THESEO 2000 News

THESEO 2000 bulletin board

Mails sent to the address theseo2000@nilu.no will be sent to everybody on the THESEO 2000 mail list and posted on the bulletin board automatically. This address should be used for news of interest to the THESEO 2000/SOLVE community.

PSC alerts should be sent to psc_alert@nilu.no The message will then be forwarded to the THESEO 2000/SOLVE community and be posted on the bulletin board.

Philippe Busquin, Commissioner responsible for research, visited Kiruna on 22 January.

See photos and read here

Read here about the ozonesonde launched by Commissioner Busquin

News Stories

More than 60% ozone loss at 18 km altitude by the end of March 2000

5 April. At an altitude of about 18 km above the ground more than 60% of the ozone was destroyed between early January and late March. Click here for more details.

Press release on Arctic ozone released in Brussels on 5 April 2000.

Presentation of the THESEO 2000 - EuroSOLVE project in Brussels on 3 April 2000.

31.3.2000: Reports from the THESEO 2000 - EuroSOLVE project:

ASUR measurements were carried out on 27-28 February and 8 March. The data show clear signs of chlorine activation and ozone depletion.

Click here to read more.

The fourth HALOZ flight took place on 8 March 2000. Click here to read more.

A SAOZ/Descartes/LABS/O3-UCAM flight took place on 7 March 2000. Click here to read more.

5. March. Second report on results from the Match ozonesonde campaign. Click here to read the report from Markus Rex and Peter von der Gathen.

1. March. The second flight of the TRIPLE gondola took place early in the morning on March 1st. Click here to read the report.

25. February. First report on results from the Match ozonesonde campaign. Click here to read the report from Markus Rex and Peter von der Gathen.

Successful second flight of SALOMON on 22 February 2000

18. February. Successful flight with the LPMA/DOAS payload. Click here to read the story.

Click on image to read story on MIR launches.

TRIPLE payload just after launch. Click on image to read the story.

Two infrared montgolfières were launched from ESRANGE on 18 February 2000. Click here to read story. Updates from 21 and 24 Feb. 2000.

The TRIPLE payload was successfully launched on 27 January 2000. Click here to read the full story.

HALOZ/Dirac launched on 19 and 27 January 2000.

Click here to read the full report and for more photos.

Spectacular PSCs were observed over Kiruna on Wed 26 January 2000. Click here to see whole story and more photos.

Pilot Dee Porter explains to the press how it is to fly the ER-2 high altitude aircraft. Click here to read the story and see more photos.

Successful flight with the PSC analysis balloon payload on 25 January 2000

Successful flight of SALOMON on 23 January 2000

Elevated amounts of ClO observed by the ASUR instrument on 23 January 2000

Activation observed in mid January with the ASUR instrument of University of Bremen. These measurements confirm the theoretical calculations obtained with the Reprobus chemical transport model (see next story below).

Click here to read more about the ASUR results.

Area of PSCs. Click on image to read more.

Record high area with T<T_NAT from ECMWF analyses. Activation calculated by the Reprobus 3-D chemical transport model.

Click here to read the story.

Mother of pearl cloud over Kiruna. Click to see more photos.

PSCs (mother of pearl clouds) over the Oslo area on December 1st.

PSCs over Kiruna on 11 January. Photos by Cornelius Schiller.

Press Release from NASA on 11 Jan, 2000 on media week in Kiruna.

Press release from European
Commission on 7. Jan. 2000

Press release from ESA on low ozone over Europe. 2. Dec. 1999

Updated on 5 Appril 2000 by Geir Braathen, NILU