Sensitive Gas Chromatography Detection of Nanomolar Hydroxylamine in Environmental Water by Fe(III) Oxidation von HIKINO, Aiko, SUGAHARA, Shogo, KATO, Toshikuni, SENGA, Yukiko, EGAWA, Michiko, PARK, Ja Yeong, KAMIYA, Hiroshi, TANAKA, Hidekazu, SEIKE, Yasushi

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Detection of polymeric silicate in the pore water of freshwater lakes von Park, Ja Yeong, Sugiyama, Masahito, Sugahara, Shogo, Seike, Yasushi

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An estimation method for blue tide distribution in Tokyo Bay based on sulfur concentrations using Geostationary Ocean Color Imager (GOCI) von Higa, Hiroto, Sugahara, Shogo, Salem, Salem Ibrahim, Nakamura, Yoshiyuki, Suzuki, Takayuki

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Mechanism of silicate elution by hydrogen sulfide from bottom sediment in a brackish lake von Park, Ja Yeong, Sugahara, Shogo, Egawa, Michiko, Seike, Yasushi

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Colorimetric Determination of Sulfide in Microsamples von SUGAHARA, Shogo, SUZUKI, Mai, KAMIYA, Hiroshi, YAMAMURO, Masumi, SEMURA, Hitoshi, SENGA, Yukiko, EGAWA, Michiko, SEIKE, Yasushi

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Determination of Trace Hydrazine in Environmental Water Samples by in situ Solid Phase Extraction von KATO, Toshikuni, SUGAHARA, Shogo, KAJITANI, Takahiro, SENGA, Yukiko, EGAWA, Michiko, KAMIYA, Hiroshi, SEIKE, Yasushi

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Short-term variation in benthic phosphorus transfer due to discontinuous aeration/oxygenation operation von Inoue, Tetsunori, Sugahara, Shogo, Seike, Yasushi, Kamiya, Hiroshi, Nakamura, Yoshiyuki

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Sensitive Method for the Oxidation-determination of Trace Hydroxylamine in Environmental Water Using Hypochlorite Followed by Gas Chromatography von KATO, Toshikuni, SUGAHARA, Shogo, MURAKAMI, Makoto, SENGA, Yukiko, EGAWA, Michiko, KAMIYA, Hiroshi, OMATA, Kohji, SEIKE, Yasushi

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Evaluation of Unified Algorithms for Remote Sensing of Chlorophyll-a and Turbidity in Lake Shinji and Lake Nakaumi of Japan and the Vaal Dam Reservoir of South Africa under Eutroph... von Sakuno, Yuji, Yajima, Hiroshi, Yoshioka, Yumi, Sugahara, Shogo, Abd Elbasit, Mohamed, Adam, Elhadi, Chirima, Johannes

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Effect of reduction of bivalve catches on lake water COD in Lake Shinji von KAMIYA, Hiroshi, ESUMI, Toshiaki, KATO, Toshikuni, SEMURA, Hitoshi, SUGAHARA, Shogo, TABAYASHI, Yu, YAMAMURO, Masumi

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Influence of hypersaturated dissolved oxygenated water on the elution of hydrogen sulfide and methane from sediment in the dredged area in polyhaline Lake Nakaumi von Sugahara, Shogo, Kamiya, Hiroshi, Suyama, Yusuke, Senga, Yukiko, Ayukawa, Kazuhiro, Okumura, Minoru, Seike, Yasushi

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Exploration of the nitrification process in surface sediment of a hypereutrophic intertidal zone via hydroxylamine monitoring von Natori, Ami, Sanada, Yuuki, Sugahara, Shogo, Nohara, Seiichi, Seike, Yasushi, Senga, Yukiko

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Development of absorption spectrophotometry of iron(III) in environmental water and sediments using NEDA and its application to the field von Egawa, Michiko, Sugahara, Shogo, Miwa, Keiya, Park, Ja Yeong, Senga, Yukiko, Seike, Yasushi

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Impact of improved bottom hypoxia on zooplankton community in shallow eutrophic lake von Chang, Kwang-Hyeon, Imai, Hiroyuki, Ayukawa, Kazuhiro, Sugahara, Shogo, Nakano, Shin-ichi, Seike, Yasushi

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A new method for phosphate purification for oxygen isotope ratio analysis in freshwater and soil extracts using solid‐phase extraction with zirconium‐loaded resin von Ishida, Takuya, Kamiya, Hiroshi, Uehara, Yoshitoshi, Kato, Toshikuni, Sugahara, Shogo, Onodera, Shin‐ichi, Ban, Syuhei, Paytan, Adina, Tayasu, Ichiro, Okuda, Noboru

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OPERATIONAL VERIFICATION OF OXYGENATION DEVICE DUE TO ANAEROBIC LAYER IMPROVEMENT IN SALT-FRESH DOUBLE-LAYERED BRACKISH LAKE von SUGIHARA, Koki, SUGAHARA, Shogo, MASUKI, Shingo

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硫化ナトリウム溶液を用いる湖底堆積物中無機態リンの連続分画抽出/吸光光度定量法 von 江川, 美千子, 管原, 庄吾, 清家, 泰

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Sensitive Gas Chromatography Detection of Nanomolar Hydroxylamine in Environmental Water by Fe(III) Oxidation von HIKINO, Aiko, SUGAHARA, Shogo, KATO, Toshikuni, SENGA, Yukiko, EGAWA, Michiko, PARK, Ja Yeong, KAMIYA, Hiroshi, TANAKA, Hidekazu, SEIKE, Yasushi

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Geosmin-producing Species of Coelosphaerium (Synechococcales, Cyanobacteria) in Lake Shinji, Japan von Godo, T., Saki, Y., Nojiri, Y., Tsujitani, M., Sugahara, S., Hayashi, S., Kamiya, H., Ohtani, S., Seike, Y.

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Continuous Fractional Extraction Method Using Sodium Sulfide Solution for Spectrophotometric Determination of Inorganic Phosphorus in Lake Bottom Sediments von EGAWA, Michiko, SUGAHARA, Shogo, SEIKE, Yasushi

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