Relier Pairs Climate: relating termsVersion en ligne Link the geographical term with its definition to practice the geography glossary. National Geographic Insitute of Spain. par Instituto Geográfico Nacional (IGNSpain) 1 Atmospheric pressure 2 Anticyclone 3 Isohyet 4 Climate change 5 Low-pressure area 6 Isobar 7 Atmospheric weather 8 Climate Activity region with atmospheric pressure below 1013 millibars, which is the average pressure at sea level. In low-pressure areas, air rises and, in the northern hemisphere, it circulates counter-clockwise. Activity region with atmospheric pressure greater than 1013 millibars, which is the average pressure at sea level. In anticyclones, the air masses descend and, in the northern hemisphere, they circulate clockwise. The usual sequence of atmospheric conditions or types of weather in a given place or region over an extended period of time. Variation in the elements of the Earth's climate that can be due to natural and human causes. The force that atmospheric air exerts per unit area on the Earth's surface. An imaginary line drawn on a map that connects all the points with the same precipitation over a period of time. Imaginary line on a map connecting all points with the same pressure. The physical state of the atmosphere at a given time and place.
