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Geological factors responsible for REY-rich mud in the western North Pacific Ocean: Implications from mineralogy and grain size distributions
REY-rich mud biogenic calcium phosphate phillipsite pelagic sediment grain size distribution
2017/4/10
Seven piston cores were collected from the seafloor ~250 km south of Minamitorishima Island in the western North
Pacific Ocean during the cruise KR13-02 of R/V Kairei; in some portions of cores PC04 ...
Dispersion of artificial caesium-134 and -137 in the western North Pacific one month after the Fukushima accident
Fukushima caesium western North Pacific zooplankton suspended solids
2017/4/11
In March 2011, an accident at the Fukushima Daiichi nuclear power plant (FNPP-AC) was caused by the Tohoku
earthquake and tsunami. Here we show the distribution of artificial caesium-134 and -137 (13...
Helium isotopes of seawater in the Philippine Sea and the western North Pacific
3He/4He ratios abyssal current Philippine Sea North Pacific seawater
2017/8/9
We measured helium isotopic ratios of 84 seawater samples from various depths collected in the western North Pacific Ocean and the western Philippine Sea. The 3He/4He ratios varied significantly from ...
Experiments linking nitrogenase gene expression to nitrogen fixation in the North Pacific subtropical gyre
Experiments linking nitrogenase gene expression nitrogen fixation North Pacific subtropical gyre
2014/4/22
We examined diazotroph activity in controlled experiments containing natural populations of nitrogen (N2)- fixing microbes collected offshore from Kane’ohe Bay, Hawai’i, and from Station ALO...
A Method for the Quantitative Estimation of Clay Minerals in North Pacific Deep-Sea Sediments
Clay Distribution Clay Quantification Deep-sea Pacific X-ray Methods
2012/2/9
The addition of a 10% talc internal standard to North Pacific sediments allows the relative abundances of clay minerals to be determined both accurately and precisely by X-ray powder diffractometry. L...