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  1. Research article

    Interplay of irreversible reactions and deformation: a case of hydrofracturing in the rodingite–serpentinite system

    The interplay of irreversible reactions and deformation during regional metamorphism was analyzed in the reaction zones between rodingite and serpentinite. Rodingites are leucocratic rocks found commonly in se...

    Tadao Nishiyama, Chisato Yoshida- Shiosaki, Yasushi Mori and Miki Shigeno

    Progress in Earth and Planetary Science 2017 4:1

    Published on: 16 January 2017

  2. Research article

    Estimation of seismic velocity changes at different depths associated with the 2014 Northern Nagano Prefecture earthquake, Japan (M W 6.2) by joint interferometric analysis of NIED Hi-net and KiK-net records

    To estimate the seismic velocity changes at different depths associated with a large earthquake, we apply passive image interferometry to two types of seismograms: KiK-net vertical pairs of earthquake records ...

    Kaoru Sawazaki, Tatsuhiko Saito, Tomotake Ueno and Katsuhiko Shiomi

    Progress in Earth and Planetary Science 2016 3:36

    Published on: 22 November 2016

  3. Research article

    Reactions between komatiite and CO2-rich seawater at 250 and 350 °C, 500 bars: implications for hydrogen generation in the Hadean seafloor hydrothermal system

    To understand the chemical nature of hydrothermal fluids in the komatiite-hosted seafloor hydrothermal system in the Hadean, we conducted two hydrothermal serpentinization experiments involving synthetic komat...

    Hisahiro Ueda, Takazo Shibuya, Yusuke Sawaki, Masafumi Saitoh, Ken Takai and Shigenori Maruyama

    Progress in Earth and Planetary Science 2016 3:35

    Published on: 18 November 2016

  4. Review

    A review of atmospheric chemistry observations at mountain sites

    Located far from anthropogenic emission sources, high-altitude mountain stations are considered to be ideal sites for monitoring climatic and environmentally important baseline changes in free tropospheric tra...

    Sachiko Okamoto and Hiroshi Tanimoto

    Progress in Earth and Planetary Science 2016 3:34

    Published on: 26 October 2016

  5. Research article

    Retrieval of radiative and microphysical properties of clouds from multispectral infrared measurements

    Satellite remote sensing of the macroscopic, microphysical, and optical properties of clouds are useful for studying spatial and temporal variations of clouds at various scales and constraining cloud physical ...

    Hironobu Iwabuchi, Masanori Saito, Yuka Tokoro, Nurfiena Sagita Putri and Miho Sekiguchi

    Progress in Earth and Planetary Science 2016 3:32

    Published on: 21 October 2016

  6. Research article

    Reconstruction of a 2D seismic wavefield by seismic gradiometry

    We reconstructed a 2D seismic wavefield and obtained its propagation properties by using the seismic gradiometry method together with dense observations of the Hi-net seismograph network in Japan. The seismic ...

    Takuto Maeda, Kiwamu Nishida, Ryota Takagi and Kazushige Obara

    Progress in Earth and Planetary Science 2016 3:31

    Published on: 10 October 2016

    The Erratum to this article has been published in Progress in Earth and Planetary Science 2016 3:37

  7. Research article

    Determination of temporal changes in seismic velocity caused by volcanic activity in and around Hakone volcano, central Japan, using ambient seismic noise records

    Autocorrelation functions (ACFs) for ambient seismic noise are considered to be useful tools for estimating temporal changes in the subsurface structure. Velocity changes at Hakone volcano in central Japan, wh...

    Yohei Yukutake, Tomotake Ueno and Kazuki Miyaoka

    Progress in Earth and Planetary Science 2016 3:29

    Published on: 27 September 2016

  8. Research article

    A record of the upper Olduvai geomagnetic polarity transition from a sediment core in southern Yokohama City, Pacific side of central Japan

    A detailed paleomagnetic record of the upper Olduvai polarity transition was obtained from a 106.72 m-long sediment core drilled in southern Yokohama City, located on the northern Miura Peninsula, on the Pacif...

    Chie Kusu, Makoto Okada, Atsushi Nozaki, Ryuichi Majima and Hideki Wada

    Progress in Earth and Planetary Science 2016 3:26

    Published on: 23 September 2016

  9. Research article

    Major element composition of an Early Enriched Reservoir: constraints from 142Nd/144Nd isotope systematics in the early Earth and high-pressure melting experiments of a primitive peridotite

    The Accessible Silicate Earth (ASE) has a higher 142Nd/144Nd ratio than most chondrites. Thus, if the Earth is assumed to have formed from these chondrites, a complement low-142Nd/144Nd reservoir is needed. Such ...

    Nozomi Kondo, Takashi Yoshino, Kyoko N. Matsukage and Tetsu Kogiso

    Progress in Earth and Planetary Science 2016 3:25

    Published on: 22 August 2016

  10. Review

    Extreme geomagnetically induced currents

    We propose an emergency alert framework for geomagnetically induced currents (GICs), based on the empirically extreme values and theoretical upper limits of the solar wind parameters and of dB/dt, the time deriva...

    Ryuho Kataoka and Chigomezyo Ngwira

    Progress in Earth and Planetary Science 2016 3:23

    Published on: 19 August 2016

  11. Review

    A review of progress towards understanding the transient global mean surface temperature response to radiative perturbation

    The correct understanding of the transient response to external radiative perturbation is important for the interpretation of observed climate change, the prediction of near-future climate change, and committe...

    Masakazu Yoshimori, Masahiro Watanabe, Hideo Shiogama, Akira Oka, Ayako Abe-Ouchi, Rumi Ohgaito and Youichi Kamae

    Progress in Earth and Planetary Science 2016 3:21

    Published on: 18 July 2016

  12. Research article

    Ultrahigh-pressure acoustic wave velocities of SiO2-Al2O3 glasses up to 200 GPa

    Extensive experimental studies on the structure and density of silicate glasses as laboratory analogs of natural silicate melts have attempted to address the nature of dense silicate melts that may be present ...

    Itaru Ohira, Motohiko Murakami, Shinji Kohara, Koji Ohara and Eiji Ohtani

    Progress in Earth and Planetary Science 2016 3:18

    Published on: 29 June 2016

  13. Research article

    Resolution dependence of deep convections in a global simulation from over 10-kilometer to sub-kilometer grid spacing

    The success of sub-kilometer global atmospheric simulation opens the door for resolving deep convections, which are fundamental elements of cloudy disturbances that drive global circulation. A previous study f...

    Yoshiyuki Kajikawa, Yoshiaki Miyamoto, Ryuji Yoshida, Tsuyoshi Yamaura, Hisashi Yashiro and Hirofumi Tomita

    Progress in Earth and Planetary Science 2016 3:16

    Published on: 6 June 2016

  14. Research article

    Unit cell determination of coexisting post-perovskite and H-phase in (Mg,Fe)SiO3 using multigrain XRD: compositional variation across a laser heating spot at 119 GPa

    Multigrain X-ray diffraction (XRD) can be used to accurately calculate the unit cell parameters of individual mineral phases in a mineral assemblage contained in a diamond anvil cell (DAC). Coexisting post-per...

    Li Zhang, Yue Meng and Ho-kwang Mao

    Progress in Earth and Planetary Science 2016 3:13

    Published on: 12 May 2016

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