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Some properties of Guyon's method for drain spacing determination on the marshy gley soil

Neke osobine metode Guyon-a za određivanje rastojanja između drenova na močvarno-glejnom zemljištu

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2005
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Authors
Djurović, Nevenka
Stričević, Ružica
Article (Published version)
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Abstract
The aim of this work is to show out some properties of Guyon's method for drain spacing determination in unsteady state of flow. The analysis has been carried out in the marshy gley soil of the experimental field with drain spacing of 10 m, 20 m and 30 m. The method assumed modeled dynamics of water recharge, which hasn't been observed during the experimental trial. Therefore, its application is limited.
Cilj ovog rada je da prikaže пeke osobine primene metode Guyon-a za određivanje rastojanja između drenova u nestacionarnom režimu filtracije. Analiza je izvedena na primeru močvarno-glejnog zemljišta, na drenažnom sistemu sa rastojanjima između drenova 10, 20 i 30 metara. Metode primenljive u uslovima nestacionaraog režima filtracije podrazumevaju da doticaja osim merenog, dakle padavina ili navodnjavanja, nema. S obzirom da močvarno-glejno zemljište obiluje podzemnim vodama, postoje doticaji koji nisu obuhvaćeni niti kroz padavine, niti kroz navodnjavanje. Metoda Guyon-a smanjenje dubine podzemnih voda pokušava da obrazloži fiktivnim, većim rastojanjem između drenova, i manje je uspešna nego metoda Glover-Duma, sa kojom ima velike sličnosti. Ova osobina metode Guyon-a je veoma veliko ograničenje u primeni, te se konačno može zaključiti da na močvarno-glejnim zemljištima ova metoda ne daje zadovoljavajuće rezultate.
Keywords:
drainage / tile system / drain spacing / unsteady state of flow / water discharge
Source:
Journal of Agricultural Sciences (Belgrade), 2005, 50, 1, 33-39
Publisher:
  • Univerzitet u Beogradu - Poljoprivredni fakultet, Beograd

DOI: 10.2298/JAS0501033D

ISSN: 1450-8109

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URI
http://aspace.agrif.bg.ac.rs/handle/123456789/907
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