A reader was complaining that my comparison of March GISS vs UAH wasn’t fair, because I’m not smart enough to know which data set is more valid.
OK, let’s assume I am a complete idiot – here is the same comparison of GISS vs. RSS.
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Disrupting the Borg is expensive and time consuming!
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You must understand Steve, and glc will confirm this, GISS leads satellite, except when it doesn’t, and GISS has better coverage anyway. Extrapolation, interpolation and making it up are much more accurate tools for measuring temperatures than using instrumentation.
Now people will say that the satellites are more affected by ENSO than the surface thermometers. This is true, but not by more than 1 C or so, LOL. Also, how much would ENSO affect Greenland?
-Scott
Most of Greenland is at high altitude, so TLT is pretty close to the snow surface.
NOTE: I replied to you with a new comment, if you care.
@Scott: Your question suggests you don’t already know this so I’m filling you in:
ENSO, or at least the El Nino/La Nina is a tropical event that basically affects surface waters at or near the equator. The “Southern Oscillation” part is a related atmospheric component which affects the tropical Pacific and Indian Ocean regions.
Greenland is in the North Atlantic. While there is a theory that sounds good which states that ENSO and other events (such as those in the Atlantic and others around the world) appear to be apparently at least somewhat connected, ENSO does not directly affect Greenland because it’s far, far away from Greenland.
LOOK UP: Teleconnection. While the idea that a butterfly flapping it’s wings in Brazil winds up causing a hurricane is utterly ridiculous, there do appear to be some connections between natural global weather/climate fluctuations, obviously.
An example of a connection is the theory, proven by observation to some extent, that when El Nino is strong the resulting winds over tropical parts of the Atlantic and/or the Gulf of Mexico where hurricanes form are also strong and often rip the tops off developing tropical storms before they get too strong or organized. When La Nina is present the winds, and this effect, are apparently diminished.
LOOK UP: Atlantic Multidecadal Oscillation, Arctic Oscillation, Quasi-biennial Oscillation, Indian Ocean Dipole. These, along with the other normal, natural climate patterns mentioned above (and also others not mentioned), have been around since long before humans started using fossil fuels and easily account for all the variations in weather, temperature and climate that are being blamed on human activities.
Personally I cannot understand how anyone would believe humans have usurped natural forces and are now exerting a controlling or dominating force over weather, temperatures and climate.