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Scientific paper - Original scientific paper
Reconstruction of Recharge and Discharge Pattern in the Polder Drainage Canal Network
Hydrology, 10 (2023), 3; 1-17. https://doi.org/10.3390/hydrology10030060
Gilja, Gordon; Kuspilić, Neven; Lacko, Martina; Romić, Davor

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Gilja, G., Kuspilić, N., Lacko, M. & Romić, D. (2023). Reconstruction of Recharge and Discharge Pattern in the Polder Drainage Canal Network. Hydrology, 10. (3), 1-17. doi: 10.3390/hydrology10030060

Gilja, Gordon, et al. "Reconstruction of Recharge and Discharge Pattern in the Polder Drainage Canal Network." Hydrology, vol. 10, no. 3, 2023, pp. 1-17. https://doi.org/10.3390/hydrology10030060

Gilja, Gordon, Neven Kuspilić, Martina Lacko and Davor Romić. "Reconstruction of Recharge and Discharge Pattern in the Polder Drainage Canal Network." Hydrology 10, no. 3 (2023): 1-17. https://doi.org/10.3390/hydrology10030060

Gilja, G., et al. (2023) 'Reconstruction of Recharge and Discharge Pattern in the Polder Drainage Canal Network', Hydrology, 10(3), pp. 1-17. doi: 10.3390/hydrology10030060

Gilja G, Kuspilić N, Lacko M, Romić D. Reconstruction of Recharge and Discharge Pattern in the Polder Drainage Canal Network. Hydrology [Internet]. 2023 [cited 2024 November 14];10(3):1-17. doi: 10.3390/hydrology10030060

G. Gilja, N. Kuspilić, M. Lacko and D. Romić, "Reconstruction of Recharge and Discharge Pattern in the Polder Drainage Canal Network", Hydrology, vol. 10, no. 3, pp. 1-17, 2023. [Online]. Available at: https://urn.nsk.hr/urn:nbn:hr:237:502016. [Accessed: 14 November 2024]

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Metadata
Title (english)Reconstruction of Recharge and Discharge Pattern in the Polder Drainage Canal Network
AuthorGordon Gilja
AuthorNeven Kuspilić
AuthorMartina Lacko
AuthorDavor Romić
Author's institutionUniversity of Zagreb
Faculty of Civil Engineering
Scientific / art field,
discipline and subdiscipline		TECHNICAL SCIENCES
Civil Engineering
Abstract (english)
Rainfed agriculture is dependent on rainfall and runoff patterns, especially in lowland areas that rely on pumping operation to remove excess water from the drainage network. Polder areas are extremely vulnerable to saltwater intrusion and subsequent soil salinization driven by rising sea levels and accelerated by climate change. The aim of this paper is to reconstruct the recharge and discharge pattern in the Vidrice polder, a drainage canal network within the Neretva River Delta agroecosystem used to collect the surface and subsurface runoff from the agricultural land and saltwater infiltration through the aquifer. Water regime data are collected over an 18-month period of real-time monitoring at 15 min intervals on three stations along the primary drainage canal and one station at the secondary canal. Analysis of water level flashiness in the Vidrice polder using the Richards-Baker flashiness index (R- Bindex) indicates that daily pumping of water infiltrated in the canal network is sub-optimal: discharge fluctuates significantly more than recharge, by 46% on average, resulting in unnecessary lowering of the water level in the drainage network. The results show that the correlation between the intensive rainfall events (>10 mm/day) and the recharge rates can be used to modify the daily pumping operation and maintain high freshwater levels in the canal network to increase the resistance to infiltration and reduce saltwater intrusion into the polder.
Keywords (english)
Languageenglish
Publication typeScientific paper - Original scientific paper
Publication statusPublished
Peer reviewPeer review - international
Publication versionPublished version
Journal titleHydrology
Numberingvol. 10, no. 3, pp. 1-17, 60
e-ISSN2306-5338
DOIhttps://doi.org/10.3390/hydrology10030060
URN:NBNurn:nbn:hr:237:502016
Publication2023
Type of resourceText
Access conditionsOpen access
Terms of useLicence In copyright icon
Created on2024-09-05 08:37:22