Balanced against this,
higher resolution modelling studies typically project substantial increases in the frequency of the most intense cyclones, and increases of the order of 20 % in the precipitation rate within 100 km of the storm centre.
Not exact matches
He and Krause also think that Willerslev's
study needs to be confirmed with
higher resolution sequencing to rule out contamination, and to have more population genetics
modeling explain the distribution of these genetic types.
The
study, published today in the journal Environmental Research Letters, is based on a new
high -
resolution model that maps flood risk across the entire continental United States, whereas the existing regulatory flood maps produced by the Federal Emergency Management Agency (FEMA) cover about 60 percent of the continental U.S.
The
highest resolution GFDL
model, CM2.6, matched the Northwest Atlantic circulation and water mass distribution most accurately,» said Vincent Saba, a NOAA fisheries scientist and lead author of the
study.
While
studying for his doctorate with the
study's senior author, UC Berkeley Prof. Barbara Romanowicz, Lekic developed a method to more accurately
model waveform data while still keeping computer time manageable, which resulted in
higher -
resolution images of the interaction between the layers of Earth's mantle.
Currently I am involved in a very interesting project: The
study of the network oscillations in the brain using an in - vitro animal
model and a new
high resolution microelectronic device.
The
study compared pre-industrial and present - day results in current global
models to the newer
high -
resolution model with the PNNL - MMF extension.
This
study showed that
higher resolution climate
models tend to more realistically depict how droplets form a cloud and how precipitation develops.
The results are presented at a
resolution high enough to enable
studying ocean eddies and other narrow current systems, which are overlooked by lower -
resolution models.
These results confirm the need to use global
high resolution models to
study the aerosol indirect effects.
And a few months ago, a
study with a
high -
resolution ocean
model appeared, suggesting that the meltwater from Greenland is likely to weaken the AMOC considerably within a few decades (Böning et al. 2016 — as we reported).
It would be useful to carry out more detailed
studies with
higher resolution climate
models including the most realistic possible distribution of meltwater.
The reconfiguration strategy included
high -
resolution enhancements at its Southern Great Plains (SGP) site and upgrades at its North Slope of Alaska (NSA) site that will yield additional observations to support
modeling and process
studies.
More work at a
higher resolution, combined with
modelling studies, is required to fine - tune and better understand the longer - term history of Pine Island Glacier.
The atmospheric components of climate
models were never really designed for the
study of TCs, but the fact that they can produce features with TC - like character when run at sufficiently
high resolutions, gives us increased confidence in the possibility that climate
models can be used to analyze climate change impacts on TCs.
But the GFDL
study is based on a state - of - the - art
high -
resolution model that is more appropriate for hurricane
studies and provides important evidence suggesting that climate change may have an effect on the TCs.
GCMs tend to be too coarse to resolve cyclones, but
high -
resolution regional
models for storm
studies exist.
That same day I met Synte Peacock, a former Ph.D. student of mine, in the cafeteria and we decided to use the NCAR - LANL
high resolution model to perform some dye release
studies.
Meanwhile,
high -
resolution hurricane
models can forecast the growth and path of tropical storms, but would require much greater computer power or eons of time to simulate the large samples of storms required for climate - change
studies.
Our
study shows that in 35 - years long
high -
resolution simulations the new
model version can reproduce the state of the Fenno - Scandinavian lakes realistically, thus leading to a better representation of the overall climate.
One recent
study used
higher resolution atmospheric
models and found that several regions over the US experienced an increase in wind energy of around 2 %.
One of the difficulties of
studying the water cycle, Wei said, is that the water sources for precipitation can not be directly observed, so the team also used a mathematical moisture - tracking method and
high -
resolution model simulations.
Given the different responses of
high - and low -
resolution models to CO2 forcing, the authors emphasize the importance of
model choice for any
study of extreme precipitation.
A new international
study is the first to use a
high -
resolution, large - scale computer
model to estimate how much ice the West Antarctic Ice Sheet could lose over the next couple of centuries, and how much that could add to sea - level rise.
This result suggests that current projections of regional climate change may be questionable.This finding is also highly relevant to regional climate
modelling studies where lower
resolution global atmospheric
models are often used as the driving
model for
high resolution regional
models.
The US CLIVAR / OCB Southern Ocean Working Group was formed to identify critical observational targets and develop data /
model metrics based on the currently available observational data, both physical and tracer, and the assimilative
modeling (re) analyses, and evaluate and develop our understanding of the importance of mesoscale eddies in the heat and carbon uptake and of the response of the Southern Ocean to a changing climate, using
high -
resolution numerical
studies and theory.
This
study is a clear shot across the bow against some previous research showing
higher potential rates of oceanic sequestration, all of which used coarser
resolution models that may not have accurately simulated critical variables, including particle circulation.
In the first
study, the research team from PNNL and Los Alamos National Laboratory used idealized global
model simulations of the aquaplanet with Model for Prediction Across Scales - Atmosphere (MPAS - A) and Weather Research and Forecasting Model (WRF) to run at low, high and variable resolut
model simulations of the aquaplanet with
Model for Prediction Across Scales - Atmosphere (MPAS - A) and Weather Research and Forecasting Model (WRF) to run at low, high and variable resolut
Model for Prediction Across Scales - Atmosphere (MPAS - A) and Weather Research and Forecasting
Model (WRF) to run at low, high and variable resolut
Model (WRF) to run at low,
high and variable
resolutions.
paper refers to a new
model which makes it possible to
study the globally impacts of aerosols on warm clouds (T > 0 ° C) thanks to a much
higher resolution than former approaches.
Both
studies are part of a
model improvement plan to compare different
high -
resolution climate
modeling approaches and find the impacts of
model resolution on results.
In her
study, RCMs operating at the typical 25 — 50 km scale
resolution tend to overestimate the positive soil moisture — precipitation feedback in the Alpine area, which is better represented by
higher resolution models.
But because the stakes are so
high, the researchers also urge for more
studies to track the movement of freshwater throughout the region with greater
resolution and detail so that
models — both conceptual and computational — can be more tightly constructed to match the realities of our changing planet.
Using an ensemble of four
high resolution (~ 25 km) regional climate
models, this
study analyses the future (2021 - 2050) spatial distribution of seasonal temperature and precipitation extremes in the Ganges river basin based on the SRES A1B emissions scenario.
The relationship is exponential, resulting in an increase of SMB as a function of Antarctic SAT change evaluated in various recent
studies with
high -
resolution (~ 60 km)
models as 3.7 % °C — 1 (Bengtsson et al., 2011), 4.8 % °C — 1 (Ligtenberg et al., 2013) and ~ 7 % °C — 1 (Krinner et al., 2007).
Studying Chinese summer thunderclouds the researchers found that an increase in aerosols led to larger and more persistent convective cloud systems, with larger anvils at several kilometers of altitude that may reflect more sunlight, but trap even more heat — as their
high -
resolution model showed.
A recent
study using a
higher -
resolution model, however, finds no evidence of future intensification except for precipitation [20].
The review
study found that
high -
resolution mixed layer ocean
models can represent some of the complicated air - sea interactions and recommended that scientists use coupled simulations and evaluate them in terms of the observed relationship between convection and sea surface temperature and associated variables.
In order to
study if an underrepresentation of weak magnetic fields in the Carrington rotation synoptic charts is the explanation for the difference between our
model and the observation, full - disk images with
higher spatial and temporal
resolution should be analyzed in future.
Higher resolution observations have recently become available, and
model A could possibly be improved in future
studies.
North American Regional Climate Change Assessment Program The North American Regional Climate Change Assessment Program (NARCCAP) is an international effort that produces
high -
resolution regional climate
model simulations of North America's climate, for regional analysis and impacts
studies.
For processes such as boundary layer turbulence that are computable in limited areas if sufficiently
high resolution is available, parameterization schemes are increasingly also tested with data generated computationally in local process
studies with
high -
resolution models (e.g., large - eddy simulations), likewise at only a few locations.
Recent
studies show that global
high -
resolution models have remarkable skill in simulating the interannual variability in cyclone counts, implicating strong control by sea surface temperatures patterns.
We review evidence for climate change over the past several millennia from instrumental and
high -
resolution climate «proxy» data sources and climate
modeling studies.
We know this from «downscaling»
studies made by using
high -
resolution regional climate
models to add local detail to larger - scale changes derived from coarser -
resolution global
models.
The average intensity of the storms that do occur increases by a few percent (Figure 6), in general agreement with previous
studies using other relatively
high resolution models, as well as with hurricane potential intensity theory (Emanuel 1987).
A new
study from Lawrence Berkeley National Laboratory (Berkeley Lab) breaks new ground by using a
high -
resolution model of the continental United States that incorporates land - surface feedback to probe the effects of deploying light - colored roads and rooftops.