Sentences with phrase «formed by rainfall»

Not only do the excessive numbers of cattle, and particularly sheep and goats, remove the vegetation, but their hoofs pulverize the protective crust of soil that is formed by rainfall and that naturally checks wind erosion.

Not exact matches

Formed over 5,000 years ago, the Ölfus Spring is continuously replenished by a gradual filtration of rainfall and snowmelt over uninhabited and untouched lava fields.

So he started out by replanting the land according to a system of natural succession — eventually reforesting the entire area and turning it into an incredibly biodiverse yet productive working farm which, it's claimed, has actually altered the microclimate around it in the form of increased rainfall and lower temperatures.

It forms when dimethyl sulphide produced by marine life reacts with the atmosphere as it leaves the ocean, and gets delivered into a wide variety of plants and root systems through rainfall.

Approximately ten miles long and 3,000 feet deep, Waimea (which is Hawaiian for «reddish water») was formed millions of years ago by erosion from the Waimea River, along with massive amounts of rainfall.

A team of Berkeley Lab researchers has performed molecular level analysis of desert biological soil crusts — living ground cover formed by microbial communities — to reveal how long - dormant cyanobacteria become activated by rainfall then resume dormancy when the precipitation stops.

In that case, the rate at which CAPE is being formed is approximately proportional to the rate at which moist warm air is rising, which in turn is approximately by the rainfall rate, since water is conserved.

«The difference in rainfall is caused by the temperature change between cropland and forest, which produces winds that converge over the crop area and form clouds.»