User profiles for Kuk-Hyun Ahn

Kuk-Hyun Ahn

Kongju National University
Verified email at kongju.ac.kr
Cited by 938

Quantifying the relative impact of climate and human activities on streamflow

KH Ahn, V Merwade - Journal of Hydrology, 2014 - Elsevier
The objective of this study is to quantify the role of climate and human impacts on streamflow
conditions by using historical streamflow records, in conjunction with trend analysis and …

Impact of diverse configuration in multivariate bias correction methods on large-scale hydrological modelling under climate change

KH Ahn, VMN de Padua, J Kim, J Yi - Journal of Hydrology, 2023 - Elsevier
For climate change impact studies, bias correction methods are widely utilized to improve
climate model outputs by correcting the representation of climate variables. In addition to the …

Robotic assembly strategy via reinforcement learning based on force and visual information

KH Ahn, M Na, JB Song - Robotics and Autonomous Systems, 2023 - Elsevier
Since assembly tasks are frequently performed in a wide range of industries, there have
been many efforts to develop robotic assembly strategies. However, robotic assembly is only …

Regional flood frequency analysis using spatial proximity and basin characteristics: Quantile regression vs. parameter regression technique

KH Ahn, R Palmer - Journal of Hydrology, 2016 - Elsevier
Despite wide use of regression-based regional flood frequency analysis (RFFA) methods,
the majority are based on either ordinary least squares (OLS) or generalized least squares (…

Reinforcement learning based on movement primitives for contact tasks

YL Kim, KH Ahn, JB Song - Robotics and Computer-Integrated …, 2020 - Elsevier
Recently, robot learning through deep reinforcement learning has incorporated various robot
tasks through deep neural networks, without using specific control or recognition algorithms…

Improving medium-range streamflow forecasts over South Korea with a dual-encoder transformer model

DG Lee, KH Ahn - Journal of Environmental Management, 2024 - Elsevier
Accurate and reliable hydrological forecasts play a pivotal role in ensuring water security,
facilitating flood preparedness, and supporting agriculture activities. This study investigates the …

A stacking ensemble model for hydrological post-processing to improve streamflow forecasts at medium-range timescales over South Korea

DG Lee, KH Ahn - Journal of Hydrology, 2021 - Elsevier
This study presents the potential of hydrological ensemble forecasts over South Korea for
medium-range forecast lead times (1–7 days). To generate hydrological forecasts, this study …

Self-training approach to improve the predictability of data-driven rainfall-runoff model in hydrological data-sparse regions

S Yoon, KH Ahn - Journal of Hydrology, 2024 - Elsevier
Numerous data-driven models have been introduced to establish reliable predictions in the
rainfall-runoff relationship. The majority of these models are trained using a supervised …

Use of a nonstationary copula to predict future bivariate low flow frequency in the Connecticut river basin

KH Ahn, RN Palmer - Hydrological Processes, 2016 - Wiley Online Library
Frequency analysis of streamflow provides an essential ingredient in our understanding of
hydrologic events and provides needed guidance in the design and management of water …

A novel reactive-type joint torque sensor with high torsional stiffness for robot applications

JK Min, KH Ahn, HC Park, JB Song - Mechatronics, 2019 - Elsevier
If a collaborative robot can measure contact force when in contact with the environment or
humans, it can achieve better performance on collision detection, hand guiding, and force …