Theory question 207
Weather(a) Distinguish between weather and climate (b) Identify and describe any four elements of weather (c) Mention three uses of rainfall data to man
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(a) Weather is the state of the atmosphere at a place over a short time (hours or days); climate is the average weather over a long period (about 30-35 years) of a large area.
(b) Temperature (degree of hotness, measured by thermometer); rainfall/precipitation (rain gauge); humidity (amount of water vapour, hygrometer); pressure (barometer); wind speed and direction (anemometer, wind vane); sunshine (sunshine recorder); cloud cover.
(c) Planning planting and harvesting; planning irrigation and water supply; flood control and dam design; aviation and shipping; drawing climatic maps; construction planning.
Name the instrument for each element.