1. Introduction.- 2. Analytical description and vertical structure of the ABL.- 3. Basic principles of surface-based remote sensing.- RADAR.- SODAR.- RASS.- LIDAR.- Radiometers.- 4. Applications.- Vertical layering of the ABL.- Vertical profiles of atmospheric variables.- Vertical flux profiles.- Regional and local flow systems.- Conclusions on the applicability of ground-based remote sensing for ABL research and monitoring.- 5. Outlook.- Appendix: History of ISARS conferences.- Glossary.- Index.