critical elevation

critical elevation

[′krid·ə·kəl ‚el·ə′vā·shən]
(mapping)
That elevation which is the high point within the area of a chart.
References in periodicals archive ?
But on Sunday, the dam's reservoir was again below its low critical elevation of 160 meters above sea level, dropping to 159.05 meters as of 11 a.m.
"As the water level crept closer to the critical elevation, we started checking every 15 minutes, then every 10 minutes, and then five minutes."
While the water level approached the critical elevation (1,829 ft), the rescuers fine-tuned their cut-through plan.
novel as a feminine form and the simultaneous critical elevation of
FRIDAY, March 2, 2018 (HealthDay News) -- Pregnant women can safely exercise in warm weather or sit in hot baths or saunas for a short period of time without risking critical elevations in core temperature, according to a review published online March 1 in the British Journal of Sports Medicine.
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