Loading...
Please wait, while we are loading the content...
Similar Documents
Recalculated values of the total ozone amount over oslo, 60 deg n, for the period 1979-1992
| Content Provider | NASA Technical Reports Server (NTRS) |
|---|---|
| Author | Dahlback, Arne Tonnessen, Finn Svendby, Tove Larsen, Soren H. H. |
| Copyright Year | 1994 |
| Description | The total ozone amount over Oslo has been measured with the Dobson spectrophotometer No 56. The instrument was modified, calibrated, and intercompared in 1977 in Boulder. A new intercomparison was made in 1986 in Arosa. Much work has been done to make the zenith charts reliable. A new method has been introduced where one takes into account the change in the shape of the zenith chart curves which is caused by a change of the ozone profile when the ozone amount changes. According to the conclusion derived from the intercomparison in Arosa 1986, the instrument has not been stable. The R-N tables had to be altered, but not the Q-tables. We have tried to account for this change in our handling of the observation data. No statistical analyses of these data has yet been made, but the monthly averages of the raw data show a negative linear trend of about 4 percent for the whole period. |
| File Size | 239115 |
| Page Count | 4 |
| File Format | |
| Alternate Webpage(s) | http://archive.org/details/NASA_NTRS_Archive_19950004228 |
| Archival Resource Key | ark:/13960/t28964b67 |
| Language | English |
| Publisher Date | 1994-04-01 |
| Access Restriction | Open |
| Subject Keyword | Meteorology And Climatology Spectrophotometers Atmospheric Composition Ozone Depletion Norway Calibrating Annual Variations Ozone Trends Data Reduction Ozonometry Ntrs Nasa Technical Reports ServerĀ (ntrs) Nasa Technical Reports Server Aerodynamics Aircraft Aerospace Engineering Aerospace Aeronautic Space Science |
| Content Type | Text |
| Resource Type | Article |