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  1. Content type: Research article

    Using 630 nm airglow data observed by an airglow imager on the International Space Station (ISS), the occurrence of equatorial plasma bubbles (EPBs) is studied. In order to examine the physical mechanisms in t...

    Authors: Hiroyuki Nakata, Akira Takahashi, Toshiaki Takano, Akinori Saito and Takeshi Sakanoi

    Citation: Progress in Earth and Planetary Science 2018 5:66

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  2. Content type: Research article

    Three-dimensional (3D) seismic data from the southern Kumano Basin of southwest Japan image a nested series of moderately sized mass transport deposits (MTDs) that slid from a slope along the seaward side of t...

    Authors: Jason Lackey, Gregory Moore and Michael Strasser

    Citation: Progress in Earth and Planetary Science 2018 5:65

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  3. Content type: Research article

    This study investigates the nature and mechanisms of the diurnal precipitation system over a coastal area of the Maritime Continent (MC) by utilizing the data from a field campaign, HARIMAU2010. During the 1-m...

    Authors: Masaki Katsumata, Shuichi Mori, Jun-Ichi Hamada, Miki Hattori, Fadli Syamsudin and Manabu D. Yamanaka

    Citation: Progress in Earth and Planetary Science 2018 5:64

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  4. Content type: Research article

    The Nankai subduction zone off the Kii Peninsula, Japan, has a large potential to generate megathrust earthquakes in the near future. To investigate the temporal variation of stress or strain in the Nankai sub...

    Authors: Tatsunori Ikeda and Takeshi Tsuji

    Citation: Progress in Earth and Planetary Science 2018 5:62

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  5. Content type: Research article

    Azerbaijan, located on the western edge of the Caspian Sea in Central Asia, has one of the highest populations of mud volcanoes in the world. We used satellite-based synthetic aperture radar (SAR) images deriv...

    Authors: Kento Iio and Masato Furuya

    Citation: Progress in Earth and Planetary Science 2018 5:61

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  6. Content type: Research article

    An unseasonal development of Equatorial Plasma Bubble (EPB)/Equatorial Spread-F (ESF) activity in a wide longitudinal sector over India and Southeast Asia during the post-sunset hours of 28 July 2014 has been ...

    Authors: K. K. Ajith, S. Tulasi Ram, B. A. Carter, S. Sathish Kumar, M. Yamamoto, T. Yokoyama, S. Gurubaran, S. Sripathi, K. Hozumi, K. Groves and R. G. Caton

    Citation: Progress in Earth and Planetary Science 2018 5:60

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  7. Content type: Research article

    We examined the temporal changes in the internal stresses and pore fluid pressures of a submarine mass transport deposit (MTD) in the Akkeshi Formation of the Upper Cretaceous–Paleocene Nemuro Group, eastern H...

    Authors: Makoto Otsubo, Hajime Naruse and Ayumu Miyakawa

    Citation: Progress in Earth and Planetary Science 2018 5:59

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  8. Content type: Research article

    To understand the ability of microbial life to inhabit a deep subseafloor coalbed sedimentary basin, the correlation between fluid transport properties and the abundance of microbial cells was investigated bas...

    Authors: Wataru Tanikawa, Osamu Tadai, Yuki Morono, Kai-Uwe Hinrichs and Fumio Inagaki

    Citation: Progress in Earth and Planetary Science 2018 5:58

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  9. Content type: Research article

    The total column ozone (TCO) amount varies with latitude, in part due to the difference in tropopause height between the tropics and midlatitudes. This dependency of TCO on latitude has been used to identify t...

    Authors: Sean M. Davis, Birgit Hassler and Karen H. Rosenlof

    Citation: Progress in Earth and Planetary Science 2018 5:56

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  10. Content type: Research article

    This study assessed historical changes in emissions of nitrous oxide (N2O), a potent greenhouse gas and stratospheric ozone-depleting substance, from the soils of East Asia to the atmosphere. A process-based terr...

    Authors: Akihiko Ito, Kazuya Nishina, Kentaro Ishijima, Shoji Hashimoto and Motoko Inatomi

    Citation: Progress in Earth and Planetary Science 2018 5:55

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  11. Content type: Research article

    Previous studies showed that the evolution of the Japan Sea paleoceanography since the Miocene has been influenced by the regional tectonism (e.g., opening/closing of the connecting seaways) and regional/globa...

    Authors: Kenji M. Matsuzaki, Takuya Itaki, Ryuji Tada and Shin-ichi Kamikuri

    Citation: Progress in Earth and Planetary Science 2018 5:54

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  12. Content type: Research article

    The burning of trees and grasses produces charred particles, such as charcoal and soot, that can be transported over long distances via winds and rivers to coastal, deltaic, and ocean environments, where they ...

    Authors: Song Lu, Tomohisa Irino and Yaeko Igarashi

    Citation: Progress in Earth and Planetary Science 2018 5:53

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  13. Content type: Research article

    Inelastic collisions occur among regolith particles, such as those in the ejecta curtain from a crater, and may cause clustering or agglomeration of particles and thus produce discrete patterns of ejecta depos...

    Authors: Yuuya Nagaashi, Tomomi Omura, Masato Kiuchi, Akiko M. Nakamura, Koji Wada and Sunao Hasegawa

    Citation: Progress in Earth and Planetary Science 2018 5:52

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    The Correction to this article has been published in Progress in Earth and Planetary Science 2018 5:71

  14. Content type: Research article

    Here, we investigate a possible scenario of surface seawater evolution in the numerical simulations of surface plate motion driven by mantle dynamics, including thermo-chemical convection and water migration, ...

    Authors: Takashi Nakagawa, Hikaru Iwamori, Ryunosuke Yanagi and Atsushi Nakao

    Citation: Progress in Earth and Planetary Science 2018 5:51

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  15. Content type: Research article

    Glacial recession in Alpine Valleys uncorks low-altitude tributary valleys that spill trapped sediments in the sediment cascade, in turn generating sediment-related hazards and flood hazards. Within this compl...

    Authors: Christopher Gomez and Heather Purdie

    Citation: Progress in Earth and Planetary Science 2018 5:50

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  16. Content type: Methodology

    To estimate strong ground motions caused by future earthquakes in Japan and to more accurately predict seismic hazards and tsunamis, it is necessary to accurately model the geometry of the subducting plate and...

    Authors: Yasuko Yamagishi, Ayako Nakanishi, Seiichi Miura, Shuichi Kodaira and Hide Sakaguchi

    Citation: Progress in Earth and Planetary Science 2018 5:49

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  17. Content type: Correction

    An error in computing the spectral level from time series data from UAV-borne sensors was discovered after this article (Kantha et al. 2017) was published.

    Authors: Lakshmi Kantha, Dale Lawrence, Hubert Luce, Hiroyuki Hashiguchi, Toshitaka Tsuda, Richard Wilson, Tyler Mixa and Masanori Yabuki

    Citation: Progress in Earth and Planetary Science 2018 5:48

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    The original article was published in Progress in Earth and Planetary Science 2017 4:19

  18. Content type: Research article

    This paper presents an overview of the HARIMAU2010 campaign focusing on convective activity with the diurnal rainfall meridional march (DRMM) over Jakarta, which is located on the northern coast of Jawa Island...

    Authors: Shuichi Mori, Jun-Ichi Hamada, Miki Hattori, Pei-Ming Wu, Masaki Katsumata, Nobuhiko Endo, Kimpei Ichiyanagi, Hiroyuki Hashiguchi, Ardhi A. Arbain, Reni Sulistyowati, Sopia Lestari, Fadli Syamsudin, Timbul Manik and Manabu D. Yamanaka

    Citation: Progress in Earth and Planetary Science 2018 5:47

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  19. Content type: Research article

    In this study, which was conducted to investigate present-day geological deformations occurring off the central Ryukyu Arc along the Ryukyu Trench (Okinawa-jima) in the vicinity of Japan, we obtained and exami...

    Authors: Kohsaku Arai, Takahiko Inoue and Tomoyuki Sato

    Citation: Progress in Earth and Planetary Science 2018 5:45

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  20. Content type: Research article

    This study investigates the impact of anthropogenic aerosols on the atmospheric hydrological cycle over the tropical Asian monsoon region (South Asian, Southeast Asian, and western North Pacific monsoons), usi...

    Authors: Hiroshi G. Takahashi, Shingo Watanabe, Makiko Nakata and Toshihiko Takemura

    Citation: Progress in Earth and Planetary Science 2018 5:44

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  21. Content type: Research article

    In 2014, a sediment trap mooring was deployed adjacent to station Kuroshio Extension Observatory (KEO)’s National Ocean and Atmosphere Administration (NOAA) surface mooring. These data, from July 2014 to July ...

    Authors: Makio C. Honda, Yoshikazu Sasai, Eko Siswanto, Akira Kuwano-Yoshida, Hidenori Aiki and Meghan F. Cronin

    Citation: Progress in Earth and Planetary Science 2018 5:42

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  22. Content type: Research article

    Four ancient tsunami deposits were identified in a trench excavated on Ishigaki Island, Okinawa, Japan. Three of the tsunami deposits (T-I, T-II, and T-IV) consist of calcareous sand beds, whereas the other (T...

    Authors: Akihisa Kitamura, Mami Ito, Ryoya Ikuta and Masayuki Ikeda

    Citation: Progress in Earth and Planetary Science 2018 5:41

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  23. Content type: Research article

    We analyze the hourly rainfall data of 30 rain gauges in Cambodia from 2010 to 2015 to focus on the diurnal pattern of rainfall and its regional characteristics, with the underlying mechanisms inferred from th...

    Authors: Kumiko Tsujimoto, Tetsu Ohta, Kentaro Aida, Katsunori Tamakawa and Monichoth So Im

    Citation: Progress in Earth and Planetary Science 2018 5:39

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  24. Content type: Research article

    We investigated ship navigation records known as Automatic Identification System (AIS) data near the source region of the 2011 Tohoku, Japan, tsunami. The AIS data of 16 ships in the offshore navigation could ...

    Authors: Daisuke Inazu, Tsuyoshi Ikeya, Takuji Waseda, Toshiyuki Hibiya and Yoshinori Shigihara

    Citation: Progress in Earth and Planetary Science 2018 5:38

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  25. Content type: Research article

    In summer 2002, abnormally high-temperature events and associated low soil moisture conditions were observed in Northeast Eurasia. In this study, two regional climate model experiments, one with and the other ...

    Authors: Enkhbat Erdenebat and Tomonori Sato

    Citation: Progress in Earth and Planetary Science 2018 5:37

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  26. Content type: Research article

    The drastic thickening of the barrier layer in the marginal sea off the western coast of Sumatra during the passage of the Madden-Julian oscillation (MJO) observed during December 2015 is investigated. Before ...

    Authors: Qoosaku Moteki, Masaki Katsumata, Kunio Yoneyama, Kentaro Ando and Takuya Hasegawa

    Citation: Progress in Earth and Planetary Science 2018 5:35

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  27. Content type: Review

    Claimed detections and nondetections of lightning and related electromagnetic emissions on Venus are qualitatively contradictory. Here, motivated by the commencement of observations by the Akatsuki spacecraft ...

    Authors: Ralph D. Lorenz

    Citation: Progress in Earth and Planetary Science 2018 5:34

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  28. Content type: Research article

    We conducted topographic measurements using unmanned aerial vehicles and by terrestrial laser scanning at inaccessible sea cliffs with an overhanging complex shape in eastern Japan. From the repeated measureme...

    Authors: Hiroyuki Obanawa and Yuichi S. Hayakawa

    Citation: Progress in Earth and Planetary Science 2018 5:33

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  29. Content type: Research article

    Occurrences of equatorial plasma bubbles (EPBs) and medium-scale traveling ionospheric disturbances (MSTIDs) were studied using GPS satellite data-based total electron content mapping, ionograms, and 630 nm al...

    Authors: Hisao Takahashi, Cristiano Max Wrasse, Cosme Alexandre Oliveira Barros Figueiredo, Diego Barros, Mangalathayil Ali Abdu, Yuichi Otsuka and Kazuo Shiokawa

    Citation: Progress in Earth and Planetary Science 2018 5:32

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  30. Content type: Research article

    A major goal in volcanology is to be able to constrain the physical properties of a volcanic system using surface observations. The behaviour of a volcanic system following an eruption can provide powerful con...

    Authors: Joanna Hamlyn, Tim Wright, Richard Walters, Carolina Pagli, Eugenio Sansosti, Francesco Casu, Susi Pepe, Marie Edmonds, Brendan McCormick Kilbride, Derek Keir, Jürgen Neuberg and Clive Oppenheimer

    Citation: Progress in Earth and Planetary Science 2018 5:31

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  31. Content type: Research article

    Megathrust earthquakes have occurred repeatedly at intervals of 100 to 150 years along the Nankai Trough, situated in the southwest of Japan. Given that it has been 70 years since the last event, the occurrenc...

    Authors: Masaru Nakano, Mamoru Hyodo, Ayako Nakanishi, Mikiya Yamashita, Takane Hori, Shin-ichiro Kamiya, Kensuke Suzuki, Takashi Tonegawa, Shuichi Kodaira, Narumi Takahashi and Yoshiyuki Kaneda

    Citation: Progress in Earth and Planetary Science 2018 5:30

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  32. Content type: Research article

    The ShUREX (Shigaraki UAV Radar Experiment) 2015 campaign carried out at the Shigaraki Middle and Upper atmosphere (MU) observatory (Japan) in June 2015 provided a unique opportunity to compare vertical profil...

    Authors: Hubert Luce, Lakshmi Kantha, Hiroyuki Hashiguchi, Dale Lawrence, Tyler Mixa, Masanori Yabuki and Toshitaka Tsuda

    Citation: Progress in Earth and Planetary Science 2018 5:29

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  33. Content type: Research article

    The hybrid dynamical-statistical downscaling approach is an effort to combine the ability of dynamical downscaling to resolve fine-scale climate changes with the low computational cost of statistical downscali...

    Authors: Quan Tran Anh and Kenji Taniguchi

    Citation: Progress in Earth and Planetary Science 2018 5:28

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  34. Content type: Research article

    This short paper presents the statistics of spread-F occurrence at four low-mid latitude locations (17.0° N, 21.2° N, 26.5° N and 36.5° N mag. lat.) in Japan longitude sector (~ 135° E) in March to April 2002,...

    Authors: N. Balan, T. Maruyama, A. K. Patra and V. L. Narayanan

    Citation: Progress in Earth and Planetary Science 2018 5:27

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  35. Content type: Research article

    The relationship between day-to-day variability of equatorial plasma bubbles (EPBs) and the neutral atmosphere is studied. This study is based on the previous study in which the GPS scintillation index and the...

    Authors: Mamoru Yamamoto, Yuichi Otsuka, Hidekatsu Jin and Yasunobu Miyoshi

    Citation: Progress in Earth and Planetary Science 2018 5:26

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  36. Content type: Paper with full data attached

    Establishment of sedimentary sequence is essential for the interpretation of the sedimentary records. Integrated Ocean Drilling Program (IODP) Expedition (Exp.) 346 drilled high-quality sediment archives with ...

    Authors: Tomohisa Irino, Ryuji Tada, Ken Ikehara, Takuya Sagawa, Akinori Karasuda, Shunsuke Kurokawa, Arisa Seki and Song Lu

    Citation: Progress in Earth and Planetary Science 2018 5:23

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  37. Content type: Review

    According to the so-called upwelling paradigm, development of equatorial plasma bubbles (EPBs) involves (1) appearance of an upwelling (i.e., local uplift with a zonal width of ~ 400 km) in the bottomside of t...

    Authors: Roland T. Tsunoda, Susumu Saito and Trang T. Nguyen

    Citation: Progress in Earth and Planetary Science 2018 5:22

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  38. Content type: Review

    During the Monsoon Asian Hydro−Atmosphere Scientific Research and Prediction Initiative (MAHASRI; 2006–16), we carried out two projects over the Indonesian maritime continent (IMC), constructing the Hydrometeo...

    Authors: Manabu D. Yamanaka, Shin-Ya Ogino, Pei-Ming Wu, Hamada Jun-Ichi, Shuichi Mori, Jun Matsumoto and Fadli Syamsudin

    Citation: Progress in Earth and Planetary Science 2018 5:21

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  39. Content type: Research article

    This study investigates the seasonal march patterns of rainfall in the Philippines from 1951 to 2012 and their long-term variability. In order to clarify the dominant patterns in the seasonal march of rainfall...

    Authors: Ikumi Akasaka, Hisayuki Kubota, Jun Matsumoto, Esperanza O. Cayanan, Rosalina G. de Guzman and Flaviana D. Hilario

    Citation: Progress in Earth and Planetary Science 2018 5:20

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  40. Content type: Paper with full data attached

    The Quaternary hemipelagic sediments of the Japan Sea are characterized by centimeter- to decimeter-scale alternation of dark and light clay to silty clay, which are bio-siliceous and/or bio-calcareous to a va...

    Authors: Ryuji Tada, Tomohisa Irino, Ken Ikehara, Akinori Karasuda, Saiko Sugisaki, Chuang Xuan, Takuya Sagawa, Takuya Itaki, Yoshimi Kubota, Song Lu, Arisa Seki, Richard W. Murray, Carlos Alvarez-Zarikian, William T. Anderson Jr, Maria-Angela Bassetti, Bobbi J. Brace…

    Citation: Progress in Earth and Planetary Science 2018 5:19

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  41. Content type: Research article

    Integrated Ocean Drilling Program Expedition 346 “Asian Monsoon” obtained sediment successions at seven sites in the Japan Sea (Sites U1422–U1427 and U1430) and at two closely located sites in the northern Eas...

    Authors: Takuya Sagawa, Yoshitaka Nagahashi, Yasufumi Satoguchi, Ann Holbourn, Takuya Itaki, Stephen J. Gallagher, Mariem Saavedra-Pellitero, Ken Ikehara, Tomohisa Irino and Ryuji Tada

    Citation: Progress in Earth and Planetary Science 2018 5:18

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  42. Content type: Research article

    In this study, we examined the nitrogen dynamics of a highly urbanized coastal area, focusing on the impacts of sewage-derived nitrogen. High levels of dissolved inorganic nitrogen were detected in seawater ne...

    Authors: Mitsuyo Saito, Shin-ichi Onodera, Guangzhe Jin, Yuta Shimizu and Masanobu Taniguchi

    Citation: Progress in Earth and Planetary Science 2018 5:17

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