Sea levels to rise 1.1 metres by the year 3000

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cancel2 2022

Canceled
A new, first-of-its-kind comprehensive scientific analysis has shown that there is little to fear from rising sea levels driven by global warming. The likelihood is that the 21st century will see rises much like those of the 20th, and even in the worst possible case sea levels in 2100 will be far below those foreseen by alarmists.

There's a catch, of course: on a timescale of many centuries, serious alarmist-type rises in sea levels are to be expected. Even if humanity ceases all carbon emissions right now, in the year 3000AD the seas will have risen by 1.1m, according to Professor Philippe Huybrechts and his team.

sea_level_forecast.bmp


Read More: http://www.theregister.co.uk/2012/10/03/sea_level_rise_barely_30cm_by_2100/
 
http://iopscience.iop.org/1748-9326/7/4/045401/article


the actual study




6. Conclusion


Anthropogenic carbon dioxide is causing global warming and this will lead to irreversible sea-level rise on human timescales even when emissions were to reduce drastically to reach greenhouse gas stabilization in the atmosphere. Our model results indicate that a sea-level rise of at least 1.1 m by the year 3000 is already committed by the compounded effect of greenhouse gas buildup by the year 2000. Several metres more are likely unavoidable if measures to curb emissions drastically are not taken during the next few decades and greenhouse gas concentrations continue to rise to the levels implied by the SRES scenarios used in this study. This outcome is directly linked to the longevity of anthropogenic CO2 and the long response timescales inherent in the ocean and the ice sheets. On the millennial timescale, the results stress the dominance of melting of the Greenland ice sheet to future sea-level rise and the relative insensitivity of the Antarctic ice sheet as long as the mean annual warming over the ice sheet does not exceed 5–6 °C. Glaciers and ice caps are found to largely disappear within centuries irrespective of further increases of radiative forcing but the total implied sea-level rise is limited to less than 30 cm in the algorithm used here. Oceanic thermal expansion is only dominant for present-day conditions and the next few centuries but is never the main contributor to committed sea-level changes by the year 3000.

The results presented here are subject to uncertainties both in climate sensitivity and aspects of the ice models. Our preferred LOVECLIM model version had a low climate sensitivity and considered medium physical parameters for the ice sheets. However, strong relations were found between selected temperature indices and committed sea-level changes for all sea-level components across all model versions and all forcing scenarios. This implies that the established relations can be used to estimate first-order sea-level commitments given estimates of spatially resolved global temperature change. These could come from other Earth system models that do not include land ice components. Uncertainties of the ice sheet projections also arise from poorly constrained physics in prescribing ice-sheet mass balance, basal sliding conditions, and the effects of oceanic erosion of ice shelves and calving fronts. Such limitations are thought to be less crucial for the Greenland ice sheet than for the Antarctic ice sheet, but were not investigated further with the current model setup.
 
http://en.wikipedia.org/wiki/The_Register#Climate_Science_stance



Climate Science stance[edit]

The science section of the site, with its much more piecemeal coverage than the technology sections, has developed a reputation for stories promoting Climate change denial and Climate change skepticism, under the editorship of Lewis Page, a Cambridge engineering graduate who served as a Royal Navy sailor before writing a critical book,
 
1.1. meters????? You think that 3 feet is nothing? Why don't you research, the rate of evaporation. And how a few inches would increase pressure and thus rate of evaporation! We are talking torrential rains like never recorded!!!
 
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