Search Results - "KUWAHARA, S"

Marine microplastics in the ASEAN region: A review of the current state of knowledge by Curren, Emily, Kuwahara, Victor S., Yoshida, Teruaki, Leong, Sandric Chee Yew

“…Microplastic pollution is a prevalent and serious problem in marine environments. These particles have a detrimental impact on marine ecosystems. They are…”
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THE TWO MOLECULAR CLOUDS IN RCW 38: EVIDENCE FOR THE FORMATION OF THE YOUNGEST SUPER STAR CLUSTER IN THE MILKY WAY TRIGGERED BY CLOUD-CLOUD COLLISION by Fukui, Y., Torii, K., Ohama, A., Hasegawa, K., Hattori, Y., Sano, H., Ohashi, S., Fujii, K., Kuwahara, S., Mizuno, N., Dawson, J. R., Yamamoto, H., Tachihara, K., Okuda, T., Onishi, T., Mizuno, A.

“…ABSTRACT We present distributions of two molecular clouds having velocities of 2 and 14 km s−1 toward RCW 38, the youngest super star cluster in the Milky Way,…”
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Development of photosynthetic carbon fixation model using multi-excitation wavelength fast repetition rate fluorometry in Lake Biwa by Kazama, Takehiro, Hayakawa, Kazuhide, Kuwahara, Victor S, Shimotori, Koichi, Imai, Akio, Komatsu, Kazuhiro

“…Direct measurements of gross primary productivity (GPP) in the water column are essential, but can be spatially and temporally restrictive. Fast repetition…”
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Primary production in the eastern tropical Pacific: A review by Pennington, J. Timothy, Mahoney, Kevin L., Kuwahara, Victor S., Kolber, Dorota D., Calienes, Ruth, Chavez, Francisco P.

“…The eastern tropical Pacific includes 28 million km super(2) of ocean between 23.5 degree N and S and Central/South America and 140 degree W, and contains the…”
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Topographically Distinguished Microbiome Taxonomy and Stress-Response Genes of Royal Belum Rainforest and Raja Muda Musa Peat Swamp Revealed through Metagenomic Inquisition by Ahmad, Mohd Fadzli, Abdullah, Hasdianty, Hassan, Muhammad Naim, Jamaludin, Muhammad Imran, Sivam, Ashvini, Komatsu, Kazuhiro, Sapian, Irni Suhayu, Alias, Halimah, Mat Isa, Mohd Noor, Kuwahara, Victor S, Yaacob, Nor Suhaila

“…Soil ecosystems are home to a diverse range of microorganisms, but they are only partially understood because no single-cell sequencing or whole-community…”
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Kinetics Growth and Recovery of Valuable Nutrients from Selangor Peat Swamp and Pristine Forest Soils Using Different Extraction Methods as Potential Microalgae Growth Enhancers by Yaacob, Nor Suhaila, Ahmad, Mohd Fadzli, Kawasaki, Nobuyuki, Maniyam, Maegala Nallapan, Abdullah, Hasdianty, Hashim, Emi Fazlina, Sjahrir, Fridelina, Wan Mohd Zamri, Wan Muhammad Ikram, Komatsu, Kazuhiro, Kuwahara, Victor S

“…Soil extracts are useful nutrients to enhance the growth of microalgae. Therefore, the present study attempts for the use of virgin soils from Peninsular…”
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Specific interaction between dyes and ions in dye-sensitized solar cells observed with temporal spectral shift of dyes by Hosokawa, R., Kuwahara, S., Katayama, K.

“…Long lasting interaction >10ms between ruthenium dyes and iodine redox species in dye-sensitized solar cells. [Display omitted] •Long-lived…”
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Detection of Water Hyacinth (Eichhornia crassipes) in Lake Tana, Ethiopia, Using Machine Learning Algorithms by Bayable, Getachew, Cai, Ji, Mekonnen, Mulatie, Legesse, Solomon Addisu, Ishikawa, Kanako, Imamura, Hiroki, Kuwahara, Victor S.

“…Lake Tana is Ethiopia’s largest lake and is infested with invasive water hyacinth (E. crassipes), which endangers the lake’s biodiversity and habitat. Using…”
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Estimating the Diurnal Cycle and Daily Insolation of Ultraviolet and Photosynthetically Active Radiation at the Sea Surface by Kuwahara, Victor S., Taguchi, Satoru

“…Accurate determination of the diurnal variability and daily insolation of surface (0+) and subsurface (0−) irradiance are essential to estimate several…”
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Assessment of Aqueous Extraction Methods on Extractable Organic Matter and Hydrophobic/Hydrophilic Fractions of Virgin Forest Soils by Wan Mohd Zamri, Wan Muhammad Ikram, Sjahrir, Fridelina, Yaacob, Nor Suhaila, Dzulkafli, Noor Fazreen, Ahmad, Mohd Fadzli, Abdullah, Hasdianty, Maniyam, Maegala Nallapan, Hashim, Emi Fazlina, Kawasaki, Nobuyuki, Komatsu, Kazuhiro, Kuwahara, Victor S

“…The assessment of water-extractable organic matter using an autoclave can provide useful information on physical, chemical, and biological changes within the…”
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Phytoplankton community response and succession in relation to typhoon passages in the coastal waters of Japan by TSUCHIYA, Kenji, KUWAHARA, Victor S, YOSHIKI, Tomoko, NAKAJIMA, Ryota, MIYAGUCHI, Hideo, KUMEKAWA, Norikazu, KIKUCHI, Tomohiko, TODA, Tatsuki

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Performance of JAXA’s SGLI standard ocean color products for oceanic to coastal waters: chlorophyll a concentration and light absorption coefficients of colored dissolved organic matter by Matsuoka, Atsushi, Campbell, Janet W., Hooker, Stanford B., Steinmetz, François, Ogata, Kazunori, Hirata, Takafumi, Higa, Hiroto, Kuwahara, Victor S., Isada, Tomonori, Suzuki, Koji, Hirawake, Toru, Ishizaka, Joji, Murakami, Hiroshi

“…We present the performance of JAXA’s SGLI standard algorithms for estimating chlorophyll a (chl a) concentration and the light absorption coefcients of colored…”
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Annual dynamics of eukaryotic and bacterial communities revealed by 18S and 16S rRNA metabarcoding in the coastal ecosystem of Sagami Bay, Japan by Sogawa, Sayaka, Tsuchiya, Kenji, Nagai, Satoshi, Shimode, Shinji, Kuwahara, Victor S.

“…Sagami Bay, Japan is influenced by both the warm Kuroshio Current and the cold Oyashio Current and rich nutrients are supplied from multiple river sources and…”
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Mesoscale Eddies Drive Increased Silica Export in the Subtropical Pacific Ocean by Benitez-Nelson, Claudia R, Bidigare, Robert R, Dickey, Tommy D, Landry, Michael R, Leonard, Carrie L, Brown, Susan L, Nencioli, Francesco, Rii, Yoshimi M, Maiti, Kanchan, Becker, Jamie W, Bibby, Thomas S, Black, Wil, Cai, Wei-Jun, Carlson, Craig A, Chen, Feizhou, Kuwahara, Victor S, Mahaffey, Claire, McAndrew, Patricia M, Quay, Paul D, Rappé, Michael S, Selph, Karen E, Simmons, Melinda P, Yang, Eun Jin

“…Mesoscale eddies may play a critical role in ocean biogeochemistry by increasing nutrient supply, primary production, and efficiency of the biological pump,…”
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Spectral fluorometric characterization of phytoplankton types in the tropical coastal waters of Singapore by Kuwahara, Victor S., Leong, Sandric Chee Yew

“…Developing rapid in situ optical detection techniques for discriminating the potential for harmful algal blooms is an ongoing goal for scientists around the…”
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The Effectiveness of Soil Extracts from Selangor Peat Swamp and Pristine Forest Soils on the Growth of Green Microalgae sp by Nor Suhaila Yaacob, Mohd Fadzli Ahmad, Ashvini Sivam, Emi Fazlina Hashim, Maegala Nallapan Maniyam, Fridelina Sjahrir, Noor Fazreen Dzulkafli, Wan Muhammad Ikram Wan Mohd Zamri, Kazuhiro Komatsu, Victor S. Kuwahara, Hasdianty Abdullah

“…Microalgae are widely utilized in commercial industries. The addition of a modified artificial medium (soil extract) could enhance their growth. Soil extract…”
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18-year variability of ultraviolet radiation penetration in the mid-latitude coastal waters of the western boundary Pacific by Kuwahara, Victor S., Nozaki, Sena, Nakano, Junji, Toda, Tatsuki, Kikuchi, Tomohiko, Taguchi, Satoru

“…The 18-year time-series shows in situ ultraviolet radiation (UVR) and photosynthetically active radiation (PAR) diffuse attenuation coefficient Kd(λ) have…”
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Chirp characteristics of 40-gb/s directly Modulated distributed-feedback laser diodes by Sato, K., Kuwahara, S., Miyamoto, Y.

“…For short-reach applications, 40-Gb/s directly modulated semiconductor lasers enable high-capacity transmission with a simple and low-cost configuration. We…”
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Typhoon-induced response of phytoplankton and bacteria in temperate coastal waters by Tsuchiya, Kenji, Kuwahara, Victor S., Hamasaki, Koji, Tada, Yuya, Ichikawa, Tadafumi, Yoshiki, Tomoko, Nakajima, Ryota, Imai, Akio, Shimode, Shinji, Toda, Tatsuki

“…After the passage of typhoon Malou in 2010, daily field samplings were conducted at both inshore (Sta. A) and offshore (Sta. M) stations in Sagami Bay, Japan,…”
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Malaysian Virgin Soil Extracts as Natural Growth Enhancer for Targeted Green Microalgae Species by Nallapan Maniyam, Maegala, Abdullah, Hasdianty, Ahmad, Mohd Fadzli, Hashim, Emi Fazlina, Sjahrir, Fridelina, Komatsu, Kazuhiro, Kuwahara, Victor S., Yaacob, Nor Suhaila

“…The microalgae-based industries are trending upwards, particularly as the feed ingredient for aquaculture. Therefore, a sustainable and reasonably priced…”
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