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James Sexton says:
“The new study is using a complementary approach, called semi-empirical, that is based on using the connection between observed temperature and sea level during past centuries in order to estimate sea-level rise for scenarios of future global warming.”
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What a fantastic claim! They used the plural? As in we have empirical knowledge of global temps and sea level for more than one century? No we don’t. We don’t even have empirical knowledge of our last century’s temps and we certainly don’t for our sea levels. Semi-empirical? More like more of the delusional fantasies of a dying occupation of sooth-saying.
We can’t even use our satellite date for such calculations because they keep moving the numbers around. Forget what they did with Envisat. That was just the warmup. Here’s my latest look at Jason II. It includes the last 4 screen captures I did with Aviso. http://suyts.wordpress.com/2012/06/17/jason-ii-the-changeling/ They keep moving the numbers!
How doesn’t one calculate anything when the numbers they’re using are dynamic? I’d be most interested in seeing what they used for calculating temps, and sea levels.
See # 14 for an observation from a researchers about the Data manipulation.....
“What a fantastic claim! They used the plural? As in we have empirical knowledge of global temps and sea level for more than one century? No we don’t. We don’t even have empirical knowledge of our last century’s temps and we certainly don’t for our sea levels. Semi-empirical? More like more of the delusional fantasies of a dying occupation of sooth-saying.”
http://en.wikipedia.org/wiki/Current_sea_level_rise
On the timescale of years and decades, sea level records contain a considerable amount of variability.[22] For example, approximately a 10 mm rise and fall of global mean sea level accompanied the 1997–1998 El Niño-Southern Oscillation (ENSO) event. Interannual or longer variability is a major reason why no long-term acceleration of sea level has been identified using 20th century data alone. However, a range of evidence clearly shows that the rate of sea level rise increased between the mid-19th and mid-20th centuries.[23] Evidence for this includes geological observations, the longest instrumental records and the observed rate of 20th century sea level rise. For example, geological observations indicate that during the last 2,000 years, sea level change was small, with an average rate of only 0.0 to 0.2 mm per year. This compares to an average rate of 1.7±0.5 mm per year for the 20th century.
For the past 6,000 years, the world’s sea level gradually approached the current level. During the previous interglacial about 120,000 years ago, sea level was for a short time about 6 metres (20 ft) higher than today, as evidenced by wave-cut notches along cliffs in the Bahamas. There are also Pleistocene coral reefs left stranded about 3 metres above today’s sea level along the southwestern coastline of West Caicos Island in the West Indies. These once-submerged reefs and nearby paleo-beach deposits indicate that sea level spent enough time at that higher level to allow reefs to grow (exactly where this extra sea water came from—Antarctica or Greenland—has not yet been determined). Similar evidence of geologically recent sea level positions is abundant around the world.