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Water allocation analysis on a lower Danube stretch considering the water-energy-food-nexus approach : master thesis
ID Salam, Sanaullah (Author), ID Brilly, Mitja (Mentor) More about this mentor... This link opens in a new window, ID Popescu, Ioana (Co-mentor), ID Scrieciu, Albert (Co-mentor)

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Abstract
Water consumption is greatly rising as a result of global population growth, climate change, and other socioeconomic factors. The race to extract more water to meet the demands of various sectors is rising, making it difficult to ensure equitable water allocation. An effort was made in this study to assess the water supply and demand gap among several sectors, namely energy, agriculture, and navigation in the lower Danube river, where water is shared by Serbia, Romania, and Bulgaria. A literature review was undertaken to understand the possible approaches that may be used in this specific case. Data were collected from various sources and evaluated, to create input data for the water allocation and hydraulic models. To understand the water supply and demand imbalance under different conditions, three alternative scenarios were generated: dry, normal, and wet year periods. The Water Evaluation and Planning Model (WEAP) software tool was used to estimate the demand and supply gap in the research area for both energy production and irrigation. A hydraulic model was created utilizing the Hydrologic Engineering Center's River Analysis System (HEC-RAS) application to determine the water depth corresponding to the flow remaining in the river after energy and irrigation water consumption. In terms of water demand for energy production, the findings indicate that April has the highest demand fulfilment, while September has the lowest demand coverage. No water deficit has been found for agriculture water use, given the fact that available water in the system is much higher than the required crop water requirement (cwr) throughout the year. The hydraulic model results show that water depth is rather low in dry years, which will have a negative impact on navigation.

Language:English
Keywords:civil engineering, master thesis, water allocation, lower Danube river, Water evaluation and planning, hydraulic modelling, Water demand and supply
Work type:Master's thesis/paper
Typology:2.09 - Master's Thesis
Organization:FGG - Faculty of Civil and Geodetic Engineering
Place of publishing:Ljubljana
Publisher:[S. Salam]
Year:2022
Number of pages:X, 49 str.
PID:20.500.12556/RUL-141728 This link opens in a new window
UDC:504:556.536(282.243.7)(043.3)
COBISS.SI-ID:123705347 This link opens in a new window
Publication date in RUL:06.10.2022
Views:405
Downloads:38
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Secondary language

Language:Slovenian
Title:Analiza dodeljevanja vode na odseku spodnje Donave ob upoštevanju pristopa povezave voda-energija-hrana : magistrsko delo
Abstract:
Poraba vode močno narašča zaradi rasti svetovnega prebivalstva, podnebnih sprememb in drugih socialno-ekonomskih dejavnikov. Tekma za pridobivanje več vode za izpolnitev potreb različnih sektorjev narašča, zaradi česar je težko zagotoviti pravično razdeljevanje vode. V tej študiji smo poskušali oceniti vrzel v ponudbi in povpraševanju po vodi med več sektorji, in sicer energetiko, kmetijstvom in plovbo v spodnji reki Donavi, kjer si vodo delijo Srbija, Romunija in Bolgarija. Opravljen je bil temeljit pregled literature, da bi razumeli možne pristope, ki se lahko uporabijo v tem posebnem primeru. Podatki so bili zbrani iz različnih virov in ovrednoteni, da bi ustvarili vhodne podatke za modele razdelitve vode in hidravlične modele. Da bi razumeli neravnovesje med ponudbo in povpraševanjem po vodi v različnih pogojih, so bili ustvarjeni trije alternativni scenariji: suho, normalno in mokro letno obdobje. Za oceno vrzeli v povpraševanju in ponudbi na raziskovalnem področju tako za proizvodnjo energije kot za namakanje je bilo uporabljeno programsko orodje Water Evaluation and Planning Model (WEAP). Hidravlični model je bil ustvarjen z uporabo sistema za analizo reke (HEC-RAS) Centra za hidrološki inženiring za določitev globine vode, ki ustreza pretoku, ki ostane v reki po porabi energije in vode za namakanje. Glede potreb po vodi za proizvodnjo energije ugotovitve kažejo, da je april najbolj zadovoljen, september pa najmanj. Pri rabi vode v kmetijstvu ni bilo ugotovljenega primanjkljaja vode, glede na dejstvo, da je razpoložljiva voda v sistemu veliko višja od zahtevane potrebe posevka po vodi (cwr) skozi vse leto. Rezultati hidravličnega modela kažejo, da je globina vode v sušnih letih precej nizka, kar bo negativno vplivalo na plovbo.

Keywords:gradbeništvo, magistrska dela, VOI, dodelitev vode, spodnja reka Donava, vrednotenje in načrtovanje vode, hidravlično modeliranje, povpraševanje in ponudba vode

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