Knitted-sock geotextile envelopes increase drain inflow in subsurface drainage systems

Ghane, Ehsan; Dialameh, Babak; AbdalAal, Yousef; Ghane, Mohammad

doi:10.1016/j.agwat.2022.107939

Cited by 8 publications

(12 citation statements)

References 31 publications

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“…In the advanced interface of the tool, the user can enter optional customized inputs as presented in figure 2. The type of the drain pipe depends on the perforation pattern and shape, and the selection of a drain pipe affects water flow into the drains, thereby affecting drain spacing (Ghane et al, 2022). The tool automatically obtains the depth to the restrictive layer from the gSSURGO database.…”

Section: Optional Advanced Inputsmentioning

confidence: 99%

A Drain Spacing Tool That Estimates the Optimum Subsurface Drain Spacing for Maximum Profit

Ghane¹,

Nejadhashemi²,

Kropp³

2023

Journal of the ASABE

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Highlights An empirical equation was embedded in a user-friendly tool to estimate the site-specific design drainage rate. The site-specific design drainage rate was based on the local soil, weather, and economics of the area of interest. The tool uses the site-specific design drainage rate to estimate the optimum drain spacing. The optimum drain spacing maximizes the economic return on investment. Abstract. Properly estimating the subsurface drain spacing is critical to optimizing crop production. The Hooghoudt equation can be used in humid climates to approximate the drain spacing. However, the application of this equation has been limited due to site-specific data requirements and because it is a complicated process that is not usually practical for practitioners. Traditionally, drainage contractors have chosen a drain spacing without using the Hooghoudt equation. The objective of this article is to develop a user-friendly decision-support tool that estimates the site-specific optimum drain spacing for maximum economic return on investment. We developed the Drain Spacing Tool for the Midwest USA based on the Hooghoudt equation and site-specific inputs. The tool automatically acquires the site-specific equivalent saturated hydraulic conductivity of the soil profile and depth to the restrictive layer from the gSSURGO database, and the user manually enters the desired drain depth. The site-specific input of design drainage rate (DDR), that is required in the Hooghoudt equation, is estimated from an empirical equation that was developed from a DRAINMOD modeling study. The site-specific inputs for the empirical equation include site-specific 30-year average growing-season rainfall, drain depth, equivalent saturated hydraulic conductivity, and depth to the restrictive layer, all of which are automatically acquired from gSSURGO, except for the rainfall data, which was acquired from the PRISM Climate Group. The site-specific DDR value from the empirical equation was then used in the Hooghoudt equation to estimate the optimum drain spacing that maximizes economic return on investment. In conclusion, the tool estimates the site-specific optimum drain spacing based on the local soil, weather, and economics of the area of interest. Keywords: Decision-support tool, Design drainage rate, DRAINMOD, Farm profitability, Tile drainage.

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Section: Optional Advanced Inputsmentioning

confidence: 99%

A Drain Spacing Tool That Estimates the Optimum Subsurface Drain Spacing for Maximum Profit

Ghane¹,

Nejadhashemi²,

Kropp³

2023

Journal of the ASABE

View full text Add to dashboard Cite

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“…Groundwater recharge, low stream flow augmentation, water quality enhancement, and a reduction in the total runoff volume are also among the advantages of using the infiltration practices mentioned in the preceding studies [7][8][9][10][11][12][13][14][15][16][17][18][19][20][21][22][23][24][25]. The performances of subsurface perforated and porous drainpipes were often used in infiltration trenches for the removal of the urban stormwater runoff [7][8][9][10][11][12][13][14][15][16][17][18][19] and were also used in agricultural lands as subsurface drainage systems [26][27][28][29][30]. Subsurface perforated pipe drainage systems are used to drain away the subsurface water to minimize surface water ponding and waterlogging of soils by decreasing water tables and increasing soil strength by decreasing the soil moisture content.…”

Section: Introductionmentioning

confidence: 99%

“…In a study conducted by Gaj and Madramootoo [26], it was stated that the corrugated high-density polyethylene (HDPE) perforated pipes were widely used as subsurface drainage systems on agricultural lands. Ghane [27] indicated that the excess water draining from the soil profile of agricultural lands using perforated pipes provides the required aeration for appropriate crop root development. Moreover, the main advantages of subsurface drainage of perforated pipes used in agricultural lands are increased crop yield, improved soil structure and aeration, and decreased volume of surface runoff [28].…”

Section: Introductionmentioning

confidence: 99%

“…In another study stated by Ehsan Ghane [27], knitted-sock pipes and sand-slot perforated pipes (i.e., narrow-slot or knife-cut pipes) are frequently applied in agricultural subsurface drainage in the U.S. and Canada to prevent sediment clogging of the drain pipes. He also stated that the pipe with the longer and narrower slots has a higher drain outflow than the pipe with the shorter and wider slots, even though both pipes have the same perforation rows and patterns and an equal water inlet area per foot.…”

Section: Introductionmentioning

confidence: 99%

“…He also stated that the pipe with the longer and narrower slots has a higher drain outflow than the pipe with the shorter and wider slots, even though both pipes have the same perforation rows and patterns and an equal water inlet area per foot. Thus, slot length is the most important pipe property affecting how fast water enters the pipe, and increasing slot width slightly affects the drain outflow [27].…”

Section: Introductionmentioning

confidence: 99%

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Investigating the Relationship between the Manning Coefficients (n) of a Perforated Subsurface Stormwater Drainage Pipe and the Hydraulic Parameters

et al. 2023

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Subsurface perforated pipes drain infiltrated stormwater runoff while attenuating the peak flow. The Manning roughness coefficient (n) was identified as a fundamental parameter for estimating roughness in various subsurface channels. Hence, in this work, the performance of a six-row non-staggered sand-slot perforated pipe as a sample of the subsurface drainage is investigated experimentally in a laboratory flume at Universiti Sains Malaysia (USM) aimed at determining the Manning roughness coefficients (n) of the pipe and assessing the relationship between the Manning’s n and the hydraulic parameters of the simulated runoff flow under the conditions of the tailgate channel being opened fully (GFO) and partially (GPO), as well as the pipe having longitudinal slopes of 1:750 and 1:1000. Water is pumped into the flume at a maximum discharge rate of 35 L/s, and the velocity and depth of the flow are measured at nine points along the inner parts of the pipe. Based on the calculated Reynolds numbers ranging from 38,252 to 64,801 for both GFO and GPO conditions, it is determined that most of the flow in the perforated pipe is turbulent, and the calculated flow discharges and velocities from the outlets under GFO are higher than the flow and velocity rates under GPO with similar pipe slopes of 1:750 and 1:1000. The Manning coefficients are calculated at nine points along the pipe and range from 0.004 to 0.009. Based on the ranges of the calculated Manning’s n, an inverse linear relationships between the Manning coefficients and the flow velocity under GFO and GPO conditions are observed with the R2 of 0.975 and 0.966, as well as 0.819 and 0.992 resulting from predicting the values of flow velocities with the equations v = ((0.01440 − n)/0.009175), v = ((0.01330 − n)/0.00890), v = ((0.02007 − n)/0.01814), and v = ((0.01702 − n)/0.01456) with pipe slopes of 1:750 and 1:1000, respectively. It is concluded that since the roughness coefficient (Manning’s n) of the pipe increases, it is able to reduce the flow velocity in the pipe, resulting in a lower peak of flow and the ability to control the quantity of storm water in the subsurface urban drainages.

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Investigating the suitability of synthetic envelopes as an alternative or complement to stone aggregate in clay-textured soils in Ireland

et al. 2023

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Knitted-sock geotextile envelopes increase drain inflow in subsurface drainage systems

Cited by 8 publications

References 31 publications

A Drain Spacing Tool That Estimates the Optimum Subsurface Drain Spacing for Maximum Profit

A Drain Spacing Tool That Estimates the Optimum Subsurface Drain Spacing for Maximum Profit

Investigating the Relationship between the Manning Coefficients (n) of a Perforated Subsurface Stormwater Drainage Pipe and the Hydraulic Parameters

Investigating the suitability of synthetic envelopes as an alternative or complement to stone aggregate in clay-textured soils in Ireland

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