ISO INTERNATIONAL STANDARD 28902-1 First edition 2012-01-15 Air quality Environmental meteorology - Part 1: Ground-based remote sensing of visual range by lidar Qualite de I'air- Meteorologie de I'environnement- Partie 1: Téledétection de la portee visuelle par lidar basée sur le sol Reference number ISO 28902-1:2012(E) LSO @ ISO 2012 ed without license from IHS Not for Resale ISO 28902-1:2012(E) COPYRIGHTPROTECTEDDOCUMENT ISO2012 All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form or by any means, electronic or mechanical, including photocopying and microfilm, without permission in writing from either ISO at the address below or ISO's member body in the country of the requester. ISO copyright office Case postale 56 · CH-1211 Geneva 20 Tel. + 41 22 749 01 11 Fax + 41 22 749 09 47 E-mail [email protected] Web www.iso.org Published in Switzerland @ ISO 2012 -All rights reserved etworking permitted without license from IHS Not for Resale ISO 28902-1:2012(E) Contents Page Foreword ..iv Introduction 1 Scope. 2 Normative references 3 Terms and definitions. 4 Symbols and abbreviated terms 4.1 Symbols.... 4 4.2 Abbreviated terms.. .6 5 Fundamentals of visual-range lidar. 6 5.1 General... 6 5.2 Concept of visual-range lidar measurements .9 6 Requirements .... ..12 6.1 Measurement variables.. 12 6.2 Target variables.. 12 6.3 Specifications and minimum requirements of performance characteristics. 12 7 Measurement planning and site requirements. .17 8 Measurement procedure .18 8.1 General. 18 8.2 Maintenanceandoperationaltest 18 8.3 Applications and measurement procedure. 18 9 Signal evaluation... 20 9.1 Klett-Fernald algorithm 20 9.2 Evaluation range.. 21 9.3 Uncertainty. 21 10 Interferences, 22 Annex A (informative)Alternative data evaluation .23 Annex B (informative) Calibration by the manufacturer Annex C (informative) Further applications .28 Bibliography. .29 ili Not for Resale