Sentences with phrase «shallow soil»

Using a test array they installed in Richmond, California — with fiber - optic cable placed in a shallow L - shaped trench, one leg of about 100 meters parallel to the road and another perpendicular — the researchers verified that they could use seismic waves generated by urban traffic, such as cars and trains, to image and monitor the mechanical properties of shallow soil layers.

Dr Sam Clarke, who led the EPSRC - funded project, says: «Detonations of explosives in shallow soils are extremely complex events that involve the interaction of the shock waves with the surrounding soil, air and water.

Deeper soils not only experience less extreme seasonal variations in temperature, but the changes that do occur lag farther behind those of shallower soils.

And some are in the Sierra foothills, which have a four - season climate and shallow soils known for producing low yields of high quality.

Conditions within the properties managed by the Escarpment Biosphere Conservancy (EBC) vary significantly and range from very productive forestland, to open grasslands, to Alvar conditions with shallow soils.

While the plants can cope with dry, thin soils, foilage may become pale and yellow on very shallow soil over chalk.

Toads, by day asleep buried in shallow soil, emerge eyes first at dusk, throats pulsing like a billowing sail, and ready for work.

Given his training, one would think that any word from Jesus would fall on shallow soil or rocky ground or in the thorn patch of pride for this man, who was both a Jew of the tribe of Benjamin and a Roman citizen.

Dividing the area into a grid of 210 - meter cells, they simulated ground motion for a magnitude 7 Seattle fault earthquake and then further subdivided into 5 - meter cells, applying anticipated amplification of shaking due to the shallow soil layers.

«You go from having shallow soil that is between half a meter and two meters deep, to something that is like a soil that is a hundred meters deep.