Projections of precipitation, air temperature and potential evapotranspiration in Rwanda under changing climate conditions

Haggag, Mohammed; Kalisa, Jean Claude; Abdeldayem, Ahmad W.

doi:10.5897/ajest2015.1997

Cited by 20 publications

(12 citation statements)

References 24 publications

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“…In eastern Africa, the past climate change induced extreme events like droughts have had severe negative impacts on key socioeconomic sectors of most countries. In the late seventies and eighties, droughts caused widespread famine and economic hardships in many countries of the continent (Haggag et al, 2016). There is evidence that future climate change may lead to a change in the frequency and severity of extreme weather events, potentially worsening these impacts.…”

Section: Introductionmentioning

confidence: 99%

Trend Analyses of Temperature and Rainfall and Their Response to Global CO2 Emission in Masha, Southern Ethiopia

Benti

Abara

2019

Caraka Tani J. Sustain. Agric.

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Ethiopia is one of the most vulnerable countries to climate change and often signifies higher probabilities of droughts that have historically affected millions of farmers. The variability in rainfall patterns and drought have disrupted crop production and exacerbated food insecurity in many parts of Ethiopia. This study aimed to investigate seasonal and annual temperature and rainfall trends and their association to the global CO2 emission. Temperature and rainfall data obtained from the Masha meteorological station and CO2 from EDGAR 4.3.2 dataset recorded for 36 years. The Linear regression model was used to analyse seasonal temperature and rainfall trends. Pearson’s correlation coefficient employed to measure the relationship between temperature and rainfall and global CO2 emission. The results showed that there were significant warming trends of seasonal and annual mean temperatures while summer season and annual rainfall significantly declined. The prediction results showed that the summer and annual mean temperatures would be significantly increased while the rainfall decreased for the next 35 years. The cumulative global CO2 and annual mean temperature and rainfall were correlated significantly at P = 0.0004 and 0.006 for temperature and rainfall, respectively. The results demonstrated clearly that the increasing of temperature and the decreasing of rainfall had a direct relationship with the global CO2 emissions and suggested that there should be a sound soil and water management, short season seed supply and pipe irrigation practices to reduce the future crop damage in the area.

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Section: Introductionmentioning

confidence: 99%

Trend Analyses of Temperature and Rainfall and Their Response to Global CO2 Emission in Masha, Southern Ethiopia

Benti

Abara

2019

Caraka Tani J. Sustain. Agric.

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“…These numbers in figure 4 are congruent with the reports of (Houghton et al, 2001) and (Uzamukunda, 2015) that highlight that Rwanda recorded a 1.4°C rise in temperature since 1970, which is predicted to be about 2.5°C in 2050, and this will lead to change in intensity and frequency of rainfall causing either drought or flood, which in turn alter the water quality. (Haggag et al, 2016).…”

Section: Climate Change In Rwandamentioning

confidence: 99%

Review on Water Resources Management and Key Threats in Rwanda, East Africa

Mukanyandwi

Nahayo

Hakorimana

et al. 2018

Journal of Water Security

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Water is important for human health, industry, agriculture and ensuring the integrity and sustainability of the ecosystem. The water resources are the top affected by climate variability and population growth. The current population of Rwanda is about 12 million heading to about 25 million in 2050 under the changing climate, where since 1970 temperature rose by 1.4°C and is predicted that in 2050 to be about 2.5°C with severe effects on water resources in Rwanda. Thereby, this study reviewed the status and causes of water quality problems and suggested appropriate options to undertake for sustainable water resources access, employ and management in Rwanda. It was noticed that among others, the key threats to water quality in Rwanda, include not limited to climate change causing rainfall patterns which generated flooding, landslides and periodic droughts, which loaded pollutants into water. In addition, water quality is jeopardized by the rapid population growth, agrochemicals, industrialization, urbanization, soil steepness and land mismanagement. Accordingly, the reviewed water quality indicate that the water quality pollution likelihood is increasing over time. These facts reveal that the water quality soon or late will be highly polluted and calls for further adaptation and management measures.

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“…Storms coupled with landslides damaged roads and bridges and many more thousands of hectares of farmlands, especially in the North-western region of the country [ 25 ]. Referring to the studies conducted in the region [ [24] , [26] , [27] ], up to 29% of rainfall intensity is expected to increase with +60% frequency by the end-century. Such rainstorm increments might eventually have a significant impact on infrastructure and hydrologic regime.…”

Section: Introductionmentioning

confidence: 99%

Modelling the future climate impacts on hydraulic infrastructure development in tropical (peri-)urban region: Case of Kigali, Rwanda

Iradukunda,

Mwanaumo,

Kabika

2024

Heliyon

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Projections of precipitation, air temperature and potential evapotranspiration in Rwanda under changing climate conditions

Abstract: st century resulting in deficit in water availability for the rainfed agriculture. Deficit periods in which potential evapotranspiration exceeds precipitation will be extended to 10 months at some parts in the country instead of 4 months at present.

Cited by 20 publications

References 24 publications

Trend Analyses of Temperature and Rainfall and Their Response to Global CO2 Emission in Masha, Southern Ethiopia

Trend Analyses of Temperature and Rainfall and Their Response to Global CO2 Emission in Masha, Southern Ethiopia

Review on Water Resources Management and Key Threats in Rwanda, East Africa

Modelling the future climate impacts on hydraulic infrastructure development in tropical (peri-)urban region: Case of Kigali, Rwanda

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