Sentences with phrase «average sea level rise during»

Not exact matches

«Sea level observations are telling us that during the past 100 years sea level has risen at an average rate of 1.7 millimeters per year,» most of that due to thermal expansion as the top 700 meters of the oceans warms and expanSea level observations are telling us that during the past 100 years sea level has risen at an average rate of 1.7 millimeters per year,» most of that due to thermal expansion as the top 700 meters of the oceans warms and expansea level has risen at an average rate of 1.7 millimeters per year,» most of that due to thermal expansion as the top 700 meters of the oceans warms and expands.

Data indicate that during the 1997 - 98 El Nio the average sea level rose about eight - tenths of an inch before it returned to normal levels.

At the height of the last ice age, sea levels were about 120 metres below present day levels, and the average rise of sea level during the return to our present climate was about 1 metre per one hundred years.

You have «What is the likelihood that global average sea level will rise more during this century than the current worst - case scenario of the Intergovernmental Panel on Climate Change?»

This decade - long satellite altimetry data set shows that since 1993, sea level has been rising at a rate of around 3 mm yr — 1, significantly higher than the average during the previous half century.

The authors noted, Antarctica is projected to become almost ice - free with an average contribution to sea - level rise exceeding 3 m per century during the first millennium.

It found eight of the atolls and almost three - quarters of the islands grew during the study period, lifting Tuvalu's total land area by 2.9 percent, even though sea levels in the country rose at twice the global average.

«With cumulative fossil fuel emissions of 10,000 gigatonnes of carbon (GtC), Antarctica is projected to become almost ice - free with an average contribution to sea - level rise exceeding 3 meters per century during the first millennium.»

In all SRES scenarios, the average rate of sea - level rise during the 21st century very probably exceeds the 1961 to 2003 average rate (1.8 ± 0.5 mm / yr).

The global average rate of sea level rise measured by TOPEX / Poseidon satellite altimetry during 1993 to 2003 is 3.1 ± 0.7 mm yr — 1.

For the time interval during the LIG in which GMSL was above present, there is high confidence that the maximum 1000 - year average rate of GMSL rise associated with the sea level fluctuation exceeded 2 m kyr — 1 but that it did not exceed 7 m kyr — 1.

What the report said, according to Koonin, was» The report ominously notes that while global sea level rose an average 0.05 inch a year during most of the 20th century, it has risen at about twice that rate since 1993.»

Instead, total annual average ocean heat content has increased steadily during the hiatus, at quite a confronting rate given that this metric is closely tied to global sea - level rise.

Over the past decade, Greenland has contributed to sea level rise at an average rate of ~ 270 Gt / year, with a peak up to ~ 640 Gt during the extreme year of 2012.

The resolution is clearly not going to be that great and we can expect short periods during which the sea level will fall a bit, like during the Little Ice Age, and subsequently, periods in which the sea level rises a bit faster than «average,» like the period following the Little Ice Age.

Despite the surge in CO2 concentrations since 1900, the UN's Intergovernmental Panel on Climate Change (IPCC) has concluded that global sea levels only rose by an average of 1.7 mm / yr during the entire 1901 - 2010 period, which is a rate of just 0.17 of a meter per century.

Sea level rise has been minimal so far, with a global average of 17 centimeters (6 inches) during the last century.

In contrast, global temperature in at least the past two decades is probably outside the Holocene range (7), as evidenced by the fact that the Greenland and Antarctic ice sheets are both losing mass rapidly (8, 9) and sea level has been rising at a rate [3 m / millennium, (10); updates available at http://sealevel.colorado.edu/] well above the average rate during the past several thousand years.

None of these could have been caused by an increase in atmospheric CO2, Model projections of warming during recent decades have greatly exceeded what has been observed, The modelling community has openly acknowledged that the ability of existing models to simulate past climates is due to numerous arbitrary tuning adjustments, Observations show no statistically valid trends in flooding or drought, and no meaningful acceleration whatsoever of pre-existing long term sea level rise (about 6 inches per century) worldwide, Current carbon dioxide levels, around 400 parts per million are still very small compared to the averages over geological history, when thousands of parts per million prevailed, and when life flourished on land and in the oceans.

However, according to the IPCC AR5, the average rate of global sea level rise over the 21st Century will very likely exceed that observed during 1971 - 2010 for a range of future emission scenarios.

I don't know what «benchmark island» means, but the current best estimate of the rate of sea - level rise, averaged over the world during 2003 to 2008, is +2.5 millimetres / yr, give or take 0.4 mm.

Multi-model averages show that the temperature increases during 2090 - 2099 relative to 1980 - 1999 may range from 1.1 to 6.4 D and sea level rise from 0.18 to 0.59 meters.