The process whereby prevailing seasonal winds create surface currents that allow nutrient rich cold water form the ocean depths to move into the euphotic or epipelagic zone. Thisprocess breaks down the thermocline and increases primary productivity, and ultimately fish abundance.
The rising of water toward the surface from subsurface layers of a body of water.
The physical process in near-shore ocean systems of rising of nutrients and colder bottom waters to the surface because of constant wind patterns along the shoreline. Upwelling areas are highly productive of plankton and fish.
the process by which warm, less-dense surface water is drawn away from a shore by offshore currents and replaced by cold, denser water brought up from the subsurface Diagram of the chemical structure of uracil, one of the four nitrogenous bases in RNA.
A vertical movement of water, usually near coasts and driven by onshore winds, that brings nutrients from the depths of the ocean to surface layers.
Movement of cold water from the floor of a lake or ocean up into a shallow area.
Upward movement of cool and nutrient-rich sub-surface waters towards the surface. There exist various types of upwelling. For fisheries, the most important type is the wind-induced coastal upwelling where the upward movement is a consequence of wind stress (along shore) and Eckman transport (offshore).
a process by which water rises from lower depths into the shallows, usually the result of divergence or offshore currents.
an area of water in which the current brings the nutrient rich water from the seafloor to the light-rich ocean surface-often creating a highly biologically productive area.
The rise of colder, deep ocean waters along a coast due to the movement of surface water away from the coast.
a rising of nutrient-rich water toward the sea surface
circulation pattern in which deep, cold, nutrient-rich water moves up towards the surface.
the upward motion of sub-surface water toward the surface of the ocean which is often a source of cold, nutrient-rich water. Significant upwelling occurs along the equator under the influence of persistent trade winds and also along coastlines.
a place where water from the cold layer rises to the surface, where it is warmed
a current of cold, nutrient-rich water rising to the surface. Upwellings are caused by strong seasonal winds moving surface coastal water out from the coast and leaving a space that the upwelling fills in. Many marine plants and animals live off this nutrient-rich water. Upwelling describes an ocean condition in which the cooler, nutrient-rich waters beneath the thermocline are drawn upwards to replace the warmer, surface waters which have been displaced by surface winds. vertical upward movement of a fluid due to density differences or where two fluid masses converge, displacing fluid upward. In the ocean, oftenrefers to where Ekman transport causes surface waters to diverge or move away from the coast and deeper (often cold and nutrient-rich) water to be brought ot the surface.
the rising of bottom water rich in nutrients towards the surface, generally caused by surface wind stress
the process by which deep waters are brought to the surface by wind action
Upflow of deep colder and nutrient-richer water.
The phenomenon of deep water rising to the surface, usually bringing nutrients which can increase productivity.
the rising up of cold waters from the depths of the ocean, replacing the warm surface water that has moved away horizontally.
when water is drawn to the surface from great depth; significant because nutrients settling to the bottom then become available to phytoplankton living within the depth of penetration of sunlight. Various forces drive upwelling, the most common being alongshore winds which drive the surface waters away from the coast due to the Coriolis force.
when water is drawn to the surface from great depth; significant because nutrients settling to the bottom then become available to phytoplankton living within the depth of penetration of sunlight. Various forces drive upwelling. At the coast, alongshore winds drive the surface waters away from the coast in the Ekman layer. That water has to be replaced, so it rises from below.
Upward movement of nutrient-rich lower layers of a body of water. 883
A current that carries nutrients from the bottom of the ocean to the surface.
The rise of sea water from depths to the surface, typically bringing nutrients to the surface.
Term used to describe the process by which cold, nutrient-rich water comes up to the surface to replace water that has moved horizontally to some other region. The world's major fisheries coincide with regions of upwelling.
A current that carries nutrients f...
The movement of nutrient-rich water from a specified depth to the surface.
The vertical motion of water in the ocean by which subsurface water of lower temperature and greater density moves toward the surface of the ocean. Upwelling occurs most commonly along the western coastlines of continents, but may occur anywhere in the ocean. Upwelling results when winds blowing nearly parallel to a continental coastline transport the light surface water away from the coast. Subsurface water of greater density and lower temperature replaces the surface water, and exerts a considerable influence on the weather of coastal regions. Carbon dioxide is transferred to the atmosphere in regions of upwelling. This is especially important in the Pacific equatorial regions, where 1 to 2 gigatons of carbon per year may be released to the atmosphere. Upwelling also re-sults in increased ocean productivity by transporting nutrient-rich waters to the surface layer of the ocean. Source: EPO.
The slow upward transport of cold, nutrient-rich water masses to the surface from depth. Coastal upwelling is usually induced by surface winds.
The "bringing up of water" from deeper water towards the surface. A hurricane can "upwell" colder water to the surface as it moves along and churns up the ocean. This can actually weaken a hurricane if it becomes stationary and thus upwells colder water underneath itself.
The movement of cold, mineral-rich, deep ocean water to the surface.
Movement of water and nutrients from deep water towards the surface; an important source of nutrients for phytoplankton growth.
The process of nutrient-rich water being raised upward along the edges of the continental shelf through offshore currents.
The upward movement of the subsurface oceanic water mass toward the surface by the edge of the continents. Upwelling bring to the surface water layer the diverse nutrients, for instance, phosphorus, which is necessary to the algae and profitable to the organisms consuming algae etc. further along the trophic chane towards fish, birds and mammals (including man).
transport of deeper water to the surface, usually caused by horizontal movements of surface water
The upward movement of nutrient-rich, cooler water from deeper layers of the ocean.
The vertical motion of seawater (as distinct from rising air) often associated with Ekman Transport in the ocean.
Rising of cold, nutrient-rich water towards the surface.
The upward movement of deep waters into the nearshore ecosystem due to springtime winds moving the topmost layers of water away from land.
An oceanographic term, the rising of deeper waters to replace surface waters. Upwelling often brings waters rich in nutrients to the surface, resulting in a region where ocean productivity is high.
The rising of cold water from the deeper areas of the ocean to the surface. This phenomena often occurs along the California coast during the summer.
Convection currents within a body of water that carry nutrients from bottom sediments toward the surface.
Occurs in regions when warmer surface water moves and brings the cooler benthic nutrients to the surface.
when warm water along our coast moves away from the shore, and cold, nutrient-rich water from beneaths comes to the surface
(1) The appearance of water from the deep ocean at the surface. This usually occurs along the coasts of continents (such as the coast of Peru along the west coast of South America) where the prevailing winds tend to push the surface waters away from the land area, allowing waters from the deep ocean to rise to the surface. The deep waters carry a significant input of plant nutrients to the surface, causing an elevated level of primary production and abundant fish populations. (2) The process or an instance of rising or appearing to rise to the surface and flowing outward; especially the process of upward movement to the surface of marine often nutrient-rich lower waters particularly along some shores due to the offshore drift of surface water (as from the action of winds and the Coriolis Effect).
In ocean dynamics, the upward motion of sub surface water toward the surface of the ocean. This is often a source of cold, nutrient rich water. Strong upwelling occurs along the equator where easterly winds are present. Upwelling also can occur along coastlines and is important to fisheries in California and Peru.
Vertical or upward movement of water. This usually occurs near the coasts and is driven by onshore winds that bring nutrients from the depths of the ocean to the surface layer.
A rising-up of colder water.
The rising of water (usually cold) toward the surface from the deeper regions of a body of water. If the summertime winds along the northern California coastline stopped blowing from the northwest, upwelling would diminish and the average coastal water temperature would rise between 10° and 15°F.
An ascending motion of subsurface water by which water from deeper layers is brought into the surface layer and is removed from the area of upwelling by divergent horizontal flow. See also coastal upwelling, equatorial upwelling, downwelling.
The movement of nutrient-rich deep seawater to the ocean's surface.
The raising of benthic nutrients to the surface waters. This occurs in regions where the flow of water brings currents of differing temperatures together, and increases productivity of the ecosystem.
An upward movement of cold nutrient-rich water from sea depths.
Currents that bring nutrient-rich bottom water up to the surface layers of water.
The process by which water rises from a lower to a higher depth, usually as a result of divergence and offshore currents. It influences climate by bringing colder, more nutrient-rich water to the surface. A vital factor of the El Niño event.
Upwelling is an oceanographic phenomenon that involves wind-driven motion of dense, cooler, and usually nutrient-rich water towards the ocean surface, replacing the warmer, usually nutrient-deplete surface water. There are at least five types of upwelling: coastal upwelling, large-scale wind-driven upwelling in the ocean interior, upwelling associated with eddies, topographically-associated upwelling, and broad-diffusive upwelling in the ocean interior. However, in the tropical pacific area upwelling is not common.