Sentences with phrase «models and observations as»

The Problem Re-stated IPCC's Government Draft attempt to frame the discrepancy between models and observations as due to «natural variability» is ultimately a statistical problem — never a strong point of IPCC authors.

I see the growing disagreement between models and observations as climate science's version of the ultraviolet catastrophe.

Not exact matches

As used in science, a theory is an explanation or model based on observation, experimentation, and reasoning, especially one that has been tested and confirmed as a general principle helping to explain and predict natural phenomenAs used in science, a theory is an explanation or model based on observation, experimentation, and reasoning, especially one that has been tested and confirmed as a general principle helping to explain and predict natural phenomenas a general principle helping to explain and predict natural phenomena.

As used in science, however, a theory is an explanation or model based on observation, experimentation, and reasoning, especially one that has been tested and confirmed as a general principle helping to explain and predict natural phenomenAs used in science, however, a theory is an explanation or model based on observation, experimentation, and reasoning, especially one that has been tested and confirmed as a general principle helping to explain and predict natural phenomenas a general principle helping to explain and predict natural phenomena.

That said, the case has been made that if the Christian god exists, then «God should be detectable by scientific means simply by virtue of the fact that he is supposed to play such a central role in the operation of the universe and the lives of humans», with the conclusion that» [e] xisting scientific models contain no place where God is included as an ingredient in order to describe observations.»

It is not surprising that the positivist finds in quantum physics support for his conviction that we should discard all model; and treat theories as mere calculational devices for correlating observations.

You stated: «As used in science, however, a theory is an explanation or model based on observation, experimentation, and reasoning, especially one that has been tested and confirmed as a general principle helping to explain and predict natural phenomena.&raquAs used in science, however, a theory is an explanation or model based on observation, experimentation, and reasoning, especially one that has been tested and confirmed as a general principle helping to explain and predict natural phenomena.&raquas a general principle helping to explain and predict natural phenomena.»

This model is well understood theoretically and strongly supported by recent high - precision astronomical observations such as WMAP.

Some, such as the «double - helix» model of the DNA molecule, are closer to observations and can be taken more literally.

With babies and toddlers, modeling observation making is as simple as talking to them about what you see, hear, smell, touch, and taste.

The programs that were identified as having promise for implementation were kangaroo care, infant message, guided observation of child behaviour with modelling and parent - child interaction time along with parent group discussion / support.

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.

Survey data gathered voluntarily from homeless youth in Los Angeles, as well as behavioral theories and observations of previous interventions, were used to build a computational model of the interventions.

Bajcsy uses non-invasive observations of movement and devises algorithms to model the features and properties of patients» movements, known as kinematics.

This modeling would be aided by observations that somehow capture the direction of the magnetic field within the CME as it leaves the sun and by «a better understanding of how the magnetic field will change and evolve as the CME makes its multiday transit from the sun to Earth,» Viereck says.

Two years out of graduate school and keen on becoming a professor, Kaltenbacher was passionate about her work on inverse problems, which she describes as «mathematical modeling in a reverse way,» starting with observation rather than first principles.

These dust particles have surprisingly diverse mineral content and structure as compared with models of interstellar dust based on previous astronomical observations.

What he found was that not only were the simulations much closer to actual observations, but the high - resolution models were far better at reproducing intense storms, such as hurricanes and cyclones.

«However, knowing it will increase is one thing, but having a confident statement about how much and where as a function of location requires the models do a better job of replicating observations than they have.»

As the filament waned, the model demonstrates heat and energy were released into the solar atmosphere, matching the initial observations.

Changes in fall - winter rainfall from observations (top panel) as compared to model simulation of the past century (middle panel), and a model projection of the middle of the 21st century.

«We compare observations and models to figure out how well our models are performing, as well as how we should interpret our space - based observations.»

The observation «confirmed several key astrophysical models, revealed a birthplace of many heavy elements and tested general relativity as never before,» said Cho.

Zebrafish have emerged as an important vertebrate model for cardiovascular research for a number of reasons, including the ability to regenerate its heart if damaged, and because the transparency of the embryos allows easy observation of internal processes like blood vessel development.

The UM Rosenstiel School researchers used historical observations of cloud cover as a proxy for wind velocity in climate models to analyze the Walker circulation, the atmospheric air flow and heat distribution in the tropic Pacific region that affects patterns of tropical rainfall.

«As astrophysical observations and simulations improve, we're doing increasingly precise comparisons between the models of how galaxies form and the observations of what galaxies actually look like,» Carroll says.

The observations fit well with computer simulations, and can be used to refine models of how large - scale patterns, such as the distributions of galaxies and clusters of galaxies, came to be.

My view, and that of my colleagues at Chicago, Brian Fields and Craig Copi, is that the quality of the latest observations places strict constraints on all cosmological models and requires any new cosmological model to be as precise as the big bang model itself.

«Given our observations and modelling, we infer that P / 2013 P5 might be losing dust as it rotates at high speed,» says Agarwal.

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 this technique, scientists initiate a computer model with data collected before a past event, and then test the model's accuracy by comparing its output with observations recorded as the event unfolded.

Though the scientists don't know if such individual and pack behavior is a common occurrence, observations like these on Isle Royale provide insight into how animal societies function as well as the vicissitudes of the food chain cycle on Isle Royale, also helping to inform other models of the natural world.

«Our job is to collect as many observations as we can to send to the National Hurricane Center in Miami, and to NOAA's numerical models center in Washington.»

Now it turns out that the gap between models and observations isn't as big as scientists thought.

Using NASA satellite observations in tandem with supercomputer processing power for modeling systems, scientists have a comprehensive suite of tools to analyze El Niño events and their global impacts as never before.

The proportion of dwarf novae may be lower than found in catalogs, or they may have a much smaller duty cycle in general as proposed by some population synthesis models and recent observations in the field.

Right now, all of the models that forecasters use, as well as observations of what's currently happening in the tropical Pacific, are indicating that this El Niño is going to be a strong one come late fall and winter, when it usually peaks.

Ongoing radio observations (SMA, JCMT, VLA) of Sirius A are being used to set an observationally determined standard for stellar atmosphere modeling and debris disk studies around A stars, as well as to take the first step toward characterizing potential intrinsic uncertainty in stellar emission at these wavelengths.

Methods: As reported in Geophysical Research Letters, the team led by scientists from PNNL and the National Oceanic and Atmospheric Administration's Atlantic Oceanographic and Meteorological Laboratory used both observations and models to derive their new formula.

Primary neonatal cerebellar neurons have been used as a suitable model to evaluate developmental neurotoxicity because they allow for the observation of the various stages of neurodevelopment, including proliferation, migration, differentiation, and morphological and functional maturation [18].

Rather than use a model - based estimate, as did Hansen (2005) and Trenberth (2009), the authors achieve this by calculating it from observations of ocean heat content (down to 1800 metres) from the PMEL / JPL / JIMAR data sets over the period July 2005 to June 2010 - a time period dominated by the superior ARGO - based system.

In contrast to this observational approach, Schmittner (as well as a number of other papers, like reference # 4 in this post) take advantage of both models and observations, and try to use the observations to constrain which feedback parameters in the model are consistent (e.g., an overly sensitive model with the same forcings as another model will produce too big of a temperature change than observations allow).

Over the last five years, the BAMS report has examined more than 100 events as part of a burgeoning sub-field of climate science that uses observations and climate models to show how human - caused warming has already affected the odds or severity of many of the weather extremes we experience now.

As has become a habit (2009, 2010, 2011), here is a brief overview and update of some of the most discussed model / observation comparisons, updated to include 2012.

Current theories derived from computer models and astronomical observations indicate that a star and its planets form from a collapsing cloud of dust and gas within a larger cloud know as a nebula, according to the Space Telescope Science Institute in Baltimore.

The biogeochemical impacts of this «fertilization» remain unclear, as direct oceanic observations of atmospheric deposition are limited and models often can not resolve the important processes.

Such observations prompted us to use human NSCs expressing c - Myc, as a model to facilitate the generation of iPSCs and to study the reprogramming steps.

Abstract: We summarise recent progress in the understanding of the rotational evolution of low - mass stars (here defined as solar mass down to the hydrogen burning limit) both in terms of observations and modelling.

Scientists worldwide use the agency's field data, together with satellite observations and computer models, to tackle environmental challenges and advance our knowledge of how the Earth works as a complex, integrated system.

The team relied on climate modeling as well as observations to show that the effect is already occurring in the Arctic and is expected to increase in the future as the climate warms.