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ALVICE
 
 

Rio Gallegos
The NDACC station “Observatorio Atmosférico de la Patagonia Austral (OAPA; Atmospheric Observatory of Austral Patagonia)” located in Río Gallegos in Argentina (51.600496°S, 69.31946°W) is equipped with a differential absorption lidar (DIAL) to measure stratospheric ozone profiles and with a SAOZ spectrometer to record total column of ozone and NO2. Moreover, a GUV-541 filter radiometer is installed to take measurements of solar UV radiation between other broadband radiometers.


You can also check out the  OAPA satellite view (google map).

The station is operated by the Lidar Division of CEILAP (Laser and Applications Research Center), which belongs to UNIDEF (MINDEF, (Ministerio de Defensa) and CONICET (Consejo Nacional de Investigaciones Científicas y Técnicas, Argentina)). Also, the CEILAP is associated with the French LATMOS through a collaboration agreement. The Nagoya University has a operational millimeter-wave radiometer for mesospheric ozone profile measurements, which is operated by the Lidar Division in the OAPA.

The OAPA site is part of the Lidar Division of CEILAP in South Patagonia. Since June 2005, a shelter with several lidar instruments developed in collaboration with LATMOS (CNRS) was deployed in this Patagonian city, 2600 km from Buenos Aires. During 2005 and 2007, with the financial support of JICA (Japan International Cooperation Agency), the SOLAR Campaign was held. The principal objective of this campaign was to study the ozone layer when the polar vortex overpassed the continental part of Argentina,in South America.
After the SOLAR campaign, different projects were developed in partnership with researchers from France, Japan and Chile. The main objectives of these projects are the measurement of various atmospheric parameters and stratospheric ozone profiles using lidar remote sensing techniques.
Río Gallegos is located at southern subpolar latitudes, making it a very interesting place to observe the perturbations that the ozone hole induces on midlatitude ozone vertical distribution. The only ground-based lidar experiments carried on in southern Latin America to observe the ozone profile are made in the CEILAP-RG station. The activity of this site permits monitoring of the evolution of ozone vertical distribution in the 12–45 km altitude range during the year.
The rate of measurements is once per week along the year, with an increasing number ofobservations during spring time coincident with the ozone hole season.

Contact information:
Dr. Eduardo Quel (PI), equel@citedef.gob.ar
Dr. Elian Wolfram (PI), ewolfram@gmail.com
Dr. Jacobo Salvador (PI), jacosalvador@gmail.com
CEILAP RÝo Gallegos website

 
 
 
 
         
                                                               

19 September 2016