered to quantify the nutrient attenuation. Therefore an alternative approach i.e., standardized delta concentration (SDC) is proposed to calculate and describe nutrient attenuation. SDC depends on nutrient species, season, wetland restoration and input (main inlet or ungauged drains). Positive SDC arises most of the time when the influence of ungauged drain flows considered as being equal to the main inlet. The relative SDC of inorganic dissolved fractions of N (NOx and NH3) is higher than total (TN) and organic (DON) fractions. SDC of inorganic N and TP is more effective in summer and winter, respectively. Nutrient attenuation also increases after reconstruction of AWCB. Sediments and macrophytes of AWCB accumulate or uptake significant mass of nutrient. Overall findings to be used to understand nutrient attenuation processes and optimization of wetland function.

AB - The present study investigated ecohydrology and urban stormwater nutrient attenuation of Anvil Way Compensation Basin (AWCB) of Western Australia. This constructed wetland enjoys stormwater runoff through main inlet and an ungauged drain plus groundwater input, and discharges at main outlet. The hydrological assessment establishes a basic water balance for the wetland from June 2012 to December 2013. Volumetric contribution from ungauged areas (drain and groundwater) is large (40-80%) for small and frequent rainfall events, particularly between the spring and summer season, and 13-27 % for mid-size to large rainfall events. Concentration of NH3, NOX, TKN, DON, TN, FRP and TP at outlet is compared with targets guideline of freshwater ecosystem. TN complies with the targets on most of the sampling occasions, while AWCB fails to reduce TP concentration below the target. Several limitations i.e., the presence ofungauged inputs and lack of flow data, are encountered to quantify the nutrient attenuation. Therefore an alternative approach i.e., standardized delta concentration (SDC) is proposed to calculate and describe nutrient attenuation. SDC depends on nutrient species, season, wetland restoration and input (main inlet or ungauged drains). Positive SDC arises most of the time when the influence of ungauged drain flows considered as being equal to the main inlet. The relative SDC of inorganic dissolved fractions of N (NOx and NH3) is higher than total (TN) and organic (DON) fractions. SDC of inorganic N and TP is more effective in summer and winter, respectively. Nutrient attenuation also increases after reconstruction of AWCB. Sediments and macrophytes of AWCB accumulate or uptake significant mass of nutrient. Overall findings to be used to understand nutrient attenuation processes and optimization of wetland function.

M3 - Conference Paper

SN - 9789082484601

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BT - Proceedings of the 36th IAHR World Congress

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PB - International Association for Hydro-Environment Engineering and Research (IAHR)

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Adyel TM, Conti ALR, Ocampo C, Coletti JZ, Hipsey MR, Oldham C. Ecohydrology and stormwater nutrient attenuation performance of constructed wetland in Western Australia. In Mynett A, editor, Proceedings of the 36th IAHR World Congress: Deltas of the Future and What Happens Upstream. Madrid Spain: International Association for Hydro-Environment Engineering and Research (IAHR). 2015. p. 1-11