ARQX Homepage

Quick links to interesting spots at this site

• Today's ozone and UV over Canada
• The archive of total ozone maps.
• Current ozone maps for Canada, the Northern Hemisphere, the Southern Hemisphere, and the globe.
• Year-to-date and archived graphs of ozone, ozonesonde profiles, UV index, measured by ARQX instruments.
• Ozone Depletion and Climate Change: Understanding the Linkages (34 pages, 3.3 Mb total, in Adobe® Acrobat® format).
• Ozone Science: A Canadian Perspective on the Changing Ozone Layer. The summary (8,000 words or the entire document (119 pages, 14 Mb total but divided into chapters, in Adobe® Acrobat® format).
• Arctic Ozone: The Sensitivity of the Ozone Layer to Chemical Depletion and Climate Change . (1.7 Mb, 32 pages, in Adobe® Acrobat® format).
• Year-to-date and archived graphs of ozone, ozonesonde profiles, UV index measured by ARQX instruments.

An Introduction to the Experimental Studies Unit (ARQX)

The Experimental Studies Unit (ARQX) of the Science and Technology Branch is part of Environment Canada and is located in Toronto. ARQX comprises three main areas of research interest: Space Studies, Ozone and UV Radiation Monitoring and Solar Radiation Studies. ARQX also houses the WMO/GAW World Ozone and UV Radiation Data Centre (WOUDC), .

		Ozone and UV Research and Monitoring			Solar Radiation Studies
		Space Experiments and Instrument Design			World Ozone and UV Radiation Data Centre (WOUDC)

Near real time data are available through the Internet via our FTP server. Special product files are prepared to assist researchers requiring particular data output products. Access to other related international data centres is available through the Related Links Page.

Some scientific papers and reports authored by ARQX staff members are available.

The people of ARQX are listed in the Government of Canada Electronic Directory Services.