water from other sources than rain

ratio of the height of a layer of water being converted from the liquid into a solid state to a specified unit time during a freezing process

ratio of the height of a layer of soil being converted into a frozen state to a specified unit time during a freezing process

layer thickness of frozen water on an object produced by nature or by industrial labour

depth into soil that frost has penetrated at any given time

vertical distance between the top of a snow layer and the horizontal ground beneath

ratio of the distance covered by a body of water surrounding the object in question and moving in a specified direction, to the time taken to cover that distance

difference in level between high water and low water of a tide

difference of the height of the maximum wave to the mean sea level, generated by, e.g., earthquake, landslides, measured at the coastal line to which an object, e.g., a component, building, may be exposed at a given time period

depth in which an object, e.g., a component, may be immerged or submerged without loosing its specified function

length of time that something lasts or continues

trough-to-crest height of an extremely high single maritime ocean surface water wave

trough-to-crest height of the surface elevation between two consecutive downward- crossings of the still water level

height of the maximum surface elevation between two consecutive downward-crossings of the still water level

mean of the highest one-third of individual wave heights measured in a given period of time

dominating horizontal direction of the movement of the waves with the highest probability of occurrence

linear dimension measured in the vertical direction from the water surface to the bed

dominating horizontal main direction of the movement of the water current with the highest probability of occurrence

classification of maritime zones depending on their horizontal layer from atmosphere to subsoil

ratio of the motion of the tidal current driven by astronomical tides to a specified unit time and measured during a given period of time

horizontal direction of the movement of the tidal current driven by astronomical tides at a given location

ratio of the motion of the vectorial sum of tidal and non-tidal current components to a time unit and measured at a given period of time

horizontal direction of the movement of the vectorial sum of tidal and non-tidal current components and measured at a given period of time

long-term average level of the sea surface

average level of the sea surface over a relatively short period (usually in the range of 10-30 minutes), being used to distinguish water level variations (surges, tides) from shorter-period sea surface waves

ratio of the motion of the current driven by non-tidal mechanism to a time unit measured at a given period of time

direction of the horizontal movement of the current driven by non-tidal mechanisms

surface temperature of the surrounding sea water

mass fraction of dissolved salt material in seawater

lowest water level as result of astronomical prediction measured at a given period of time

highest water level as result of astronomical prediction measured at a given period of time

ratio of the horizontal motion of the direction-independent tidal current driven by astronomical tide to a time unit at a given location and measured at a given period of time

description of the marine fauna and flora types expected to occur and populating submarine installations

scalar or tensor quantity the product of which by the electric field strength in the water is equal to the electric current density at a given reference temperature of the water

value change of the mean sea level due to global warming to be considered at a specified period of time