Share Email Print

Proceedings Paper

Evaluation of CO2, water vapor, and their turbulent exchange rates with an airborne open-path infrared gas analyzer
Author(s): Werner K. Graber; Markus Furger
Format Member Price Non-Member Price
PDF $14.40 $18.00
cover GOOD NEWS! Your organization subscribes to the SPIE Digital Library. You may be able to download this paper for free. Check Access

Paper Abstract

The methodology of evaluating the exchange rates of CO2 and water vapor between vegetation and the atmosphere is presented. The two gases are measured with a short open path, fast responding infrared absorption gas analyzer. To determine the turbulent fluxes due to large scale eddies, high resolution wind measurements are obtained with a five-hole pressure sonde and a fast GPS (Global Positioning System) receiver. Measurements taken over Monte Bodone near Trento, Italy, a plateau in the Alps, are evaluated. The CO2 and water vapor budgets for the air layer above a few square kilometers were calculated and exchange rates for H2O and CO2 with the vegetation were estimated.

Paper Details

Date Published: 16 September 1999
PDF: 7 pages
Proc. SPIE 3821, Environmental Sensing and Applications, (16 September 1999); doi: 10.1117/12.364176
Show Author Affiliations
Werner K. Graber, Paul Scherrer Institute (Switzerland)
Markus Furger, Paul Scherrer Institute (Switzerland)

Published in SPIE Proceedings Vol. 3821:
Environmental Sensing and Applications
Michel R. Carleer; Moira Hilton; Torsten Lamp; Rainer Reuter; George M. Russwurm; Klaus Schaefer; Konradin Weber; Klaus C. H. Weitkamp; Jean-Pierre Wolf; Ljuba Woppowa, Editor(s)

© SPIE. Terms of Use
Back to Top