Read This First!

Here are a few hints and tips to help you around the tour before you start.

Finding your way around the Ozone Tour

The best approach is to follow Parts I, II, III and IV in sequence as there are some terms and information described in the early sections that are referred to in the later sections. However, if you just want to 'dip in', that's fine. Each section is not very long and is broken down into various subsections for clarity.

The Glossary Doubtless some of the terms and words used might be unfamiliar. For this reason, we provide a 'glossary' which can be found on the buttons on the bottom of the each page of the tour. Also, key terms and phrases in the text are linked to explanations in the glossary. If you click on these phrases, you open the glossary at that phrase. The glossary opens in a separate window so that you can keep it for reference whilst you read the Ozone Tour.

HTML Features

These web pages were tested using Netscape v3 and will probably display best using Netscape v3 or later. Many of the pages on this tour use more HTML features like tables for formatting, and variable-pitch fonts to display equations. Some old browsers have trouble interpreting these, and don't display them correctly.

Inlined Images

All the inlined images in this tour are GIFs. Many are thumbnails, i.e. minatures: clicking on a thumbnail will bring back a larger copy of the image.

ClONO2 Collar on March 03 1995

Movies

There are a number of movies on this presentation and we use three different formats:

InLine: This is where the browser continually reads the images and updates it. Gives bigger and better animation than mpeg movies but it needs a connection to a fast network. The advantage is that you don't need a helper application or a plugin setup for your browser. You'll need Netscape 1.1 or better, or another browser which supports dynamic documents, as well as a fast network connection! Don't try this with a browser which doesn't support dynamic documents - you'll get nowhere very slowly ...

MPEG: Mpeg movies are quite small, but tend to be of poor quality for computer-generated images such as the ones in this tour. You will need an mpeg player set up for your browser. Check your 'Helper Applications' in your 'Options' menu for your browser.

QuickTime: Apple Computer's QuickTime movie format is rapidly becoming a standard for efficient animation on the web. To play quicktime movies, you need the quicktime plugin for Apple Macs and PCs - or on a Mac save the file and use MoviePlayer. For Unix machines, you need the xanim program configured as a helper application. Check your browser's Preferences.

Here are two example movie links:

Evolution of ClONO₂ over the North Pole during winter 1994
(3.4 Mb)

Evolution of ClONO₂ over the North Pole during winter 1994 (small)
(554 Kb)

Evolution of ClONO₂ over the North Pole during winter 1994 (large)
(1.2Mb)

Virtual Reality Models

VRML: You may have heard of VRML - a virtual reality modelling language for the WWW. Some VRML stills of output of the model runs are included in this presentation. To view them (and it's well worth it!) we use the WebSpace software - but there are others. Take a look at Silicon Graphics' WebSpace page.

Here is an example VRML link:

ClONO₂ Collar over the Northern Hemisphere
(97 Kb / 2000 polys)

Now Start the Tour!

© 1998. Centre for Atmospheric Science, Cambridge University, UK. No text or graphics can be used or reproduced without explicit written permission. This version designed and maintained by Dr. Glenn Carver. Original concept and design Owen Garrett.

		InLine: This is where the browser continually reads the images and updates it. Gives bigger and better animation than mpeg movies but it needs a connection to a fast network. The advantage is that you don't need a helper application or a plugin setup for your browser. You'll need Netscape 1.1 or better, or another browser which supports dynamic documents, as well as a fast network connection! Don't try this with a browser which doesn't support dynamic documents - you'll get nowhere very slowly ...
		MPEG: Mpeg movies are quite small, but tend to be of poor quality for computer-generated images such as the ones in this tour. You will need an mpeg player set up for your browser. Check your 'Helper Applications' in your 'Options' menu for your browser.
		QuickTime: Apple Computer's QuickTime movie format is rapidly becoming a standard for efficient animation on the web. To play quicktime movies, you need the quicktime plugin for Apple Macs and PCs - or on a Mac save the file and use MoviePlayer. For Unix machines, you need the xanim program configured as a helper application. Check your browser's Preferences.