Comparison of the observed global - mean temperature
record with climate model simulations serves to validate (and better understand) climate model performance and ability to simulate the global - mean temperature component of global climate change in response to radiative forcings.
Check my comment below which contains SAW filter parameters which perfectly reproduce the temperature
record with a climate sensitivity of ZERO.
First, I do think that there is a lot of work to be done in the interpretation of oxygen / hydrogen isotope values obtained at a site, and there's still plenty of disagreement in the paleo - community on how to best connect the isotopic signal in
a record with climate.
First, I do think that there is a lot of work to be done in the interpretation of oxygen / hydrogen isotope values obtained at a site, and there's still plenty of disagreement in the paleo - community on how to best connect the isotopic signal in
a record with climate.
Mora's models merge temperature
records with climate forecasts to predict when the temperature for any given region «departs» from its historic range.
It's pretty telling that Briggs seems to have confused real - world, instrumental data
records with climate models and predictions, and then tried to trash it.
Not exact matches
Alison Redford came to Washington D.C.
with exactly the right idea: she needed to talk up Alberta's
record on
climate change.
The U.S. endured 16 separate weather and
climate disasters
with losses that each exceeded $ 1 billion last year,
with total costs of about $ 306 billion, a new
record for the country.
Investors have filed a
record number of shareholder proposals on ESG issues this year,
with a focus on
climate change and corporate political activity, according to the As You Sow shareholder advocacy group.
Consumer confidence in the U.S. slumped last week to minus 53, the second - lowest level on
record, as Americans grew more concerned
with their financial situation and the buying
climate worsened.
Emphasizing her government's
record on refugees and
climate - change policy, and stressing Canada's shared values
with Europe, she was interrupted multiple times by applause.
For the
record I don't and I think this is nothing more then a natural disaster and a tragedy that has nothing to do
with anything higher then nature and
climate change.
As of October 2016, the project has enrolled 7,000 farmers (88 % of the project's total target), who are registered in the Olam Information System (OFIS); completed basic training in order to optimize sustainable yields and other income opportunities; introduced
record keeping practices by distributing log books to 1,000 farmers; promoted farmer group development in a Training of Trainers (ToT) session; trained 10 new lead farmers on best agricultural practices that were then integrated
with climate - smart agricultural Practices (CSA) and the Sustainable Agricultural Network (SAN) Standard; as well as conducted a baseline sampling monitoring survey that is currently being analyzed by the program team.
Re Thomas Byrne: the fact that countries
with strong property rights have good environmental
records does not entail or imply that there is a free market solution to
climate change.
Today, the League is poised to announce it's bringing in the big guns in hops of defeating a Republican it describes as a «
climate denier»
with an «appalling» environmental
record.
Their study, published in the journal Geophysical Research Letters, also found evidence that
climate change is skewing the proportion of
record high temperatures to
record low temperatures in the continental United States,
with extremely hot days now outnumbering extremely cold days by 2 - to - 1.
«If
climate were causing this, we would expect to see these extinction events either sometimes (diverging from) human migration across the globe or always lining up
with clear
climate events in the
record,» said Lyons, assistant professor of biology at Nebraska.
But
with shortened normals comes a risk of underplaying
recorded changes to the
climate.
Peter Bromirski, of the Scripps Institution of Oceanography at the University of California, San Diego, says that seismic listening stations provide a long - term
record of how the amount of energy reaching the world's shores is changing
with climate change.
The results are based on a number of independent
climate archives, as well as instrumental
records, and hold up whilst applying a wide range of correction methods, which leads Laepple to believe that the problem lies more
with the models.
It's OK to state that, «The common belief that carbon dioxide is driving
climate change is at odds
with much of the available scientific data: data from weather balloons and satellites, from ice core surveys, and from the historical temperature
records» when this is clearly untrue.
To get to the bottom of things, he mapped the ages and locations of 1,323 woolly mammoth remains and 576 archaeological sites, and he merged them
with data from plant and pollen
records, and
climate change information from ice cores in Greenland.
The value of this information is illustrated by the results of a study published May 19 in the journal Geophysical Research Letters by Oster's group, working
with colleagues from the Berkeley Geochronology Center, the Smithsonian Institution National Museum of Natural History and the University of Cambridge titled «Northeast Indian stalagmite
records Pacific decadal
climate change: Implications for moisture transport and drought in India.»
A comparison of the moraine ages
with nearby
climate records indicates that Rwenzori glaciers expanded contemporaneously
with regionally dry, cold conditions and retreated when air temperature increased.
«That is very exciting because a lot of interesting things happened
with Earth's
climate prior to 800,000 years ago that we currently can not study in the ice core
record.»
The long - term geological
record reveals an early Cenozoic warm
climate that supported smaller polar ecosystems, few coral - algal reefs, expanded shallow - water platforms, longer food chains
with less energy for top predators, and a less oxygenated ocean than today.
«If you went back to 1850 and repeated history» — meaning the same volcanic eruptions, the same solar variability, the same greenhouse gas emissions — «the overall temperature increase would be about the same, but you would end up
with somewhat different temperature
records due to the inherent randomness in the
climate.»
When comparing the history of hydrological changes in the region
with artifacts from the Middle Stone Age, the researchers discovered a «striking correspondence between the archaeological
record of South Africa and the timing of the abrupt
climate change» as seen in the marine core, the study states.
NASA's Global
Climate Change Program has reported that «the 10 warmest years in the 134 - year
record all have occurred since 2000,
with the exception of 1998,» and the year 2015 ranks as the warmest on
record.
With an El Niño expected to develop late this summer or in the fall, there is a chance that 2014 could move into the spot as the warmest year on
record, though the
climate phenomenon's effects are generally most pronounced in the colder months, so the boost it gives to global temperatures could be reserved for 2015.
This research has shown that the
climate changes coincided
with increases in population, activity and production of technology on the part of our ancestors, as seen in the archaeological
records.
I think it would just be tragic if what is now a 40 - year
record of land - use change and
climate change were to end
with Landsat 8.
Yet even
with clear levels of these chemicals and knowledge of the damage they pose, Downs realized the ultimate cause of decline in the corals preceded
recorded climate effects.
As yet, no one has touched the waters of a subglacial lake
with so much as a drill bit, but a Russian group that has been coring ice over Lake Vostok to get ancient
climate records is coming close.
More precisely monitoring dolphins
with seafloor
recordings could provide new insight into how these animals respond to environmental problems such as oil spills and the long - term effects of
climate change.
«These results help resolve a divergence in
climate trends of the past 2,000 years
recorded in marine sediments of the North Atlantic Ocean, compared
with those
recorded in fossil pollen from the continents of North America and Europe,» says Jonathan Wynn, program director in NSF's Division of Earth Sciences, which co-funded a portion of the research
with NSF's Division of Environmental Biology.
The fossil
record helps us compare today's
climate changes and people's role in them
with long - ago shifts before humans existed.
Co-author Nerilie Abram, from the Australian National University, said: «In order to better understand
climate change in Antarctica, we need continued
climate measurements in the Antarctic and Southern Ocean, and extension of these short observational
records with past
climate reconstructions and
climate modelling.»
Scientists from the University of Edinburgh analysed real - world historic
climate records from 1782 to 2000, comparing them
with computerised
climate models for the same timescale.
And looking for patterns in tornado
records to shed light on any
climate connection, as several researchers have tried to do, is fraught because reporting methods have improved over time (
with a larger population and better technology, tornadoes are more likely to be detected today).
When he lined up their ages
with global
climate records, he noticed a pattern: Many species of megafauna seemed to disappear during a period of extreme warming around 12,300 years ago, Cooper and his team write today in Science Advances.
It was not until 1976 that a paper published in Science by John A. Eddy of Saginaw Valley State University renewed interest in the sun -
climate relationship
with a comprehensive analysis of many different historical
records of solar observation.
This year wasn't just notable for the final maximum extent, though, as «nearly every day has been a
record for that day in the satellite
record» this year, Ted Scambos, a senior scientist
with NSIDC, previously told
Climate Central.
Climate changes
recorded in tree rings correlate
with important events in European history, such as the Black Death.
«This will evolve,» Putnam said, as more paleoclimate
records emerge and are paired
with climate models to «try to see if
climate models can reproduce the patterns that we see in those datasets.»
Subsequently cited in 54 papers, the Science study showed that even using the lower end of 23
climate models suggested that in the tropics at the end of the century, «the hottest seasons on
record will represent the future norm in many locations,»
with the devastating impacts on wheat and rice yields.
Earth scientists and climatologists are joining forces
with archaeologists and anthropologists to build a comprehensive understanding of the
climate record that is written into our own past.
A new
record melt would allow scary satellite images of an even bluer Arctic to coincide
with the Intergovernmental Panel on
Climate Change's next assessment, due in September (though a draft has been leaked — see «What leaked IPCC report really says on climate change «
Climate Change's next assessment, due in September (though a draft has been leaked — see «What leaked IPCC report really says on
climate change «
climate change «-RRB-.
Last year was the hottest on
record by a wide margin,
with temperatures creeping close to a ceiling set by almost 200 nations for limiting global warming, the European Union's Copernicus
Climate Change Service said on Thursday.
«I would say [we're] 99 percent certain that it's going to be the warmest year on
record,» Jessica Blunden, a
climate scientist
with ERT, Inc., at the National Oceanic and Atmospheric Administration, said during a press teleconference on Thursday.