ESA Data Ontology: ESADO: DIVERGENCE

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DIVERGENCE

Pressure fluctuations at the Earth's surface are produced by movements of air which produce changes in the mass of air in a vertical column above the ground. A net gain in mass produces an increase in pressure leading to a high pressure system. A net loss of mass gives rise to a low. When there is a horizontal flow of air into a region (convergence) a vertical upward movement of air occurs otherwise there would be a continual increase in density of the air. Divergence occurs when there is a net horizontal outward flow of air from a region. This leads to a vertical downward movement of air. (en)

2017-04-20 14:37:34.0 [sritz] Insert Concept add broader relation (DIVERGENCE [5c58acfc-04ed-4cbf-8674-13c41b3e950d,278863] - WIND DYNAMICS [492ffe26-8fbe-4d7d-a537-495fb96bdcce,278857]);
2017-04-21 11:15:59.0 [tstevens] insert Definition (id: null text: Pressure fluctuations at the Earth's surface are produced by movements of air which produce changes in the mass of air in a vertical column above the ground. A net gain in mass produces an increase in pressure leading to a high pressure system. A net loss of mass gives rise to a low. When there is a horizontal flow of air into a region (convergence) a vertical upward movement of air occurs otherwise there would be a continual increase in density of the air. Divergence occurs when there is a net horizontal outward flow of air from a region. This leads to a vertical downward movement of air. language code: en);

https://gcmd.earthdata.nasa.gov/kms/concept/5c58acfc-04ed-4cbf-8674-13c41b3e950d

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ESA Data Ontology