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An Overview of the Regional Experiments for Land-Atmosphere Exchanges 2012 (Reflex 2012) Campaign

Timmermans W. J., Tol Ch. van der, Timmermans J., Ucer M., Chen X., Alonso L., Moreno J., Carrara A., Lopez R., Cruz Tercero F. de la, Corcoles H. L., Miguel E. de, Sanchez J. A. G., Pérez I., Franch B., Munoz J.-C. J., Skokovic D., Sobrino J., Soria G., MacArthur A., Vescovo L., Reusen I., Andreu A., Burkart A., Cilia Ch., Contreras S., Corbari Ch., Calleja J. F., Guzinski R., Hellmann Ch., Herrmann I., Kerr G., Lazar A.-L., Leutner B., Mendiguren G., Nasilowska S., Nieto H., Pachego-Labrador J., Pulanekar S., Raj R., Schikling A., Siegmann B., Bueren S. von, Su Z.

Acta Geophysica

2015

Vol. 63, no. 6

1465--1484

The REFLEX 2012 campaign was initiated as part of a training course on the organization of an airborne campaign to support advancement of the understanding of land-atmosphere interaction processes. This article describes the campaign, its objectives and observations, remote as well as in situ. The observations took place at the experimental Las Tiesas farm in an agricultural area in the south of Spain. During the period of ten days, measurements were made to capture the main processes controlling the local and regional land-atmosphere exchanges. Apart from multi-temporal, multi-directional and multi-spatial space-borne and airborne observations, measurements of the local meteorology, energy fluxes, soil temperature profiles, soil moisture profiles, surface temperature, canopy structure as well as leaf-level measurements were carried out. Additional thermo-dynamical monitoring took place at selected sites.

AHS and CASI Processing for the REFLEX Remote Sensing Campaign : Methods and Results

Miguel E. de, Jiménez M., Pérez I., Cámara Ó. G. de la, Muñoz F., Gómez-Sánchez J. A.

Acta Geophysica

2015

Vol. 63, no. 6

1485--1498

The airborne spectroradiometers AHS and CASI were used as a source of hyperspectral and thermal remote sensing data during the REFLEX campaign. Data geolocation and a first simple atmospheric correction was performed by INTA in near-real time with a specific on-site setup and distributed to all campaign participants. In this paper we present briefly the AHS and CASI REFLEX flight campaign followed by a detailed description of the methodology used for image processing and finally the results obtained in terms of image quality. As a conclusion, near-real time processing for AHS and CASI level 1 geolocated products was successful as most of CASI level 2 results but further work is needed for achieving accurate AHS level 2 products.