re: REPORT: Updated NASA Data NO Polar Ice Retreat

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An article about an article from 2015 that has been debunked quite thoroughly? Interesting.
And here is the article being torn apart for anyone interested.
LINK

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Sorry can't hear you with all the echoing going on in my head.

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echo chamber of ridcolusness

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A 1000-Year Record of Spring Sea Ice Conditions in Baffin Bay

A statistically significant shift in sea-ice conditions in the Penny Ice Cap record was noted to occur around 1420 AD, such that enhanced sea ice conditions have prevailed in this region of the Arctic during the past 600 years, as opposed to the reduced sea-ice conditions characteristic of the 11th through 14th centuries. As for the past 100 years, the authors note that "despite warmer temperatures during the turn of the century, sea-ice conditions in the Baffin Bay/Labrador Sea region, at least during the last 50 years, are within "Little Ice Age" variability."

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Has Arctic Sea Ice Rapidly Thinned?

Holloway, G. and Sou, T concluded that the volume estimated in 2000 is close to the volume estimated in 1950.

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Arctic Sea Ice: Is It Really Melting Away?

author analyzed data pertaining to the thickness of Arctic sea ice obtained from six submarine cruises conducted between 1991 and 1997. The data were acquired from transects covering the central Arctic Basin from 76° N to 90° N, as well as from two areas that have been particularly densely sampled, one centered around the North Pole (>87° N) and one in the central part of the Beaufort Sea (centered at approximately 76° N, 145°W).

What was learned
Transect data across the entire Arctic Basin revealed that mean Arctic sea ice thickness remained "almost constant" over the period of study. Data from the North Pole showed little variability, and a linear regression of the data revealed a "slight increasing trend for the whole period." As for the Beaufort Sea region, annual variability in sea ice thickness was greater than at the North Pole; but once again, "no significant trend" in mean ice thickness was found. Combining the North Pole results with the results of an earlier study, the author concluded that "mean ice thickness has remained on a near-constant level around the North Pole from 1986 to 1997."

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Sea Level (Southern Hemisphere Measurements)

Angulo, R.J., Lessa, G.C. and de Souza, M.C. 2006.

What was done

The authors conducted a critical review of paleo-sea-level assessments made along the eastern coast of Brazil over the past 35 years based on more than a thousand radiocarbon-dated sea-level indicator samples from fourteen coastal sectors.

What it means

Sea level appears to have been slowly dropping along the eastern coast of Brazil for several thousand years; but Angulo et al. say "it cannot be ruled out, however, that the late Holocene sea-level fall in Brazil underwent small-scale (few decimeters) oscillations, such as those proposed by Baker et al. (2001) for southeast Australia." This possibility takes on increased importance in view of claims of possible sea-level rise associated with human-induced global warming. If, for example, sea-level has oscillated somewhat over this period, it is possible that the sea-level's current modest rising mode may be nothing more than a small portion of a natural oscillation having nothing to do with the ongoing rise in the air's CO2 content, which casts a pall of suspicion over climate-alarmist claims that the continued burning of fossil fuels will lead to the inundation of low-lying coastal areas and islands.

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Sea Level (North American Measurements)


The latest study to illustrate this glaring discrepancy comes from the work of Watson (2016). Providing context for his analysis, the Australian researcher writes that "with the very ethos of the climate change science and projection modelling underpinned by necessary and significant accelerations in mean sea level, numerous works in the scientific literature have been dedicated to measuring accelerations that might provide improved instruction on the future sea level trajectory." However, he argues that the methodologies used in many of these prior works have inherent limitations that "have largely proven inadequate in charting the subtle temporal changes in the characteristics of mean sea level." As a result, debate continues to reign on whether or not model projections of sea level rise are in line with observations.

Taking a new approach to the subject, Watson provides what he calls "an updated appraisal of acceleration in mean sea-level records around the continental United States through use of a recently developed analytical package," which he says has been "specifically designed to substantially enhance estimates of trend, real-time velocity, and acceleration in relative mean sea level derived from contemporary ocean-water-level data sets." In all, data from 29 locations around the US were utilized, each of which records contained a minimum of 80 years of length.

Watson reports that "at the 95% confidence level, no consistent or substantial evidence (yet) exists that recent rates of rise are higher or abnormal in the context of the historical records available for the United States, nor does any evidence exist that geocentric rates of rise are above the global average." In other words, there is nothing unusual, unnatural or unprecedented about current rates of sea level rise along the US coast, which rates continue to be at odds with model projections of future sea level rise

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