Impacts of climate change on IDF curves for urban stormwater management systems design: the case of Dodola Town, Ethiopia

Bibi, Takele Sambeto; Tekesa, Nebiyu Waliyi

doi:10.1007/s10661-022-10781-7

Cited by 11 publications

(4 citation statements)

References 51 publications

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“…The maximum daily (24 h) precipitation data for 1968-2017 in Samaru was reduced to a shorter time scale of 10, 20, 30, 60, 120, 360, 720, and 1440 min using the formula recommended by the Indian Meteorological Department [42,43]. The formula has been widely used and has gained acceptance worldwide [44][45][46][47][48].…”

Section: Intensity Duration Frequency Curve Idfmentioning

confidence: 99%

Flood Estimation and Control in a Micro-Watershed Using GIS-Based Integrated Approach

Shuaibu,

Mujahid Muhammad,

Bello

et al. 2023

Water

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Flood analyses when using a GIS-based integrated approach have been successfully applied around the world in large-sized watersheds. This study employed hydrological-hydraulic modeling to analyze flash floods by integrating HEC-HMS, HEC-RAS, and ArcGIS software for flood evaluation and control in a micro-watershed in the Samaru River, Nigeria. The watershed boundaries, its characteristics (soil and land use), the topographical survey, and the intensity duration frequency curve (IDF) of the study area were produced using data-driven techniques. The HEC-HMS model was used to derive the peak discharges for 2-, 5-, 10-, 25-, 50-, 100-, and 200-year return periods with the frequency storm method. Afterward, the water surface profiles for the respective return periods were estimated using the HEC-RAS hydrodynamic model. The simulated design flood for the 2-, 5-, 10-, 25-, 50-, 100-, and 200-year return periods at the reference location (the NUGA gate culvert) were 3.5, 6.8, 9.1, 12.1, 14.3, 16.6, and 19.0 m3/s, respectively, while those at the watershed outlet for the respective return periods were 7.5, 14.9, 20.3, 27.3, 32.6, 38.0, and 43.5 m3/s, respectively (with a water height of 0.9 m, 1.1 m, 1.3 m, 1.33 m, 1.38 m, 1.5 3m, and 1.8 m, respectively), at the NUGA gate culvert cross-section. The maximum water depths of about 0.9 m and 1.0 m were recorded in the right and left overbanks, which were similar to the simulated water depth for the 2- and 5-year return periods. Hence, for the smart control of floods passing through the river and major hydraulic structures, a minimum design height of 1.50 m is recommended. For the most economic trapezoidal channel section, a normal depth of 1.50 m, a bottom width of 1.73 m, a top width of 3.50 m, and a free board of 0.30 m is proposed to curb the overtopping of floods along the channel sub-sections. The findings of this study could help hydraulic engineers minimize flooding in streams and rivers overbanks in a micro-watershed.

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Section: Intensity Duration Frequency Curve Idfmentioning

confidence: 99%

Flood Estimation and Control in a Micro-Watershed Using GIS-Based Integrated Approach

Shuaibu,

Mujahid Muhammad,

Bello

et al. 2023

Water

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“…In stormwater infrastructure design, IDF curves are widely utilized to capture the properties of extreme rainfall events (Cook et al, 2020 ). However, there is a growing recognition among numerous organizations about the necessity to update IDF curves to account for anticipated alterations in rainfall patterns caused by climate change (Bibi & Tekesa, 2023 ; Kourtis et al, 2022 ; Martel et al, 2021 ; Şen & Kahya, 2021 ).…”

Section: Introductionmentioning

confidence: 99%

Climate change impacts on rainfall intensity–duration–frequency curves in local scale catchments

Xu,

Bravo de Guenni,

Córdova

2024

Environ Monit Assess

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The increasing intensity and frequency of rainfall events, a critical aspect of climate change, pose significant challenges in the construction of intensity–duration–frequency (IDF) curves for climate projection. These curves are crucial for infrastructure development, but the non-stationarity of extreme rainfall raises concerns about their adequacy under future climate conditions. This research addresses these challenges by investigating the reasons behind the IPCC climate report’s evidence about the validity that rainfall follows the Clausius-Clapeyron (CC) relationship, which suggests a 7% increase in precipitation per 1 °C increase in temperature. Our study provides guidelines for adjusting IDF curves in the future, considering both current and future climates. We calculate extreme precipitation changes and scaling factors for small urban catchments in Barranquilla, Colombia, a tropical region, using the bootstrapping method. This reveals the occurrence of a sub-CC relationship, suggesting that the generalized 7% figure may not be universally applicable. In contrast, our comparative analysis with Illinois, USA, an inland city in the north temperate zone, shows adherence to the CC relationship. This emphasizes the need for local parameter calculations rather than relying solely on the generalized 7% figure.

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“…The IDF curve is used to characterize drought by a few researchers [8]. However, rainfall is considered a complex atmospheric global phenomenon, and it has the potential to change over time due to changes in the atmospheric components [9]. As a result, the IDF relationship will change over time due to climate change and variability.…”

Section: Introductionmentioning

confidence: 99%

“…For example, Martel et al [28] found that there will be increased extreme rainfall all over the world. Bibi and Tekesa [9] and Bulti et al [11] investigated the influences of climate change on the IDF curve development in Ethiopia and observed that urban flooding will increase due to climate change. In the same region, Meresa et al [29] showed that there is potential to increase streamflow by 50% due to climate change.…”

Section: Introductionmentioning

confidence: 99%

Comparison of Future Design Rainfall with Current Design Rainfall: A Case Study in New South Wales, Australia

Hossain,

Imteaz,

Gato-Trinidad

et al. 2024

Atmosphere

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Climate change impacts have the potential to alter the design rainfall estimates around the world. Decreasing trends in the summer and winter rainfall in New South Wales (NSW), Australia have already been observed due to climate variability and change. The derivation of design rainfall from historical rainfall, which is required for the design of stormwater management infrastructure, may be ineffective and costly. It is essential to consider climate change impacts in estimating design rainfall for the successful design of stormwater management infrastructure. In this study, the probability of the occurrence of daily extreme rainfall has been assessed under climate change conditions. The assessment was performed using data from 29 meteorological stations in NSW, Australia. For the evaluation of future design rainfall, the probability of the occurrence of extreme rainfall for different recurrence intervals was developed from daily extreme rainfall for the periods of 2020 to 2099 and compared with the current Australian Bureau of Meteorology (BoM) design rainfall estimates. The historical mean extreme rainfall across NSW varied from 37.71 mm to 147.3 mm, indicating the topographic and climatic influences on extreme rainfall. The outcomes of the study suggested that the future design rainfall will be significantly different from the current BoM estimates for most of the studied stations. The comparison of the results showed that future rainfall in NSW will change from −4.7% to +60% for a 100-year recurrence interval. However, for a 2-year recurrence interval, the potential design rainfall change varies from an approximately 8% increase to a 40% decrease. This study revealed that the currently designed stormwater management infrastructure will be idle in the changing climate.

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Impacts of climate change on IDF curves for urban stormwater management systems design: the case of Dodola Town, Ethiopia

Cited by 11 publications

References 51 publications

Flood Estimation and Control in a Micro-Watershed Using GIS-Based Integrated Approach

Flood Estimation and Control in a Micro-Watershed Using GIS-Based Integrated Approach

Climate change impacts on rainfall intensity–duration–frequency curves in local scale catchments

Comparison of Future Design Rainfall with Current Design Rainfall: A Case Study in New South Wales, Australia

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