verb
definition
(of a fluid) To rise from a lower source; to well up.
noun
definition
An upward movement from a lower source.
definition
The oceanographic phenomenon that occurs when strong, usually seasonal, winds push water away from the coast, bringing cold, nutrient-rich deep waters up to the surface
Examples of upwelling in a Sentence
It surfaced a few yards away with a huge upwelling of water.
A high and late autumn peak of phytoplankton off the coast of Portugal may be associated with coastal upwelling.
The differences in the stratosphere between the runs were ascribed to a different tropopause structure in 49L and to greater tropical upwelling in 49L.
Fine-scale transient upwelling (from eddies, fronts and planetary waves) provides the dominant supply of nitrate.
The coastal upwelling regions are thus playing an essential role in the marine biogeochemical cycle of many elements.
This creates a great upwelling of nutrients, which sustains the biodiversity of this region.
Flushes are associated with lateral water movement, and springs with localized upwelling of water.
Aims To understand the Formation and Evolution of the Ocean Crust from mantle upwelling to subduction.
The OMZ is created by the monsoon upwelling nutrient-rich water from greater depths which drives plankton growth, increasing productivity in the surface waters.
A database of vertical distributions of chlorophyll in the upwelling system of Western Iberia were used for the analysis.
Identifying 3-D plankton from net hauls in the upwelling area near the West coast of Vancouver Is and BC 's north coast.
The most magnificent of these submarine forests are found in the cool upwelling waters off the California coast.
There are also descriptions of inertial motion, geostrophic flow, the Ekman layer and the upwelling process.
In Chile we visited the coastal desert with its oases and its nutrient-rich upwelling sea currents.
During the northern summer the south-west monsoon, which is sufficiently strong to bring navigation practically to a standstill except for powerful steamers, sets up a strong north-easterly drift in the Arabian Sea, and the water removed from the east African coast is replaced by the upwelling of cold water from below; this is one of the best illustrations of this action extant.
The volcanic fissures that allowed of the upwelling of basalt are represented by numerous dykes, many cutting the earlier lava-flows as well as all the beds below them.
The several ranges of the Cordillera show very different types of structure and were formed at different ages, the Selkirks with their core of pre-Cambrian granite, gneiss and schists coming first, then the Coast Ranges, which seem to have been elevated in Cretaceous times, formed mainly by a great upwelling of granite and diorite as batholiths along the margin of the continent and sedimentary rocks lying as remnants on their flanks; and finally the Rocky Mountains in the Laramie or early Eocene, after the close of the Cretaceous.