Investigation of droughts in the Lankaran region of Azerbaijan

Imanov, Farda; A., Mammadov; Hasanova, Naila I.

doi:10.2478/v10025-012-0019-7

Cited by 2 publications

(1 citation statement)

References 1 publication

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“…This index is used to characterize the drought events in different regions in the world [BĄK, ŁA-BĘDZKI 2014;IMANOV et al 2012;JEMAI et al 2016;JOUILIL et al 2013;KHEZAZNA et al 2017]. It may be utilised for monitoring both dry and wet conditions [DJELLOULI et al 2016].…”

Section: Standardized Precipitation Index Spimentioning

confidence: 99%

Drought and water mobilization in semi-arid zone: The example of Hammam Boughrara dam (North-West of Algeria)

Adjim

Djedid

2018

Journal of Water and Land Development

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The dam of Hammam Boughrara is an embankment dam built in a transboundary basin, between Algeria and Morocco; it was type-approved and delivered in 1998. This dam was supposed to solve the lack of drinking water in Oran (Algeria's second largest city) and enhance the agricultural perimeter of the area. It should regulate an annual water volume of 59 million m3. However, the northwest Algeria has experienced a fairly severe drought since the 80s. This article aims to show the impact of this drought on the amount of surface water that can be mobilized by this dam. The rainfall series recorded at four stations, located within the basin of the dam, were examined using the proportional deviation from the average, the running average, the frequency analysis, the Pita’s index and the standardized precipitation index. These methods have shown a significant decrease of rain, starting from the hydrological year 1975/1976. These same approaches were also used to analyse series of flows spread over a longer period. This fact revealed three periods of drought which are 1940–1945, 1955–1967 and the most recent one highlighted by the rainfall series, starts at the year 1975/1976. The regularized water volume of the dam, calculated from the series of flow rates, is around 37 million m3. This value reflects a deficit of 40% of the regularized volume predicted by the designers of the dam.

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Section: Standardized Precipitation Index Spimentioning

confidence: 99%

Drought and water mobilization in semi-arid zone: The example of Hammam Boughrara dam (North-West of Algeria)

Adjim

Djedid

2018

Journal of Water and Land Development

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Prediction of precipitation deficit and excess in Bydgoszcz Region in view of predicted climate change/ Prognoza niedoboru i nadmiaru opadu w rejonie Bydgoszczy w świetle przewidywanej zmiany klimatu

Bąk¹,

Labedzki²

2014

Journal of Water and Land Development

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The paper presents the prediction of rainfall shortage and excess in Bydgoszcz region in the growing seasons (April-September) in 2011-2050 in the perspective of climate change. Based on the predicted monthly sum of precipitations for the percentile 50%, calculated by the regional climate model RM5.1 for Poland with boundary values taken from global model ARPEGE, a decrease in the amount of rainfall during the growing season by approximately 55 mm is predicted, compared to 1971-2000 taken as a reference period. The qualification of rainfall shortage and excess was made using the standardised precipitation index (SPI). According to the predicted values of SPI, the occurrence of 38 months of rainfall excess and 40 months of rainfall deficit in the period 2011-2050 is predicted. Dry months will constitute 16% of all months, wet months - 13%, and normal months - 71%. The occurrence of 13 several-month long periods of rainfall excess and 14 such periods of drought are predicted. The longest periods of both wet and dry weather will last 5 months. So long wet periods are expected in 2020, 2022 and 2031, and drought periods in 2017-2018, 2023-2024 and from 2046 to 2049.

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Investigation of droughts in the Lankaran region of Azerbaijan

Cited by 2 publications

References 1 publication

Drought and water mobilization in semi-arid zone: The example of Hammam Boughrara dam (North-West of Algeria)

Drought and water mobilization in semi-arid zone: The example of Hammam Boughrara dam (North-West of Algeria)

Prediction of precipitation deficit and excess in Bydgoszcz Region in view of predicted climate change/ Prognoza niedoboru i nadmiaru opadu w rejonie Bydgoszczy w świetle przewidywanej zmiany klimatu

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