In this issue
- Sven-Erik Gryning: How does smoke spread over a city – impressions from a field campaign
- Roberto San Jose: The Environmental software and modeling group at the computer science school, Technical University of Madrid
- Saso Manasov: A System for water monitoring and sustainable management based on ground station and satellite images
- Front cover: Some measuring sites of the BUBBLE experiment (Basel, June-July 2002) - stret canyon and roof lever views.