Sentences with phrase «higher than today»

The median home value tipping point for the U.S. is $ 467,772, or nearly 70 percent higher than today's median value of $ 280,103.

• FHA Streamline Refinance: If you owe more on your mortgage than your home is worth, or your current mortgage rate is higher than today's mortgage rate, then this is a good option for you.

The amount needed for retirement or college 20 years from now is likely to be significantly higher than today.

These reconstructions also suggest that mean annual precipitation was up to 50 mm higher than today.

For the largest part of the past 500 million years atmospheric CO2 has been significantly higher than today, with temperatures warming and cooling independently of CO2.

In Alaska, summer temperatures were 1 to 2oC higher than today, but winters were 1 to 3oC cooler; in Greenland, summers were up to 5oC warmer than present.

Thus overall demand in 2030 is 10 % higher than today absent the CPP, and 5 % with it.

«The last time it was that warm was in the middle Pliocene, about three million years ago, when sea level was estimated to have been about 25 meters [80 feet] higher than today.»

Although CO2 levels during the Cretaceous were much higher than today, that was the time that coccolithophores were building enormous layers of chalk, like the white cliffs of Dover.

As solar luminosity gradually increased through time, concentrations of greenhouse gases would have to have been much higher than today.

If you go back 14,000 - 12,000 years temps spiked to temperatures higher than today's during that time, and if you go back in time 15,000 years before that, there's a similar spike in temps.

Precipitation levels also were found to be several times higher than today.

They warn that average temperatures across Britain will reach 3C higher than today, peaking at 5C higher in the south - east.

This was a warm climate, comparable to our Holocene, during which sea levels were several meters higher than today's, even though CO2 concentrations remained much lower than today's postindustrial level.

(Regional temps could be 14 C higher than today.)

The IPCC overstates temperature feedbacks to such an extent that the sum of the high - end values that it has now, for the first time, quantified would cross the instability threshold in the Bode feedback equation and induce a runaway greenhouse effect that has not occurred even in geological times despite CO2 concentrations almost 20 times today's, and temperatures up to 7 ºC higher than today's.

In the prior inter-glacial period about 125,000 years ago, there was no summer ice at the North Pole and the sea level was 15 feet (5m) higher than today.

The mid-Cretaceous was characterized by geography and an ocean circulation that was vastly different from today; as well as higher carbon dioxide levels (at least 2 to 4 times higher than today).

4 million years ago, under CO2 levels a little higher than today, boreal forests extended as far north as northern Ellesmere Island (see Tedford & Harington, 2003 in Nature vol.

In primeval times, the amount of carbon dioxide was ten times higher than today's levels — at the same time there was an explosion of flora and fauna.

Since no such effect has been observed or inferred in more than half a billion years of climate, since the concentration of CO2 in the Cambrian atmosphere approached 20 times today's concentration, with an inferred mean global surface temperature no more than 7 ° K higher than today's (Figure 7), and since a feedback - induced runaway greenhouse effect would occur even in today's climate where b > = 3.2 W m — 2 K — 1 but has not occurred, the IPCC's high - end estimates of the magnitude of individual temperature feedbacks are very likely to be excessive, implying that its central estimates are also likely to be excessive.

At this time in the Miocene, there were no major ice sheets in Greenland, sea level was several meters higher than today's (envision a very skinny Florida), and temperatures were several degrees higher.

The past has been much warmer and better off, CO2 levels in the geological past were 3 - 4 TIMES higher than today.

Fifty million years ago, CO2 levels may have topped 1000 parts per million by volume (ppmv) and sea levels were about 50 meters higher than those today.

The research reports on our reconstruction of climate for Ellesmere Island in the Canadian high Arctic where we show that temperatures 4 to 5 million years ago were ~ 19C higher than today, at a time when atmospheric CO2 levels were very close to those today (~ 390ppm vs ~ 387ppm in 2009 from the Mauna Loa, Hawaii record: http://www.esrl.noaa.gov/gmd/ccgg/trends/)

I see no reason why tropical rainforests will die when paleoclimate data tells us that they covered more area in the time when temperatures where higher than today.

They used an algorithm to count the number of tropical cyclones that formed in each ocean basin in the world of 2080 - 2099, when the assumed SSTs were 2.5 C higher than today's (IPCC A1B scenario).

FACT 3 Support: http://climatesight.org/the-credibility-spectrum/#comment-3402 Kate, you and climatesight visitors may be interested in this research article... we show that temperatures 4 to 5 million years ago were ~ 19C higher than today, at a time when atmospheric CO2 levels were very close to those today (~ 390ppm vs ~ 387ppm in 2009 from the Mauna Loa, Hawaii record: http://www.esrl.noaa.gov/gmd/ccgg/trends/)

since the middle Pliocene Epoch three million years ago when sea level may have been 25 meters or 80 feet higher than today

Additionally, the climate sensitivity in Hansen's 1988 model (4.2 °C global warming for a doubling of atmospheric CO2) was a bit higher than today's best estimate (3 °C warming for CO2 doubling).

Ianash, the world's corals have had long periods in the not too distant past when CO2 was far higher than today, and ocean pH therefore considerably lower.

It always wondered me how they can know that Medieval temperatures were not higher than today, because of the «optimum» temperature for tree ring growth...

In the prior inter-glacial period about 125,000 years ago, there was no summer ice at the North Pole and the sea level was over 15 feet (5m) higher than today.

The carbon dioxide levels were roughly 16 times higher than today.

Evidence of warming on the Kola Peninsula (c. AD 1000 — 1300) is provided by treeline studies, which show that pine grew at least 100 — 140 m above the modern limit during the Medieval period, which corresponds to a (summer or annual average) temperature at least 0.8 °C higher than today (Hiller et al. 2001).

A study based on oak barrels, which were used to pay taxes in AD 1250 — 1300, indicates that oak forests grew 150 km north of their present distribution in SW Finland and this latitudinal extension implies a summer temperature 1 — 2 °C higher than today (Hulden 2001).

Atmospheric CO2 concentrations now exceed 400 ppm, a level last seen more than 3 million years ago, when Earth was 2 — 3 °C warmer and sea level was 10 — 20 m higher than today.

Could it be 10m or 25m or 50m higher than today?

If the pCO2 has been bouncing around sometimes reaching values higher than today, there could well be some tendency for higher pCO2 to correlate with higher temps.

Tonyb, In response to your first post I think you should be aware that Grindsted et al. 2010 addressed the Sea Level Rise Issue for the Medieval Warm Period (MWP) and has shown that sea levels at the peak height of the MWP were 12 - 22 cm higher than today.

They have been higher than today in the historic past including the Roman Optimum and MWP as I cited and as shown by Grinsted, who I also mentioned in the «wunderblog» episode.

Our two - legged linear approximation of the sea level (equations (3.3) and (3.4)-RRB- assumes that the sea level in the LGM was 120 m lower than today and that the sea level was 60 m higher than today 35 Myr BP.

Likewise druing the last interglacial sea levels were 3 - 4m higher than today.

ferd, Are you suggesting that the true CO2 level during the last interglacial (and during the warmer early part of the Holocene) was actually higher than today?

«At the time of the Roman Empire, for example, the glacier tongue was about 300 meters higher than today,» says Joerin.

Our modern day reef - building corals first evolved in exceedingly warm and stable climates when deep ocean temperatures were 10 °C higher than today and palm trees dotted the Antarctic coast.

If it was really a couple of degrees warmer (I believe it was), then I expect that the CO2 concentration was higher than today (very likely).

There is no consensus about the variation in sea level since then although many scientists have concluded that the sea level was higher than today during the Holocene Thermal optimum from 9,000 to 5,000 years ago when the Sahara was green.

The sea level may also have been higher than today during the Medieval Warm Period.

Carbon dioxide emissions during the Eemian and Pliocene era are an analog for today's levels, but sea levels at that time were higher than today.