Dataset and Code for "Early-Mid Holocene Ross Sea Extreme Wave Heights Reflect Sea Ice Retreat and Ocean-Atmosphere Interactions"

This repository contains the datasets and analysis code supporting the findings reported in Wang et al., "Early-Mid Holocene Ross Sea Extreme Wave Heights Reflect Sea Ice Retreat and Ocean-Atmosphere Interactions" (Nature Communications). Contents: 1. Supplementary_Tables.xlsx — A compiled Excel workbook containing the following sheets: - Table 1: Locations, elevations, and inter-ridge distances of beach ridges A–O at Southernmost Bay, Inexpressible Island - Table 2: Average particle size, volume, and weight of boulders for each beach ridge (A–N) - Table 3: Detailed measurements of all 690 individual boulders, including axis dimensions, volume, weight, and shape indices (MPS, OPI, CSI, DRI) - Table 4: Sampling information for 10Be-dated boulders at Southernmost Bay - Table 5: 10Be exposure ages with GIA-corrected ages for sampled boulders - Table 6: Compilation of published radiocarbon (14C) ages from South Bay and Southernmost Bay of Inexpressible Island - Table 7: Bayesian fusion formation ages for beach ridges A–O with contributing age sources and stratigraphic constraints - Table 9: Wave velocity, wave height, and wave period calculated for three boulder transport modes across P5–P95 size distributions 2. ridge_age_bayesian_fusion.m — MATLAB script implementing the Bayesian fusion chronology framework for beach ridge formation ages. Inputs include 10Be exposure ages, AMS 14C ages, ridge elevations, colonization lag, and inheritance estimates. Outputs include age–elevation regression plots and ridge formation age estimates with 1σ uncertainties. Study site: Inexpressible Island, Ross Sea, Antarctica (74°55′S, 163°42′E)Time period: Early–Middle Holocene (~8.0–5.0 ka)