Technical Note: A Simple Method to Measure the Flow Rate and Volume from Tile Drainage Pump Stations

Scherer, Thomas F.; Jia, Xinhua

doi:10.13031/2013.29478

Cited by 7 publications

(10 citation statements)

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“…The advantage of this method is that flow could be recorded in either direction, valuable for sites experiencing backflow in the drainage system due to high downstream water levels 14 . At ND_Richland, drainage was collected at a sump where a current sensor was used to measure pumping frequency to calculate drainage flow 15 . For an additional three sites, drainage discharge was measured using a depth-velocity meter installed at the outlet of the drainage pipe or a drainage ditch.…”

Section: Methodsmentioning

confidence: 99%

Paired field and water measurements from drainage management practices in row-crop agriculture

et al. 2022

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This paper describes a multi-site and multi-decadal dataset of artificially drained agricultural fields in seven Midwest states and North Carolina, USA. Thirty-nine research sites provided data on three conservation practices for cropland with subsurface tile drainage: saturated buffers, controlled drainage, and drainage water recycling. These practices utilize vegetation and/or infrastructure to minimize off-site nutrient losses and retain water in the landscape. A total of 219 variables are reported, including 90 field measurement variables and 129 management operations and metadata. Key measurements include subsurface drain flow (206 site-years), nitrate-N load (154 site-years) and other water quality metrics, as well as agronomic, soil, climate, farm management and metadata records. Data are published at the USDA National Agricultural Library Ag Data Commons repository and are also available through an interactive website at Iowa State University. These multi-disciplinary data have large reuse potential by the scientific community as well as for design of drainage systems and implementation in the US and globally.

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Section: Methodsmentioning

confidence: 99%

Paired field and water measurements from drainage management practices in row-crop agriculture

et al. 2022

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“…To determine daily tile flow, the following equation (Equation ( 3)) was incorporated from Scherer and Jia [28]:…”

Section: Flow and Nutrient Load Calculationsmentioning

confidence: 99%

“…where Q p is average pump flow rate over one pump duty cycle, V s is sump storage volume, T on is the time interval when the pump is running, and Q i is average flow rate from the tile into the sump. Input values for determining daily flow, as well as the time of pumping and the dimensions of the sump pump structure, were recorded by the event logger [28]. Daily nutrient loads were calculated from the daily flow rates, nutrient concentrations, and drainage area.…”

Section: Flow and Nutrient Load Calculationsmentioning

confidence: 99%

Impact of Controlled Drainage and Subirrigation on Water Quality in the Red River Valley

Almen

Jia

DeSutter

et al. 2021

Water

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The potential impact of controlled drainage (CD), which limits drainage outflow, and subirrigation (SI), which provides supplemental water through drain tile, on surface water quality are not well known in the Red River Valley (RRV). In this study, water samples were collected and analyzed for chemical concentrations from a tile-drained field that also has controlled drainage and subirrigation modes in the RRV of southeastern North Dakota from 2012–2018. A decreasing trend in overall nutrient load loss was observed because of reduced drainage outflow, though some chemical concentrations were found to be above the recommended surface water quality standards in this region. For example, sulfate was recommended to be below 750 mg/L but was reported at a mean value of 1971 mg/L during spring free drainage. The chemical composition of the subirrigation water was shown to have an impact on drainage water and the soil, specifically on salinity-related parameters, and the impact varied between years. This variation largely depended on the amount of subirrigation applied, soil moisture, and soil properties. Overall, the results of this study show the benefits of controlled drainage on nutrient loss reduction from agricultural fields.

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“…With potential SI in mind, the sump pump was designed to carry the water for the entire 44 ha field with typical 18.3 m tile drainage space. From our preliminary studies (Scherer and Jia, 2010;Jia et al, 2012;Rijal et al, 2012), it was concluded that it was challenging to subirrigate the entire field with one main drain due to the high surface elevation difference across the field and the layout of the tile drainage system. As indicated by Jia et al (2012), the sump pump and the main were located at higher elevations than the laterals because of the outlet location.…”

Section: Field Layoutsmentioning

confidence: 99%

Subirrigation System Performance and Evaluation in the Red River Valley of the North

Jia¹,

Scherer²,

Steele³

et al. 2017

Applied Engineering in Agriculture

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Technical Note: A Simple Method to Measure the Flow Rate and Volume from Tile Drainage Pump Stations

Cited by 7 publications

References 0 publications

Paired field and water measurements from drainage management practices in row-crop agriculture

Paired field and water measurements from drainage management practices in row-crop agriculture

Impact of Controlled Drainage and Subirrigation on Water Quality in the Red River Valley

Subirrigation System Performance and Evaluation in the Red River Valley of the North

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