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  1. In the East Asian monsoon area, stalagmites generally record lower and higher oxygen isotope (δ18O) levels during warm humid interglacial and cold dry glacial periods, respectively. Here, we report unusually low ...

    Authors: Shota Amekawa, Kenji Kashiwagi, Masako Hori, Tomomi Sone, Hirokazu Kato, Tomoyo Okumura, Tsai-Luen Yu, Chuan-Chou Shen and Akihiro Kano
    Citation: Progress in Earth and Planetary Science 2021 8:18
  2. Soil Water Index (SWI) represents the conceptual water stored in the soil and is calculated using a three-layer tank model with hourly precipitation. In Japan, landslide disasters are likely to occur when SWI ...

    Authors: Hiroshi Matsuyama, Hitoshi Saito and Valerii Zemtsov
    Citation: Progress in Earth and Planetary Science 2021 8:17
  3. Small water parcels, which are characterized by a low salinity and high dissolved oxygen (DO) are observed by Seaglider in the main thermocline (26.0–27.0 σθ) south of the Kuroshio Extension (KE), have horizontal...

    Authors: Shigeki Hosoda, Ryuichiro Inoue, Masami Nonaka, Hideharu Sasaki, Yoshikazu Sasai and Mizue Hirano
    Citation: Progress in Earth and Planetary Science 2021 8:16
  4. Examining the regularity in slip over seismic cycles leads to an understanding of earthquake recurrence and provides the basis for probabilistic seismic hazard assessment. Systematic analysis of three-dimensio...

    Authors: Naoya Takahashi and Shinji Toda
    Citation: Progress in Earth and Planetary Science 2021 8:15
  5. The Fukushima Daiichi Nuclear Power Plant (FDNPP) accident in March 2011 emitted a considerable amount of radioactive materials. This study isolated radiocesium-bearing microparticles (CsMPs), a form of radioa...

    Authors: Yoshinari Abe, Seika Onozaki, Izumi Nakai, Kouji Adachi, Yasuhito Igarashi, Yasuji Oura, Mitsuru Ebihara, Takafumi Miyasaka, Hisashi Nakamura, Keisuke Sueki, Haruo Tsuruta and Yuichi Moriguchi
    Citation: Progress in Earth and Planetary Science 2021 8:13
  6. Microplastic pollutes water, land, air, and groundwater environments not only visually but also ecologically for plants, animals, and humans. Microplastic has been reported to act as vectors by sorbing polluta...

    Authors: Tan Suet May Amelia, Wan Mohd Afiq Wan Mohd Khalik, Meng Chuan Ong, Yi Ta Shao, Hui-Juan Pan and Kesaven Bhubalan
    Citation: Progress in Earth and Planetary Science 2021 8:12
  7. Previous projections of the frequency of tropical cyclone genesis due to global warming, even in terms of sign of the change, depends on the chosen model simulation. Here, we systematically examine projected c...

    Authors: Yohei Yamada, Chihiro Kodama, Masaki Satoh, Masato Sugi, Malcolm J. Roberts, Ryo Mizuta, Akira T. Noda, Tomoe Nasuno, Masuo Nakano and Pier Luigi Vidale
    Citation: Progress in Earth and Planetary Science 2021 8:11
  8. The Chiba composite section (CbCS) in the Kokumoto Formation, Kazusa Group, central Japan is a thick and continuous marine succession that straddles the Lower–Middle Pleistocene boundary and the well-recognize...

    Authors: Kentaro Izumi, Yuki Haneda, Yusuke Suganuma, Makoto Okada, Yoshimi Kubota, Naohisa Nishida, Moto Kawamata and Takuya Matsuzaki
    Citation: Progress in Earth and Planetary Science 2021 8:10
  9. We attempt to develop a possible theory of chemical fractionations in chondrites, that is consistent with various features of chondritic components and current observation of protoplanetary disks (PPD). Combin...

    Authors: Akihiko Hashimoto and Yuki Nakano
    Citation: Progress in Earth and Planetary Science 2021 8:9
  10. In this study, we developed two high-resolution future ocean regional projection datasets for coastal applications in Japan, in which we made use of dynamical downscaling via regional ocean models with atmosph...

    Authors: Shiro Nishikawa, Tsuyoshi Wakamatsu, Hiroshi Ishizaki, Kei Sakamoto, Yusuke Tanaka, Hiroyuki Tsujino, Goro Yamanaka, Masafumi Kamachi and Yoichi Ishikawa
    Citation: Progress in Earth and Planetary Science 2021 8:7
  11. The application of soft computing (SC) models for predicting environmental variables is widely gaining popularity, because of their capability to describe complex non-linear processes. The sea surface temperat...

    Authors: Masoud Haghbin, Ahmad Sharafati, Davide Motta, Nadhir Al-Ansari and Mohamadreza Hosseinian Moghadam Noghani
    Citation: Progress in Earth and Planetary Science 2021 8:4
  12. This study aims to create a terrain classification of Japan that allows both geomorphological and geoengineering classifications coexist without large contradictions and to distinguish landform elements even i...

    Authors: Junko Iwahashi, Dai Yamazaki, Takayuki Nakano and Ryo Endo
    Citation: Progress in Earth and Planetary Science 2021 8:3

    The Correction to this article has been published in Progress in Earth and Planetary Science 2021 8:19

  13. The southwestern Ryukyu Trench represents the ultimate sink of sediments shed from Taiwan into the Philippine Sea, which are mainly transported to the trench by turbidity currents via submarine canyons. Here, ...

    Authors: Kan-Hsi Hsiung, Toshiya Kanamatsu, Ken Ikehara, Kazuko Usami, Chorng-Shern Horng, Naohiko Ohkouchi, Nanako O. Ogawa, Saneatsu Saito and Masafumi Murayama
    Citation: Progress in Earth and Planetary Science 2021 8:2
  14. In extreme event attribution, which aims to answer whether and to what extent a particular extreme weather event can be attributed to global warming, the probability of an event is generally estimated through ...

    Authors: Akira Hasegawa, Yukiko Imada, Hideo Shiogama, Masato Mori, Hiroaki Tatebe and Masahiro Watanabe
    Citation: Progress in Earth and Planetary Science 2020 7:78
  15. Ensembles of climate change projections created by general circulation models (GCMs) with high resolution are increasingly needed to develop adaptation strategies for regional climate change. The Meteorologica...

    Authors: Rui Ito, Tosiyuki Nakaegawa and Izuru Takayabu
    Citation: Progress in Earth and Planetary Science 2020 7:77
  16. Oceans on Earth are present as a result of dynamic equilibrium between degassing and regassing through the interaction with Earth’s interior. We review mineral physics, geophysical, and geochemical studies rel...

    Authors: Shun-ichiro Karato, Bijaya Karki and Jeffrey Park
    Citation: Progress in Earth and Planetary Science 2020 7:76

    The Correction to this article has been published in Progress in Earth and Planetary Science 2021 8:14

  17. The heavy rain event of July 2018 and Typhoon Hagibis in October 2019 caused severe flash flood disasters in numerous parts of western and eastern Japan. Flash floods need to be predicted over a wide range wit...

    Authors: Takahiro Sayama, Masafumi Yamada, Yoshito Sugawara and Dai Yamazaki
    Citation: Progress in Earth and Planetary Science 2020 7:75
  18. The transient climate response to cumulative carbon emissions (TCRE) is a key metric in estimating the remaining carbon budget for given temperature targets. However, the TCRE has a small scenario dependence t...

    Authors: Kaoru Tachiiri
    Citation: Progress in Earth and Planetary Science 2020 7:74
  19. Although importance of co-control of SLCPs together with the emission reduction of CO2 has attracted much attention for the mid-term climate change mitigation, the contribution to radiative forcing (RF) is rather...

    Authors: Hajime Akimoto, Tatsuya Nagashima, Hiroshi Tanimoto, Zbigniew Klimont and Markus Amann
    Citation: Progress in Earth and Planetary Science 2020 7:73
  20. An amendment to this paper has been published and can be accessed via the original article.

    Authors: Ayumu Miyakawa, Tomoya Abe, Tatsuya Sumita and Makoto Otsubo
    Citation: Progress in Earth and Planetary Science 2020 7:72

    The original article was published in Progress in Earth and Planetary Science 2020 7:63

  21. Due to high productivity, periodic submersion, and rapid sedimentation rate, mangroves are important carbon sinks in tropical-subtropical coastal zones. Mangrove expansion can significantly enhance burial carb...

    Authors: Tao Liu, Shengfa Liu, Bin Wu, Huipeng Xu and Hui Zhang
    Citation: Progress in Earth and Planetary Science 2020 7:71
  22. In order to determine whether truly pico-sized adult radiolarians exist, we compared spumellarian sequences from individual adult samples collected in the central Pacific, with filtered sea water samples of ju...

    Authors: Luyan Li and Kazuyoshi Endo
    Citation: Progress in Earth and Planetary Science 2020 7:70
  23. To date, the treatment of permafrost in global climate models has been simplified due to the prevailing uncertainties in the processes involving frozen ground. In this study, we improved the modeling of permaf...

    Authors: Tokuta Yokohata, Kazuyuki Saito, Kumiko Takata, Tomoko Nitta, Yusuke Satoh, Tomohiro Hajima, Tetsuo Sueyoshi and Go Iwahana
    Citation: Progress in Earth and Planetary Science 2020 7:69
  24. Accurate simulations of land processes are crucial for many purposes, such as climate simulation, weather, flood, and drought prediction, and climate change impact assessment studies. In this paper, we present...

    Authors: Tomoko Nitta, Takashi Arakawa, Misako Hatono, Akira Takeshima and Kei Yoshimura
    Citation: Progress in Earth and Planetary Science 2020 7:68
  25. In the present study, the relative importance of ocean heat uptake and heat redistribution on future sea level changes in the western North Pacific has been reconciled based on a set of climate model experimen...

    Authors: Tatsuo Suzuki and Hiroaki Tatebe
    Citation: Progress in Earth and Planetary Science 2020 7:67
  26. There are several reports of Australasian tektites found within a stratum called “laterite” layer widely distributed in Indochina. However, it has been debated whether these tektites are in situ or reworked. T...

    Authors: Toshihiro Tada, Ryuji Tada, Praphas Chansom, Wickanet Songtham, Paul A. Carling and Eiichi Tajika
    Citation: Progress in Earth and Planetary Science 2020 7:66
  27. An amendment to this paper has been published and can be accessed via the original article.

    Authors: Yuki Haneda, Makoto Okada, Yusuke Suganuma and Takahiro Kitamura
    Citation: Progress in Earth and Planetary Science 2020 7:65

    The original article was published in Progress in Earth and Planetary Science 2020 7:44

  28. The past 20 years of research using Earth system models (ESMs) is reviewed with an emphasis on results from the ESM based on MIROC (Model for Interdisciplinary Research on Climate) developed in Japan. Earth sy...

    Authors: Michio Kawamiya, Tomohiro Hajima, Kaoru Tachiiri, Shingo Watanabe and Tokuta Yokohata
    Citation: Progress in Earth and Planetary Science 2020 7:64
  29. The Mikawa Bay Region, central Japan, is characterized by many active faults recording Quaternary activities. It is, however, difficult to understand the overall tectonic character of the region due to a thick...

    Authors: Ayumu Miyakawa, Tomoya Abe, Tatsuya Sumita and Makoto Otsubo
    Citation: Progress in Earth and Planetary Science 2020 7:63

    The Correction to this article has been published in Progress in Earth and Planetary Science 2020 7:72

  30. Through two lab-scale experiments, we investigated the hydraulic and mechanical characteristics of sediment layers during water film formation, induced by elevated pore pressure—considered one of the triggers ...

    Authors: Shogo Kawakita, Daisuke Asahina, Takato Takemura, Hinako Hosono and Keiji Kitajima
    Citation: Progress in Earth and Planetary Science 2020 7:62
  31. Stratigraphic records of impact ejecta preserved in a pelagic deep-sea setting occur within Upper Triassic successions of the subduction-generated accretionary complexes of central Japan. A significant biotic ...

    Authors: Honami Sato, Yutaro Takaya, Kazutaka Yasukawa, Koichiro Fujinaga, Tetsuji Onoue and Yasuhiro Kato
    Citation: Progress in Earth and Planetary Science 2020 7:61
  32. Sediments from the semi-enclosed Japan Sea are sensitive to paleoclimatic perturbations and they offer great opportunities for many regional and global paleoceanographic and paleoclimatic studies. These studie...

    Authors: Chuang Xuan, Yuxi Jin, Saiko Sugisaki, Yasufumi Satoguchi and Yoshitaka Nagahashi
    Citation: Progress in Earth and Planetary Science 2020 7:60
  33. Sediment dynamics play an important role in various aspects of earth system modeling. In this study, we developed a global sediment dynamics model that considers suspended sediment and bedload at short timesca...

    Authors: Misako Hatono and Kei Yoshimura
    Citation: Progress in Earth and Planetary Science 2020 7:59
  34. In this review, I provide the current status and future prospects for the coupled core-mantle evolution and specifically summarize the constraints arising from geomagnetism and paleomagnetism on the long-term ...

    Authors: Takashi Nakagawa
    Citation: Progress in Earth and Planetary Science 2020 7:57
  35. The Yedoma layer, a permafrost layer containing a massive amount of underground ice in the Arctic regions, is reported to be rapidly thawing. In this study, we develop the Permafrost Degradation and Greenhouse...

    Authors: Tokuta Yokohata, Kazuyuki Saito, Akihiko Ito, Hiroshi Ohno, Katsumasa Tanaka, Tomohiro Hajima and Go Iwahana
    Citation: Progress in Earth and Planetary Science 2020 7:56
  36. Huge tsunami waves have repeatedly bombarded the southern end of the Ryukyu Islands (Miyako and Yaeyama Islands, southwestern Japan) at several-hundred-year intervals. Therefore, clarifying the islands’ paleot...

    Authors: Ryosuke Fujita, Kazuhisa Goto, Yasufumi Iryu and Tomoya Abe
    Citation: Progress in Earth and Planetary Science 2020 7:53
  37. Sub-bottom profiling (SBP) surveys and bathymetric mapping conducted off the shore of Miyako-jima, which belongs to the southern Ryukyus in the Ryukyu Island Arc, have revealed the presence of mound-shaped str...

    Authors: Takahiko Inoue and Kohsaku Arai
    Citation: Progress in Earth and Planetary Science 2020 7:52
  38. At 1:47 a.m. on September 21, 1999, the Mw 7.5 Chi-Chi earthquake struck Taiwan. The purpose of this study is to (1) apply multiple spatiotemporal-frequency analysis to filter the post-seismic change in groundwat...

    Authors: Chien-Lin Huang, Nien-Sheng Hsu, Chun-Hao Yao and Gene J.-Y. You
    Citation: Progress in Earth and Planetary Science 2020 7:51
  39. Stable nitrogen (15N/14N) and carbon (13C/12C) isotopic compositions of amino acids in organisms have widely been employed as a powerful tool to evaluate resource utilization and trophic connection among organism...

    Authors: Yuko Takizawa, Yoshinori Takano, Bohyung Choi, Prarthana S. Dharampal, Shawn A. Steffan, Nanako O. Ogawa, Naohiko Ohkouchi and Yoshito Chikaraishi
    Citation: Progress in Earth and Planetary Science 2020 7:50
  40. Rudists are a group of bizarrely shaped marine bivalves that lived in the Tethys Ocean from the Late Jurassic to the latest Cretaceous. They are morphologically variable, including snail-like, cup-like, and ho...

    Authors: Motoyoshi Yamanaka, Shin-ichi Sano, Hamad Bu Alrougha Al Zaabi, Hiroshi Fujioka and Yasufumi Iryu
    Citation: Progress in Earth and Planetary Science 2020 7:49
  41. An amendment to this paper has been published and can be accessed via the original article.

    Authors: Koji Kameo, Yoshimi Kubota, Yuki Haneda, Yusuke Suganuma and Makoto Okada
    Citation: Progress in Earth and Planetary Science 2020 7:48

    The original article was published in Progress in Earth and Planetary Science 2020 7:36