Geography

Geography

The study of physical characteristics of earth and the distribution and effects of life on earth, especially that of humans.

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Geography > Physical geography

infiltration rate

Geography; Physical geography

the rate at which water moves into the soil. Dependent on: Amount of water already in the soil, especially near the surface. Very wet and very dry soils have the slowest rates of ...

rilling

Geography; Physical geography

A series of small channels which form on a slope after heavy rainfall. Each channel may only be a couple of metres wide and half a metre deep, but they can develop into gullies if ...

green movement

Geography; Physical geography

Non-governmental organizations, political parties and, increasingly, public opinion which propose that care for the environment should inform and mould our behaviour much more ...

saturated adiabatic lapse rate

Geography; Physical geography

The rate of fall in air temperature by adiabatic change as saturated air gains altitude. Varies between 4 and 9蚓 per 1000m. Is slower than the dalr as latent heat is released ...

tropical cyclone

Geography; Physical geography

A severe low pressure weather system which develops over tropical maritime areas. A steep pressure gradient and the central uplift draws in high speed winds which spiral towards ...

lapse rates

Geography; Physical geography

the rates at which air temperature decreases with altitude. Three types: Environmental lapse rate (elr) Dry adiabatic lapse rate (dalr) Saturated adiabatic lapse rate (salr)