Skip Navigation Links Network for the Detection of Atmospheric Composition Change weather.gov
NOAA logo - Click to go to the NOAA homepage   NWS logo - Click to go to the NWS homepage
Navigation Bar Left Cap
Navigation Bar End Cap
NDACC Logo
 
 
 
 
 
 
Home > NDACC Spectral UV Instrument Working Group > Long Term Changes in UV

Long Term Changes in UV

The plot below illustrates that compared with seasonal and geographic differences in UV radiation, any trends at these three NDACC sites due to long-term ozone changes have been small since the 1990s when measurements began. Note that at Lauder prior to 1998 observations were not taken during precipitation, so the mean daily doses for this period are larger than for subsequent periods.

Figure. Time series of erythemally weighted UV at three NDACC sites



NOAA/ National Weather Service
National Centers for Environmental Prediction
Climate Prediction Center
5830 University Research Court
College Park, MD 20740
CPC NDACC Internet Services Team
Disclaimer
Credits
Glossary
Privacy Policy
About Us
Career Opportunities
Page last modified: Thursday, 12-Nov-2009 21:19:52 UTC