n.

the level of the surface of a body of water

underground surface below which the ground is wholly saturated with water

同義詞：water tablegroundwater level

a line corresponding to the surface of the water when the vessel is afloat on an even keel; often painted on the hull of a ship

同義詞：waterlinewater line

a water gauge that shows the level by showing the surface of the water in a trough or U-shaped tube

Characterizing Seiche and Tide-driven Daily Water Level Fluctuations Affecting Coastal Ecosystems of the Great Lakes
Tolerance of Sphagnum to water level
Effects of measurement frequency on water-level summary statistics.
Adaptive neuro-fuzzy inference system for prediction of water level in reservoir
Effects of seasonal water level fluctuations on the littoral benthic fish community in a large lake: Lake Constance, Germany
Response of a Least Bittern (Ixobrychus exilis) population to interannual water level fluctuations.
Water level processing method and structure to manufacture two kinds of bumps, gold and solder, on one wafer
Germination of Ten Shoreline Plants in Relation to Seed Size, Soil Particle Size and Water Level: An Experimental Study
Ecology of Water-Level Manipulations on a Northern Marsh
Long-Term Responses of River-Margin Vegetation to Water-Level Regulation