Glossary L

The Environmental Glossary. Letter L +++ Popular Articles: 'Lead', 'Lagoon', 'Life'

La Niña is a climatic phenomenon characterized by the cooling of sea surface temperatures in the central and eastern tropical Pacific Ocean. It is the counterpart to El Niño, which involves warming in the same regions. La Niña events are part of a larger climatic pattern known as the El Niño-Southern Oscillation (ENSO), which significantly influences weather patterns across the globe.

Deutsch: Labor / Español: Laboratorio / Português: Laboratório / Français: Laboratoire de recherche / Italiano: Laboratorio
A laboratory (informally, lab) is a facility that provides controlled conditions in which scientific or technological research, experiments, and measurement may be performed.
Laboratories used for scientific research take many forms because of the differing requirements of specialists in the various fields of science and engineering.

Laboratory Control Sample (LCS) is a specimen of known composition prepared using contaminant-free reagent water, or an inert solid, that is spiked with the analyte of interest at the midpoint of the calibration curve or at the level of concern; and then analyzed using the same preparation, reagents, and analytical methods employed for regular specimens and at the intervals set in the QA Project Plan.

The Laboratory Data Qualifier is a Code applied to the data by the analytical testing facility to indicate a verifiable or potential data deficiency or bias.

Laboratory Duplicates are two or more representative portions taken from one homogeneous sample by the analyst and analyzed in the same testing facility.

Lactate means to secrete or produce milk.

Deutsch: Stillend / Español: lactancia / Português: lactação / Français: lactation / Italiano: allattamento

Lactating refers to the production and secretion of milk by female mammals during the postpartum period, a natural process that provides essential nutrition to newborn offspring. In the environmental context, lactation is an important biological function that contributes to the reproductive and survival strategies of mammalian species.

Deutsch: Laktation / Français: Lactation / Italiano: Lattazione

Lactation refers to the secretion of milk from the mammary glands, and the period of time that a mother lactates to feed its young. This process can occur with almost all post-partum female mammals, although it may have predated the existence of mammals. The process may also be referred to as breastfeeding or nursing when referring to humans.

A lacustrine zone is area of a reservoir which is most lake -like: current velocities are much slower than for riverine or transitional zones.

Deutsch: Lagune / Español: Laguna / Português: Lagoa / Français: Lagune / Italiano: Laguna /

A Lagoon is Earthen storage structure with sufficient dilution water added to allow Microorganisms to biodegrade and treat organic matter.