Sentences with phrase «global ocean temperatures at»

July 2016 marks the 40th consecutive July with global ocean temperatures at least nominally above the 20th century average.

Not exact matches

Curtis Deutsch, associate professor at the University of Washington's School of Oceanography, studies how increasing global temperatures are altering the levels of dissolved oxygen in the world's oceans.

Indeed, scientists at Scripps recently suggested that 1,800 - year cycles of ocean tides could drive a natural rise in global temperatures.

Rising global temperatures portend shifts in all these ocean currents, potentially with drastic consequences, says Albert Gabric, an environmental scientist at Griffith University in Brisbane.

Global warming is also contributing to the rising ocean temperatures on the whole, but «the warming of the ocean alone is not sufficient to explain what we see,» said Eric Rignot, a glacier expert at the University of California, Irvine, in an emailed comment on the new study.

Land and Ocean Combined: The combined average temperature over global land and ocean surfaces for August 2014 was the record highest for the month, at 61.45 °F (16.35 °C), or 1.35 °F (0.75 °C) above the 20th century average of 60.1 °F (15.6Ocean Combined: The combined average temperature over global land and ocean surfaces for August 2014 was the record highest for the month, at 61.45 °F (16.35 °C), or 1.35 °F (0.75 °C) above the 20th century average of 60.1 °F (15.6ocean surfaces for August 2014 was the record highest for the month, at 61.45 °F (16.35 °C), or 1.35 °F (0.75 °C) above the 20th century average of 60.1 °F (15.6 °C).

Michael Marshall's look at geoengineering to keep global temperature rises below 2 °C (12 October, p 10) suggested ocean liming...

«At first, tropical ocean temperature contrast between Pacific and Atlantic causes slow climate variability due to its large thermodynamical inertia, and then affects the atmospheric high - pressure ridge off the California coast via global teleconnections.

Too much debate treats temperature (and especially the most recent global average) as the sole indicator, whereas many other factors are at play including sea levels, ocean acidity, ice sheets, ecosystem trends, and many more.

«The range of pH and temperature that some organisms experience on a daily basis exceeds the changes we expect to see in the global ocean by the end of the century,» notes Rivest, an assistant professor at VIMS.

Average global land and ocean temperatures have climbed at a rate of 0.2 °C per decade since 1976, according to data compiled by the National Climatic Data Center (NCDC) in Asheville, North Carolina, and the World Meteorological Organization (WMO) in Geneva, Switzerland.

The global ocean temperature was a major contributor to the global average, as its departure from average for the period was also highest on record, at 0.63 °C (1.13 °F) above average.

The average August temperature for the global oceans was record high for the month, at 0.65 °C (1.17 °F) above the 20th century average, beating the previous record set in 2005 by 0.08 °C (0.14 °F).

With ENSO - neutral conditions present during the first half of 2013, the January — June global temperature across land and ocean surfaces tied with 2003 as the seventh warmest such period, at 0.59 °C (1.06 °F) above the 20th century average.

In applying them, they found that a more realistic representation of the marine ecosystem helped the ocean to take up and store carbon at similar rates regardless of global changes in physical properties, like temperature, salinity and circulation.

With the contribution of such record warmth at year's end and with 10 months of the year record warm for their respective months, including the last 8 (January was second warmest for January and April was third warmest), the average global temperature across land and ocean surface areas for 2015 was 0.90 °C (1.62 °F) above the 20th century average of 13.9 °C (57.0 °F), beating the previous record warmth of 2014 by 0.16 °C (0.29 °F).

The former is likely to overestimate the true global surface air temperature trend (since the oceans do not warm as fast as the land), while the latter may underestimate the true trend, since the air temperature over the ocean is predicted to rise at a slightly higher rate than the ocean temperature.

With its mention of the ocean and the pursuit to reduce global warming to well below 2, even 1.5 degrees Celsius above pre-industrial temperatures, the agreement adopted by all 196 parties of the United Nations Framework Convention on Climate Change (UNFCCC) in Paris on December 12, 2015, is appreciated by scientists present at the negotiations.

The global land and ocean temperature during January has increased at an average rate of +0.07 °C (+0.13 °F) per decade since 1880; however, the average rate of increase is twice as great since 1975.

At that point in geological history, global surface temperatures were rising naturally with spurts of rapid regional warming in areas like the North Atlantic Ocean.

a) global mean thermosteric sea level anomaly (b) and zonal mean ocean temperature at 792.5 mtrs, 66 S (the Southern Ococean temperature at 792.5 mtrs, 66 S (the Southern OceanOcean).

It is no coincidence that shifts in ocean and atmospheric indices occur at the same time as changes in the trajectory of global surface temperature.

First, global mean surface temperature depends on the quantity of heat stored at the surface of the earth (earth, lower atmosphere, and the mixed layer of the oceans).

«The combined average temperature over global land and ocean surfaces tied with 2010 as the highest on record for April, at 58.09 °F (14.47 °C) or 1.39 °F (0.77 °C) above the 20th century average.»

Given that you comment that the largest differences between the different forcings is between land and ocean or between the Northern and Southern Hemispheres, have you looked at the land — ocean temperature difference or the Northern — Southern Hemisphere temperature difference, as they both scale linearly with ECS, in the same way as global mean temperature for ghg forcing, but not for aerosol forcing.

Global average air temperature near the surface is dominated by the ocean (because it covers two thirds of the planet), particularly at low latitudes.

First I calculated the land - only, ocean - only and global mean temperatures and MSU - LT values for 5 ensemble members, then I looked at the trends in each of these timeseries and calculated the ratios.

Long waves (infrared) light from the sun, GHGs, clouds, are trapped at the surface of the oceans, directly leading to increased «skin» temperature, more water vapor (a very effective GHG), faster convection (with more loss of heat to space in the tropics),... How each of them converts to real regional / global temperature increases / decreases is another point of discussion...

The former is likely to overestimate the true global surface air temperature trend (since the oceans do not warm as fast as the land), while the latter may underestimate the true trend, since the air temperature over the ocean is predicted to rise at a slightly higher rate than the ocean temperature.

Re Todd at # 1 and CM at # 5: Am I right in understanding that the key point is that it's quite possible for global surface temperatures to decrease even as the globe warms if more than the excess inflow of heat goes into the deep oceans?

«Another recent paper used a different NOAA ocean surface temperature data set to find that since 2003 the global average ocean surface temperature has been rising at a rate that is an order of magnitude smaller than the rate of increase reported in Karl's paper.»

(8) Since at least 1980 changes in global temperature, and presumably especially southern ocean temperature, appear to represent a major control on changes in atmospheric CO2.»

Clearly the rate at which TOA imbalance diffuses into and through the global ocean is key to how much and how quickly global average surface temperature will rise over any given span of time.

For the past century at least, global temperatures have tended to mirror the 20 - to 30 - year warmings and coolings of the north - central Pacific Ocean.

ENSO at least says something PHYSICAL about how heat is being entrained in the deep ocean: a La Nina ought to anchor global surface temperatures to the deep ocean and cool it.

Anthropogenic GHG warming is about the Earth's energy balance, and thus, looking at an average global near - surface temperature, or the total ocean heat content can tell us something useful about that energy balance.

Your 30 °C could be relevant if most of the global ocean was at 30 °C but it isn't, and in the ex-tropics cloud cover decreases as temperature rises during summer.

At 0.2 C century global ocean warming it'll take 1000 years not 400 years to raise global average temperature by 2.0 C.

We can look at the impacts of the GISS infilling method by subtracting the global GISS land - ocean temperature index data with 250 km smoothing from the GISS data with 1200 km smoothing.

Whether we look at the steady increase in global temperature; the buildup of greenhouse gases in the atmosphere to the highest level in a half - million years; the march of warmest - ever years (9 of the10 hottest on record have occurred since 2000); the dramatic shrinking of mountain glaciers and Arctic sea ice; the accelerating rise in sea level; or the acidification of our oceans; the tale told by the evidence is consistent and it is compelling.

You don't have to doubt the catastrophic anthropogenic global warming theory to know that there are key variables that have important, measurable effects on world temperatures at these kind of timescales — ocean cycles come to mind immediately — which he has left out.

At current energy imbalance the global ocean average temperature will rise 0.2 C.

Nor does it seem a coincidence that shifts in ocean and atmospheric indices occur at the same time as changes in the trajectory of global surface temperature.

The assassination of Archduke Franz Ferdinand at Sarajevo is assumed to have no impact on global temperature due to the thermal mass involved and distance from the ocean.

Water takes longer to heat up and cool down than does the air or land, so ocean warming is considered to be a better indicator of global warming than measurements of global atmospheric temperatures at the Earth's surface.

Jul 14, 2014 — Analysis: Solar activity & ocean cycles are the 2 primary drivers of climate, not CO2... The correlation of CO2 alone to global temperature is poor at only 44 %, not... The coefficients of determination are a measure of how accurately the....

I think that any argument based on global temperatures must at least be supported when argued from ocean temperatures.

Comparison of global lower troposphere temperature anomaly over the oceans (blue line) to a model based on the first derivative of atmospheric CO2 concentration at Mauna Loa (red line).

I'm not a climate scientist, but I would have considered it good science to understand the effects of each of the major natural changes that are known to affect global temperatures, including the multidecadal ocean oscillations, long before I started looking at any anthropogenic effects.

To see the problem, look at the different formats for the 5 major global land & ocean temperature anomaly series: GISS, RSS, Hadley, NOAA, UAH.