Surface-Based Remote Sensing of the Atmospheric Boundary Layer
Description
The book presents a comprehensive overview of the current state-of-the-art in the atmospheric boundary layer (ABL) research. It focuses on experimental ABL research, while most of the books on ABL discuss it from a theoretical or fluid dynamics point of view.
Experimental ABL research has been made so far by surface-based in-situ experimentation (tower measurements up to a few hundred meters, surface energy balance measurements, short aircraft experiments, short experiments with tethered balloons, constant-level balloons, evaluation of radiosonde data). Surface flux measurements are also discussed in the book. Although the surface fluxes are one of the main driving factors for the daily variation of the ABL, an ABL description is only complete if its vertical structure is analyzed and determined. Satellite information is available covering large areas, but it has only limited temporal resolution and lacks sufficient vertical resolution. Therefore, surface-based remote sensing is a large challenge to enlarge the database for ABL studies, as it offers nearly continuous and vertically highly resolved information for specific sites of interest.
Considerable progress has been made in the recent years in studying of ground-based remote sensing of the ABL. The book discusses such new subjects as micro-rain radars and the use of ceilometers for ABL profiling, modern small wind lidars for wind energy applications, ABL flux profile measurements, RASS techniques, and mixing-layer height determination.
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Person
Prof. Dr. Stefan Emeis is a meteorologist and has been working in his profession for more than 30 years. His main topics are measuring and modelling wind profiles, turbulence, and the stratification of the atmospheric boundary layer. He utilizes ground-based remote sensing techniques (SODAR, RASS, Ceilometer) and numerical simulation models (MM5, WRF). He completed his PhD at Bonn University in 1985 and his postdoctoral thesis at Karlsruhe University in 1994. In 1991 he spent his three-month sabbatical leave at the Danish National Laboratory's Institute for Wind Energy in Risø. Since 1995 he has been working at the Institute for Meteorology and Climate Research in Garmisch-Partenkirchen, which today forms part of the Karlsruhe Institute of Technology. Prof. Dr. Emeis currently gives lectures on meteorological measurement techniques at Cologne University. Since 1992 he has been involved in the publication of Meteorologische Zeitschrift, and since 2007 he has served as deputy editor-in-chief of this journal.
Content
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.
