Aerial view of the Maïdo atmospheric observatory
Lidar beam under the moon
Gas and aerosol inlet on the scientific terrace
Aerosol instrumentation
Range of instruments at OPAR
| Organization operating the facility | OSU-Réunion: LACy and UMS 3365 | |
| Maïdo Observatory | Ground-based atmospheric observatory for “hands-on” access (research projects, measurement campaigns, intercomparison exercises, workshops) | |
| Geographic coordinates of the facility | 21.07960°S 55.38410°E, 2160m asl | |
| Location of facility | Maïdo Observatory, 2020, route du Maïdo, Chemin de la Glacière 97423 Le Guillaume, La Réunion, France | |
| Equipment | Measurements | Network |
| Lidar | Temperature (Rayleigh-Mie-Raman, 2 Yags, 355 nm) | NDACC |
| Lidar | Water vapor (Raman, 2 Yags, 355 nm) | Candidate NDACC |
| Lidar | Stratospheric ozone lidar (DIAL, Excimer 308 nm, Yag 355 nm) | NDACC |
| Lidar | Tropospheric ozone lidar (DIAL, Yag 289 and 316 nm) | Candidate NDACC |
| Lidar | Wind (Doppler, Yag 532 nm) | CAL/VAL ADM AEOLUS |
| FTIR | Total & partial columns of greenhouse and reactive gases (CH4, N2O, CO, HCl, HF) | NDACC (collaboration with IASB, Belgium) |
| Mobile radiosounding capacity during campaigns | Modem or Vaïsala sondes for meteorological parameters, ozone (ECC), water vapor (CFH sonde), aerosols (COBALD or LOAC sonde) | NDACC, SHADOZ, GRUAN |
| In-situ analyser | Picarro 4Gaz: CO2, CO, CH4, H2O | ICOS |
| In-situ analyser | Picarro WV isotopes: water vapor isotopes | Collaboration with LSCE & IRD (Gif/Yvette, France) |
| In-situ analyser | Thermo-E: O3, NOx, SO2 | GAW (regional station) |
| In-situ analyser | CPC3775 (Condensation Particle Counter) | ACTRIS |
| In-situ analyser | Aethalometer | ACTRIS |
| In-situ analyser | Scanotron (SMPS – mini CCNC – CPC3010) | ACTRIS |
| In-situ analyser | OPS (Optical Particle Sizer) | ACTRIS |
| Mobile Microtops | Multiwavelength optical depth, total aerosol | |
| Disdrometer | Drop size distribution and velocity of falling hydrometeors | |
| Lightning detection | Lightning stroke positions | WWLLN |
| Rapid Camera | Transient Luminous Events (TLE) | Collaboration with LA (Toulouse, France) |
| Fish-eye Camera | All sky camera | |
| Radiometer | Thermal Infrared Radiometer for cirrus detection | Collaboration with LOA (Lille, France) |
| Optical Depth Sensor | Opacity due to dust and cirrus | Collaboration with LATMOS (Paris, France) |
| GPS station | Total water vapor column | GNSS |
| Acoustic Antenna | Array of microbarometers for infrasound detection | Collaboration with CEA/DAM 'Arpajon, France) |
| Meteorological station | Meteorological parameters | |
| Observation facility at University | Campus university station | |
| Geographic coordinates of the facility | Saint Denis | |
| Location of facility | OSU-Réunion, Université de La Réunion, Bâtiment S4B, 15, avenue René Cassin CS 92003, 97744 Saint-Denis Cedex 9, La Réunion, France | |
| Equipment | Measurements | Network |
| Spectrometer | UV spectrometer | NDACC, collaboration with LOA (Lille, France) |
| Spectrometer | Système d'Analyse par Observations Zénithales (SAOZ): mean values of total ozone and nitrogen dioxide both at sunrise and sunset on a daily basis | NDACC |
| FTIR | Total & partial columns of many molecules | TCCON (collaboration with IASB, Belgium) |
| Sun Photometer CIMEL | Aerosol Optical Depth | AERONET (NASA) |
| Lidar | Aerosols (Yag, 355 nm) | ACTRIS |
| Observation facility at Météo-France | Gillot station | |
| Geographic coordinates of the facility | Airport / Gillot | |
| Location of facility | Météo-France station at airport / Gillot | |
| Equipment | Measurements | Network |
| Radiosounding capacity | Weekly ozone radiosounding | NDACC & SHADOZ (NASA) |