LIST OF ACRONYMS AIPo Agenzia Interregionale del Fiume Po ArcticGRO The Arctic Great Rivers Observatory ATBD Algorithm Theoretical Basis Document CCI Climate Change Initiative CDF Cumulative Distribution Function eDT ending datetime EO Earth Observation FABDEM Forest And Buildings removed Copernicus DEM GRDC Global Runoff Data Centre GSW Global Surface Water MCMC Markov Chain Monte Carlo NPQM Non-Parametric Quantile Mapping Q Discharge RC Rating Curve RD River Discharge RD-alti Altimetry-based River Discharge RD-multispec Multispectral images-based River Discharge RD-merge Satellite-based River Discharge – merging approach RD-mergeL2 RD-merge – merging approach using Level 2 products (WSE/CM) RD-mergeL3 RD-merge – merging approach using Level 3 products (RD-alti/RD-multispec) RD-width Width-based River Discharge RivDIS The Global River Discharge RMSE Root Mean Squared Error SCHAPI Service Central d'Hydromйtйorologie et d'Appui а la Prйvision des Inondations sDT starting datetime SO-HYBAM Service d’Observation - HYdro-gйochimie du Bassin AMazonien SWORD SWOT River Database USGS The U.S.
Geological Survey's WP Work Package WSE Water Surface Elevation D.3 River Discharge ATBD. Reference: RD_CCI-0006-ATBD - Issue 2.0 – 31/07/2025 Open/Public © 2019 CLS. All rights reserved. Proprietary and Confidential. 6/31