Table 2 Information about the SAR data used for the analysis

From: Coastal land subsidence accelerates timelines for future flood exposure in Hawai'i

Platform

Sentinel-1 ascending

Sentinel-1 descending

ALOS-1 ascending

Time range

11/2014–11/2023

11/2014–11/2023

10/2006–01/2011

# acquisitions

358

275

15

Wavelength

5.55 cm (C-band)

5.55 cm (C-band)

23.62 cm (L-band)

Final resolution

15 × 20 m (rg × az)

15 × 20 m (rg × az)

15 × 15 m (rg × az)

  1. Number of acquisitions are Reported for data covering O’ahu and exact dates and numbers vary slightly between different sections of Hawai’i.