Yared Bayissa
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View article: Global assessment of socio-economic drought events at the subnational scale: a comparative analysis of combined versus single drought indicators
Global assessment of socio-economic drought events at the subnational scale: a comparative analysis of combined versus single drought indicators Open
The accurate assessment of the propagation of drought hazards to socio-economic impacts poses a significant challenge and is still less explored. To address this, we analysed a subnational disaster dataset called Geocoded Disaster (GDIS) a…
View article: Advancing basin-scale drought monitoring: Development of a regional combined drought index using precipitation, soil moisture, and vegetation data
Advancing basin-scale drought monitoring: Development of a regional combined drought index using precipitation, soil moisture, and vegetation data Open
View article: Hydrological Implications of Supplemental Irrigation in Cocoa Production Using SWAT Model: Insights from the Upper Offin Sub-Basin, Ghana
Hydrological Implications of Supplemental Irrigation in Cocoa Production Using SWAT Model: Insights from the Upper Offin Sub-Basin, Ghana Open
The cocoa production in Ghana, largely reliant on rainfall and undertaken by smallholder farmers, is increasingly endangered by climate change-induced water scarcity. Although supplemental irrigation has been posited as an adaptive measure…
View article: Evaluating the potential of Nature-based solutions to mitigate land use and climate change impacts on the hydrology of the Gefersa and Legedadi watersheds in Ethiopia
Evaluating the potential of Nature-based solutions to mitigate land use and climate change impacts on the hydrology of the Gefersa and Legedadi watersheds in Ethiopia Open
Study region: Surface water supply source of Addis Ababa, the capital city of Ethiopia, relies primarily on the small reservoirs in Gefersa and Legedadi water supply systems located upstream of Little and Big Akaki rivers. Thus, Gefersa an…
View article: Water quality estimates using machine learning techniques in an experimental watershed
Water quality estimates using machine learning techniques in an experimental watershed Open
This study aims to identify the best machine learning (ML) approach to predict concentrations of biochemical oxygen demand (BOD), nitrate, and phosphate. Four ML techniques including Decision tree, Random Forest, Gradient Boosting and XGBo…
View article: Global Assessment of Socio-Economic Impacts of Subnational Droughts: A Comparative Analysis of Combined Versus Single Drought Indicators
Global Assessment of Socio-Economic Impacts of Subnational Droughts: A Comparative Analysis of Combined Versus Single Drought Indicators Open
The accurate assessment of the propagation of drought hazards to socio-economic impacts poses a significant challenge and is still less explored. To address this, we analyzed a sub-national disaster dataset called the Geocoded Disaster (GD…
View article: Spatial and temporal variability of precipitation in a mountainous watershed using weighted interpolation by distance and elevation
Spatial and temporal variability of precipitation in a mountainous watershed using weighted interpolation by distance and elevation Open
The aim of this study is to discretize precipitation through interpolation utilizing the inverse square of distance and elevation as weighting elements to represent the spatial and temporal variation of rainfall. This technique has proven …
View article: Developing an Approach for Equitable and Reasonable Utilization of International Rivers: The Nile River
Developing an Approach for Equitable and Reasonable Utilization of International Rivers: The Nile River Open
The absence of a basin-wide apportionment agreement on using the Nile River equitably has been a long-standing source of disagreement among Nile riparian states. This study introduces a new approach that the riparian states can consider th…
View article: Cyprus Surface Water Area Variation Based on the 1984–2021 Time Series Built from Remote Sensing Products
Cyprus Surface Water Area Variation Based on the 1984–2021 Time Series Built from Remote Sensing Products Open
Cyprus experiences the highest level of water stress among European Union countries due to several interplaying factors such as rainfall variability and increasing water demand. These instigate the nation to build dams on almost all rivers…
View article: Using seasonal climate scenarios in the <scp>ForageAhead</scp> annual forage production model for early drought impact assessment
Using seasonal climate scenarios in the <span>ForageAhead</span> annual forage production model for early drought impact assessment Open
High interannual variability of forage production in semiarid grasslands leads to uncertainties when livestock producers make decisions, such as buying additional feed, relocating animals, or using flexible stocking. Within‐season predicti…
View article: Evaluating the impacts of watershed rehabilitation and irrigation interventions on vegetation greenness and soil erosion using remote sensing and biophysical modelling in Feresmay watershed in Ethiopia
Evaluating the impacts of watershed rehabilitation and irrigation interventions on vegetation greenness and soil erosion using remote sensing and biophysical modelling in Feresmay watershed in Ethiopia Open
Soil erosion and subsequent land degradation undermine efforts to ensure food security and environmental sustainability in Ethiopia. The government of Ethiopia has implemented extensive soil and water conservation (SWC) programs in severel…
View article: The contributions of Public Works in watershed rehabilitation and irrigation in Bureau for Humanitarian Assistance supported Productive Safety Net Program areas of Ethiopia to resilience and nutrition
The contributions of Public Works in watershed rehabilitation and irrigation in Bureau for Humanitarian Assistance supported Productive Safety Net Program areas of Ethiopia to resilience and nutrition Open
The Ethiopian Productive Safety Net Program (PSNP), launched in 2005 and operating in eight regional states, harmonizes the delivery of donor support to vulnerable populations experiencing chronic food insecurity and shocks. PSNP investmen…
View article: Developing a Combined Drought Index to Monitor Agricultural Drought in Sri Lanka
Developing a Combined Drought Index to Monitor Agricultural Drought in Sri Lanka Open
Developing an agricultural drought monitoring index through integrating multiple input variables into a single index is vital to facilitate the decision-making process. This study aims to develop an agricultural drought index (agCDI) to mo…
View article: Impact of Climate Change on Water Resources and Crop Production in Western Nepal: Implications and Adaptation Strategies
Impact of Climate Change on Water Resources and Crop Production in Western Nepal: Implications and Adaptation Strategies Open
Irrigation-led farming system intensification and efficient use of ground and surface water resources are currently being championed as a crucial ingredient for achieving food security and reducing poverty in Nepal. The potential scope and…
View article: Monitoring Climate Impacts on Annual Forage Production across U.S. Semi-Arid Grasslands
Monitoring Climate Impacts on Annual Forage Production across U.S. Semi-Arid Grasslands Open
The ecosystem performance approach, used in a previously published case study focusing on the Nebraska Sandhills, proved to minimize impacts of non-climatic factors (e.g., overgrazing, fire, pests) on the remotely-sensed signal of seasonal…
View article: Evaluation of Regional Climate Models (RCMs) Using Precipitation and Temperature-Based Climatic Indices: A Case Study of Florida, USA
Evaluation of Regional Climate Models (RCMs) Using Precipitation and Temperature-Based Climatic Indices: A Case Study of Florida, USA Open
The overarching objective of this study was to evaluate the performance of nine precipitation-based and twelve temperature-based climatic indices derived from four regional climate models (CRCM5-UQUAM, CanRCM4, RCA4 and HIRHAM5) driven by …
View article: Multi-Dimensional Drought Assessment in Abbay/Upper Blue Nile Basin: The Importance of Shared Management and Regional Coordination Efforts for Mitigation
Multi-Dimensional Drought Assessment in Abbay/Upper Blue Nile Basin: The Importance of Shared Management and Regional Coordination Efforts for Mitigation Open
Drought is one of the least understood and complex natural hazards often characterized by a significant decrease in water availability for a prolonged period. It can be manifested in one or more forms as meteorological, agricultural, hydro…
View article: Forest Drought Response Index (ForDRI): A New Combined Model to Monitor Forest Drought in the Eastern United States
Forest Drought Response Index (ForDRI): A New Combined Model to Monitor Forest Drought in the Eastern United States Open
Monitoring drought impacts in forest ecosystems is a complex process because forest ecosystems are composed of different species with heterogeneous structural compositions. Even though forest drought status is a key control on the carbon c…
View article: Forest Drought Response Index (ForDRI): A New Combined Model to Monitor Forest Drought in the Eastern United States
Forest Drought Response Index (ForDRI): A New Combined Model to Monitor Forest Drought in the Eastern United States Open
Monitoring drought impacts in forest ecosystems is a complex process, because forest ecosystems are composed of different species with heterogeneous structural compositions. Even though forest drought status is a key control on the carbon …
View article: Developing a Remote Sensing-Based Combined Drought Indicator Approach for Agricultural Drought Monitoring over Marathwada, India
Developing a Remote Sensing-Based Combined Drought Indicator Approach for Agricultural Drought Monitoring over Marathwada, India Open
The increasing drought severities and consequent devastating impacts on society over the Indian semi-arid regions demand better drought monitoring and early warning systems. Operational agricultural drought assessment methods in India main…
View article: Multi-Dimensional Nature of Drought in Abbay/Upper Blue Nile Basin and the Importance of Regional Coordination Efforts for Mitigation
Multi-Dimensional Nature of Drought in Abbay/Upper Blue Nile Basin and the Importance of Regional Coordination Efforts for Mitigation Open
View article: Building A High-Resolution Vegetation Outlook Model to Monitor Agricultural Drought for the Upper Blue Nile Basin, Ethiopia
Building A High-Resolution Vegetation Outlook Model to Monitor Agricultural Drought for the Upper Blue Nile Basin, Ethiopia Open
To reduce the impacts of drought, developing an integrated drought monitoring tool and early warning system is crucial and more effective than the crisis management approach that is commonly used in developing countries like Ethiopia. The …
View article: Comparison of the Performance of Six Drought Indices in Characterizing Historical Drought for the Upper Blue Nile Basin, Ethiopia
Comparison of the Performance of Six Drought Indices in Characterizing Historical Drought for the Upper Blue Nile Basin, Ethiopia Open
The Upper Blue Nile (UBN) basin is less-explored in terms of drought studies as compared to other parts of Ethiopia and lacks a basin-specific drought monitoring system. This study compares six drought indices: Standardized Precipitation I…
View article: Data Mining Attribute Selection Approach for Drought Modelling : A Case Study for Greater Horn of Africa
Data Mining Attribute Selection Approach for Drought Modelling : A Case Study for Greater Horn of Africa Open
The objectives of this paper were to 1) develop an empirical method for\nselecting relevant attributes for modelling drought, and 2) select the most\nrelevant attribute for drought modelling and predictions in the Greater Horn of\nAfrica (…
View article: Information Mining from Heterogeneous Data Sources: A Case Study on Drought Predictions
Information Mining from Heterogeneous Data Sources: A Case Study on Drought Predictions Open
The objective of this study was to develop information mining methodology for drought modeling and predictions using historical records of climate, satellite, environmental, and oceanic data. The classification and regression tree (CART) a…
View article: Evaluation of Satellite-Based Rainfall Estimates and Application to Monitor Meteorological Drought for the Upper Blue Nile Basin, Ethiopia
Evaluation of Satellite-Based Rainfall Estimates and Application to Monitor Meteorological Drought for the Upper Blue Nile Basin, Ethiopia Open
Drought is a recurring phenomenon in Ethiopia that significantly impacts the socioeconomic sector and various components of the environment. The overarching goal of this study is to assess the spatial and temporal patterns of meteorologica…