Detecting the kuroshio axes south of Japan by using altimeter and drifter data. - Daisuke Ambe; Shiro Imawaki; Kaoru Ichikawa; Hiroshi Uchida (IGARSS, 2005)

Surface velocity monitoring by satellite altimetry and repeated ADCP observations. - Kaoru Ichikawa (IGARSS, 2005)

Effects of the Kuroshio on coastal sea level south of Japan. - Zhongzhe Zhang; Kaoru Ichikawa (IGARSS, 2005)

Effect of High-Frequency Sea Waves on Wave Period Retrieval from Radar Altimeter and Buoy Data. - Xi-Feng Wang; Kaoru Ichikawa (Remote. Sens., 2016)

Coastal Waveform Retracking for Jason-2 Altimeter Data Based on Along-Track Echograms around the Tsushima Islands in Japan. - Xi-Feng Wang; Kaoru Ichikawa (Remote. Sens., 2017)

Coastal Waveform Retracking in the Slick-Rich Sulawesi Sea of Indonesia, Based on Variable Footprint Size with Homogeneous Sea Surface Roughness. - Xifeng Wang; Kaoru Ichikawa; Dongni Wei (Remote. Sens., 2019)

Low-Cost GNSS-R Altimetry on a UAV for Water-Level Measurements at Arbitrary Times and Locations. - Kaoru Ichikawa; Takuji Ebinuma; Masanori Konda; Kei Yufu (Sensors, 2019)

Capability of Jason-2 Subwaveform Retrackers for Significant Wave Height in the Calm Semi-Enclosed Celebes Sea. - Kaoru Ichikawa; Xi-Feng Wang; Hitoshi Tamura (Remote. Sens., 2020)

Mean Seasonal Sea Surface Height Variations in and around the Makassar Strait. - Kaoru Ichikawa (Remote. Sens., 2023)

Sea Surface Height Measurements Using UAV Altimeters with Nadir LiDAR or Low-Cost GNSS Reflectometry. - Kaoru Ichikawa; Jyoushiro Noda; Ryosuke Sakemi; Kei Yufu; Akihiko Morimoto; Hidejiro Onishi; Tanuspong Pokavanich (Remote. Sens., 2024)