Ito, M and K. Horikawa, (2000), Millennial- to decadal-scale fluctuation in the paleo-Kuroshio Current documented in the Middle Pleistocene shelf succession on the Boso Peninsula, Japan. Sedimentary Geology, v. 137, p. 1-8.
堀川恵司・高野壮太郎・伊藤慎・中野孝教, (2001), 上総層群の陸棚-深海堆積物に記録された氷河性海水準変動と古海洋変動, 第四紀研究, v. 40, p. 283-290.
Horikawa, K. and M. Ito, (2004), Long-term ENSO-like events documented in the Middle Pleistocene shelf successions, Boso Peninsula, Japan. Palaeogeography, Palaeoclimatology, Palaeoecology, v. 203, p. 239-251.
Takano, S., M. Ito., T. Nakano., K. Horikawa., Y. Nakamura., and T. Saito, (2004), Sequence-stratigraphic signatures of hemipelagic siltstones in deep-water successions: the Lower Pleistocene Kiwada and Otadai Formations, Boso Peninsula, Japan, Sedimentary Geology, v. 170, p. 189-206.
Horikawa, K., M. Minagawa., Y. Kato., M. Murayama, and S. Nagao, (2006), N2 fixation variability in the oligotrophic Sulu Sea, western equatorial Pacific region over the past 83 kyr, Journal of Oceanography, v. 62, p. 427–439.
Horikawa, K., M. Minagawa., M. Murayama., Y. Kato, and H. Asahi, (2006), Spatial and temporal sea-surface temperatures in the eastern equatorial Pacific over the past 150 kyr, Geophysical Research Letters, v. 33, L13605, doi:10.1029/2006GL025948.
堀川恵司・重光雅仁・南川雅男, (2007), 窒素同位体比を用いた古海洋解析 (総説), 海の研究, 16(5), p. 375–399.
Horikawa, K., and M. Ito, (2009), Non-uniform across-shelf variations in thickness, grain size, and frequency of turbidites in a transgressive outer-shelf, the Middle Pleistocene Kakinokidai Formation, Boso Peninsula, Japan. Sedimentary Geology, v. 220, p.105-115.
Horikawa, K., Y. Asahara., K. Yamamoto., and Y. Okazaki, (2010), Intermediate Water formation in the Bering Sea during glacial periods: Evidence from neodymium isotope ratios, Geology, v. 38, p. 435–438, doi:10.1130/G30225.1.
Horikawa, K., M. Murayama, M. Minagawa, Y. Kato, and T. Sagawa, (2010), Latitudinal and downcore (0-750 ka) changes in n-alkane chain lengths in the eastern equatorial Pacific, Quaternary Research, doi:10.1016/j.yqres.2010.01.001.
Basak, C., Martin, E.E., Horikawa, K., and Marchitto, T., (2010), Southern Ocean source of 14C-depleted carbon in the North Pacific during the last deglaciation, Nature Geoscience, v. 3, p.770-773.
Horikawa, K., EE. Martin, Y. Asahara, T. Sagawa, (2011), Limits on conservative behavior of Nd isotopes in seawater assessed from analysis of fish teeth from Pacific core tops, Earth and Planetary Science Letters, v. 310, 119-130. doi:10.1016/j.epsl.2011.07.018
Okazaki, Y., Sagawa, T., Asahi, H., Horikawa, K., and Onodera, J. (2012), Ventilation changes in the western North Pacific since the last glacial period, Clim. Past, 8, 17-24. Open Access
Horikawa, K., Takeda, M., Kawasaki, K., and Zhang, J. (2013), Historical changes in soil acidification inferred from the dendrochemistry of a Tateyama cedar at Bijodaira, Mt. Tateyama, Japan. Geochemical Journal, v. 47, 663-673. doi:10.2343/geochemj.2.0261
Matsuyama, H., Sawazaki, K., Minami, H., Kasahara, H., Horikawa, K., and Yumoto, I. (2014), Pseudoalteromonas shioyasakiensis sp. nov., a novel marine polysaccharide-producing bacterium. International Journal of Systematic and Evolutionary Microbiology, v. 64, 101-106.
Kawasaki, K., Horikawa, K., and Sakai, H. (2015), Environmental Magnetism of Roadside Soil Contamination in the Restricted Bijyodaira Area of Mt. Tateyama, Toyama, Japan. Asian Journal of Water, Environment and Pollution, v. 12, Number 2, 1-11.
Horikawa, K., Kodaira, T., Zhang, J., and Murayama, M., (2015), δ18Osw estimate for Globigerinoides ruber from core-top sediments in the East China Sea, Progress in Earth and Planetary Science, v. 2:19, https://doi.org/10.1186/s40645-015-0048-3, PDF (open access)
Minami, M., Kato, T., Horikawa, K., and Nakamura, T. Seasonal variations of 14C and δ13C for cave drip waters in Ryugashi Cave, Shizuoka Prefecture, central Japan (2015), Nuclear Instruments and Methods in Physics Research B. http://dx.doi.org/10.1016/j.nimb.2015.05.020
Horikawa, K., Martin, E.E., Chandranath, B., Onodera, J., Seki, O., Sakamoto, T., Ikehara, M., Sakai, S., and Kawamura, K. (2015) Pliocene cooling enhanced by flow of low salinity Bering Sea water to the Arctic Ocean. Nature Communications, v6, https://doi.org/10.1038/ncomms8587. PDF (open access)
水畑和子・堀川恵司・酒井英男（2016），立山から富山湾までー高度差4千mの科学（その2）：雪・河川水・地下水の環境調査，化学と教育 v. 64, 344-347.
小平智弘・堀川恵司・張勁・千手智晴（2016），日本海対馬暖流域における海水の酸素同位体比と塩分の関係，地球化学 v. 50, 263-277.
Seto, Y., Okazaki, F., Horikawa, K., Zhang, J., Sasaki, H., and To, H. (2016), Influence of dosing times on cisplatin-induced peripheral neuropathy in rats, BMC Cancer, 16:756. doi:10.1186/s12885-016-2777-0.
Maeda, A., Fujita, K., Horikawa, K., Suzuki, A., Yoshimura, T., Tamenori, Y., Kawahata, H, Evaluation of oxygen isotope and Mg/Ca ratios in high-magnesium calcite from benthic foraminifera as a proxy for water temperature. Journal of Geophysical Research-Biogeosciences, 122. 185-199. (2017). https://doi.org/10.1002/2016JG003587
Kawasaki, K., Horikawa, K., and Sakai, H. (2017), Magnetic biomonitoring of roadside pollution in the restricted Midagahara area of Mt. Tateyama, Toyama, Japan. Environmental Science and Pollution Research, doi: 10.1007/s11356-017-8702-5.
堀川恵司・小坂由紀子，ネオジム同位体を使った過去の海洋循環の解析，(2018), 号外海洋，v61，153-158（査読なし）
Maeda, A., K, Fujita., K, Horikawa., A, Suzuki., Y, Ohno, and H, Kawahata, (2018), Calibration between temperature and Mg/Ca and oxygen isotope ratios in high-magnesium calcite tests of asexually reproduced juveniles of large benthic foraminifers, Marine Micropaleontology.v. 143, 63-69, https://doi.org/10.1016/j.marmicro.2018.07.004
Khim, B.K., K, Horikawa., Y, Asahara., Kim, J.E., M, Ikehara, (2018), Detrital Sr-Nd isotopes, sediment provenance, and depositional processes in the Laxmi Basin of the Arabian Sea during the last 800 kyrs, Geological Magazine.https://doi.org/10.1017/S0016756818000596
Kozaka, Y., K, Horikawa., Y, Asahara., H, Amakawa., Y, Okazaki, (2018), Late Miocene-mid Pliocene tectonically-induced formation of the semi-closed Japan Sea, inferred from seawater Nd isotopes, Geology. https://doi.org/10.1130/G45033.1
上記の成果について，プレスリリースを行いました。富山新聞（9/19），北日本新聞（9/19），NHKとやまお昼のニュース（9/22），読売新聞（10/4），財経新聞で取り上げて頂きました。
サイエンスポータルとacademist Journalでも紹介していただきました。（10/9,11）。「子供の科学（１月号）」で紹介していただきました。
Khim BK., Kim JE., Horikawa K., Ikehara M., Asahara Y., Lee J. (2019) Orbital-Scale Paleoceanographic Response to the Indian Monsoon in the Laxmi Basin of the Eastern Arabian Sea. In: Zhang Z., Khélifi N., Mezghani A., Heggy E. (eds) Patterns and Mechanisms of Climate, Paleoclimate and Paleoenvironmental Changes from Low-Latitude Regions. Advances in Science, Technology & Innovation (IEREK Interdisciplinary Series for Sustainable Development). Springer, Cham
Gohl, K., Wellner, J.S., Klaus, A., and the Expedition 379 Scientists, (2019), Expedition 379 Preliminary Report: Amundsen Sea West Antarctic Ice Sheet History. International Ocean Discovery Program. https://doi.org/10.14379/iodp.pr.379.2019.
Matsui, H., K. Horikawa, S. Chiyonobu, T. Itaki, M. Ikehara, S. Kawagata, H. Wakaki-Uchimura, Y. Asahara, O. Seki, and Y. Okazaki (2019), Integrated Neogene biochemostratigraphy at DSDP Site 296 on the Kyushu-Palau Ridge in the western North Pacific, Newsletters on Stratigraphy, doi:10.1127/nos/2019/0549.
Horikawa, K., T. Kodaira, K. Ikehara, M. Murayama, and J. Zhang (2019), Millennial-scale fluctuations in water volume transported by the Tsushima Warm Current in the Japan Sea during the Holocene, Global and Planetary Change, 103028, https://doi.org/10.1016/j.gloplacha.2019.103028
Mondal, M. N., Horikawa, K., Seki, O., Nejigaki, K., Minami, H., Murayama, M., & Okazaki, Y. (2021). Investigation of Adequate Calibration Methods for X-ray Fluorescence Core Scanning Element Count Data: A Case Study of a Marine Sediment Piston Core from the Gulf of Alaska. Journal of Marine Science and Engineering, 9(5), 540, https://doi.org/10.3390/jmse9050540.
Gohl, K., Uenzelmann-Neben, G., Gille-Petzoldt, J., Hillenbrand, C.-D., Klages, J. P., Bohaty, S. M., et al. (2021). Evidence for a highly dynamic West Antarctic Ice Sheet during the Pliocene. Geophysical Research Letters, 48, e2021GL093103. https://doi.org/10.1029/2021GL093103
Horikawa, K., Kozaka, Y., Okazaki, Y., Sagawa, T., Onodera, J., Asahi, H., Shin, K-C., Asahara, Y., and Takahashi, K. (2021). Neodymium isotope records from the Northwestern Pacific: Implication for deepwater ventilation at Heinrich Stadial 1. Paleoceanography and Paleoclimatology, 36, e2021PA004312. https://doi.org/10.1029/2021PA004312
Jongmin Lee, Sunghan Kim, Minoru Ikehara, Keiji Horikawa, Yoshihiro Asahara, Chan Min Yoo, and Boo-Keun Khim (2023) Indian monsoon variability in the Mahanadi Basin over the last two glacial cycles and its implications on the Indonesian throughflow. Geoscience Frontiers, v. 14. https://doi.org/10.1016/j.gsf.2022.101483
Gille-Petzoldt Johanna, Gohl Karsten, Uenzelmann-Neben Gabriele, Grützner Jens, Klages Johann P., IODP Expedition 379 Scientists, Bauersachs T., Courtillat M., Cowan E., De Lira Mota M., Esteves M., Fegyveresi J., Gao L., Halberstadt A., Horikawa K., Iwai M., Kim J., King T., Klaus A., Kulhanek D., Penkrot M., Prebble J., Rahaman W., Reinardy B., Renaudie J., Robinson D., Scherer R., Siddoway C., Wu L., Yamane M., (2022) West Antarctic Ice Sheet Dynamics in the Amundsen Sea Sector since the Late Miocene—Tying IODP Expedition 379 Results to Seismic Data. Frontiers in Earth Science, v. 10. https://doi.org/10.3389/feart.2022.976703
Horikawa, K., Kodaira, T., Zhang, J., and Obata, H. (2023), Salinity–oxygen isotope relationship during an El Niño (2014–2015) in the southwestern Pacific and comparisons with GEOSECS data (La Niña, 1973–1974), Marine Chemistry, 249:104222, https://doi.org/10.1016/j.marchem.2023.104222
堀川恵司 (2023) ネオジム同位体比分析による過去の海洋循環研究, 地球化学, 57, 2, https://doi.org/10.14934/chikyukagaku.57.74
Shu, S. J., Zhang, J., Matsuno, T., Tsutsumi, E., Kambayashi, S., Horikawa, K., et al. (2023). Quantifying the Water Contribution of Subtropical Mode Water and Related Isopycnal/Diapycnal Water Mixing in the Western Pacific Boundary Current Area using Radiocesium: A Significant Nutrient Contribution from Subtropical Pacific Gyre to the Marginal Region. Journal of Geophysical Research: Oceans, 128, e2022JC018975. https://doi.org/10.1029/2022JC018975
Iizuka, M., Seki, O., Wilson, D.J., Suganuma, Y., Horikawa, K., van de Flierdt, T., Ikehara, M., Itaki, T., Irino, T., Yamamoto, M., Hirabayashi, M., Matsuzaki, H., Sugisaki, S., (2023). Multiple episodes of ice loss from the Wilkes Subglacial Basin during the Last Interglacial. Nat Commun 14, 2129. https://doi.org/10.1038/s41467-023-37325-y