Two-stage channel systems: Part 1, a practical approach for sizing agricultural ditches

GE Powell, AD Ward, DE Mecklenburg… - Journal of Soil and …, 2007 - jswconline.org
Outlined is a practical approach to size and modify agricultural drainage channels to two-
stage geometry to maintain drainage function and capacity while increasing channel …

Designing two-stage agricultural drainage ditches

AD Ward, D Mecklenburg, GE Powell… - Drainage VIII, 21-24 …, 2004 - elibrary.asabe.org
Collaborated efforts exist to develop a practical procedure that can be used throughout
theMidwest to correctly size the fluvial channel and minimum bench widths for stable …

Two-stage channel systems: Part 2, case studies

GE Powell, AD Ward, DE Mecklenburg… - Journal of Soil and …, 2007 - jswconline.org
This paper presents case studies with two-stage channel geometries that were sized based
on geomorphic principles. Geomorphic data were collected at the project site and …

Improvements in fluvial stability associated with two‐stage ditch construction in Mower County, Minnesota

L Krider, J Magner, B Hansen, B Wilson… - JAWRA Journal of …, 2017 - Wiley Online Library
Water quality and stream habitat in agricultural watersheds are under greater scrutiny as
hydrologic pathways are altered to increase crop production. Agricultural drainage ditches …

Impact of a two-stage ditch on channel water quality

A Hodaj, LC Bowling, JR Frankenberger… - Agricultural water …, 2017 - Elsevier
A two-stage ditch involves modifications of a conventional, trapezoidal drainage ditch to
better replicate the features of a natural stream through the addition of adjacent floodplains …

Evaluating geomorphic change in constructed two‐stage ditches

JL D'Ambrosio, JD Witter, A Ward - … Information Handbook for …, 2022 - taylorfrancis.com
Straight, trapezoidal-shaped surface drainage channels efficiently drain the soil profile, but
their deviations from natural fluvial conditions drive the need for frequent maintenance …

Drainage Ditches: Improved management of agricultural drainage ditches for water quality protection: An overview

BA Needelman, PJA Kleinman, JS Strock… - Journal of Soil and …, 2007 - jswconline.org
Agricultural drainage ditches are essential for the removal of surface and ground water to
allow for crop production in poorly drained agricultural landscapes. Ditches also mediate the …

Hydraulic performance of a morphology‐based stream channel design

SM Smith, KL Prestegaard - Water Resources Research, 2005 - Wiley Online Library
The inconsistent performance of stream rehabilitation projects has generated debates over
the use of morphological templates rather than detailed hydraulic information for channel …

Flow structure and channel change in a sinuous grass‐lined stream within an agricultural drainage ditch: Implications for ditch stability and aquatic habitat

BL Rhoads, KD Massey - River Research and Applications, 2012 - Wiley Online Library
Many drainage ditches in the Midwest have developed a geomorphological configuration
characterized by vegetated bars, or benches, on the bottom of the ditch and a stream flowing …

A categorization of approaches to natural channel design

PB Skidmore, FD Shields, MW Doyle… - Wetlands Engineering & …, 2001 - ascelibrary.org
Presented herein is a categorization of commonly applied approaches to natural channel
design. Approaches have been categorized as analog, empirical, or analytical. Methods and …