Keiko Yamada

Current Trend of EV (Electric Vehicle) Waste Battery Diagnosis and Dismantling Technologies and a Suggestion for Future R&D Strategy with Environmental Friendliness

Chaeeun Byun, Ji‐Hyun Seo, Min kyoung Lee, Keiko Yamada et autres

Owing to the increasing demand for electric vehicles (EVs), appropriate management of their waste batteries is required urgently for scrapped vehicles or for addressing battery aging.With respect to technological developments, data-driven diagnosis of waste EV batteries and management technologies have drawn increasing …

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Phytoplankton and Primary Production in the Japan Sea

Joji Ishizaka, Keiko Yamada

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Results of Satellite Tag Monitoring and a Preliminary Study of the Influence of Sea Surface Temperature on a Rehabilitated Finless Porpoise Neophocaena asiaeorientalis in Korea

Kyum Joon Park, Keiko Yamada, Hawsun Sohn

Response of Water Temperature in Korean Waters Caused by the Passage of Typhoons

Sang‐Woo Kim, Jin-Wook Lim, Yoon Lee, Keiko Yamada

A Study on the Environmental Education Experience and Environmental Perceptions of Citizens in Daegu

Keiko Yamada

This study, through the survey of citizens of Daegu in regard to the environment education experience and citizens perception, seeks to identify the order of importance and perception on the severity of environment. The survey has found that 36.4% citizens of Daegu …

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安定同位体による新食物網解析法

Hiroya Sugisaki, Masashi Kodama, Tadafumi Ichikawa, Keiko Yamada et autres

Though the isotope analysis method for marine and fishery science is spreading recently, there are serious obstacles for the analysis of food chain structures due to the difficulty of measuring the stable isotope ratio of the primary producer. In this paper, a …

Empirical ocean-color algorithms to retrieve chlorophyll-a, total suspended matter, and colored dissolved organic matter absorption coefficient in the Yellow and East China Seas

Eko Siswanto, Junwu Tang, Hisashi Yamaguchi, Yu-Hwan Ahn et autres

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Chemical Characteristics of Fog Water at Mt. Tateyama, Near the Coast of the Japan Sea in Central Japan

Koichi Watanabe, Hideharu Honoki, Ayumi Iwai, Atsushi Tomatsu et autres

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Characteristics of Ocean Environment Before and After Coastal Upwelling in the Southeastern Part of Korean Peninsula Using an In-situ and Multi-Satellite Data

Sang‐Woo Kim, Woo-Jin Go, Seong-Soo Kim, Hee-Dong Jeong et autres

The objective of this paper is to explore the short-term variability of water temperature and chlorophyll a (Chl-a) derived from in-situ and satellite data (NOAA, Sea WiFS and QuikScat) in the upwelling region of the southeastern part of Korean Peninsula in June …

Short-term Variation of Sea Surface Temperature Caused by Typhoon Nabi in the Eastern Sea of Korean Peninsula Derived from Satellite Data

Sang-Woo Kim, Keiko Yamada, Lee-Hyun Jang, Chul-hoon Hong et autres

A remarkable sea surface cooling (SSC) event was observed in the eastern sea of Korean peninsula based on new generation sea surface temperature (NGSST) satellite images in September 2005, when typhoon Nabi passed over the East Sea. The degree of SSC ranged …

Estimation of interdecadal change of spring bloom timing, in the case of the Japan Sea

Keiko Yamada, Joji Ishizaka

A new method to estimate past chlorophyll a variation from available satellite, ship and buoy data is proposed. Satellite chlorophyll a variations during spring from 1998 to 2003 in the Japan Sea were described well by a Gaussian curve, and the parameters …

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Spatial and Temporal Variability of Satellite Primary Production in the Japan Sea from 1998 to 2002

Keiko Yamada, Joji Ishizaka, Hiroshi Nagata

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