dead zone


Also found in: Acronyms, Encyclopedia, Wikipedia.

dead zone

n.
1. An area in a body of water where levels of dissolved oxygen are too low to sustain aquatic life, usually resulting from the growth and subsequent decomposition of algae brought about by excess nutrients (as from polluted runoff).
2. See dead spot.

dead zone

n
1. an area of water that cannot support marine life, being virtually devoid of oxygen due to the presence of nitrates that stimulate algae growth
2. an area where a mobile phone does not receive a signal
3. any area where something does not exist or prosper: a dead zone for cinemas.
Mentioned in ?
References in periodicals archive ?
She's been mapping the Gulf of Mexico's dead zone for roughly 20 years.
The dead zone, located off the coast of Louisiana, measures about 8,185 square miles.
This would be the third largest dead zone recorded since monitoring began 32 years ago the average Gulf dead zone since then has been 5,309 square miles.
Everyone's opinion matters" is a common motto in the creative dead zone, as is, "Good ideas can come from anywhere" --the subtext of both being that there's nothing special about the opinions and ideas of professional writers, designers and creative directors.
Li, "Adaptive fuzzy output feedback tracking backstepping control of strict-feedback nonlinear systems with unknown dead zones," IEEE Transactions on Fuzzy Systems, vol.
Fishery Conservation--New research shows that Lake Erie's dead zones are actually quite active, greatly affecting fish distributions, catch rates, and the effectiveness of fishing gear, reports Illinois-Indiana Sea Grant.
Last year, the IRS let employers in SHOP dead zones to use the tax credit as long as those employers offered coverage that would have qualified for the Section 45R tax credit before Jan.
Until now, the size of the dead zone each summer and the factors explaining the variability from year to year have been elusive.
Dead Zone Vertigo is an exhibition by Greek-Cypriot painter Andros Efstathiou, American poet and Fulbright Scholar Paula Closson Buck and Turkish-Cypriot painter Ruzen Atakan.
The North Pacific dead zone stretches westward from North and Central America, encompassing an area larger than Canada.
Scientists have long monitored a dead zone in Lake Erie's central basin, where a layer of cold water with little or no dissolved oxygen forms in summer between Huron, Ohio, and Erie, Pa.