Articles
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Citation: Progress in Earth and Planetary Science 2023 10:15
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Correction: Climate-relevant properties of black carbon aerosols revealed by in situ measurements: a review
Citation: Progress in Earth and Planetary Science 2023 10:14 -
A simple method for taxon-specific purification of diatom frustules from ocean sediments using a cell sorter
It is necessary to purify diatom frustules by taxon to perform accurate geochemical analyses of diatom fossils preserved in sediments. However, the small size of diatoms has hitherto prevented taxon-specific p...
Citation: Progress in Earth and Planetary Science 2023 10:13 -
Climate-relevant properties of black carbon aerosols revealed by in situ measurements: a review
Light-absorbing aerosols affect atmospheric radiation, dynamics, and precipitations through shortwave absorption in the atmosphere and snowpack. Black carbon (BC) is considered the most significant contributor...
Citation: Progress in Earth and Planetary Science 2023 10:12 -
Fault geometry of M6-class normal-faulting earthquakes in the outer trench slope of Japan Trench from ocean bottom seismograph observations
Since the 2011 Mw 9.0 Tohoku-oki earthquake, intra-plate normal-faulting earthquakes, including several M7-class earthquakes, have occurred in the outer trench slope area from the trench to the outer rise alon...
Citation: Progress in Earth and Planetary Science 2023 10:11 -
Near-real-time estimation of fossil fuel CO2 emissions from China based on atmospheric observations on Hateruma and Yonaguni Islands, Japan
We developed a near-real-time estimation method for temporal changes in fossil fuel CO2 (FFCO2) emissions from China for 3 months [January, February, March (JFM)] based on atmospheric CO2 and CH4 observations on ...
Citation: Progress in Earth and Planetary Science 2023 10:10 -
Heterogeneous rheology of Japan subduction zone revealed by postseismic deformation of the 2011 Tohoku-oki earthquake
The 2011 Tohoku-oki earthquake produced the most well-recorded postseismic deformation of any megathrust earthquake in the world. Over the last decade, researchers have used a dense and widespread geodetic n...
Citation: Progress in Earth and Planetary Science 2023 10:9 -
How large peak ground acceleration by large earthquakes could generate turbidity currents along the slope of northern Japan Trench
Deep-sea turbidite has been used to determine the history of occurrence of large earthquakes. Surface-sediment remobilization is a mechanism of the generation of earthquake-induced turbidity currents. However,...
Citation: Progress in Earth and Planetary Science 2023 10:8 -
Historical regional climate changes in Japan in winter as assessed by a 5-km regional climate model with a land surface process
We investigate historical regional climate changes in Japan from 1959 to 2020, analyzing a high-resolution dynamical downscaling forced by the Japanese 55-year Reanalysis (JRA-55). One-year continuous simulati...
Citation: Progress in Earth and Planetary Science 2023 10:7 -
Synoptic meteorological conditions of gamma-ray glows in winter thunderstorms
The Gamma-ray Observation of Winter Thunderclouds collaboration has detected 70 gamma-ray glows, a high-energy phenomenon associated with thunderstorms, from October 2016 to March 2020 in Kanazawa and Komatsu,...
Citation: Progress in Earth and Planetary Science 2023 10:6 -
Ensemble rainfall–runoff and inundation simulations using 100 and 1000 member rainfalls by 4D LETKF on the Kumagawa River flooding 2020
This paper presents the 1000 ensemble flood simulations using ensemble rainfalls simulated by 4D LETKF. The number of ensemble rainfall members is large as 1000 compared to the operational rainfall products of...
Citation: Progress in Earth and Planetary Science 2023 10:5 -
Uplift rate of Kitadaito Jima Island on the lithospheric forebulge of the Philippine Sea Plate
Estimates of uplift rates for lithospheric forebulges are needed to understand exact plate motions at plate convergence zones and to delineate the fate of coral reefs atop the forebulges. A carbonate island on...
Citation: Progress in Earth and Planetary Science 2023 10:4 -
Significance of the high-pressure properties and structural evolution of gas hydrates for inferring the interior of icy bodies
Hydrogen, methane, and water ice are among the most abundant materials in the universe. Based on experimental, theoretical, and spacecraft data, gas hydrates consisting of gas and water ice have been predicted...
Citation: Progress in Earth and Planetary Science 2023 10:3 -
Single station bias calculation using data from calibrated GNSS station for various baseline distances
Precise ionospheric TEC can be derived from dual-frequency GNSS carrier phase leveled pseudorange measurements. However, differential code biases (DCB) of satellite and receiver are the main errors that cannot...
Citation: Progress in Earth and Planetary Science 2023 10:2 -
A review on slow earthquakes in the Japan Trench
Slow earthquakes are episodic slow fault slips. They form a fundamental component of interplate deformation processes, along with fast, regular earthquakes. Recent seismological and geodetic observations have ...
Citation: Progress in Earth and Planetary Science 2023 10:1 -
Assessment of S-net seafloor pressure data quality in view of seafloor geodesy
Long-term continuous observation of seafloor pressure is effective for detecting seafloor vertical deformations that are associated with transient tectonic phenomena such as slow slip events. Since the aseismi...
Citation: Progress in Earth and Planetary Science 2022 9:73 -
Numerical estimation of a tsunami source at the flexural area of Kuril and Japan Trenches in the fifteenth to seventeenth century based on paleotsunami deposit distributions in northern Japan
Paleotsunami deposit investigations and numerical tsunami computations have been performed to elucidate the source and size of large tsunamis along the Kuril to Japan Trenches, particularly for unusual tsunami...
Citation: Progress in Earth and Planetary Science 2022 9:72 -
Petrogenetic history and melt inclusion characteristics of mantle plume-derived ijolites from NE India: implications for multistage crystallization and occurrence of “nano-calciocarbonatites”
The Sung Valley ultramafic–alkaline–carbonatite complex (UACC) of Meghalaya, NE, India, is a result of magmatic activity related to the Kerguelen mantle plume spanning from 101 to 115 Ma. In the present study,...
Citation: Progress in Earth and Planetary Science 2022 9:71 -
Simulated decadal variations of surface and subsurface phytoplankton in the upstream Kuroshio Extension region
Using outputs from an ecosystem model embedded in an eddy-resolving ocean general circulation model that can realistically simulate decadal modulations of the Kuroshio Extension (KE) between stable and unstabl...
Citation: Progress in Earth and Planetary Science 2022 9:70 -
Washover deposits related to tsunami and storm surge along the north coast of the Shimokita Peninsula in northern Japan
A decade after the 2011 Tohoku-oki earthquake (Mw 9.0), geological surveys were conducted at multiple sites along the Pacific Coast of the tsunami-inundated Tohoku region in Japan, providing thousands of years...
Citation: Progress in Earth and Planetary Science 2022 9:69 -
Forecasting tectonic tremor activity using a renewal process model
In many tectonically active regions of the world, a variety of slow deformation phenomena have been discovered and collectively termed slow earthquakes. Tectonic tremor is the high-frequency component of slow ...
Citation: Progress in Earth and Planetary Science 2022 9:67 -
Tectonic tremors immediately after the 2011 Tohoku-Oki earthquake detected by near-trench seafloor seismic observations
Temporal seismic observations from pop-up type ocean-bottom seismometers were used to detect tectonic tremors immediately following the 2011 Tohoku-Oki earthquake in the northern periphery of the aftershock ar...
Citation: Progress in Earth and Planetary Science 2022 9:66 -
A new mechanical perspective on a shallow megathrust near-trench slip from the high-resolution fault model of the 2011 Tohoku-Oki earthquake
The 2011 Tohoku-Oki earthquake generated a surprisingly large near-trench slip, and earth scientists have devoted significant attention to understanding why. Some studies proposed special rupture mechanisms, s...
Citation: Progress in Earth and Planetary Science 2022 9:68 -
To what extent tsunami source information can be extracted from tsunami deposits? Implications from the 2011 Tohoku-oki tsunami deposits and sediment transport simulations
A quantitative understanding of paleotsunamis is a significant issue in tsunami sedimentology. Onshore tsunami deposits, which are geological records of tsunami inundation, are used to reconstruct paleotsunami...
Citation: Progress in Earth and Planetary Science 2022 9:65 -
Preface for article collection “Thermal, dynamical, and chemical processes in our early Solar System”
Citation: Progress in Earth and Planetary Science 2022 9:64 -
The role of hydrogen bonds in hydrous minerals stable at lower mantle pressure conditions
Over the past few decades, hydrous minerals were thought to be absent in the lower mantle, due to their instability at high-pressure conditions. Recently, however, hydrous phases including phase H (MgSiO
Citation: Progress in Earth and Planetary Science 2022 9:63 -
Liquid and supercritical CO2 as an organic solvent in Hadean seafloor hydrothermal systems: implications for prebiotic chemical evolution
Prebiotic chemical evolution and the emergence of life in the seafloor hydrothermal systems of Hadean Earth is among the most plausible and popular hypotheses for the origin of earthly life. In contrast, many ...
Citation: Progress in Earth and Planetary Science 2022 9:60 -
Lithological structure of western Pacific lithosphere reconstructed from mantle xenoliths in a petit-spot volcano
The lithospheric mantle, formed at the mid-ocean ridge as a residue of crustal production, comprises theoretically depleted peridotite, but more fertile components (e.g., lherzolite and pyroxenite) have been r...
Citation: Progress in Earth and Planetary Science 2022 9:62 -
Quantitative evaluation of mixed biomass burning and anthropogenic aerosols over the Indochina Peninsula using MERRA-2 reanalysis products validated by sky radiometer and MAX-DOAS observations
In this study, we conducted the quantitative evaluation of aerosol optical properties in the Indochina Peninsula (ICP), which is significantly affected yearly by both biomass burning (BB) and anthropogenic aer...
Citation: Progress in Earth and Planetary Science 2022 9:61 -
Sr isotopic ratios of hydrothermal fluids from the Okinawa Trough and the implications of variation in fluid–sediment interactions
Sr isotope ratios of hydrothermal fluids were observed at five sediment-associated sites in the Okinawa Trough to investigate the diversity of subseafloor fluid–rock–sediment interactions. The estimated 87Sr/86Sr...
Citation: Progress in Earth and Planetary Science 2022 9:59 -
Metal contamination in a sediment core from Osaka Bay during the last 400 years
Osaka Bay adjacent to the Kyoto–Osaka–Kobe metropolitan area was affected by severe metal pollution during the twentieth century; yet little is known about the trace metal sources and pre-industrial human acti...
Citation: Progress in Earth and Planetary Science 2022 9:58 -
Spatiotemporal vertical velocity variation in the western tropical Pacific and its relation to decadal ocean variability
Prior to the cold phase of the Pacific decadal oscillation (PDO), sea surface water in the western tropical North Pacific is heated. To evaluate the impact of the subsurface water on the upper-ocean (
Citation: Progress in Earth and Planetary Science 2022 9:57 -
Deep-sea bottom-water environment change caused by sediment resuspension on the continental slope off Sanriku, Japan, before and after the 2011 Tohoku Earthquake
The 2011 off the Pacific coast of Tohoku Earthquake occurred off southern Sanriku, Japan, on March 11 and generated strong shaking and huge tsunami along the entire eastern coast of Tohoku. The mainshock and n...
Citation: Progress in Earth and Planetary Science 2022 9:56 -
Continuous estimation of coseismic and early postseismic slip phenomena via the GNSS carrier phase to fault slip approach: a case study of the 2011 Tohoku-Oki sequence
The transition process from coseismic to early postseismic phenomena within a half-day remains a significant topic for understanding the slip budget and friction properties of the fault. However, the investiga...
Citation: Progress in Earth and Planetary Science 2022 9:55 -
Fluids and physicochemical properties and processes in the Earth
The Earth's fluid budget is dominated by species in the system C–O–H–N–S together with halogens such as F and Cl. H2O is by far the most abundant. Such fluids are one of the two main mass transport agents (fluid ...
Citation: Progress in Earth and Planetary Science 2022 9:54 -
Subinertial frequency variations in the axis of the Tsugaru Warm Current east of the Tsugaru Strait
The eastern part of the Tsugaru Strait (located at ~ 41.5° N) is a remarkable region of the coastal flow system around Japan due to the Tsugaru Warm Current (TgWC), an intensive eastward current that flows ove...
Citation: Progress in Earth and Planetary Science 2022 9:53 -
Prediction of soil erosion and sediment transport in a mountainous basin of Taiwan
Soil erosion substantially implicates global nutrient and carbon cycling of the land surface. Its monitoring is crucial for assessing and managing global land productivity and socio-economy. The Zhuoshui River...
Citation: Progress in Earth and Planetary Science 2022 9:52 -
Evaluation of cloud and precipitation processes in regional and global models with ULTIMATE (ULTra-sIte for Measuring Atmosphere of Tokyo metropolitan Environment): a case study using the dual-polarization Doppler weather radars
We describe a collaborative analysis study involving numerical models and observation data for the Tokyo metropolitan area called the ULTra-sIte for Measuring Atmosphere of Tokyo Metropolitan Environment (ULTI...
Citation: Progress in Earth and Planetary Science 2022 9:51 -
DigitSeis: software to extract time series from analogue seismograms
A vast amount of analogue seismograms recorded between the end of the nineteenth century and late twentieth century are often inaccessible for seismological research since they are not available as digital tim...
Citation: Progress in Earth and Planetary Science 2022 9:50 -
The pteropod species Heliconoides inflatus as an archive of late Pleistocene to Holocene environmental conditions on the Northwest Shelf of Australia
There is growing interest in the use of pteropods as potential archives of past changes in ocean chemistry. However, pteropods have rarely been used in studies of millennial-scale sedimentary records, especial...
Citation: Progress in Earth and Planetary Science 2022 9:49 -
Exploration of spatial and temporal variability of rainfall and their impact on rice production in Burma in 1901–1939 during the colonial period
Climate is one of the main factors for rice crop growth. Understanding the relationship between climate variability and rice production during the period from 1901 to 1939 in Burma can give a clear picture of ...
Citation: Progress in Earth and Planetary Science 2022 9:48 -
Precision and convergence speed of the ensemble Kalman filter-based parameter estimation: setting parameter uncertainty for reliable and efficient estimation
Determining physical process parameters in atmospheric models is critical to obtaining accurate weather and climate simulations; estimating optimal parameters is essential for reducing model error. Recently, a...
Citation: Progress in Earth and Planetary Science 2022 9:47 -
Reply to “Comment on ‘Soil salinity assessment by using near-infrared channel and Vegetation Soil Salinity Index derived from Landsat 8 OLI data: a case study in the Tra Vinh Province, Mekong Delta, Vietnam’ by Kim-Anh Nguyen, Yuei-An Liou, Ha-Phuong Tran, Phi-Phung Hoang and Thanh-Hung Nguyen”
The Vietnamese Mekong Delta has been devastatingly impacted by climate change coupled with sea level rise and natural hazards. As a result, salinity intrusion has become a pressing issue in the coastal provinc...
Citation: Progress in Earth and Planetary Science 2022 9:46 -
Comment on “Soil salinity assessment by using near-infrared channel and Vegetation Soil Salinity Index derived from Landsat 8 OLI data: a case study in the Tra Vinh Province, Mekong Delta, Vietnam” by Kim-Anh Nguyen, Yuei-An Liou, Ha-Phuong Tran, Phi-Phung Hoang and Thanh-Hung Nguyen
Nguyen et al. (Prog Earth Planet Sci 7:1, 2020. https://doi.org/10.1186/s40645-019-0311-0) suggest that Landsat 8 OLI can be used to map and monitor soil salinity ...
Citation: Progress in Earth and Planetary Science 2022 9:45 -
Characterization of water masses around the southern Ryukyu Islands based on isotopic compositions
We investigated the water-mass structure on the Okinawa Trough and Pacific sides of the southern Ryukyu Island Arc (Yonaguni, Iriomote, and Ishigaki subareas) using the Nd isotope composition (143Nd/144Nd ratios;...
Citation: Progress in Earth and Planetary Science 2022 9:44 -
Experiments on seepage-triggered cliff landslides using cohesive wet sand
Unsaturated wet sand possesses capillary cohesion that is lost when it becomes saturated. Thus, it can form a cliff, but a slide may be triggered upon saturation. Here we conduct cliff landslide experiments us...
Citation: Progress in Earth and Planetary Science 2022 9:43 -
Toward a long-term atmospheric CO2 inversion for elucidating natural carbon fluxes: technical notes of NISMON-CO2 v2021.1
Accurate estimates of the carbon dioxide (CO2) fluxes at the earth’s surface are imperative for comprehending the carbon cycle mechanisms and providing reliable global warming predictions. Furthermore, they can a...
Citation: Progress in Earth and Planetary Science 2022 9:42 -
Assessing and projecting surface air temperature conditions required to sustain permafrost in Japan
Permafrost covers a wide area of the Northern Hemisphere, including high-altitude mountainous areas and even at mid-latitudes. There is concern that the thawing of mountain permafrost can cause slope instabili...
Citation: Progress in Earth and Planetary Science 2022 9:39 -
Geomorphological processes and their connectivity in hillslope, fluvial, and coastal areas in Bangladesh: A review
Geomorphological knowledge is critical in understanding watershed scale surface processes, including steep mountainous areas and flat lowlands, particularly if the mid- and downstream areas are densely populat...
Citation: Progress in Earth and Planetary Science 2022 9:41 -
Long-chain alkenones in the Shimosa Group reveal palaeotemperatures of the Pleistocene interglacial Palaeo-Tokyo Bays
The Shimosa Group, a Middle- to Late-Pleistocene sedimentary succession, has been the focus of stratigraphic attention because it lies beneath the Tokyo metropolitan area of central Japan. It is also of palaeo...
Citation: Progress in Earth and Planetary Science 2022 9:40