Physical geography

Physical geography

Contributors in Physical geography

Physical geography

Any chemical sprayed on crops to prevent disease or to kill pests which attack the plants. In modern times, concerns have been raised as to their safety as studies have not had enough time to see the ...

psammosere

Geography; Physical geography

Succession of plants in a sandy environment such as coastal dunes.

effluent

Geography; Physical geography

Water released to the environment after treatment.

physical weathering

Geography; Physical geography

(also mechanical weathering) a process of weathering which results in smaller pieces of the same rock material being produced.

plankton

Geography; Physical geography

Any drifting biota inhabiting the pelagic (non-bottom) zones of seas and lakes. Important food source for marine organisms.

earthquake

Geography; Physical geography

Sudden release of energy through the earth’s crust in the form of seismic waves. Tension builds up within the crust as convectional forces in the mantle try to move the plates above but are prevented ...

overland flow

Geography; Physical geography

Water running over the surface of the land into a river channel or body of water. May occur due to: impermeable rock surfaces, saturated soils, rainfall intensity exceeding infiltration rate, ...