Ocean heat content in upper 2,000 metres
relative to 1981-2010 average (zettajoules)
200
100
0
-100
-200
1960
1970
1980
1990
2000
2010
2020
Ocean heat content in upper 2,000 metres relative to 1981-2010 average (zettajoules)
200
100
0
-100
-200
1960
1965
1970
1975
1980
1985
1990
1995
2000
2005
2010
2015
2020