below sea level
Under ocean surface
Below sea level describes elevations lower than the ocean's surface, used as a baseline for measuring altitude.
The Dead Sea and Death Valley lie below sea level.
The phrase often highlights geographical extremes or flood risk: Much of New Orleans sits below sea level.
The tunnel descends to 250 feet below sea level.
- depressionProlonged low state
- submergedBelow water's surface
- underwaterBelow the surface
- deep waterSignificantly submerged aquatic zone
- Death ValleyBelow-sea-level California desert
Netherlands · lowland · basin · drainage basin · sinking · marsh · salt flat · salt lake · aquifer · sea bed · flooded · flood plain · reclaimed · dike · polder · elevation · negative · trough
- DutchDutch, Holland, Amsterdam, Netherlands, Rotterdam
- Lowland landscapespolders, dikes, dykes, canals, flatlands
- elevation zonesalpine zone, altitudinal zonation, death zone, alpine tundra, high altitude
- measurementsheight, stature, meters, depth, pound
below sea levelabove sea level
Positive altitude measurement
elevated · high altitude · high elevation · upland · highland
below sea levelmountainous terrain
Land with many peaks
mountain peak · summit · mountaintop · mountainous · high ground
below, level, lower, lowest, lowly, lowness, seawater, seafarer, seashore