Cal/Val Network
Field Sites
Six permanent autonomous stations operating continuously since 2011 across Spain, plus one site over the Peruvian Amazon — providing high-quality in-situ thermal measurements for satellite calibration and validation.
Station Details
Barrax – Las Tiesas
Albacete, Spain
Primary agricultural test site. Features large, flat crop fields ideal for satellite validation. Operated since 2011.
Instruments
Doñana
Huelva, Spain
Located in the Doñana Biological Reserve. Multiple sub-stations: Fuente Duque, Juncabalejo, Cortes. Unique wetland biome.
Instruments
Cabo de Gata
Almería, Spain
Located in the Cabo de Gata Natural Park. Semi-arid environment with typical Mediterranean sparse vegetation.
Instruments
Lourizán
Pontevedra, Spain
Located at the CIEF (Centro de Investigación Forestal). Provides measurements over Galician forest biomes.
Instruments
El Palmar
Valencia, Spain
Located near the Albufera lake in Valencia. Monitoring of rice paddies and coastal wetland temperature.
Instruments
La Mudarra (New)
Valladolid, Spain
New station installed during IPL-HRTM. Integrated into the ICOS network at the CIBA 100 m meteorological tower, University of Valladolid.
Instruments
Peruvian Amazon Station
The GCU also operates a permanent station over the Peruvian Amazon — one of the few test sites worldwide providing continuous monitoring of surface temperature over a tropical forest biome. This unique site enables validation of satellite products in humid equatorial conditions.