Koray Kamil Yılmaz

E-mail
yilmazk@metu.edu.tr
Department
Department of Geological Engineering
Scopus Author ID
Web of Science Researcher ID
Production of a high-resolution improved radar precipitation estimation map using gauge adjustment bias correction methods
Yousefi, Kaveh Patakchi; Yılmaz, Mustafa Tuğrul; Ozturk, Kurtulus; Yücel, İsmail; Yılmaz, Koray Kamil (null; 2020-05-08)
This study evaluates relative performances of different statistical algorithms to enhance radar-based quantitative precipitation estimation (QPE) accuracy using rain gauge network data. Initial investigations are implement...
Performance evaluation of satellite- and model-based precipitation products over varying climate and complex topography
Amjad, Muhammad; Yılmaz, Mustafa Tuğrul; Yücel, İsmail; Yılmaz, Koray Kamil (Elsevier BV, 2020-05-01)
Accuracy assessment of precipitation retrievals is a pre-requisite for many hydrological studies as it helps to understand the source and the magnitude of the uncertainty in hydrological response variables, particularly ov...
A multi-technique approach to determine temporal and spatial variability of groundwater-stream water exchange
Koruk, Kasimcan; Yılmaz, Koray Kamil; Akyürek, Sevda Zuhal; Binley, Andrew (Wiley, 2020-04-03)
Characterizing the spatio-temporal distribution of groundwater-surface water (GW-SW) exchange fluxes is of paramount importance in understanding catchment behavior. A wide range of field-based techniques are available for ...
Evaluation of GPM-era Global Satellite Precipitation Products over Multiple Complex Terrain Regions
Derin, Yagmur; Anagnostou, Emmanouil; Berne, Alexis; Borga, Marco; Boudevillain, Brice; Buytaert, Wouter; Chang, Che-Hao; Chen, Haonan; Delrieu, Guy; Hsu, Yung Chia; Lavado-Casimiro, Waldo; Manz, Bastian; Moges, Semu; Nikolopoulos, Efthymios I.; Sahlu, Dejene; Salerno, Franco; Rodriguez-Sanchez, Juan-Pablo; Vergara, Humberto J.; Yılmaz, Koray Kamil (MDPI AG, 2019-12-02)
The great success of the Tropical Rainfall Measuring Mission (TRMM) and its successor Global Precipitation Measurement (GPM) has accelerated the development of global high-resolution satellite-based precipitation products ...
Evaluation of gauge adjustment methods in improving radar precipitation estimation quality over Antalya radar in Turkey.
Yousufi, Kaveh Patakchi; Yılmaz, Mustafa Tuğrul; Ozturk, Kurtulus; Yücel, İsmail; Yılmaz, Koray Kamil (null; 2019-11-28)
Radar-based precipitation estimates rely on algorithms that utilize observations of backscattered waves sent from the radar. By utilizing these backscattered observations and different reflectivity-rainfall (Z-R) equations...
TMPA VE ECMWF yağiş verilerinin yer gözlem verileriyle doğrulanmasi
Amjad, Muhammad; Düzenli, Eren; Afshar, Mehdi; Bulut, Burak; Senocak, Ali Ulvi Galip; Yılmaz, Koray Kamil; Yılmaz, Mustafa Tuğrul; Yücel, İsmail (null; 2019-10-15)
Twenty-three unsolved problems in hydrology (UPH) - a community perspective
Bloeschl, Gunter; et. al. (Informa UK Limited, 2019-07-01)
This paper is the outcome of a community initiative to identify major unsolved scientific problems in hydrology motivated by a need for stronger harmonisation of research efforts. The procedure involved a public consultati...
A multi-technique approach to determine temporal and spatial variability of groundwater-stream water exchange
Koruk, Kasimcan; Yılmaz, Koray Kamil; Akyürek, Sevda Zuhal; Binley, Andrew (null; 2019-04-07)
Characterizing the spatio-temporal distribution of groundwater-surface water exchange fluxes are of paramountimportance in understanding catchment behavior as well as biogeochemical and ecological status. The objectiveof ...
sectoral drought vulnerability and drought period forecasts in van lake basin, Turkey until 2100
Fırat, Egemen; Yılmaz, Koray Kamil; Aydın, Harun (null; 2019-04-07)
Van Lake Basin consists of critical regions in regards to drought events. Specifically, the droughts have an impacton the socio-economic level, which is considered to be the most extreme phase of the drought in that area. ...
Uncertainty assessment of satellite- and model-based precipitation products over complex terrain of Turkey
Amjad, Muhammad; Yılmaz, Mustafa Tuğrul; Yücel, İsmail; Yılmaz, Koray Kamil (2019-04-07)
This study evaluates satellite-based (TMPA 3B42V7 and GPM IMERGv5) and model-based (ECMWF ERAInterim) precipitation products by using ground-based gauge stations as reference over Turkey, characterized by complex topograph...
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