Climate Change and Natural Hazards in the Senegal River Basin: Dynamics of Hydrological Extremes in the Faleme River Basin

Faye, Cheikh

doi:10.1007/978-3-031-19059-9_9

Cited by 2 publications

(2 citation statements)

References 28 publications

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“…The high frequency reappeared from 2010 to 2020. The Sahelian drought, which affected the region of West Africa, gradually subsided in the 1990s (Faye, 2023;Aubron et al, 2023). This explains the drought frequency pattern for the first three decades (1961-1970, 1971-1980, and 1981-1990) of the six decades evaluated in this paper.…”

Section: Drought and Flood Characteristics In Nigeriamentioning

confidence: 99%

Assessing rainfall and extreme weather variability for climate resilient agricultural production systems in Nigeria

Olayide,

Alabi,

Oyedepo

et al. 2024

Preprint

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Nigeria's food production heavily relies on smallholder rainfed agriculture. Unfortunately, this sector is highly vulnerable to the negative impacts of climate change, such as floods and droughts. It is crucial to examine the frequency, intensity, and magnitude of these events and develop effective mitigation and adaptation strategies to ensure the resilience of Nigeria's agricultural system. This study analyses rainfall variability in Nigeria's agroecological zones (AEZs) over the past sixty years. The research evaluates annual, quarterly, and seasonal rainfall patterns and uses the Standardised Precipitation-Evapotranspiration Index (SPEI) to examine drought and flood frequency and intensity. The study's findings reveal that the period from 1981 to 1990 experienced the weakest rainfall patterns across all AEZs, while the best occurred from 1961 to 1970. The humid forest zone consistently received the highest rainfall, although with a declining trend over the decades. Conversely, the Arid/Sahel and Semi-arid zones exhibited the lowest with a slight upward trend in precipitation, while others experienced a reduction. Spatial analysis of drought patterns also reveals that most of the AEZs face high drought risks, with over 65% of the country experiencing a considerable increase in drought in the last three decades. The rainfall pattern was less erratic in zones of lower latitudes than in the higher altitudes. Heavy rainfall events exceeding 10 mm and 20 mm revealed a decreasing trend from the Arid to the Humid Forest zone. Extreme weather events have significant economic consequences. Policymakers and stakeholders must take action to ensure climate resilient and sustainable agricultural production systems.

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Section: Drought and Flood Characteristics In Nigeriamentioning

confidence: 99%

Assessing rainfall and extreme weather variability for climate resilient agricultural production systems in Nigeria

Olayide,

Alabi,

Oyedepo

et al. 2024

Preprint

View full text Add to dashboard Cite

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“…Meteorological drought is described as an overall deficit in annual precipitation compared to the average of several years over a specified period. It is also characterized by a reduction or bad distribution, even in the absence of rain in a given region for some time (Faye, 2023). It occurs following a rise in atmospheric temperature, leading to a significant fall in average rainfall for an extended duration over a region (Kumar et al, 2019).…”

Section: Meteorological Droughtmentioning

confidence: 99%

Drought characterization: A systematic literature review

Choukri,

Naimi,

Chikhaoui

2023

Sains Tanah J. Soil Sci. Agroclimatology

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<p>This study examined the worsening severity of global droughts caused by climate change. However, the multiple definitions and varied range of drought indices pose challenges in effectively monitoring and assessing the prevalence and severity of droughts. This study aims to give a comprehensive overview of the various drought definitions found in the literature and how they have evolved based on their applications. Specifically, the focus was to shed light on the dynamic nature of drought characterization and offer insights into the factors that shaped its conceptualization over time. Within this context, this study explored three primary categories of drought indices: climatic, remote sensing, and composite. Each category was discussed in relation to its utility in specific fields, such as meteorological, agricultural, and hydrological drought assessments, along with an analysis of their strengths and limitations. Furthermore, this study presents modified meteorological drought indices that have been adapted to better monitor agricultural droughts. Additionally, the authors used geographic information systems to create a map showing the distribution of drought-related publications globally over the past decade. The findings showed that countries with arid and semi-arid climates are more actively involved in drought research, highlighting their particular interest and concern regarding the subject matter. The implications of this study emphasize the urgent need for immediate and coordinated efforts to address the escalating issue of droughts caused by climate change. By improving monitoring and assessment methods and focusing on tailored strategies in vulnerable regions, it is possible to mitigate the far-reaching consequences of drought and to build more resilient communities and ecosystems.</p>

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Climate Change and Natural Hazards in the Senegal River Basin: Dynamics of Hydrological Extremes in the Faleme River Basin

Cited by 2 publications

References 28 publications

Assessing rainfall and extreme weather variability for climate resilient agricultural production systems in Nigeria

Assessing rainfall and extreme weather variability for climate resilient agricultural production systems in Nigeria

Drought characterization: A systematic literature review

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