deepening

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deepening

[′dēp·ə·niŋ]
(meteorology)
A decrease in the central pressure of a pressure system on a constant-height chart, or an analogous decrease in height on a constant-pressure chart.

deepening

A further decrease in the central pressure of a pressure system. A depression is deepening if there is a further fall of pressure at its center. The term is normally used with low-pressure systems, although it could be used with a high-pressure system as well.
References in periodicals archive ?
Near two years earlier, Great Lakes deepened a different section of the Delaware River and is now seeks to continue its efforts to deepen the river's navigation channel.
It is stated that Option B, which is the final option for the PortMiami contract, includes dredging of one million cubic yards of material from Fisher Island Turning Basin to Fisherman s Channel which deepens the channel and berthing area from 42 feet to 50 feet.
The Minister also announced the adoption of a 2012-2015 work plan to deepen trade and investment ties between Canada and ASEAN, the Association of Southeast Asian Nations.
Earl Ofari Hutchinson of the Public Policy Roundtable said the way the situation was handled deepens suspicion of the Los Angeles Police Department.
Performing the exercise in retrograde deepens understanding of the end position and how to get there, he says.
Other measurements confirm that across most of the equatorial Pacific, El Nino deepens the warm-water layer inhabited by the primary producers in the ocean food web--the photosynthetic plankton.