Sentences with phrase «climate observations with»

Not exact matches

Statisticians can analyze these climate models along with direct observations to learn about Earth's climate.
A large number of additional observations are broadly consistent with the observed warming and reflect a flow of heat from the atmosphere into other components of the climate system.
Combining observations from satellites and ground stations with climate models, they evaluated different factors that affect telescope vision, such as the amount of water vapour, wind speeds and atmospheric turbulence.
Up until now laboratory measurements have struggled to answer this question accurately enough to allow climate scientists to interpret their results with the detail their observations require.»
But Robeson said the observation aligns with theories about climate change, which hold that amplified warming in the Arctic region produces changes in the jet stream, which can result in extended periods of cold weather at some locations in the mid-northern latitudes.
«The highly accurate and precise data from Glory, in combination with observations from the rest of the A-Train, will enable researchers to improve our understanding of the Earth system by improving our ability predict future climate,» she said.
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.
The method is based on Approximate Bayesian Computation (ABC), which is a machine learning method that has been developed to infer very complex models from observations, with uses in climate sciences and epidemiology among others.
Yet even with those caveats, Shell praised the approach laid out in the new research as a «simple diagnostic... [and] an encouraging step that links observations to climate sensitivity.»
Wiedinmyer also wants to put her estimates into models of climate and air movement and see if they match up with current air observations.
Based on past observations, Held, who was not involved with the study, said the climate sensitivity of 5 °C or more shown by the new research may be implausible.
To arrive at their results, the researchers combined observations from the past century with climate simulations of the atmospheric response to the AMO.
To check their model forecast, as the dry season has gotten underway, the researchers have compared their initial forecast with observations coming in from NASA's precipitation satellite missions» multisatellite datasets, as well as groundwater data from the joint NASA / German Aerospace Center Gravity Recovery and Climate Experiment (GRACE) mission.
In February, Australian and American researchers who compared ocean and climate modeling results with weather observations published findings in Nature Climate Change advancing earlier studies that explored the oscillation's global infclimate modeling results with weather observations published findings in Nature Climate Change advancing earlier studies that explored the oscillation's global infClimate Change advancing earlier studies that explored the oscillation's global influence.
«I would expect to see restrictions on the parts of the budget of the agencies that collect that sort of data... and proposed cuts to the divisions of those agencies that deal with Earth observations and climate prediction.»
«With these new observations we can determine which models reproduce the most accurate response to changes in the global climate.
With more than 300 instrument systems providing ground - based climate observations, ARM relies heavily on instrument scientists and engineers known as instrument mentors for calibrating and assessing the status of the instruments.
Then they will compare those observations with their field and laboratory results regarding the impacts of climate variability on sap flow and quality, Ahmed said.
I was out at the US Jet Propulsion Laboratory in Pasadena, California, last week to form a collaboration with their climate research centre, to bring together their Earth - observation expertise with our modelling expertise.
There are some caveats with their study: The global climate models (GCMs) do not reproduce the 1930 - 1940 Arctic warm event very well, and the geographical differences in a limited number of grid - boxes in the observations and the GCMs may have been erased through taking the average value over the 90 - degree sectors.
Where climate sensitivity is estimated in studies involving comparing observations with values simulated by a forced climate model at varying parameter settings (see Appendix 9.
Instead, the web special opened with «Estimates of future global temperatures based on recent observations must account for the differing characteristics of each important driver of recent climate change», which sounds a bit ho - hum, if not, well, duh?
Beckwith replies it's almost a battle between climate modelers, like David Archer, and researchers with observations on the ground, like Shakhova and here Russian counterparts.
The extra data spanning many thousands of years that this study uncovers will go a long way to matching model projections with past observations, helping scientists identify the most accurate models for making predictions of future climate change.
So, what was predicted is not consistent with the on - going observations of global climate.
To get their results the researchers used sophisticated ice sheet and climate models and verified their results with independent geological observations from the oceans off Antarctica.
A very recent study by Saba et al. (2015) specifically analyzed sea surface temperatures off the US east coast in observations and a suite of global warming runs with climate models.
Abatzoglou and two Oregon State University scientists compared weather observations with climate data for Oregon, Washington, Idaho and western parts of Montana and Wyoming.
Highlights of the annual meeting included a session focusing on the role of observations in climate change research and breakout sessions with topics ranging from current field campaigns to new instruments.
The Ocean Observations Panel for Climate (OOPC) is a scientific expert advisory group charged with making recommendations for a sustained global ocean observing system for climate in support of the goals of its spClimate (OOPC) is a scientific expert advisory group charged with making recommendations for a sustained global ocean observing system for climate in support of the goals of its spclimate in support of the goals of its sponsors.
Annan, J.D., et al., 2005b: Efficiently constraining climate sensitivity with palaeoclimate observations.
Scientists are using airborne observations of atmospheric trace gases, aerosols, and cloud properties from the North Slopes of Alaska to improve their understanding of global climate, with the goal of reducing the uncertainty in global and regional climate simulations and projections.
Observations of Aerosol / Trace Gases, Clouds, Precipitation, and Radiation from DOE Atmospheric Radiation Measurement (ARM) Climate Research Facility (Joint with the 19th Conference on Atmospheric Chemistry; the 9th Symposium on Aerosol - Cloud - Climate interactions to host)
The ARM Aerosol Measurement Science Group (AMSG) coordinates ARM Climate Research Facility observations of aerosols and atmospheric trace gases with user needs to ensure advanced, well - characterized observational measurements and data products — at the spatial and temporal scales necessary — for improving climate science and model forClimate Research Facility observations of aerosols and atmospheric trace gases with user needs to ensure advanced, well - characterized observational measurements and data products — at the spatial and temporal scales necessary — for improving climate science and model forclimate science and model forecasts.
Another approach uses the response of climate models, most often simple climate models or Earth System Models of Intermediate Complexity (EMICs, Table 8.3) to explore the range of forcings and climate parameters that yield results consistent with observations (Andronova and Schlesinger, 2001; Forest et al., 2002; Harvey and Kaufmann, 2002; Knutti et al., 2002, 2003; Forest et al., 2006).
«We use a massive ensemble of the Bern2.5 D climate model of intermediate complexity, driven by bottom - up estimates of historic radiative forcing F, and constrained by a set of observations of the surface warming T since 1850 and heat uptake Q since the 1950s... Between 1850 and 2010, the climate system accumulated a total net forcing energy of 140 x 1022 J with a 5 - 95 % uncertainty range of 95 - 197 x 1022 J, corresponding to an average net radiative forcing of roughly 0.54 (0.36 - 0.76) Wm - 2.»
It's a long paper with a long title: «Ice melt, sea level rise and superstorms: evidence from paleoclimate data, climate modeling, and modern observations that 2 oC global warming could be dangerous».
We use simple representations of the carbon cycle and global temperature, consistent with observations, to simulate transient global temperature and assess carbon emission scenarios that could keep global climate near the Holocene range.
The statistics of the weather make short term climate prediction very difficult — particularly for climate models that are not run with any kind of initialization for observations — this has been said over and over.
Working with Tom Chase, a colleague at the institute, the researchers were comparing climate simulations from the Community Land Model — part of a select group of global models used in the Intergovernmental Panel on Climate Change's 2007 climate change report — against observclimate simulations from the Community Land Model — part of a select group of global models used in the Intergovernmental Panel on Climate Change's 2007 climate change report — against observClimate Change's 2007 climate change report — against observclimate change report — against observations.
At the end of the observation, the observer wrote a summary addressing seven key features of the classroom ecology: (a) the general instructional approach used in the classroom, instructional sequences observed, approaches to word recognition, vocabulary, and comprehension instruction; (b) curriculum materials used; (c) teacher's style of interacting with the children; (d) teacher's grouping practices, and activities of children not with the teacher; (e) student engagement; (f) classroom management; and (g) classroom climate.
She also discusses his prediction of human - induced climate change, his remarkable ability to fashion poetic narrative out of scientific observation, and his relationships with iconic figures such as Simón Bolívar and Thomas Jefferson.
As of last week, the Market Climate for stocks remained in the most negative 0.5 % of all historical observations, and was characterized by rich valuations, unfavorable market action, and a variety of hostile «Aunt Minnies» that are associated with poor subsequent returns.
It's something of an abstract concept, but with real world implications, and the universality of such physical models, based on things like radiative balance, atmospheric composition and density, distance from the local Sun, etc., is a very strong argument in favor of general acceptance of the results of climate models and observations on Earth.
In models run with the GISS forcing data, the «natural + anthropogenic» temperature evolution matches observations very well for a climate sensitivity of 0.75 °C / W / m ², which agrees with the value derived from palaeoclimate data.
For the 20th and 21st century we have many more direct observations of the Sun, the clouds, and so forth, and are on much firmer ground with regard to saying what the Sun is or isn't doing to climate.
Since OHC uptake efficiency associated with surface warming is low compared with the rate of radiative restoring (increase in energy loss to space as specified by the climate feedback parameter), an important internal contribution must lead to a loss rather than a gain of ocean heat; thus the observation of OHC increase requires a dominant role for external forcing.
Recent observations show that societies are highly vulnerable to even modest levels of climate change, with poor nations and communities particularly at risk.
A simple comparison of observations with projections based on real world climate forcings shows a very close match, especially if we take natural unforced variability into account as well (mainly ENSO).
This was one of the motivations for our study out this week in Nature Climate Change (England et al., 2014) With the global - average surface air temperature (SAT) more - or-less steady since 2001, scientists have been seeking to explain the climate mechanics of the slowdown in warming seen in the observations during 2001 Climate Change (England et al., 2014) With the global - average surface air temperature (SAT) more - or-less steady since 2001, scientists have been seeking to explain the climate mechanics of the slowdown in warming seen in the observations during 2001 climate mechanics of the slowdown in warming seen in the observations during 2001 - 2013.
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