Temperature trends with reduced impact of ocean air temperature

Temperature data 1900-2010 from meteorological stations across the world have been analysed and it has been found that all areas generally have two different valid temperature trends. Coastal stations and hill stations facing dominant ocean winds are normally more warm-trended than the valley stations which are sheltered from dominant oceans winds.
Thus in any area with some variation in the topography, we can divide the stations into the more warm trended OAA (Ocean Air Affected) stations, and the more cold trended OAS (Ocean Air Sheltered) stations. We therefore find that the distinction between Ocean Air Affected and Ocean Air Sheltered stations canbe used to identify the influence of the oceans on land surface temperatures and also as a tool to better study climate variability on the land surface without the moderating effects of the ocean.