QA4ECV Essential Climate Variables

QA4ECV provides multi-decadal satellite data records for 3 Land Essential Climate Variables (ECVs) and 3 Atmosphere ECV precursors. Click on the satellite ECV of your interest to access the data, to find a graphical representation of how these data have been retrieved (Traceability Chain), and to access a FAQ Forum.

LAND ATMOSPHERE
QA4ECV Albedo QA4ECV HCHO                      
QA4ECV LAI and FAPAR (TIP) QA4ECV NO₂
QA4ECV AVHRR FAPAR CO

 

The project also provides a long-term record for 2 Atmosphere independent reference measurements taken from the ground: NO2 and HCHO. Click on the link below to access QA4ECV NO2 and HCHO MAX-DOAS reference data sets.

              ATMOSPHERE
QA4ECV MAX-DOAS NO2 and HCHO