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2021
1 Meland, Sondre; Barkved, Line Johanne; Gragne, Ashenafi Seifu; Seifert-Dähnn, Isabel; Brandt, Uta; Enge, Caroline; Johnsen, Geir Sogge; Johannesen, Hans-Petter; Kronvall, Kjersti Wike.
Demonstrasjons- og testsenter for karakterisering og rensing av forurenset overvann - mulighetsstudie. : Norsk institutt for vannforskning 2021 (ISBN 978-82-577-7346-5) 49 s. NIVA-rapport(7610)
NIVA Untitled
 
2020
2 Hernes, Ragni Rønneberg; Gragne, Ashenafi Seifu; Hassan Abdalla, Elhadi Mohsen; Braskerud, Bent C.; Alfredsen, Knut; Muthanna, Tone Merete.
Assessing the effects of four SUDS scenarios on combined sewer overflows in Oslo, Norway: evaluating the low-impact development module of the mike urban model. Hydrology Research 2020 ;Volum 51.(6) s. 1437-1454
NTNU Untitled
 
2019
3 Johannessen, Birgitte Gisvold; Hamouz, Vladimir; Gragne, Ashenafi Seifu; Muthanna, Tone Merete.
The transferability of SWMM model parameters between green roofs with similar build-up. Journal of Hydrology 2019 ;Volum 569. s. 816-828
NTNU Untitled
 
2018
4 Russwurm, Ingrid L.; Johannessen, Birgitte Gisvold; Gragne, Ashenafi Seifu; Lohne, Jardar; Muthanna, Tone Merete.
Modelling green roof detention performance in cold climates. EPiC Series in Engineering 2018 ;Volum 3. s. 1804-1813
NTNU Untitled
 
2017
5 Gragne, Ashenafi Seifu; Muthanna, Tone Merete.
Capacity of the Kværnerbyen Culvert-Tunnel System: Assessment and suggestions for increased flow capacity. Trondheim: NTNU 2017 (ISBN 978-82-7598-106-4) 22 s.
NTNU Untitled
 
6 ; Mittet, Jonas.
A regionalisation technique for urban ungauged catchments. A case study from Norway. : Norwegian University of Science and Technology, Department of Civil and Environmental Engineering 2017 45 s.
NTNU Untitled
 
2016
7 Gragne, Ashenafi Seifu; Sægrov, Sveinung.
Beregning av nedbørsavrenning i Stangelandsåna, Sandnes. Trondheim, Norway: Norwegian University of Science and Technology NTNU 2016 (ISBN 978-82-7598-099-9) 30 s.
NTNU Untitled
 
2015
8 Gragne, Ashenafi Seifu.
Updating Hydrologic Models for Improved Inflow Forecasts into Hydropower Reservoirs. Trondheim: Norwegian University of Science and Technology 2015 (ISBN 978-82-326-0774-7) 163 s.
NTNU Untitled
 
9 Gragne, Ashenafi Seifu; Alfredsen, Knut; Sharma, A; Mehrotra, R.
Recursively updating the error forecasting scheme of a complementary modelling framework for improved reservoir inflow forecasts. Journal of Hydrology 2015 ;Volum 527. s. 967-977
NTNU Untitled
 
10 Gragne, Ashenafi Seifu; Muthanna, Tone Merete; Alfredsen, Knut; Sægrov, Sveinung.
The Kværnerbyen flood of 2nd September 2015 Reconstruction of the Alna River flows and capacity assessment of the culvert-tunnel system. : ntnu 2015 (ISBN 978-82-7598-093-7) 19 s.
NTNU Untitled
 
11 Gragne, Ashenafi Seifu; Sharma, Ashish; Mehrotra, R; Alfredsen, Knut.
Improving real-time inflow forecasting into hydropower reservoirs through a complementary modelling framework. Hydrology and Earth System Sciences 2015 ;Volum 19.(8) s. 3695-3714
NTNU Untitled
 
2014
12 Gragne, Ashenafi Seifu; Sharma, Ashish; Mehrotra, R; Alfredsen, Knut.
Improving inflow forecasting into hydropower reservoirs through a complementary modelling framework. Hydrology and Earth System Sciences Discussions 2014 ;Volum 11.(10) s. 12063-12101
NTNU Untitled
 
2012
13 Bruland, Oddbjørn; Kolberg, Sjur; Engeland, Kolbjørn; Tøfte, Lena S; Gragne, Ashenafi Seifu; Alfredsen, Knut; Liston, Glen.
Updating of states in operational hydrological models. European Geosciences Union General Assembly; 2012-04-23 - 2012-04-27
ENERGISINT NTNU Untitled
 
14 Bruland, Oddbjørn; Kolberg, Sjur; Engeland, Kolbjørn; Tøfte, Lena S; Gragne, Ashenafi Seifu; Liston, Glen; Sand, Knut; Alfredsen, Knut.
Updating of states in operational hydrological models. Geophysical Research Abstracts 2012 ;Volum 14.
ENERGISINT NTNU Untitled
 
2011
15 Gragne, Ashenafi Seifu; Alfredsen, Knut.
Automated Detection and Categorization of Hydrograph Errors for Updating Operational Hydrologic Models. XXV IUGG General Assembly; 2011-06-28 - 2011-07-07
NTNU Untitled
 
16 Gragne, Ashenafi Seifu; Alfredsen, Knut; Engeland, Kolbjørn; Kolberg, Sjur.
Evaluation of updating procedures for improving simulation of autumn flows. Northern Research Basins; 2011-08-15 - 2011-08-20
NTNU Untitled
 
2010
17 Abdella, Yisak Sultan; Alfredsen, Knut; Tsegaw, Aynalem Tassachew; Gragne, Ashenafi Seifu.
Distributed modelling of catchment hydrology using radar derived precipitation. Conference on modelling hydrology, climate and land surface processes; 2010-09-14 - 2010-09-16
NTNU Untitled
 
18 Uhlenbrook, Stefan; Mohammed, Yasir; Gragne, Ashenafi Seifu.
Analyzing catchment behavior through catchment modeling in the Gilgel Abay, Upper Blue Nile River Basin, Ethiopia. Hydrology and Earth System Sciences Discussions 2010 ;Volum 14. s. 2153-2165
NTNU Untitled
 
2008
19 Gragne, Ashenafi Seifu; Uhlenbrook, Stefan.
Analysis of Model Sensitivity for Ease of Manual Rainfall-Runoff Model Calibration in Upper Blue Nile Basin, Ethiopia. 3rd International Conference on Engineering Education, Technology and Environment; 2008-04-18 - 2008-04-19
NTNU Untitled
 
20 Gragne, Ashenafi Seifu; Uhlenbrook, Stefan; Mohammed, Yasir; Kebede, Seifu.
Catchment Modeling and Model Transferability in Upper Blue Nile Basin, Lake Tana, Ethiopia. Hydrology and Earth System Sciences Discussions 2008 ;Volum 5. s. 811-842
Untitled
 
2007
21 Gragne, Ashenafi Seifu; Uhlenbrook, Stefan; Mohammed, Yasir.
Catchment Modeling and Preliminary Application of Isotopes for Model Validation. 1st IMWI/ITC/UNESCO-IHE Workshop; 2007-06-04 - 2007-06-05
NTNU Untitled