A graphical representation of stage or discharge at a point on a stream as a function of time.

A seasonal wind of persistent direction, characterized by a pronounced change in direction between seasons.

A warm, dry wind on the lee side of a mountain range, the warmth and dryness due to adiabatic compression upon descent.

The humidity transducinu element in a Diamond-Hinman radiosonde. Also called electrolytic strip.

See stage.

A systematic summary of the terms (inflow, outflow, and storage) of the storage equation as applied to the computation of soil-moisture changes, ground-water changes, etc. An evaluation of the hydrologic balance of an area. Also called basin accounting, w ...

An instrument for measuring the intensity of light or the relative intensity of a pair of lights. Also called an illuminometer. If the instrument is designed to measure the intensity of light as a function of wavelength, it is called a spectrophotometer. ...

In general. the severe wind of an intense tropical cyclone (hurricane or typhoon). The term has no further technical connotation, but, unfortunately, is easily conftlsed with the strictly defined hurricane-force wind,

An addition to a rawinsonde system which allows determination of the slant range to the radiosonde.

Lowest altitude in the atmosphere over a given location at which the air temperature is 0

A rain gauge which is placed under trees or foliage to determine the rainfall in that location. By comparing this catch with that from a rain gauge set in the open. the amount of rainfall which has been intercepted by foliage can be determined.

A type of cistern barometer in which the level of mercury in the cistern is adjusted to the zero point of the scale before each reading.

The study of waters (including oceans, lakes, and rivers) embracing either: (a) their physical characteristics, from the standpoint of the oceanographer or limnologist; or (b) the elements affecting safe navigation, from the point of view of the mariner. ...

Of equal or constant pressure, with respect to either space or time.

The mean difference between the readings of a given instrument and those of a standard instrument.

A mercury barometer in which the tube is U-shaped and the upper and lower mercury surfaces have the same diameter.

A line drawn through all points on a map having the same amount of cloudiness.

Same as water year.

A hygrometer in which the rotation of the hygrometric element is a function of humidity.

The point (physical and/or electrical) where two distinct data processing elements meet.