Search Results - "GUPTA, Lallan"

Equivalent formation strength as a proxy tool for exploring for the location and distribution of gas hydrates by Hamada, Yohei, Hirose, Takehiro, Saito, Saneatsu, Moe, Kyaw, Wu, HungYu, Tanikawa, Wataru, Sanada, Yoshinori, Nakamura, Yasuyuki, Shimmoto, Yuichi, Sugihara, Takamitsu, Lin, Weiren, Abe, Natsue, Gupta, Lallan, Kinoshita, Masataka, Masaki, Yuka, Nomura, Shun, Yamada, Yasuhiro

“…Gas hydrate-bearing layers are normally identified by a seismic imaged bottom simulating reflectors (BSR) or by downhole log responses because of their high…”
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Downcore diagenetic changes in organic matter and implications for paleoproductivity estimates by Gupta, Lallan P., Kawahata, Hodaka

“…Particulate amino acid (AA) content of a 41.85 m long IMAGES core (MD01-2379), collected in 560 m water depth offshore from Northwest Australia, was analyzed…”
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Examination of gas hydrate-bearing deep ocean sediments by X-ray Computed Tomography and verification of physical property measurements of sediments by Gupta, Lallan P., Tanikawa, Wataru, Hamada, Yohei, Hirose, Takehiro, Ahagon, Naokazu, Sugihara, Takamitsu, Abe, Natsue, Nomura, Shun, Masaki, Yuka, Wu, Hung Y., Lin, Weiren, Kinoshita, Masataka, Yamada, Yasuhiro

“…Physical properties like porosity and density are important parameters for size estimations of fossil fuel reservoir in host sediments and rocks. X-ray CT…”
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Strength characteristics of sediments from a gas hydrate deposit in the Krishna–Godavari Basin on the eastern margin of India by Hirose, Takehiro, Tanikawa, Wataru, Hamada, Yohei, Lin, Weiren, Hatakeda, Kentaro, Tadai, Osamu, Wu, Hung Y., Nomura, Shun, Abe, Natsue, Gupta, Lallan P., Sugihara, Takamitsu, Masaki, Yuka, Kinoshita, Masataka, Yamada, Yasuhiro

“…Knowledge of the strength of sediments overlying sub-seafloor gas-hydrate deposits is crucial for predicting borehole and seafloor stability during hydrate…”
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Thermal stability of amino acids in seafloor sediment in aqueous solution at high temperature by Ito, Miho, Gupta, Lallan P., Masuda, Harue, Kawahata, Hodaka

“…As an essential component of living organisms amino acids (AAs) and their distributions are important for quantifying the extent of the biosphere. Calcareous…”
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Arsenic resistance and removal by marine and non-marine bacteria by Takeuchi, Mio, Kawahata, Hodaka, Gupta, Lallan Prasad, Kita, Noriko, Morishita, Yuichi, Ono, Yoshiro, Komai, Takeshi

“…Arsenic resistance and removal was evaluated in nine bacterial strains of marine and non-marine origins. Of the strains tested, Marinomonas communis exhibited…”
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Thermal stability of amino acids in siliceous ooze under alkaline hydrothermal conditions by Yamaoka, Kyoko, Kawahata, Hodaka, Gupta, Lallan P., Ito, Miho, Masuda, Harue

“…Hydrothermal systems have been suggested as being favourable environments for the origin and evolution of life on the primitive Earth. To test this hypothesis,…”
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Chemistry of fly ash and cyclone ash leachate from waste materials and effects of ash leachates on bacterial growth, nitrogen-transformation activity, and metal accumulation by Takeuchi, Mio, Kawahata, Hodaka, Gupta, Lallan P., Itouga, Misao, Sakakibara, Hitoshi, Ohta, Hidekazu, Komai, Takeshi, Ono, Yoshiro

“…The effects of waste ash leachates on soil microorganism were evaluated along with a chemical characterization of ash leachates. Thirty fly ash samples and…”
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Endolithic aspartic acid as a proxy of fluctuations in coral growth by Gupta, Lallan P., Suzuki, Atsushi, Kawahata, Hodaka

“…Coral skeleton has been widely studied for monitoring past fluctuations in marine environment. Although stable carbon isotope (δ13C) data appear to reflect…”
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Biogenic and abiogenic sedimentation in the northern East China Sea in response to sea-level change during the Late Pleistocene by Kawahata, Hodaka, Nohara, Masato, Aoki, Kaori, Minoshima, Kayo, Gupta, Lallan P.

“…In order to understand fluctuations in terrestrial and marine environments in response to sea-level change during the last 42 ky, we investigated sedimentation…”
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Aspartic acid concentrations in coral skeletons as recorders of past disturbances of metabolic rates by GUPTA, Lallan P, SUZUKI, Atsushi, KAWAHATA, Hodaka

“…The composition of total hydrolysable amino acids (THAAs) in a skeleton of the coral Porites australiensis, collected from Ishigaki Island, Japan, was examined…”
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Thermal stability of amino acids in biogenic sediments and aqueous solutions at seafloor hydrothermal temperatures by ITO, MIHO, YAMAOKA, KYOKO, MASUDA, HARUE, KAWAHATA, HODAKA, GUPTA, LALLAN P.

“…Siliceous ooze was reacted with NaCl solution at temperatures of 100-250°C to evaluate the effect of the mineralogical and chemical properties of host…”
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ENSO related variations in biogeochemistry of AA and HA in settling particles along the equatorial Pacific Ocean by Gupta, Lallan P, Kawahata, Hodaka

“…Four year-long time-series sediment trap experiments were conducted along the equatorial Pacific Ocean in order to understand the biogeochemistry of…”
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Kochi Core Center Provides New Information Services by GUPTA, Lallan, HISAMITSU, Toshio, MASUI, Noriaki

“…During the last four decades of scientific drilling of seafloor all over the world, an enormous amount (~360,000 m)of marine cores has been collected. These…”
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Characterization of Water-Extractable Amino Acids in the Sub-Surface of Semi-Permafrost Environments by Takano, Yoshinori, Gupta, Lallan P, Kawahata, Hodaka, Kobayashi, Kensei, Marumo, Katsumi

“…Terrestrial core samples of semi-permafrost sediment were analyzed for total free amino acids (TFAA). The TFAA content ranged from 12.0 to 460.2 nmol/g of…”
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New Focus on the Tales of the Earth-Legacy Cores Redistribution Project Completed by FIRTH, John, GUPTA, Lallan, RÖHL, Ursula

“…Scientific drilling for marine cores began in 1968 under the auspices of the Deep Sea Drilling Project (DSDP), whose initial discoveries included salt domes on…”
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In Situ Ore Formation Experiment: Amino Acids and Amino Sugars Trapped in Artificial Chimneys on Deep-Sea Hydrothermal Systems at Suiyo Seamount, Izu-Bonin Arc, Pacific Ocean by Takano, Yoshinori, Marumo, Katsumi, Ebashi, Toshiomi, Gupta, Lallan P, Kawahata, Hodaka, Kobayashi, Kensei, Yamagishi, Akihiko, Kuwabara, Tomohiko

“…The present study reports on the bio-organic composition of a deep-sea venting hydrothermal system originating from arc volcanism; the origin of the…”
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Glucosamine and Galactosamine in Terrestrial Organic Matter and Their Correlation with Other Biochemical Indicators by Takano, Yoshinori, Gupta, Lallan P, Kawahata, Hodaka, Marumo, Katsumi, Ishikawa, Yoji, Kobayashi, Kensei

“…Core samples of sediments at depths of 0–300 cm at Rikubetsu, Hokkaido, Japan were analyzed for hexosamine (HA) of glucosamine (Gluam) and galactosamine…”
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Comparison of settling particles and sediments at IMAGES coring site in the northwestern North Pacific — Effect of resuspended particles on paleorecords by Kawahata, Hodaka, Minoshima, Kayo, Ishizaki, Yui, Yamaoka, Kyoko, Gupta, Lallan P., Nagao, Masayuki, Kuroyanagi, Azumi

“…In order to understand settling process of particles in high sedimentation area, one mooring of sediment trap was deployed right above the IMAGES coring site…”
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Distribution of C, N and P in the sediments of the Ganges–Brahmaputra–Meghna river system in the Bengal basin by Datta, Dilip K, Gupta, Lallan P, Subramanian, V

“…The Bengal basin is one of the geologically youngest and tectonically active drainage regimes of the world which includes the total Lower…”
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