Sentences with phrase «combining observations and models»

First of all, Bart, Jason and Roger seem to agree that combining observations and models is the best way forward if you try to understand the climate system.

Not exact matches

This dataset contains millions of genomic sequences from a diverse set of rice varieties that, when combined with phenotyping observations, gene expression, and other information, provides an important step in establishing gene - trait associations, building predictive models, and applying these models to breeding.
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.
The approach proposed in the paper combines information from observation - based data, general circulation models (GCMs) and regional climate models (RCMs).
Combining computer models constructed largely by Princeton University researchers with on - ship observations, the researchers determined the movement and energy of the waves from their origin on a double - ridge between Taiwan and the Philippines to when they fade off the coast of China.
EWeLiNE combines these data with other atmospheric observations — from ground - based weather stations, radar and satellites — and sophisticated computer models predict power generation over the next 48 hours or so.
By combining satellite images of the ice sheet and wind stress data from observations and computer modeling, Greene and his collaborators were able to study the chain of events that brings the warm water to Totten.
The study, which combined experimental observations with mathematical modeling, showed that the flow of liquid can have two significant effects on microbes: «It quenches the ability of microbes to chase food,» Stocker says, «and it helps microbes find surfaces.»
The team combined a computer model with 100 years of observations to tease out the fact that global sea - level rise is increasing the tidal range, or the distance between the high and low tides, in many areas throughout each bay.
Combining satellite observations with ocean numerical modeling, Khazendar and his colleagues developed a hypothesis that reductions in the volume of brine would increase Totten's thinning and melting.
When combined with General Circulation Models, such observations would be essential in understanding the hydrological cycle and seasonal variation on Titan.
All these observations will be combined to improve climate models, which will provide an estimate of present - day and future surface melt on the East Antarctic ice shelves.
The researchers combined these observations into a simple model, using only solar energy and waiting time since the previous interglacial, that was able to predict all the interglacial onsets of the last million years, occurring roughly every 100,000 years.
They were able to combine their data with observations from other telescopes and revealed an almost featureless spectrum that could not be completely explained by a blackbody model (blackbodies are opaque objects that emit thermal radiation).
The basic idea is that across the CMIP3 models there was a strong correlation of mid-tropospheric humidity variations with the model sensitivity, and combined with observations of the real world variations, this gives a way to suggest which models are most realistic, and by extension, what sensitivities are more likely.
When combined with previous observations, new research with the Heterodyne Instrument for Planetary Wind And Composition (HIPWAC) joined to the large aperture of the Subaru telescope supports the model that Titan has currents or jet streams at high latitudes racing through its upper atmosphere (stratosphere) at speeds of approximately 756 km / hour (470 miles / hr.).
This dataset contains millions of genomic sequences from a diverse set of rice varieties that, when combined with phenotyping observations, gene expression, and other information, provides an important step in establishing gene - trait associations, building predictive models, and applying these models to breeding.
The research is a good example of how models and observations can be combined to provide new insights into wildfires, says Prof Guido van der Werf from Vrije University in the Netherlands, who was not involved in the study.
Researchers also combine their observations and data with computer models that try to replicate weather and sea ice conditions in the Arctic.
Evaluation ratings would combine the evidence from multiple sources in a judgment model, as Massachusetts» plan does, using a matrix to combine and evaluate several pieces of student learning data, and then integrate that rating with those from observations and professional contributions.
The paper argues that climate sensititvity to CO2 is much lower according to «observation» and that simplified «models» combining PDO and CO2 can «explain» most of 20th century warming through PDO - induced changes in cloud cover.
The basic idea is that across the CMIP3 models there was a strong correlation of mid-tropospheric humidity variations with the model sensitivity, and combined with observations of the real world variations, this gives a way to suggest which models are most realistic, and by extension, what sensitivities are more likely.
The researchers at the Laboratory for Climate Sciences and the Environment at Gif sur Yvette analysed computer models of the interactions between climate and the biosphere, and combined them with observations of carbon dioxide uptake from ecosystems, and records of crop yields.
Scientists can combine these observations with empirical models of Earth's space environment and thus forecast space weather for the government, power companies, airlines, and satellite communication and navigation providers and users from around the world.
The GRACE observations over Antarctica suggest a near - zero change due to combined ice and solid earth mass redistribution; the magnitude of our GIA correction is substantially smaller than previous models have suggested and hence we produce a systematically lower estimate of ice mass change from GRACE data: we estimate that Antarctica has lost 69 ± 18 Gigatonnes per year (Gt / yr) into the oceans over 2002 - 2010 — equivalent to +0.19 mm / yr globally - averaged sea level change, or about 6 % of the sea - level change during that period.
Penn State and the University of Hawaii both shared a grant of $ 770,000 for a research project called «Improved Projections of the Climate Response to Anthropogenic Forcing: Combining Paleoclimate Proxy and Instrumental Observations with an Earth System Model».
The method combines the results of long - term atmospheric reanalyses downscaled with a stochastic statistical method and homogenized station observations to derive the meteorological forcing needed for hydrological modeling.
Since all climate models agree (possibly because of tuning) about the combined WV+LR feedback through clear skies (globally at least), the differences between models arises and between models and observations (globally at least) comes from OLR from cloudy skies.
The work is to develop and validate new and innovative products combining field data, satellite observation, and models.
Jim S August 28, 2013 at 9:40 pm «One possible explanation for the discrepancy is that forced and internal variation might combine differently in observations than in models
CAMS has been up and running since the summer of 2015 and combines models and observations to monitor and forecast atmospheric pollution and greenhouse gases.
However, limited observations from the late 19th and early 20th centuries combined with models suggest that tropospheric O3 has increased from a global mean value of 25 DU (where 1 DU = 2.71016 O3 molecules / cm2) in the pre-industrial era to 34 DU today.
In it, observations and a numerical model that simulates one or more aspects of the Earth system are combined objectively to generate a synthesized estimate of the state of the system.
Combining observations with information from ECMWF's global forecast model produces a comprehensive, consistent and up - to - date record of the recent climate, unavoidably also carrying a degree of uncertainty.
Data assimilation systems, which combine information from observations and output from atmospheric models, also are being used to augment traditional observations and, in some instances, to take the place of data where no observations are available.
To me the most interesting outcome of all this is that the new «Cowtan and Way» combined models had much lower trends (halved) that appear to reflect observations.
20th Century Reanalysis: Methods and Applications To better understand and model the observed variability of the earth system, one can rapidly expand the available record by objectively combining disparate observations with numerical model - generated guesses.
Human - made climate forcing is stronger and more rapid than paleo forcings, but much can be learned by combining insights from paleoclimate, climate modeling, and on - going observations.
Her work combines mathematical and numerical modelling in comparison with observations.
Global - scale assessment of groundwater depletion and related groundwater abstractions: combining hydrological modeling with information from well observations and GRACE satellites
Airborne and satellite observations of West Antarctic topography and glacier flow speeds are combined with a computer model simulating ocean - driven glacier melting to show that the ice sheet's collapse is already underway.
The climate scientists didn't use climate models for the study but instead turned to observations, combining two techniques: Kriging and linear regression.
I then went to the ECMWF [the European Centre for Medium - Range Weather Forecasts] and drew down some high - resolution operational analysis data — a cocktail of observations and model data that combine to give a really good picture of the atmosphere.»
They find large differences between the observed and model correlation structure that can be explained by accounting for the combined influences of anthropogenic and solar forcing and internal variability in the observations.
David B. Rowley, professor of geophysical sciences at the University of Chicago, and fellow researchers came to the conclusions by combining observations of the East Pacific Rise with insights from modeling of the mantle flow there.
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