Reference Mean Sea Level

This is our most recent (as of February 2011) update to our GMSL time series. The paper describing this update should be published in Surveys in Geophysics in 2011. See http://www.cmar.csiro.au/sealevel/sl_data_cmar.html for more information as it becomes available. Monthly and yearly time series are provided in text (.txt) format and also .csv format, which should open up easily into spreadsheet programs such as Microsoft Excel. The reconstructed time series are zeroed at 1990. The satellite altimeter time series match the reconstructed time series over 1993. This way of matching the time series is a choice that we have made - there may be a more appropriate way of doing this for your application. Files are: CSIRO_Recons_gmsl_mo_2011.txt & .csv Reconstruction, 1880 to 2009, monthly CSIRO_Recons_gmsl_yr_2011.txt & .csv Reconstruction, 1880 to 2009, yearly CSIRO_ALT_gmsl_mo_2011.txt & .csv Satellite altimeter data, 1993 to 2009, monthly CSIRO_ALT_gmsl_yr_2011.txt & .csv Satellite altimeter data, 1993 to 2009, yearly The 'Recons' files have three columns: Column 1: time Column 2: GMSL in millimetres Column 3: one standard deviation uncertainty in millimetres. The 'ALT' files have two columns: Column 1: time Column 2: GMSL in millimetres We normally use ~5mm for the uncertainty for this data. Time formats are: Monthly files: 1880.0417 = Jan 1880 1880.1250 = Feb 1880 . . 1880.9583 = Dec 1880 etc Yearly files: 1880.5 = yearly average for calendar year 1880 1881.5 = yearly average for calendar year 1881 etc Contact me at [e-mail] if you have any queries about this. Neil White CSIRO Marine and Atmospheric Research 3rd February, 2011