One of the objectives of the EU-FP7 project QA4ECV (Quality Assurance for Essential Climate variables, www.qa4ecv.eu,
under contract No 607405) project is to produce a long and consistent data record of global surface albedo. Thus, level-
1 and level-2 data from several sensors, namely NOAA-AVHRR, several geostationary satellites and MODIS have
been collected and pre-processed to ingest into our optimal estimation algorithm. Our primary output product is a daily
global map of two types of albedo bi-hemispherical diffuse reflectance known colloquially as white sky albedo and direct
hemispherical reflectance known as black sky albedo over three broadbands (vis: 0.4 − 0.7μm; nir: 0.7 − 3μm; sw:
0.4 − 3μm) and, with a spatial resolution of 0.05◦ × 0.05◦. From this product, we derive other up-scaled products such
as monthly and 0.5◦ × 0.5◦. The inter-comparison against third party products and in-situ data show a very good overall
agreement and confirm the accuracy and the consistency of our output albedos.
KHARBOUCHE Said;
MULLER Jan-Peter;
DANNE Olaf;
GOBRON Nadine;
2018-01-18
Publications Office of the European Union
JRC109316
978-92-79-73527-1,
1831-9424,
https://publications.jrc.ec.europa.eu/repository/handle/JRC109316,
10.2760/383579,
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