Sentences with phrase «warmer temperatures over land»

Not exact matches

Land - use changes over the past 250 years in Europe have been huge, yet, they only caused a relatively small temperature increase, equal to roughly 6 % of the warming produced by global fossil fuel burning, Naudts noted.
While Earth's landmass has warmed by about 1 degree Celsius (about 2 degrees Fahrenheit) over the past century, on average, land temperatures in the Arctic have risen almost 2 C (3.6 F).
Terrestrial ecosystems have encountered substantial warming over the past century, with temperatures increasing about twice as rapidly over land as over the oceans.
Warmer than average temperatures were evident over most of the global land surface, except for parts of western Europe, northern Siberia, parts of eastern Asia and much of central Australia stretching north.
Pielke, who said one issue ignored in the paper is that land surface temperature measurements over time show bigger warming trends than measurements from higher up in a part of the atmosphere called the lower troposphere, and that still needs more explanation.
Warmer than average temperatures were evident over most of the global land surfaces, except for parts of the United States and western Europe, northern Siberia, parts of eastern Asia and much of central Australia stretching north.
However, for the globe as a whole, surface air temperatures over land have risen at about double the ocean rate after 1979 (more than 0.27 °C per decade vs. 0.13 °C per decade), with the greatest warming during winter (December to February) and spring (March to May) in the Northern Hemisphere.
The observed fact that temperatures increases slower over the oceans than over land demonstrates that the large heat capacity of the ocean tries to hold back the warming of the air over the ocean and produces a delay at the surface but nevertheless the atmosphere responds quit rapidly to increasing greenhouse gases.
The Nature article comes as climate scientists published what they said today was the «best ever» collection of evidence for global warming, including temperature over land, at sea and in the higher atmosphere, along with records of humidity, sea - level rise, and melting ice.
Warming has occurred in both land and ocean domains, and in both sea surface temperature (SST) and nighttime marine air temperature over the oceans.
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.
The climate in most places has undergone minor changes over the past 200 years, and the land - based surface temperature record of the past 100 years exhibits warming trends in many places.
«We show that at the present - day warming of 0.85 °C about 18 % of the moderate daily precipitation extremes over land are attributable to the observed temperature increase since pre-industrial times, which in turn primarily results from human influence,» the research team said.
The «bounce» seen in November 2010 was driven by record - warm temperature anomalies in the Northern Hemisphere, particularly over land.
Here we show that, globally, temperatures over land have risen as much on windy nights as on calm nights, indicating that the observed overall warming is not a consequence of urban development.
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.
Seems to me the debate about AGHG global warming and increasing TC frequency / intensity / duration boils down to the fact that as sea surface temperatures, as well as deeper water temperatures rise, the wallop of any TC over warmer seas without mitigating circumstances like wind sheer and dry air off land masses entrained in the cyclone will likely be much more devastating.
«One of the most significant signals in the thermometer - observed temperature record since 1900 is the decrease in the diurnal temperature range over land, largely due to warming of the minimum temperatures... Climate models have in general not replicated the change in diurnal temperature range well.
Surface temperatures over land haven't gone up much, but that's not the only or even the best way to measure the amount of warming.
So the infilled GISS data, which extends out over the Arctic, would show the greater warming since the 1970s... until the warming stops for Northern Hemisphere sea surface temperatures and for the low - to - mid latitude land surface air temperatures.
«Global surface temperature trends, based on land and marine data, show warming of about 0.8 deg C over the last 100 years.
«annual temperatures up to AD 2000 over extra-tropical NH land areas have probably exceeded by about 0.3 °C the warmest previous interval over the past 1162 years»
Surface temperatures over land regions have warmed at a faster rate than over the oceans in both hemispheres.
And air temperatures over exposed land surfaces should warm differently than air temperatures over sea ice, especially when open ocean separates them.
By comparing modelled and observed changes in such indices, which include the global mean surface temperature, the land - ocean temperature contrast, the temperature contrast between the NH and SH, the mean magnitude of the annual cycle in temperature over land and the mean meridional temperature gradient in the NH mid-latitudes, Braganza et al. (2004) estimate that anthropogenic forcing accounts for almost all of the warming observed between 1946 and 1995 whereas warming between 1896 and 1945 is explained by a combination of anthropogenic and natural forcing and internal variability.
This warming can be seen in measurements of troposphere temperatures measured by weather balloons and satellites, in measurements of ocean heat content, sea surface temperature (measured in situ and by satellites), air temperatures over the ocean, air temperature over land.
The annual anomaly of the global average surface temperature in 2014 (i.e. the average of the near - surface air temperature over land and the SST) was +0.27 °C above the 1981 - 2010 average (+0.63 °C above the 20th century average), and was the warmest since 1891.
in warming over the last decades (see land surface temperature chart below).
They avoid some of the issues in Millar by using more globally - representative surface temperature records, though they still use series that blend surface air temperatures over land with slower - warming sea surface temperatures over the ocean.
95 % confidence that 50 % of the warming since 1951 is due to some form of human activity is not likely to be falsified using «Global» surface temperature since about 30 % of the warming is over land and GISS interprets high latitude and higher altitude warming as «surface» warming.
While consistent with the IPCC assessments of historical warming, it lacks coverage of much of the fast - warming Arctic region and blends surface air temperatures over land with slower - warming sea surface temperatures over the ocean.
-- Increased urbanization and land use changes since WWII as a possible partial cause of warming of global surface temperature over land.
Predictably we see more warming over land than water and more when temperature is freezing than not freezing.
Since you are a frequent visitor to WUWT, you are well aware that I have illustrated, explained, and animated cause (ENSO) and effect (the warming of sea surface temperatures, ocean heat content, lower troposphere temperatures, and land + sea surface temperatures) in dozens of blog posts over the past 3 1/2 years.
Average air temperature over the land and sea surface was 0.56 degrees Celsius above the long - term average, tied with 2010 as the joint warmest year on record.
The climate in most places has undergone minor changes over the past 200 years, and the land - based surface temperature record of the past 100 years exhibits warming trends in many places.
On my religion: I am honest when I say to you that there seem to be no warming in areas over land in areas where ocean air do not dominate temperature trends, then its true.
According to Klotzbach et al. (2010), which the Watts paper references, there should be an amplification factor of ~ 1.1 between surface and lower troposphere temperatures over land (greater atmospheric warming having to do with water vapor amplification).
They say that world would actually warm up by just 1.64 °C overall, and the vegetation - cooling effect would be stronger over land to boot — thus temperatures on land would would be a further 0.3 °C cooler compared to the present sims.»
Many more flawed or misleading presentations of Global Warming science exist in the book, including those on Arctic sea ice thinning, correction of land - based temperature measurements for the urban heat island effect, satellite vs. ground - based measurements of Earth's warming, and controversies over sea level rise estWarming science exist in the book, including those on Arctic sea ice thinning, correction of land - based temperature measurements for the urban heat island effect, satellite vs. ground - based measurements of Earth's warming, and controversies over sea level rise estwarming, and controversies over sea level rise estimates.
The «unnatural» warming so far seen is however trended strongly to the alterations to the planetary surface by Humanity over the past 400 years and the rebalance towards greater kinetic induction (in its cumulative effect) is now producing observable alterations not only to the Land Surface median Temperature, but to the Ocean (vie conduction / convection) and a still unconfirmed claim of a small overall rise in Median Atmospheric Temperature, which if «true» would place the Planetary Biosphere on the «Human Population Plot» with regard to «warming».
The period of increased warming from 1987 to 1997 loosely coincided with the divergence of the global average temperature anomalies over land, which are derived from observation station recordings, and the global average anomalies in sea surface temperatures.
The question at which Parker's study was addressed was the question: «Could the global warming apparent in the record of land - based temperatures be due to an increase over time in the local UHI effects?»
This is close to the warming of 1.09 °C (0.86 — 1.31 °C) observed in global mean land temperatures over the period 1951 — 2010, which, in contrast to China's recorded temperature change, is only weakly affected by urban warming influences.
I want to point out that all of the surface data sets over land suffer from i) a systematic warm bias associated with using minimum temperatures in the construction of trends and I) in blending non-spatially representative sites with good sites.
Could a giant underground eruption put enough heat into the ocean that over a hundred years temperatures became warmer in the ocean and subsequently in the air and land?
In 2010, temperatures measured over land alone were also the warmest ever, with instruments showing a December - November average of 14.85 ˚C.
Finds that average daytime surface temperature in the Jambi province increased by 1.05 °C over the last 16 years, which followed the trend of observed land cover changes and exceeded the effects of climate warming
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If this is the best such land area surface temperature assessment system on the planet (covering, as well, a broad range of metropolitan, suburban, and rural areas), and the quality of the system is now proven to be demonstrably more prone to error than had been previously assumed — with the preponderance of error shown to produce the impression of warming in excess of real conditions prevailing — what may be reliably inferred about surface temperature monitoring systems data from even less reliable thermometers all over the rest of the world?
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