Sentences with phrase «numerical models of»

Because of the general unavailability of spatially detailed deformation data, areal stress - strain relations and their variability are not commonly considered in constraining conceptual and numerical models of aquifer systems.
Predictions of future climate, essential for safeguarding society and ecosystems, are underpinned by numerical models of the Earth system.
We know that the numerical models of climate are examples of temporal chaotic systems.
Modern numerical models of weather and climate are over half a century old.
We describe the Nambu reformulation of fluid dynamics, and the possible potential of such theory for constructing numerical models of the geophysical fluids.
Still no answer, same as you haven't explained why 500 = 1500 or how numerical models of closed physical systems like a jet engine or a contained high energy plasma = numerical model of an natural system on the scale of our planet.
This is the sort of thing that is easy to show with numerical models of the atmosphere.
Among the numerous star - planet interaction (SPI) models that have been developed, magnetohydrodynamic (MHD) simulations combine state of the art numerical models of cool star magnetospheres with simplified models of planets.
Since the topography of the cavity is critical to numerical models of the stability of the ice front, the results of this survey may be our most important work.
«We're building a picture of the temperature structure that will constrain numerical models of how Antarctica responds to changes in ice mass,» Wiens said.
Ultimately, we'd like to be able to reproduce the global signatures of these abrupt climate events with numerical models of the climate system, and investigate the physics that drive such events.»
Scott Kenyon, a theorist at the Harvard — Smithsonian Center for Astrophysics who builds numerical models of planet formation, echoes that assessment.
Historian of science Naomi Oreskes, now at Harvard, first came to my attention 20 years ago, when she and two co-authors argued in Science that «verification and validation of numerical models of natural systems is impossible.»
«It's a challenge to people who do numerical models of earthquakes, anybody who does theory of dynamic rupture,» Marone says.
Howat and his team were able to figure this out by creating high - resolution topographic models of the glaciers and their boundaries, as well as a numerical model of exactly how much water was flowing off these coastal glaciers and ice caps — technology that wasn't available back in 1996.
«This information is often used in numerical modeling of landslide - generated tsunami waves.»
The group reached the conclusion after having succeeded in the mathematical reproduction of the planet's current atmospheric conditions, through computer modeling that used a numerical model of the atmosphere developed by the Met Office, the UK's national meteorological service.
To study this, researchers used an numerical model of a small parcel of a planetary core, rather than simulating the core as a whole, which would require too much calculation power.
Bdzil's detonation shock dynamics method has become the recognized standard for highly accurate numerical modeling of detonation in high - explosive systems.
The job scope is numerical modeling of wire - feed additive manufacturing of metals.
The Mathematics of the Weather is a forum for the discussion of new numerical approaches for use in numerical forecasting, climate modelling and research into numerical modelling of the atmosphere.
With Washington State University since 2002, Dolan studies dynamic load on low - rise buildings, dynamic response of light - frame buildings, response of dowel connections dynamic testing of structural assemblies and numerical modeling of structural and material response.
Phytoplankton production and light response; analytical and numerical modeling of primary production and pelagic ecosystems; bio-optical oceanography; phytoplankton physiology; carbon dioxide flux at the air / sea interface.
Even with the best numerical model of ice flow available, if the data going into it is not accurate, then the predictions will not be reliable.
A numerical model of interactions between a polar ice stream and the ocean: Application to ice stream E, West Antarctica.
A numerical model of interactions between a marine ice sheet and the solid earth: Application to a West Antarctic ice stream.
A new numerical model of coupled inland, ice stream, and ice shelf flow and its application to the West Antarctic ice sheet, JGR.
A 2 - D numerical model of snow / ice energy balance and ice flow for paleoclimatic interpretation of glacial geomorphic features.
She received a Ph.D. from ETH - Zurich in 2002 for her work on the numerical modeling of faulting behavior and local stress evolution in response to regional tectonics and evolving fault hydraulic properties.
Potential topics include: (1) Advanced numerical modelling of magnetic flux tubes / loops in the low solar atmosphere (2) Forward modelling of spectroscopic and narrowband EUV observations of the low solar atmosphere, (3) Solar Rotational Tomography of EUV and / or coronagraph coronal observations, (4) Automated detection and prediction of coronal mass ejections, (5) Analysis of solar wind turbulence observations by in situ spacecraft, (6) Eclipse instrumentation, observations and data analysis.
We found that 14C - assimilation could be described by the same function of CO2 for both approaches but showed different dependencies on HCO3 — when pH was varied at constant TIC than when TIC was varied at constant pH. A numerical model of Trichodesmium's CCM showed carboxylation rates are modulated by HCO3 — and pH. The decrease in Ci assimilation at low CO2, when TIC was varied, is due to HCO3 — uptake limitation of the carboxylation rate.
New 3D bathymetry and sediment distribution in Lake Vostok: implication for pre-glacial origin and numerical modeling of the internal processes within the lake
I do numerical modelling of physical phenomena for a living, so I know something about model validation procedures.
I'm not claiming this is or isn't a realistic numerical model of climate response, I'm just trying to accurately describe how the model works.
That's my numerical model of thermal inertia FWIW.
Anything you get is an emergent property of the physics involved (or errors in your discrete analogue needed for making a numerical model of the continuous equations).
«Empirical» meaning «I have no idea why, exactly, the apple falls, but I know enough to try to find a numerical model of what actually happens.»
This product primarily exploits high - quality measurements of air samples collected at tens of sites around the world by various laboratories (119 sites for CO2, 30 sites for CH4 and 127 sites for N2O), in combination with a numerical model of atmospheric tracer transport (Chevallier et al. 2010, Bergamaschi et al. 2013, Thompson et al. 2014).
A full explanation will require numerical modeling of glacier flow, but observations to date suggest that ice shelves act as «braking» systems on the glaciers behind them.
It's not based on a numerical model of how oil would likely move and disperse if a well off Delaware really did have a major problem; that's a function of wind, tide, current, the properties of the oil, the rate and quantity of spillage, and of course the effectiveness of our efforts to contain the oil in such an incident.
The problem is in the argument, used quite extensively to give credential to projection in front of a public not used to numerical modeling of Chaotic PDE, that GCM are computer implementation of first physical principles, which makes the model inherently «solid».
Woodburn, a hydrogeologist by training, along with Carl Steefel, head of Berkeley Lab's Geochemistry Department, will develop a mechanistic numerical model of the Cosumnes River watershed, which extends from the Sierra Nevada to south of Sacramento, ultimately feeding into the Sacramento - San Joaquin River Delta and the California State Water Project, the major source of water for much of Southern California.
NASA Visualizes the Dance of a Melting Snowflake NASA has produced the first three - dimensional numerical model of melting snowflakes in the atmosphere.
If verified experimentally, then construct a numerical model of the experiment and scale up from there.
This paper is devoted to a brief critical review of major achievements and shortcomings in numerical modeling of climatic characteristics of the World Ocean.
NASA has produced the first three - dimensional numerical model of melting snowflakes in the atmosphere.
Among other reasons, small errors in the numerical modelling of complex processes have a nasty habit of accumulating with time.

Not exact matches

I will not answer this question in a quantitative way, which may disappoint those who want numerical forecasts; in fact, I will be making a few criticisms of the simple models that are often employed for this purpose.
Stumm said the study would include «putting a network of outpost wells, filling in gaps in information, and using the information in a numerical model to make predictions for management.
Armed with their model, the researchers want to identify and understand deficiencies in state - of - the - art numerical weather models that prevent them from predicting weather on these subseasonal time scales.
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