Climate Change and Its Effect on Land Use Change in the Central Rift Valley of Ethiopia

Bekele, Belew

doi:10.15666/aeer/1704_76937713

Cited by 7 publications

(9 citation statements)

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“…Across the world, previous findings showed a decline in ecosystem-service values. A study by [27] on the east African rift system RVLR, Ethiopia revealed that approximately USD 196.04 × 106 of ES value was lost from 1986 to 2018. Many other studies showed that LULC types have resulted in a significant loss of ecosystem-service values.…”

Section: Effect Of Lulc Changes On Esvmentioning

confidence: 99%

Measuring the Semi-Century Ecosystem-Service Value Variation in Mekelle City Region, Northern Ethiopia

Weldegebriel

Yeshitela

2021

Sustainability

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The Mekelle city region is facing severe ecosystem degradation. The study area has experienced unprecedented land-use dynamics over the past 47 years, but the effect of these dynamics on ecosystem-service values remains unknown. Estimating the various ecosystem services from a city region perspective has not been attempted so far. The rationale of this study was to estimate the spatial–temporal ecosystem-service value variations. The methodology employed was land-use/land-cover (LULC) datasets of remotely sensed datasets of the years 1972, 1984, 2001, 2012, and 2019, and ecosystem service value coefficient, expert focus group discussion, and document review were used. The digital satellite images were processed, classified, and analyzed using Earth Resource Development Assessment System (ERDAS) Imagine. Computations of changes in the land-use categories were made using Arc GIS 10.5.1, Eviews for time series data analysis, and XLSTAT analytical tools were used. Over the whole study period from 1972 to 2019, a loss of USD 128.6 million was observed, which is a reduction of 501.9%. The study shows that due to land-use changes, the total ecosystem service value is decreasing annually, suggesting that much more severe ecosystem degradation is due to occur. The results are relevant to policy development and indicate that ecological restoration is the best option in the study area.

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Section: Effect Of Lulc Changes On Esvmentioning

confidence: 99%

Measuring the Semi-Century Ecosystem-Service Value Variation in Mekelle City Region, Northern Ethiopia

Weldegebriel

Yeshitela

2021

Sustainability

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“…There was a notable decline of 43.67 mm per decade in the average total annual rainfall observed in the western Oromia region [ 17 ]. Between 2007 and 2016, there was an 18 % decrease in the average number of rainy days during the spring season, when compared to the 1981–1990 baseline [ 18 ].…”

Section: Introductionmentioning

confidence: 99%

The trends and spatiotemporal variability of temperature and rainfall in Hulbarag district, Silte Zone, Ethiopia

Kerebo,

Bizuneh,

Mekonnen

et al. 2024

Heliyon

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“…On the other hand, rainfall and evapotranspiration are used to investigate meteorological drought severity in space and time. Various studies have used SPEI and SPI drought indexes in Ethiopia's Rift Valley to investigate meteorological drought severity distribution in the region (Bekele et al 2019;Moloro 2018;Nasir et al 2021). In this study, SPI and SGI are used to investigate the drought propagation in the hydrological cycle and drought distribution.…”

Section: Introductionmentioning

confidence: 99%

Drought propagation in the hydrological cycle in a semiarid region: a case study in the Bilate catchment, Ethiopia

et al. 2022

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Drought is a temporal decrease in water availability and occurs in all climatic regions. Droughts propagate through the hydrological cycle, e.g., meteorological drought propagates to groundwater recharge drought. This research investigated drought propagation in the hydrological cycle in a semiarid context. Meteorological drought severity was determined using a standardized precipitation index (SPI). A variable threshold method and standardized groundwater index (SGI) was implemented to investigate groundwater recharge drought. Comparing meteorological drought (SPI) and groundwater drought (SGI) helps to assess drought propagation in the hydrological cycle. For drought analysis, time-series of rainfall and groundwater recharge needs to be available with high spatial and temporal resolution. Therefore, for this study, daily rainfall measurements were collected from 11 meteorological stations, and water balance modeling was used to estimate temporally and spatially distributed groundwater recharge. This research was carried out in the Bilate River catchment in the Rift Valley basin of Ethiopia. Results show that meteorological droughts were observed before every groundwater recharge drought and they propagate to groundwater recharge drought. Furthermore, analysis of the drought propagation indicates that not all meteorological droughts are propagated. The analysis also shows that a combination of mild to severe meteorological droughts can propagate to groundwater recharge and result in a major groundwater-recharge drought event.

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Climate Change and Its Effect on Land Use Change in the Central Rift Valley of Ethiopia

Cited by 7 publications

References 0 publications

Measuring the Semi-Century Ecosystem-Service Value Variation in Mekelle City Region, Northern Ethiopia

Measuring the Semi-Century Ecosystem-Service Value Variation in Mekelle City Region, Northern Ethiopia

The trends and spatiotemporal variability of temperature and rainfall in Hulbarag district, Silte Zone, Ethiopia

Drought propagation in the hydrological cycle in a semiarid region: a case study in the Bilate catchment, Ethiopia

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