Sentences with phrase «over large regions»

There is a gap in our knowledge about brain network function because we lack the tools to study large numbers of neurons spread over large regions of the brain.

Scientists say there was no new record set this year because summer temperatures were cooler than in the past two summers and because winds tended to disperse ice over a larger region.

They have to travel over large regions of the ocean in search of this type of prey and to reach the areas where they live.

It is also the first study to suggest that African dust interacts with clouds over a large region.

These are spread out over large regions of space and contain a lot of gas between and within individual galaxies.

Abstract: A key goal of the Stage IV dark energy experiments Euclid, LSST and WFIRST is to measure the growth of structure with cosmic time from weak lensing analysis over large regions of the sky.

Temperatures were substantially above average over a large region stretching from north - eastern Africa through the Middle East and into China and the Indian sub-continent.

Consequently, development in the 1002 Area would require a large number of small production sites spread over a large region, and connected by an infrastructure of roads, pipelines, power plants, processing facilities, loading docks, dormatories, airstrips, gravel pits, utility lines and landfills.

The rationale for presenting modelled dust variability in this way isn't clear when it's straightforward to plot the modelled dust load over a larger region as I've done in the graph linked in the post above.

Sequences of specific states repeatedly reoccur over large regions of space and long periods of time.

«Here's an archipelago of volcanic islands that are broadly active over a large region, and the plume is almost decoupled from the plate motion itself,» Toomey said.

«One of the key advantages of observing at long radio wavelengths,» explained NRL astronomer, Dr. Namir Kassim, «is that the field - of - view is so large that a single observation can efficiently detect transient phenomena over a large region.»

-- Researchers have studied the underlying climate controls for sugar beet and potato production over large regions (Tubiello et al. 2002; Jones et al. 2003; Haverkort and Verhagen 2008; Qi and Jaggard 2008).

«As a result of the acceleration of outlet glaciers over large regions, the ice sheets in Greenland and Antarctica are already contributing more and faster to sea level rise than anticipated,» he observed.

At least one of the astronomers suspects a star in that cluster exploded as a supernova and shot out gas filaments that formed new stars over a large region of space.

They are currently investigating whether the mesoporous structure is as uniform over large regions of the glass filament as it is in the 100 micrometer section they analysed for the current publication.

In forests, periodic insect epidemics kill trees over large regions, providing dead, desiccated fuels for large wildfires.

The calculations I have seen that might «constrain» the size of this effecct are based on equilibrium conditions, which I think are unlikely to be very accurate when applied to a system in which each surface region warms and cools every day, and which has rainstorms over large regions, and which never achieves equilibrium.

Attribution of the observed warming to anthropogenic forcing is easier at larger scales because averaging over larger regions reduces the natural variability more, making it easier to distinguish between changes expected from different external forcings, or between external forcing and climate variability.

Well above average temperatures also occurred over the eastern and far southern USA and northern Mexico, and over a large region extending eastwards and southwards from Turkey and the Caucasus region, across the Middle East and north - eastern Africa.

The estimated return time of the 3 - day precipitation event exceeds 50 years over a large region, and an increase in the occurrence of similar extreme precipitation events is projected by the end of the 21st century.

If a coronal mass ejection takes place (which is an event that sends an even larger amount of material than a flare with more energy) there could be temporary loss of power over large regions when transformers and power stations are blown out due to the energetic particles.

Nevertheless, as pieces of evidence accumulated, a growing number of scientists found it plausible that the climate over large regions, if not the entire world, had sometimes changed markedly in a thousand years or even less.

Sensors provide total column water vapor data over large regions and are not highly influenced by clouds.

The flow of relatively warm moisture from the Pacific can clearly be seen «changing over» to snow over large regions for no logical reason as the incoming flow of Pacific moisture was not cold enough.

This type of analysis may be useful for future applications of using seismic records to track the strength of sea ice over large regions, which has been difficult to determine from satellite observations.»

However, high - resolution mapping of tropical forest canopies is challenging because traditional field, airborne and satellite measurements can not easily measure the canopy chemical or taxonomic variation among species over large regions.

Weak lensing cosmology will be challenging: in addition to highly accurate galaxy shape measurements, statistically robust and accurate photometric redshift (photo - z) estimates for billions of faint galaxies will... ▽ More A key goal of the Stage IV dark energy experiments Euclid, LSST and WFIRST is to measure the growth of structure with cosmic time from weak lensing analysis over large regions of the sky.

It shows that the blockage of one vessel causes a local loss of oxygen in the retina, which triggers release of VEGF that spreads over a larger region, which, in turn increases the probability of blockage in the surrounding vessels, creating a «domino effect.»

The authors also discussed the eleventh chapter in the report, dedicated to decadal predictions, that finds that, over large regions of the planet and in the global mean, predictions of average temperature exhibit positive skill.