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Effect of Bias Correction of Satellite-Rainfall Estimates on Runoff Simulations at the Source of the Upper Blue Nile
2014
Remote Sensing
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The study area is the Gilgel Abbay catchment situated at the source basin of the Upper Blue Nile basin in Ethiopia, Eastern Africa. Rain gauge networks in such area are typically sparse. ...
Additional improvements were observed when both the spatial and temporal variability in the bias was accounted for. The rainfall bias was found to have a pronounced effect on model calibration. ...
Acknowledgment Support for this study was provided by the National Science Foundation (NSF) through Award Number OISE-0914618 to the University of Louisiana at Lafayette, and by the the NASA EPSCoR/BoR ...
doi:10.3390/rs6076688
fatcat:xb7ajhe75ne5vkjokvzur7h5x4
Impacts of climate change on Blue Nile flows using bias-corrected GCM scenarios
2009
Hydrology and Earth System Sciences
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These were used to drive a fine-scale hydrological model of the Nile Basin to assess their impacts on the flows of the upper Blue Nile at Diem, which accounts for about 60% of the mean annual discharge ...
of the Nile at Dongola. ...
Mean monthly precipitation and runoff distributions for the upper Blue Nile Basin for 2081-2098 as simulated by the 17 bias-corrected GCMs. ...
doi:10.5194/hess-13-551-2009
fatcat:ggo4hqbcf5c3vdiia3ux2aa7pe
Hydrological Evaluation of Satellite and Reanalysis Precipitation Products in the Upper Blue Nile Basin: A Case Study of Gilgel Abbay
2017
Hydrology
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The results indicate the precipitation products consistently provide a better performance of runoff estimation when they are independently calibrated than simulation modes of the products. ...
The aim of this study is to assess the performance of various global precipitation products for water resources application in the Upper Blue Nile basin, Ethiopia. ...
The authors would like to thank the editor and anonymous reviewers for their constructive comments and suggestions, which have substantially improved the quality of this manuscript. ...
doi:10.3390/hydrology4030039
fatcat:mpdmreyyubhyrlepd3kjmm3rlu
Comparing TRMM 3B42, CFSR and ground-based rainfall estimates as input for hydrological models, in data scarce regions: the Upper Blue Nile Basin, Ethiopia
2015
Hydrology and Earth System Sciences Discussions
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Both are located in the Upper Blue Nile Basin. The two models are calibrated with the observed discharge from 1994 to 2003 and validated from 2004 to 2006. ...
Finally surprisingly, the ground based gauge performed better for both watersheds (with the exception of extreme events) than TRMM and CFSR satellite rainfall estimates. ...
The data providers of Tropical Rainfall Measuring Mission (TRMM) product (3B42) and Climate Forecast System Reanalysis (CFSR) are also acknowledged. ...
doi:10.5194/hessd-12-2081-2015
fatcat:4gpvzbqecbd35ddll2sdytp6lq
Evaluation and Bias Correction of CHIRP Rainfall Estimate for Rainfall-Runoff Simulation over Lake Ziway Watershed, Ethiopia
2019
Hydrology
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In this study, we evaluated the performance and the bias correction of Climate Hazards Group InfraRed Precipitation (CHIRP) satellite estimate for rainfall-runoff simulation at Meki and Katar catchments ...
However, bias-corrected CHIRP rainfall estimate effectively reduced the bias and resulted in improved streamflow simulations. ...
The authors also thank the satellite data providers of Climate Hazards Group (CHG) and other institutes for making the satellite rainfall data available. ...
doi:10.3390/hydrology6030068
fatcat:wlfiruxh2jdevg6ftu6phfrtoi
Hydrologic Assessment of the Uncertainty of Six Remote Sensing Precipitation Estimates Driven by a Distributed Hydrologic Model in the Blue Nile Basin
[chapter]
2021
Natural Disaster Science and Mitigation Engineering: DPRI reports
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AbstractBecause of the sparseness of the ground monitoring network, precipitation estimations based on satellite products (PESPs) are currently requisite tools for hydrological simulation research and ...
Additionally, the distributed Hydrological River Basin Environmental Assessment Model (Hydro-BEAM) is used to investigate their potential effects in streamflow predictions over the Blue Nile basin (BNB ...
The Blue Nile River is a vital tributary of the Nile River and provides the greatest portion to the flow of the Nile River, approximately 60%. ...
doi:10.1007/978-981-16-2904-4_8
fatcat:ncdtnnyuybfzvkf6yqofi574fm
Evaluation of satellite precipitation products using HEC-HMS model
2020
Modeling Earth Systems and Environment
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The study shows that the model performance was significantly improved when bias-corrected satellite rainfall input replaced than the original uncorrected satellite products. ...
Accurate measurement of precipitation is vital to investigate the spatial and temporal patterns of precipitation at various scales for rainfall-runoff modeling. ...
Upper Blue Nile Basin. ...
doi:10.1007/s40808-020-00792-z
fatcat:dxvtbg6aenerjcxskjh2sq5m4e
Upper Blue Nile basin water budget from a multi-model perspective
2017
Journal of Hydrology
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Improved understanding of the water balance in the Blue Nile is of critical importance because of increasingly frequent hydroclimatic extremes under a changing climate. ...
The model experiments forced with observation-based products, the Climate Hazards group Infrared Precipitation with Stations (CHIRPS) and the Tropical Rainfall Measuring Mission (TRMM) Multi-Satellite ...
Computing was supported by the resources at the NASA Center for Climate Simulation (NCCS). We thank Martha Anderson for the ALEXI ET data. ...
doi:10.1016/j.jhydrol.2017.10.040
pmid:32647388
pmcid:PMC7346279
fatcat:zfrydoosefbezimgdzcuhysbmm
Hydrological evaluation of satellite and reanalysis-based rainfall estimates over the Upper Tekeze Basin, Ethiopia
2022
Hydrology Research
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Two important issues should be addressed before the use of satellite and reanalysis rainfall product at the basin level: (1) How useful are these rainfall estimates as forcing data for regional hydrological ...
This paper presents the hydrological performance of satellite and reanalysis rainfall products (CHIRPSv8 and EWEMBI) at three hydrological stations in the Upper Tekeze River Basin (UTB), northern Ethiopia ...
ACKNOWLEDGEMENTS This research was supported by the National Natural Science Foundation of China (41730645, 41790424, and 41877164) ...
doi:10.2166/nh.2022.131
fatcat:6z5gzj35zbahxl5kyaxdozwrmq
Complimentary Material Of Paper: Modelling The Water Budget Of The Upper Blue Nile Basin Using The Jgrass-Newage Model System And Satellite Data
[article]
2017
Zenodo
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This contains the complimentary material of the paper: Modelling the water budget of the Upper Blue Nile basin using the JGrass-NewAge model system and satellite data. ...
There is also a revised version of the rebuttal letter sent to the Editor with a copy of the revised manuscript (in clear). ...
GLOBAQUA (Managing the effects of multiple stressors on aquatic ecosystems under water scarcity, grant no. 603629-ENV-2013.6.2.1). ...
doi:10.5281/zenodo.264004
fatcat:he5v7ofhbvc2vgxxalkhgiwu3y
Modeling the water budget of the Upper Blue Nile basin using the JGrass-NewAge model system and satellite data
2017
Hydrology and Earth System Sciences
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</strong> The Upper Blue Nile basin is one of the most data-scarce regions in developing countries, and hence the hydrological information required for informed decision making in water resource management ...
The satellite product SM2R-CCI is used for obtaining the rainfall inputs, SAF EUMETSAT for cloud cover fraction for proper net radiation estimation, GLEAM for comparison with NewAge-estimated evapotranspiration ...
The study basin The Upper Blue Nile river originates at Lake Tana at Bahir Dar, flowing southeast through a series of cataracts. ...
doi:10.5194/hess-21-3145-2017
fatcat:r2iy22qpgnerjmsvcv27o5zfr4
Dynamical bias correction procedure to improve global gridded daily streamflow data for local application in the Upper Blue Nile basin
2021
Journal of Hydrology and Hydromechanics
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This research focuses on the evaluation and correction of the bias embedded in the global streamflow product (WRR, 0.25°) developed by WaterGAP3 hydrological model in the upper Blue Nile basin part of ...
Therefore, the temporal-spatial variable scheme is applicable and can use as one method for the bias correction to use the global data for local applications in the upper Blue Nile basin. ...
The authors would like to thank the Ethiopian Ministry of Water, Irrigation and Energy for the updated observed streamflow data. Conflicts of interest. The authors declare no conflict of interest. ...
doi:10.2478/johh-2020-0040
fatcat:3n6vpexfq5csdavu2c5b4bbjhe
Comparing impacts of climate change on streamflow in four large African river basins
2014
Hydrology and Earth System Sciences
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</strong> This study aims to compare impacts of climate change on streamflow in four large representative African river basins: the Niger, the Upper Blue Nile, the Oubangui and the Limpopo. ...
The uncertainty of the projections is the lowest in the Upper Blue Nile, where an increase in streamflow is most likely. ...
We thank the IMPACT2c project for financing this study and ISI-MIP for providing us with bias corrected climate scenarios. Edited by: D. Mazvimavi ...
doi:10.5194/hess-18-1305-2014
fatcat:pr2jhg2tlfehpeumi6ifgzwphy
A Review of SWAT Model Application in Africa
2021
Water
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Dataset inputs mainly compared simulations with rain-gauge and global rainfall data sources. ...
A total of 206 studies over a 15-year period (2005–2019) were identified from various peer-reviewed scientific journals listed on the SWAT website database, which is supported by the Centre for Agricultural ...
Bias correction of satellite rainfall estimates significantly improves the SWAT model simulations as highlighted in the hydrological modeling of a small mountainous watershed in Ethiopia [90] . ...
doi:10.3390/w13091313
fatcat:udas5pny5rb35dzpp7lak2dkoy
Assessment of the two satellite-based precipitation products TRMM and RFE rainfall records using ground based measurements
2020
Alexandria Engineering Journal
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The objective of this study is to evaluate the two satellite-based precipitation products; RainFall Estimate (RFE) and Tropical Rainfall Measuring Mission (TRMM) using ground gauge-based rainfall measurements ...
Therefore, estimating the amount of rain from verified satellites is useful to obtain the pattern of rainfall that could be used in hydrological models to provide river discharges forecasts and to specify ...
Central Kalahari Basin and perform bias-correction of the Satellite rainfall estimation. ...
doi:10.1016/j.aej.2020.03.035
fatcat:2a4mpeicuretplbic35bqo3ecq
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