http://psc.apl.uw.edu/wordpress/wp-content/uploads/schweiger/ice_volume/ PIOMAS.2sst.monthly.Current.v2.1.txt The data presented here show the first 365 days of the year. Volume is given in 10^3 km3 ==>Volume time series and uncertainties: Schweiger, A., R. Lindsay, J. Zhang, M. Steele, H. Stern, Uncertainty in modeled arctic sea ice volume, J. Geophys. Res., doi:10.1029/2011JC007084, 2011 ==>Model details: Zhang, J.L. and D.A. Rothrock, “Modeling global sea ice with a thickness and enthalpy distribution model in generalized curvilinear coordinates“, Mon. Weather Rev., 131, 845-861, 2003 year annual ave 1979 25.426 1980 24.681 1981 22.278 1982 21.701 1983 23.381 1984 22.926 1985 23.083 1986 23.876 1987 24.186 1988 23.520 1989 23.159 1990 22.459 1991 22.632 1992 22.956 1993 22.005 1994 22.330 1995 20.346 1996 21.095 1997 21.628 1998 21.051 1999 20.429 2000 19.667 2001 20.116 2002 19.640 2003 19.009 2004 18.488 2005 17.915 2006 17.255 2007 15.509 2008 16.604 2009 16.119 2010 14.526 2011 13.711 2012 13.550 2013 14.403 2014 15.281 2015 15.403 2016 13.630 2017 12.890 2018 13.861 2019 13.516 2020 13.522