Modeling of the stormwater runoff quantity and quality in Amman-Zarqua Basin, Jordan

Autor: Othman Al-Mashaqbeh, Malek Shorman
Rok vydání: 2019
Předmět:
Zdroj: Euro-Mediterranean Journal for Environmental Integration. 4
ISSN: 2365-7448
2365-6433
DOI: 10.1007/s41207-018-0092-7
Popis: The Storm Water Management Model (SWMM) was applied to simulate stormwater runoff quantity and quality generated from different land uses at Amman-Zarqa Basin (AZB) over two winter seasons (October 25, 2012 to May 31, 2014). The model was calibrated and validated using several storm events over two winter seasons for a measured surface flow data at the inlet of King Talal Dam (KTD). The calibration and validation results showed good agreement between simulated and measured surface runoff flow data at AZB. The results showed that the total precipitation estimated by the model is about 1106 MCM during the study period. About 93.2% of precipitation (1031 MCM) is lost by infiltration and evaporation and 6.8% (75 MCM) is generated as runoff in AZB. The total predicted surface flow by the model was about 207 MCM compared with a measured value of 213 MCM in the basin. It is noticed that the contribution of surface runoff flow is about 36% of the total storage of KTD during the study period. Based on the results of this preliminary modeling study, pollutant loads (BOD5, COD, and TSS) carried by stormwater runoff were much higher than those by treated wastewater over the study period. The SWMM is a very effective model and has successfully modeled both hydraulic and pollutant loads generated from Amman-Zarqa Basin.
Databáze: OpenAIRE
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