The impact of the recent change in sea surface temperature datasets is discussed here. (wattsupwiththat.com)
The two satellite datasets show similar trends — as more roughly do the various surface temperature datasets — as documented in so many peer - reviewed studies. (fabiusmaximus.com)
NOAA infills missing data for both land and sea surface temperature datasets using methods presented in Smith et al (2008). (wattsupwiththat.com)