Sugiura N., T. Awaji, S. Masuda, T. Mochizuki, T. Toyoda, T. Miyama, H. Igarashi, Y. Ishikawa, 2008: Development of a four - dimensional variational coupled data assimilation system for enhanced analysis and prediction of seasonal to interannual climate variations. (usclivar.org)
The datasets considered include a blended in situ - satellite dataset extending from 1923 to 2012 (Brown), the National Oceanic and Atmospheric Administration (NOAA) snow chart Climate Data Record for 1968 — 2012, the Global Land Data Assimilation System version 2.0 (GLDAS - 2 Noah) reanalysis for 1951 — 2010, and the NOAA 20th - century reanalysis, version 2 (20CR2) covering 1948 — 2012. (pacificclimate.org)
Implementation of Sentinel - 5p data in the CAMS global data assimilation system Room F1, Session AS3.15 (climate.copernicus.eu)