40645_2021_465_MOESM6_ESM.pdf (112.83 kB)
Additional file 6 of Millennial-scale oscillations in the Kuroshio–Oyashio boundary during MIS 19 based on the radiolarian record from the Chiba composite section, central Japan
journal contribution
posted on 2022-01-12, 04:35 authored by Takuya Itaki, Sakura Utsuki, Yuki Haneda, Kentaro Izumi, Yoshimi Kubota, Yusuke Suganuma, Makoto OkadaAdditional file 6: Fig. S4. Results of spectral analysis (simple periodogram) for δ18O of G. bulloides (18O_Gb), Tr index, and total radiolarian analysis using the PAST statistical software package (Hammer et al. 2001). The three-point moving average data was processed through the regular interpolation for spacing and a bandpass filter from 0.03 to 0.4.
