Atmospheric methane at Zeppelin Station in Ny-Ålesund: Presentation and analysis of in situ measurements
Abstract
In situ methane (CH4) measurement techniques and data from the Zeppelin Station in Ny-Ålesund on Svalbard (N 78° 54′ E 11° 53′) on Mt. Zeppelin (475 m.a.s.l) are presented. The data span the time period from October 1998 to December 2003, though not continuously. The daily mean was calculated from 96 samples per day which are analysed by