Faculty Profiles - KITAGAWA, Hiroyuki

Papers - KITAGAWA, Hiroyuki

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Dolphins from a prehistoric midden imply long-term philopatry of delphinids around Tokyo Bay Invited Reviewed

Biological Journal of the Linnean Society 2023.11

Delta initiation under low sediment discharge: Insights from Holocene incised valley fills north of Tokyo Bay, central Japan Invited Reviewed International coauthorship

Susumu Tanabe, Wan Hong, Junghun Park, Hiroyuki Kitagawa

Marine Geology Vol. 463 2023.9

Examination of ΔR (local marine reservoir correction) Value in the Sea of Okhotsk Coast, Hokkaido

OMOTO Kunio, KITAGAWA Hiroyuki, HIRAKOCHI Tsuyoshi

Quarterly Journal of Geography Vol. 75 ( 2 ) page： 78 - 85 2023

Language：Japanese Publisher：The Tohoku Geographical Association

<p>　　A total of four paired terrestrial and marine samples were collected from the Oshamappu river site and the Tohtsurunuma 1 site of Shari town, in the northern part of Hokkaido. They were radiocarbon dated to determine the ΔR （local marine reservoir correction） value of northern Hokkaido, facing towards the Sea of Okhotsk, using the Marine 20 calibrations. The ΔR value of the Oshamappu river site was calculated to be －94±60 yr，while the ΔR values for Tohtsurunuma Pit 2 were 55±46 yr and 135±45 yr （Average was 95±64 yr）. New ΔR values differ from a re-calculated ΔR value （－323±42 yr） of the Tokoro shell mound, formally reported.</p>

DOI： 10.5190/tga.75.2_78

CiNii Research

Cave occupations in Southeastern Arabia in the second millennium BCE: Excavation at Mugharat al-Kahf, North-Central Oman

Miki T., Kuronuma T., Kitagawa H., Kondo Y.

Arabian Archaeology and Epigraphy Vol. 33 ( 1 ) page： 85 - 107 2022.11

Publisher：Arabian Archaeology and Epigraphy

This paper reports the results of excavation at Mugharat al-Kahf (WTN01) in Wādī Tanūf, North-central Oman. It also provides information on the nonmortuary and nonsedentary activities in central Oman during the Wādī Sūq period (2000–1600 BCE), as the subsistence and social arrangements of this period are the subject of much debate. Previous surveys had discovered a substantial amount of Wādī Sūq pottery at the site. This project took forward the excavation for further exploration. The excavation at Test Pit 1 identified Layers Ia and Ib, wherein pottery sherds, charred date stones and other samples for radiocarbon dating were discovered. These prove the cave's occupation during the early third millennium BCE, early second millennium BCE and the Islamic period. The analysis of artefacts and floral remains provided insights into the sojourn, storage and consumption of dates in the cave, and the mobile lifestyle in central Oman.

DOI： 10.1111/aae.12210

Scopus

Luminescence dating of Holocene sediment cores from a wave-dominated and mountainous river delta in central Vietnam

Qiaola S., Nguyen T.M.L., Ta T.K.O., Nguyen V.L., Gugliotta M., Saito Y., Kitagawa H., Nakashima R., Tamura T.

Quaternary Geochronology Vol. 70 2022.5

Publisher：Quaternary Geochronology

Sediments of river deltas provide valuable records of past coastal environments. Optically-stimulated luminescence (OSL) dating has become an alternative to radiocarbon dating for constraining the sediment chronology in large deltas that allow for sufficient sunlight bleaching of sediments during the fluvial transport. However, its applicability to smaller deltas with mountainous riverine systems has not been confirmed yet. To check this, we examine multiple signals from two Holocene sediment cores in the wave-dominated Thu Bon River delta in central Vietnam. Two cores were collected, respectively, 3.9 km and 1.2 km inland from the present shoreline and both show a >-25-m thick succession of coarsening-upward mud to sand deposits. Coarse grains (180–250 μm in diameter) of quartz and K-feldspar, and fine grains (4–11 μm in diameter) of quartz and polymineral were extracted from the upper and lower parts of the cores for multi-grain measurements of quartz OSL, and of feldspar infrared-stimulated luminescence (IRSL) at 50 °C (IR50) and post-IR IRSL at 175 °C (pIRIR175) to determine burial ages. In addition, facies analysis and radiocarbon dating were conducted. The landward core consists of transgressive to early regressive estuarine and prodelta facies, which is overlain by a sandy beach-shoreface facies. The seaward core consists of a relatively simple shallowing-upward succession from muddy prodelta facies to sandy beach-shoreface facies. All luminescence ages except for pIRIR175 of fine grains are mostly consistent with the radiocarbon ages. Instead, pIRIR175 ages of fine grains are significantly overestimated with variable offsets. OSL and IR50 of fine grains provide reasonable age estimates, as these grains were likely well bleached during the transport even along a short and steep mountainous river. Consistent age estimates of all signals from sand indicate that sand was well-bleached in the beach and shoreface owing to the frequent sediment reworking by waves and currents. These results support the hypothesis that luminescence dating is applicable to Holocene wave-dominated deltas and reiterate that comparing different luminescence signals is an effective way to check reliability of the age estimates in environments where the sunlight bleaching is not ensured.

DOI： 10.1016/j.quageo.2022.101277

Scopus

Evolution of the Kikugawa Lowland based on sediment core analysis

Hori Kazuaki, Ishii Yuji, Tamura Toru, Sato Yoshiki, Ianazaki Tomio, Nakanishi Toshimichi, Kitagawa Hiroyuki, Hirouchi Daisuke, Mitoma Kayo, Matta Nobuhisa

Proceedings of the General Meeting of the Association of Japanese Geographers Vol. 2022s ( 0 ) page： 158 2022

Language：Japanese Publisher：The Association of Japanese Geographers

<p>The topographic features such as marine terraces and coastal plains and their sediments have been used to study the crustal movement and tsunami history associated with the repeated earthquakes in the Nankai Trough. In order to extract valuable information on crustal movement and tsunamis through the analysis of these landforms and sediments, it is necessary to clarify the relationship between the landforms and strata formation and glacial sea-level change. We report the results of analysis of sediment cores obtained from the Kikugawa lowland in the eastern part of the Enshunada and discuss the formation process of the Kikugawa lowland.</p>

DOI： 10.14866/ajg.2022s.0_158

CiNii Research

The spatio-temporal structure of the Lateglacial to early Holocene transition reconstructed from the pollen record of Lake Suigetsu and its precise correlation with other key global archives: Implications for palaeoclimatology and archaeology

Nakagawa T., Tarasov P., Staff R., Bronk Ramsey C., Marshall M., Schlolaut G., Bryant C., Brauer A., Lamb H., Haraguchi T., Gotanda K., Kitaba I., Kitagawa H., van der Plicht J., Yonenobu H., Omori T., Yokoyama Y., Tada R., Yasuda Y.

Global and Planetary Change Vol. 202 2021.7

Publisher：Global and Planetary Change

Leads, lags, or synchronies in climatic events among different regions are key to understanding mechanisms of climate change, as they provide insights into the causal linkages among components of the climate system. The well-studied transition from the Lateglacial to early Holocene (ca. 16–10 ka) contains several abrupt climatic shifts, making this period ideal for assessing the spatio-temporal structure of climate change. However, comparisons of timings of past climatic events among regions often remain hypothetical because site-specific age scales are not necessarily synchronised to each other. Here we present new pollen data (n = 510) and mean annual temperature reconstruction from the annually laminated sediments of Lake Suigetsu, Japan. Suigetsu's 14C dataset is an integral component of the IntCal20 radiocarbon calibration model, in which the absolute age scale is established to the highest standard. Its exceptionally high-precision chronology, along with recent advances in cosmogenic isotope studies of ice cores, enables temporally coherent comparisons among Suigetsu, Greenland, and other key proxy records across regions. We show that the onsets of the Lateglacial cold reversal (equivalent to GS-1/Younger Dryas) and the Holocene were synchronous between East Asia and the North Atlantic, whereas the Lateglacial interstadial (equivalent to GI-1/Bølling-Allerød) started ca. two centuries earlier in East Asia than in the North Atlantic. Bimodal migration (or ‘jump’) of the westerly jet between north and south of the Tibetan plateau and Himalayas may have operated as a threshold system responsible for the abruptness of the change in East and South (and possibly also West) Asia. That threshold in Asia and another major threshold in the North Atlantic, associated with switching on/off of the Atlantic meridional overturning circulation (AMOC), were crossed at different times, producing a multi-centennial asynchrony of abrupt changes, as well as a disparity of climatic modes among regions during the transitional phases. Such disparity may have disturbed zonal circulation and generated unstable climate during transitions. The intervening periods with stable climate, on the other hand, coincided with the beginnings of sedentary life and agriculture, implying that these new lifestyles and technologies were not rational unless climate was stable and thus, to a certain extent, predictable.

DOI： 10.1016/j.gloplacha.2021.103493

Scopus

Breakthrough in purification of fossil pollen for dating of sediments by a new large-particle on-chip sorter

Kasai Y., Leipe C., Saito M., Kitagawa H., Lauterbach S., Brauer A., Tarasov P.E., Gosla T., Arai F., Sakuma S.

Science Advances Vol. 7 ( 16 ) 2021.4

Language：English Publisher：Science Advances

Particle sorting is a fundamental method in various fields of medical and biological research. However, existing sorting applications are not capable for high-Throughput sorting of large-size (100 micrometers) particles. Here, we present a novel on-chip sorting method using traveling vortices generated by on-demand microjet flows, which locally exceed laminar flow condition, allowing for high-Throughput sorting (5 kilohertz) with a record-wide sorting area of 520 micrometers. Using an activation system based on fluorescence detection, the method successfully sorted 160-micrometer microbeads and purified fossil pollen (maximum dimension around 170 micrometers) from lake sediments. Radiocarbon dates of sorting-derived fossil pollen concentrates proved accurate, demonstrating the method's ability to enhance building chronologies for paleoenvironmental records from sedimentary archives. The method is capable to cover urgent needs for high-Throughput large-particle sorting in genomics, metabolomics, and regenerative medicine and opens up new opportunities for the use of pollen and other microfossils in geochronology, paleoecology, and paleoclimatology.

DOI： 10.1126/sciadv.abe7327

Scopus

PubMed

アラビア半島におけるホモ・サピエンスの定着:オマーン内陸部ワディ・タヌーフ1号洞穴遺跡の土層堆積状況と年代について

近藤康久, 北川浩之

「パレオアジア文化史学」計画研究A03　2020年度研究成果報告書(PaleoAsia Project Series 31　) Vol. 31 page： 1 - 4 2021

ホモ・サピエンスの拡散モデルの構築に向けた過去25万年間の気候変動の再現

北川浩之

「パレオアジア文化史学」計画研究A03　2020年度研究成果報告書(PaleoAsia Project Series ) Vol. 34 page： 13 - 17 2021

Revised chronology of the ICDP Dead Sea deep drill core relates drier-wetter-drier climate cycles to insolation over the past 220 kyr

Goldstein S.L., Kiro Y., Torfstein A., Kitagawa H., Tierney J., Stein M.

Quaternary Science Reviews Vol. 244 2020.9

Publisher：Quaternary Science Reviews

The Dead Sea Deep Drilling Project drilled 456 meters into the deepest floor of the Dead Sea and recovered a record of the past ∼220 kyr of the Levant hydroclimate history, that is, Marine Isotope Stages 1–7, including the last three interglacials and the last two glacials. We present an updated chronology of the core from DSDDP Hole 5017-1-A, from the Dead Sea's deepest basin, that refines our previous chronology (Torfstein et al. 2015) based on new information. The updated chronology uses the following approaches: (1) radiocarbon ages of Kitagawa et al. (2017); (2) correlation of specific layers in the core with U–Th-dated sediments on the Dead Sea margin, particularly during the interval of glacial Lake Lisan (MIS 2,3,4); (3) tuning of the δ18O data of DSDDP core aragonite to the U–Th dated oxygen isotopes of regional cave speleothems; and (4) tuning of the DSDDP aragonite δ18O data to summer insolation curves when the cave δ18O chronology is less clear. The updated chronology reveals a strong relationship between the sedimentary facies comprising the core and Northern Hemisphere summer insolation variations. It shows that sequences of sediments marking drier/wetter/drier climate conditions in the lake's watershed (e.g., salt/muds/salt, respectively) appear across the flank/peak/flank segments of several summer insolation peaks. In particular, the transition from drier to wetter sedimentary facies during mid-latitude insolation peaks coincides with the intervals of sapropel conditions in the Mediterranean, reflecting enhanced Nile flow due to intense African monsoonal conditions, and marking the impact of the tropical precession cycles on Eastern Mediterranean hydroclimate. This pattern was lost during MIS 2,3,4, when mostly sequences of primary aragonite are punctuated by gypsum precipitation during Heinrich events, marking the strong impact of the North Atlantic on the last glacial Levant hydroclimate.

DOI： 10.1016/j.quascirev.2020.106460

Scopus

A protocol for using attenuated total reflection Fourier-transform infrared spectroscopy for pre-screening ancient bone collagen prior to radiocarbon dating

Naito Y.I., Yamane M., Kitagawa H.

Rapid Communications in Mass Spectrometry Vol. 34 ( 10 ) page： e8720 2020.5

Language：English Publisher：Rapid Communications in Mass Spectrometry

Rationale: Pre-screening of bone collagen quality is important to reduce the cost for analyses such as radiocarbon (14C) dating with accelerator mass spectrometry in archaeological studies. We developed a pre-screening protocol based on attenuated total reflection (ATR) Fourier-transform infrared spectroscopy (FTIR) for assessing the chemical composition and mineralogy of ancient bone samples. Methods: ATR-FTIR measurements were performed on bulk bones of diverse origin and age before collagen extraction. The percentage nitrogen of bulk bones, as well as the weight percentage, and the percentage carbon and nitrogen of extracted organic matter were noted. Several machine learning algorithms were applied to the spectral data and compared for their efficacy in screening for well preserved collagen. Results: The results showed that (a) the first derivative of the spectral data was better suited to screening than the raw FTIR data, especially for a wider spectral range and (b) certain classification algorithms [e.g. gradient boosting machine (GBM)] were able to efficiently predict the degree of preservation in bone samples. Conclusions: This pre-screening protocol can serve as a fast, concise and inexpensive pre-screening tool for determining relative degrees of preservation before collagen extraction and subsequent 14C dating. The screening power based on the machine learning techniques can be further improved by accumulating the FTIR spectral data of bones.

DOI： 10.1002/rcm.8720

Web of Science

Scopus

PubMed

ホモ・サピエンスのアジアへの拡散モデルの構築（2）―気候・環境への適応 International coauthorship

北川浩之

パレオアジア文化史学, 計画研究A03 令和元年度研究報告書 Vol. 2019 page： 33 - 36 2020

パキスタンThar砂漠堆積物のOSL年代による石器年代の制約 International coauthorship

田村亨, 北川浩之

パレオアジア文化史学, 計画研究A03 令和元年度研究報告書 Vol. 2019 page： 23 - 28 2020

ホモ・サピエンスのアジアへの拡散モデルの構築（1）－気候の類似性

北川浩之

パレオアジア文化史学, 計画研究A03 平成30年度研究報告書 (PaleoAsia Project Serise) Vol. 20 page： 39 - 44 2019

Radiocarbon chronology of the dsddp core at the deepest floor of the dead sea

Kitagawa H., Stein M., Goldstein S.L., Nakamura T., Lazar B.

Radiocarbon Vol. 59 ( 2 ) page： 383 - 394 2017.4

Publisher：Radiocarbon

This study establishes the chronological framework of the sedimentary sequence deposited Dead Sea, ICDP 5017-1, Radiocarbon chronology during the past 50 ka at the deepest part of the Dead Sea (the ICDP 5017-1 site), which was recovered by the Dead Sea Deep Drilling Project (DSDDP) under the auspices of the International Continental Scientific Drilling Program (ICDP). The age-depth model is constructed using 3814C dates of terrestrial plant remains in a composite 150-m-long profile, generated by anchoring 32 marker layers identified in five cores. The sedimentary records at the ICDP 5017-1 site fills gaps in those obtained from the exposed sections at the high margins of the lake, particularly in times of lake-level retreat, and allows for a high-resolution comparison between the lake’s margins and deepest floor.

DOI： 10.1017/RDC.2016.120

Scopus

Radiocarbon Chronology of the DSDDP Core at the Deepest Floor of the Dead Sea Reviewed

Kitagawa, H., M. Stein, S. L. Goldstein, T. Nakamura, B. Lozar

Radiocarbon Vol. 59 ( 2 ) page： 383-394 2017

Evidences for centennial dry periods at ~3300 and ~2800 cal. yr BP from microfacies analyses of the Dead Sea sediments

1. I. Neugebauer, A. Brauer, M. J. Schwab, P. Dulski, U. Frank, E. Hadzhiivanova, H. Kitagawa, T. Litt, V. Schiebel, N. Taha and N. D Waldmann, DSDDP Scientific Party

The Holocene 2015

Quantitative analysis of intraspecific variations in the carbon and oxygen isotope compositions ofthe modern cool-temperate brachiopod Terebratulina

2. H. Takayanagi, R. Asami, T. Otake, O. Abe, T. Miyajima, H. Kitagawa, Y. Iryu

Geochimica et Cosmochimica Acta 2015

Characteristics of 14C and 13C of carbonate aerosols in dust storm events in China Reviewed

( 164-165 ) page： 297-303 2015

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Papers - KITAGAWA, Hiroyuki