Biscarrosse Observatory, France (BIS)

Biscarrosse Observatory, France (BIS)


Lat: 44.3781°N, Lon: -1.2321°W, Alt: 73 m above sea level

Sampling height: 47 m above ground level


The Biscarrosse atmospheric observatory is located in the South West of France, in the Landes region, a flat and forested area along the Atlantic Ocean coast. The ‘Centre d’Essai des Landes’ (CEL) is a military facility located at Biscarrosse. This facility was created in 1962, in order to test all kind of missiles. The area (25 km from North to South; about 5 km from West to East) is located between the Atlantic Ocean and the Biscarrosse Lake. There are a lot of small sand hills (50-100m asl) covered with pines.

Beginning of 2005, an air Inlet and CO2 continuous gas analyzer were installed on a 50m high concrete tower, located on a hill 73 m above sea level. In 2009 a CO2 and CH4 gas analyzer replaced the previous one. In summer 2019 a new analyzer was set on site providing additional CO continuous data.

Measured species

In situ and continuous: CO2, CH4, CO


M. Lopez, M. Ramonet, M. Delmotte


Relevant publications

Ahmadov, R., C. Gerbig, R. Kretschmer, S. Körner, C. Rödenbeck, P. Bousquet, and M. Ramonet (2009), Comparing high resolution WRF-VPRM simulations and two global CO2 transport models with coastal tower measurements of CO2, Biogeosciences, 6(5), 807-817,

Dolman, A. J., C. Gerbig, J. Noilhan, C. Sarrat, and F. Miglietta (2009), Detecting regional variability in sources and sinks of carbon dioxide: a synthesis, Biogeosciences, 6(6), 1015-1026.

Dolman, A. J., J. Noilhan, P. Durand, C. Sarrat, A. Brut, B. Piguet, A. Butet, N. Jarosz, Y. Brunet, D. Loustau, et al. (2006), The CarboEurope regional experiment strategy, Bulletin of the American Meteorological Society, 87(10), 1367-1379, doi:10.1175/bams-87-10-1367.

Lauvaux, T., B. Gioli, C. Sarrat, P. J. Rayner, P. Ciais, F. Chevallier, J. Noilhan, F. Miglietta, Y. Brunet, E. Ceshia, H. Dolman, J. Elbers, C. Gerbig, R. Hutjes, N. Jarosz, D. Legain, and M. Uliasz (2009a), Bridging the gap between atmospheric concentrations and local ecosystem measurements, Geophys. Res. Lett., 36, doi:10.1029/2009GL039574.

Lauvaux, T., M. Uliasz, C. Sarrat, F. Chevallier, P. Bousquet, C. Lac, K. J. Davis, P. Ciais, A. S. Denning, and P. J. Rayner (2008), Mesoscale inversion: first results from the CERES campaign with synthetic data, Atmospheric Chemistry and Physics, 8(13), 3459-3471.

Pison, I., A. Berchet, M. Saunois, P. Bousquet, G. Broquet, S. Conil, M. Delmotte, A. Ganesan, O. Laurent, D. Martin, S. O ‘ Doherty, M. Ramonet, T. G. Spain, A. Vermeulen, and C. Yver Kwok (2018), How a European network may help with estimating methane emissions on the French national scale, Atmospheric Chemistry and Physics, 18(5), 3779-3798, doi:10.5194/acp-18-3779-2018.

Sarrat, C., J. Noilhan, P. Lacarrere, P. Ciais, H. Dolman, J. A. Elbers, C. Gerbig, B. Gioli, T. Lauvaux, F. Miglietta, B. Neininger, M. Ramonet, O. Vellinga, and J.-M. Bonnefond, J.-M. (2009), Mesoscale modelling of the CO2 interactions between the surface and the atmosphere applied to the April 2007 CERES field experiment, Biogeosciences, 6, 633-646, doi:10.5194/bg-6-633-2009.

Sarrat, C., J. Noilhan, P. Lacarrère, S. Donier, C. Lac, J. Calvet, A. Dolman, C. Gerbig, B. Neininger, P. Ciais, J. D. Paris, F. Boumard, M. Ramonet, and A. Butet (2007), Atmospheric CO2 modeling at the regional scale: Application to the CarboEurope Regional Experiment, Journal of Geophysical Research, 112(D12), doi:10.1029/2006jd008107.