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  4. A New Concept of Flashboard Risers in Controlled Drainage Structures
 
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A New Concept of Flashboard Risers in Controlled Drainage Structures

Type
Journal article
Language
English
Date issued
2024
Author
Napierała, Michał 
Faculty
Wydział Inżynierii Środowiska i Inżynierii Mechanicznej
Journal
Water (Switzerland)
ISSN
2073-4441
DOI
10.3390/w16101436
Web address
https://www.mdpi.com/2073-4441/16/10/1436
Volume
16
Number
10
Pages from-to
art. 1436
Abstract (EN)
Drainage water management (DWM), also known as controlled drainage (CD), is one of the edge-of-field strategies mainly designed to reduce the nitrate load from subsurface drainage systems. By limiting runoff, we also increase local retention, contributing to the sustainable management of water resources. For that purpose, CD involves using different kinds of controlled drainage devices. They are usually based on simple flashboard risers or stop-logs that regulate the drainage intensity by raising and lowering the drainage outlet. The problem with this type of device is the need for manual control, which can cause the CD system to be more demanding in terms of maintenance. A new approach to water management by CD allows the possibility of individual disassembly of each board without necessarily removing all of them. Thanks to the use of sideling runners, the water management process is much quicker. This is especially important when a farmer needs to manage water in a few controlled drainage devices in the field. The different variants of the design are shown here, as well as the way of stop-log assembly and control and the costs of maintaining similar devices. The advantages and disadvantages are described, and the usefulness of the new patented solution is assessed.
Keywords (EN)
  • stop-logs

  • flashboard riser

  • controlled drainage

  • drainage water management

  • diagonal flashboard regulator

License
cc-bycc-by CC-BY - Attribution
Open access date
May 17, 2024
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