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Title: NOAA: Past Decade Warmest on Record According to Scientists in 48 Countries
Source:
NOAA
URL Source: http://www.noaanews.noaa.gov/storie ... 0100728_stateoftheclimate.html
Published: Aug 8, 2010
Author: staff
Post Date: 2010-08-08 12:35:13 by buckeroo
Keywords: None
Views: 262
Comments: 25
Based on comprehensive data from multiple sources, the report defines 10 measurable planet-wide features used to gauge global temperature changes. “For the first time, and in a single compelling comparison, the analysis brings together multiple observational records from the top of the atmosphere to the depths of the ocean,” said Jane Lubchenco, Ph.D., under secretary of commerce for oceans and atmosphere and NOAA administrator. “The records come from many institutions worldwide. They use data collected from diverse sources, including satellites, weather balloons, weather stations, ships, buoys and field surveys. These independently produced lines of evidence all point to the same conclusion: our planet is warming,” The report emphasizes that human society has developed for thousands of years under one climatic state, and now a new set of climatic conditions are taking shape. These conditions are consistently warmer, and some areas are likely to see more extreme events like severe drought, torrential rain and violent storms. “Despite the variability caused by short-term changes, the analysis conducted for this report illustrates why we are so confident the world is warming,” said Peter Stott, Ph.D., contributor to the report and head of Climate Monitoring and Attribution of the United Kingdom Met Office Hadley Centre. “When we look at air temperature and other indicators of climate, we see highs and lows in the data from year to year because of natural variability. Understanding climate change requires looking at the longer-term record. When we follow decade-to-decade trends using multiple data sets and independent analyses from around the world, we see clear and unmistakable signs of a warming world.” While year-to-year changes in temperature often reflect natural climatic variations such as El Niño/La Niña events, changes in average temperature from decade-to-decade reveal long-term trends such as global warming. Each of the last three decades has been much warmer than the decade before. At the time, the 1980s was the hottest decade on record. In the 1990s, every year was warmer than the average of the previous decade. The 2000s were warmer still. “The temperature increase of one degree Fahrenheit over the past 50 years may seem small, but it has already altered our planet,” said Deke Arndt, co-editor of the report and chief of the Climate Monitoring Branch of NOAA’s National Climatic Data Center. “Glaciers and sea ice are melting, heavy rainfall is intensifying and heat waves are more common. And, as the new report tells us, there is now evidence that over 90 percent of warming over the past 50 years has gone into our ocean.” More and more, Americans are witnessing the impacts of climate change in their own backyards, including sea-level rise, longer growing seasons, changes in river flows, increases in heavy downpours, earlier snowmelt and extended ice-free seasons in our waters. People are searching for relevant and timely information about these changes to inform decision-making about virtually all aspects of their lives. To help keep citizens and businesses informed about climate, NOAA created the Climate Portal at www.climate.gov. The portal features a short video that summarizes some of the highlights of the State of the Climate Report. State of the Climate is published as a special supplement to the Bulletin of the American Meteorological Society and is edited by D.S. Arndt, M.O. Baringer, and M.R. Johnson. The full report and an online media packet with graphics is available online: www.ncdc.noaa.gov/bams-state-of-the-climate. NOAA’s mission is to understand and predict changes in the Earth's environment, from the depths of the ocean to the surface of the sun, and to conserve and manage our coastal and marine resources. Visit us on Facebook. Poster Comment: This isn't some fraud report. Watch it alter the US political debates, however.
The 2009 State of the Climate report released today draws on data for 10 key climate indicators that all point to the same finding: the scientific evidence that our world is warming is unmistakable. More than 300 scientists from 160 research groups in 48 countries contributed to the report, which confirms that the past decade was the warmest on record and that the Earth has been growing warmer over the last 50 years.
The relative movement of each of these indicators proves consistent with a warming world. Seven indicators are rising: air temperature over land, sea-surface temperature, air temperature over oceans, sea level, ocean heat, humidity and tropospheric temperature in the “active-weather” layer of the atmosphere closest to the Earth’s surface. Three indicators are declining: Arctic sea ice, glaciers and spring snow cover in the Northern hemisphere.
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Begin Trace Mode for Comment # 11.
#2. To: buckeroo (#0)
As far as I am concerned the pro-global warming side of the issue has lost all credibility with the release of those emails awhile back. They are trying to manipulate the population for political purposes as far as I am concerned. I would no more trust them to tell me the sun was out than I would trust the government telling me the same thing. In either case I will look out the window and see for myself even if it's noontime. That's how untrustworthy I find them. Even if what they say is true, then they have zero proof that man is causing the problem. It is a known fact that the Earth's temperature has changed in the past, both from hot to cold and visa versa. And the statement " Past Decade Warmest on Record" is meaningless because we have not been keeping records for very long, especially when compared to the age of the earth. 50 years is the equivalent of a nanosecond in comparison. I do however understand and respect the fact that you disagree with me on the matter.
I tend to agree with you, particularly when it comes to the UN's coveted but recently shamed IPCC. But the CO2 rise is coincident with HUGE changes of human population growth. That is significant and undeniable. Within that time, the human population growth has changed from 3 Bn to over 6Bn ... All I am saying (and have ever said) is that GW phenomena is a fact. All the political claptrap and related mumbo-jumbo is altogether another issue; personally, I don't think there is a way to change the current course of climate change.
50 years is the equivalent of a nanosecond in comparison. Within that time, the human population growth has changed from 3 Bn to over 6Bn ... Yes what you say is true. However, as the saying goes, correlation does not imply causation. The most I will agree on is that since correlation is necessary for causation, more study on the matter is warranted. All I am saying (and have ever said) is that GW phenomena is a fact. All the political claptrap and related mumbo-jumbo is altogether another issue; personally, I don't think there is a way to change the current course of climate change. While it is true that the temperatures appear to be trending upwards, I am of the belief that 50 years is much too small a time period for such a determination to be made.
Here is a glimpse over the past 100 years shows the peaks. And another for the past 100 years... showing averages....
Buck, I respect your opinion and I understand the data. However, from my understanding of how the Earth's climate works (I'm by no means an expert), 100 years is such a small period of time that it is almost meaningless.
So here is 130 years ... Please read this pdf from the National Academy of Sciences ... Surface Temperature Reconstructions for the Last 2,000 Years • Less confidence can be placed in large-scale surface temperature reconstructions for the period from A.D. 900 to 1600. Presently available proxy evidence indicates that temperatures at many, but not all, individual locations were higher during the past 25 years than during any period of comparable length since A.D. 900. The uncertainties associated with reconstructing hemispheric mean or global mean temperatures from these data increase substantially backward in time through this period and are not yet fully quantified. • Very little confidence can be assigned to statements concerning the hemispheric mean or global mean surface temperature prior to about A.D. 900 because of sparse data coverage and because the uncertainties associated with proxy data and the methods used to analyze and combine them are larger than during more recent time periods.
#12. To: buckeroo (#11)
Who was keeping the records 2000 years ago? lol
I believe that I agreed that temperatures were trending upwards. However, per the report, it's not like they've never been this high. The temperature was this high 400 years ago and possibly this high 900 years ago as well. This says to me that it is natural for the Earth's temperature to fluctuate. Considering that it appears to be cyclic in nature, wouldn't it be better to assume that at some point the temperatures are going to drop again to what we consider to be normal?
Which only shows it has been warming since the Dalton Minimum. That is to be expected.
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#4. To: F.A. Hayek Fan (#2)
As far as I am concerned the pro-global warming side of the issue has lost all credibility with the release of those emails awhile back. They are trying to manipulate the population for political purposes as far as I am concerned. I would no more trust them to tell me the sun was out than I would trust the government telling me the same thing. In either case I will look out the window and see for myself even if it's noontime. That's how untrustworthy I find them.
Even if what they say is true, then they have zero proof that man is causing the problem. It is a known fact that the Earth's temperature has changed in the past, both from hot to cold and visa versa. And the statement " Past Decade Warmest on Record" is meaningless because we have not been keeping records for very long, especially when compared to the age of the earth.
50 years is the equivalent of a nanosecond in comparison.
I do however understand and respect the fact that you disagree with me on the matter.
#8. To: buckeroo (#4)
But the CO2 rise is coincident with HUGE changes of human population growth. That is significant and undeniable.
#9. To: F.A. Hayek Fan (#8)
(Edited)
hile it is true that the temperatures appear to be trending upwards, I am of the belief that 50 years is much too small a time period for such a determination to be made.
#10. To: buckeroo (#9)
#11. To: F.A. Hayek Fan (#10)
(Edited)
• It can be said with a high level of confidence that global mean surface temperature was higher during the last few decades of the 20th century than during any comparable period during the preceding four centuries. This statement is justified by the consistency of the evidence from a wide variety of geographically diverse proxies.
Replies to Comment # 11. . Surface Temperature Reconstructions for the Last 2,000 Years
#13. To: buckeroo (#11)
#15. To: buckeroo, F.A. Hayek Fan (#11)
So here is 130 years ...
End Trace Mode for Comment # 11.