Additional file 1 of Reduction of non-tidal oceanographic fluctuations in ocean-bottom pressure records of DONET using principal component analysis to enhance transient tectonic detectability
Creators: name: Otsuka, Hideto
name: Ohta, Yusaku
name: Hino, Ryota
name: Kubota, Tatsuya
name: Inazu, Daisuke
name: Inoue, Tomohiro
name: Takahashi, Narumi
Publisher: name: figshare
Year: 2024
Subjects: subject: Cell Biology
subject: Molecular Biology
subject: Neuroscience
subject: Physiology
subject: FOS: Biological sciences
subject: Biotechnology
subject: Environmental Sciences not elsewhere classified
subject: Ecology
subject: Mathematical Sciences not elsewhere classified
subject: Cancer
subject: Infectious Diseases
subject: FOS: Health sciences

description: Additional file 1: Figure S1. Observed time series sorted by station number. Each time series is color-coded by the observation node, and the node name and average correlation coefficient within the node are shown in the same color as the time series on the right. Figure S2. OBP time series with offset sorted by sea depth after removing PCs 1 and 2 from (a) the observations (Same figures as Figure 6(c)), (b) after removing PCs 1– 3, (c) after removing PCs 1, 2 and 4, and (d) after removing PCs 1–4. The averaged standard deviation (ASD) of each process is (a) 0.69, (b) 0.61, (c) 0.62, and (d) 0.53. Figure S3. (a) Spatial distribution of the PC-1 for SOM calculated using PCA. (b) Same as (a), but for PC-2. (c) Same as (a), but for PC-3. (d) Same as (a), but for PC-4. The time series indicate the eigenscores of each PC. Figure S4. (a) Time series of PC-1 for SOM. (b) Same as (a), but for PC-2. (c) Same as (a), but for PC-3. (d) Same as (a), but for PC-4. Figure S5. PC-1 variation along with (a) sea depth or (b) longitude for the SOM. (c, d) Same as (a, b) but for PC-2. (e, f) Same as (a, b) but for PC-3. (g, h) Same as (a, b) but for PC-4. Figure S6. (a) Spatial distribution of the PC 1 for ECCO2 calculated by PCA. (b) Same as (a), but for PC-2. (c) Same as (a), but for PC-3. (d) Same as (a), but for PC-4. The time series indicate the eigenscores of each PC. Figure S7. (a) Time series of PC-1 for ECCO2. (b) Same as (a), but for PC-2. (c) Same as (a), but for PC-3. (d) Same as (a), but for PC-4. Figure S8. PC-1 variation along with (a) sea depth or (b) longitude for the ECCO2. (c, d) Same as (a, b) but for PC-2. (e, f) Same as (a, b) but for PC-3. (g, h) Same as (a, b) but for PC-4. Figure S9. Centroid of the rectangular fault models used for the synthetic analysis test. We used the rectangular faults, whose centroids were included in the bold black line. The color indicates the plate boundary depth. Figure S10. Vertical displacement distributions and PC-2 spatial distribution for MW 5.9–7.0. The top right number of each figure indicates the NIP number between two PC 2s. Figure S11. Spatial distribution of the lower limit of synthetic ramp detection in the case of the threshold of (a) 0.99, (b) 0.90, (c) 0.80, (d) 0.70, (e) 0.60, (f) 0.50, (g) 0.40, (h) 0.30, (i) 0.20, (j) 0.10, (k) 0.05, and (l) 0.01. The detectability change corresponds to the threshold of the inner product. Figure S12. Every fixed NIP variation pattern for relative MW. The gray lines indicate the NIP pattern of each rectangular fault grid for relative moment magnitude. The red point is the average of the NIP for each relative MW. The horizontal and vertical error bars indicate the standard deviation of MW displacement width and NIP for each relative MW, respectively. The horizontal dotted lines indicate the lower and upper limits of the NIP value that may be used as the threshold of detectability (Figure 12). Figure S13. Each principal component time series sorted by sea depth. The time series for (a) PC-1, (b) PC-2, (c) PC-3, and (d) PC-4. The rough sea depths and the station names are shown on the right side of (a) and (d), respectively. Figure S14. OBP time series with offset sorted by sea depth for (a) the observations, (b) after removing PC-1, and (c) after removing PC-1 and PC-2. The averaged standard deviation (ASD): (a) 1.98, (b) 0.91, and (c) 0.69. The station names are shown on the right side of the figure. The beards in the time series are caused by the interpolation of the missing period.