6. Geodesy

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  1. Full paper

    Comparison of shipborne GNSS-derived precipitable water vapor with radiosonde in the western North Pacific and in the seas adjacent to Japan

    We installed two global navigation satellite system (GNSS) antennas on a research vessel, the RYOFU MARU of the Japan Meteorological Agency, and conducted experimental observations to assess the GNSS-derived ...

    Yoshinori Shoji, Kazutoshi Sato, Masanori Yabuki and Toshitaka Tsuda

    Earth, Planets and Space 2017 69:153

    Published on: 3 November 2017

  2. Full paper

    Variation of Antarctic circumpolar current and its intensification in relation to the southern annular mode detected in the time-variable gravity signals by GRACE satellite

    The southern annular mode (SAM) in the atmosphere and the Antarctic circumpolar current (ACC) in the ocean play decisive roles in the climatic system of the mid- to high-latitude southern hemisphere. Using the...

    Jen-Ru Liau and Benjamin F. Chao

    Earth, Planets and Space 2017 69:93

    Published on: 6 July 2017

  3. Express Letter

    San-in shear zone in southwest Japan, revealed by GNSS observations

    A right-lateral shear zone in the San-in region, southwest Japan, has been proposed by previous geological and seismological studies. It locates 350 km north of the Nankai Trough, that is, the main plate bound...

    Takuya Nishimura and Youichiro Takada

    Earth, Planets and Space 2017 69:85

    Published on: 27 June 2017

  4. Letter

    Ground uplift related to permeability enhancement following the 2011 Tohoku earthquake in the Kanto Plain, Japan

    We investigated the post-seismic surface displacement of the 2011 Tohoku earthquake around the Kanto Plain (including the capital area of Japan), which is located approximately 400 km from the epicenter, using...

    Kazuya Ishitsuka, Toshifumi Matsuoka, Takuya Nishimura, Takeshi Tsuji and Tamer ElGharbawi

    Earth, Planets and Space 2017 69:81

    Published on: 19 June 2017

  5. Frontier letter

    Design and operation of a 1500-m laser strainmeter installed at an underground site in Kamioka, Japan

    A laser strainmeter with a 1500-m baseline was constructed at an underground site in Kamioka, Gifu Prefecture, Japan, and has been operating since August 2016. The laser interferometer measures the change in d...

    Akito Araya, Akiteru Takamori, Wataru Morii, Kouseki Miyo, Masatake Ohashi, Kazuhiro Hayama, Takashi Uchiyama, Shinji Miyoki and Yoshio Saito

    Earth, Planets and Space 2017 69:77

    Published on: 8 June 2017

  6. Frontier letter

    Importance of rheological heterogeneity for interpreting viscoelastic relaxation caused by the 2011 Tohoku-Oki earthquake

    This study develops a three-dimensional viscoelastic model using the finite element method to understand the postseismic deformation that followed the 2011 Tohoku-Oki earthquake. The question of understanding ...

    Hisashi Suito

    Earth, Planets and Space 2017 69:21

    Published on: 31 January 2017

    The Erratum to this article has been published in Earth, Planets and Space 2017 69:55

  7. Letter

    Spatial and temporal characteristics of optimum process noise values of tropospheric parameters for kinematic analysis of Global Navigation Satellite System (GNSS) sites in Japan

    Kinematic analysis of Global Navigation Satellite System (GNSS) data is useful for the extraction of crustal deformation phenomena occurring over short timescales ranging from seconds to 1 day, such as coseism...

    Yu’ichiro Hirata and Yusaku Ohta

    Earth, Planets and Space 2016 68:203

    Published on: 8 December 2016

  8. Letter

    Fault source model for the 2016 Kumamoto earthquake sequence based on ALOS-2/PALSAR-2 pixel-offset data: evidence for dynamic slip partitioning

    Series of earthquakes including three M w > 6 earthquakes occurred in Kumamoto prefecture in the middle of the Kyushu island, Japan. In order to reveal the associated crustal deformation s...

    Yuji Himematsu and Masato Furuya

    Earth, Planets and Space 2016 68:169

    Published on: 22 October 2016

    The Erratum to this article has been published in Earth, Planets and Space 2016 68:196

  9. Full paper

    Gravity anomalies and lithospheric flexure around the Longmen Shan deduced from combinations of in situ observations and EGM2008 data

    The current work describes the combined data of three field campaigns, spanning 2009–2013. Their joint gravity and GPS observations thoroughly cover the sites of lithospheric flexure between the Sichuan Basin ...

    Yawen She, Guangyu Fu, Zhuohua Wang, Tai Liu, Changyi Xu and Honglin Jin

    Earth, Planets and Space 2016 68:163

    Published on: 6 October 2016

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