I make the dash, fin downward against an upwelling, and quickly get into position behind another large outcrop of rock. |
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Cold waters that rise from ocean depths carry nutrients to depleted surface waters in a process called upwelling. |
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The origin of these exotic features remains a mystery but may be due to something simple, such as the uneven upwelling of ice sheets. |
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Some experts think the shifting winds are changing the timing of the upwelling, and in turn, the size of the dead zone. |
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A stronger Azores High will cause stronger trade wind flow and more upwelling off of the Northwest African coast. |
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Igneous upwelling in the resultant space between the two continents produced the anomalously thick oceanic crust of the Caribbean Plate. |
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The climate here is drier due to the cold oceanic upwelling of the Cabo Frio region. |
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The question of why the plates move gets passed on to the geologists, who appeal to an upwelling of magma that pushes them apart. |
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The increased upwelling initially brings more phosphate to the surface waters, thereby increasing productivity. |
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In certain areas of these coral reefs, high tidal ranges generate daily upwelling during flood tides. |
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They're a bit like caps on a shaken soda bottle, and upwelling matter and energy can blow at any moment. |
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We suggest that the Atlantic basin is more efficient than the Pacific in its production for the same degree of upwelling. |
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Zones of minimum upwelling and, therefore, productivity, occur in the central regions of the oceans known as the gyres. |
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This questions the role upwelling plays in affecting juvenile rockfish condition. |
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As the winds switched to an equatorward direction, coastal upwelling ensued and the Columbia plume was replaced by cold, salty water nearshore. |
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These volcanic necks are the remnants of upwelling lava from the cores of active volcanoes in prehistoric times. |
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Uplift would result from resultant mantle upwelling or asthenospheric diapirism. |
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Initiation of a cold, upwelling current off the west coast of South America dates back to latest Cretaceous to earliest Palaeocene times. |
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Convergence of these fronts led to downwelling of surface waters and upwelling of deep waters during the stratified period. |
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Coastal upwelling is the principle oceanographic phenomenon in the Caribbean associated with higher biological productivity. |
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Along the Oregon coast, upwelling occurs when spring winds consistently push warmer surface water offshore. |
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On November 30, 2007, the upwelling of oil ceased and the situation appeared stable. |
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Avery Island is actually a small hill, created in the deltaic wetlands by the upwelling of ancient salt deposits that exist beneath the Mississippi Delta. |
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The August data support the results of earlier investigations that suggested that dynamic forcing by a basinwide gyre is responsible for the upwelling in the open water. |
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In such instances, a rigid coupling of plates to convection cells would imply the unusual scenario of upwelling along an expanding ring, with a downwelling column inside it. |
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A hurricane of octaves, a powerful aural upwelling of magma, the sonata seethes with raw energy. |
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Describe the influence of the prevailing wind and the Coriolis effect on upwelling and downwelling. |
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Currents near the continent result in a circumferential belt of surface-water divergence accompanied by upwelling of deeper water masses. |
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By May 15, the upwelling of hydrocarbons had decreased markedly to several small globules per second. |
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Off the coast of British Columbia, locations of upwelling are known to be hot spots for fishing, due to the enhanced nutrient supply. |
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Oceanographic phenomena, such as the deep water upwelling that takes place here, are favourable to the entire food web. |
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Initial dispersion of the surface plume into a relatively quiescent lake will be significantly influenced by the volume of the upwelling plume. |
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The Ross Sea is strongly influenced by the coastal East-Wind Drift that sets up a vast clockwise gyre accompanied by deepwater upwelling. |
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During the southwest monsoon, upwelling occurs off the Somali and Arabian coasts and south of Java. |
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The mantle moves on a gigantic scale, upwelling heat in some areas and carrying it downward in others. |
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The upwelling areas are relatively stationary in the mantle, but above them, the crust is moving inexorably along. |
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The upwelling associated with high primary productivity takes place here, and sustains a large amount of wild fauna. |
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A Flupsy is actually a device that creates an upwelling current through cubical bins, allowing water to flow up through the screened bottoms. |
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Krill accumulations in this area have been linked to the upwelling that occurs along the north shore and at the head of the Laurentian Channel. |
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Yet another type of volcano-forming tectonic environment is found where hot, upwelling mantle forms magmas beneath an expanse of crust. |
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These food sources occur in open ocean areas, and in greater concentrations in areas where upwelling of currents or nutrient inputs occur. |
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Examples of ocean features that are often highly productive include upwelling cells, oceanic fronts, Taylor columns and hydrothermal vents. |
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During summer, vertical advective processes appear to be limited to the upper 200 m, where upwelling in the open water leads to a doming structure. |
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Intensified upwelling would enhance aridity along the west coast of South America by preventing moist air masses of the Pacific anticyclone from encroaching landwards. |
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Additional comments are made below regarding the distribution of epipelagic, mesopelagic, and benthopelagic elasmobranchs and teleosts in the upwelling assemblages. |
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The Southern Ocean overturning entails the upwelling of Circumpolar Deep Water offshore Antarctica. |
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This includes the strange upwelling of fresh water at a series of oases in the middle of shifting sand dunes. |
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It's a natural upwelling and used to be a hot spot for fishing and for growing and harvesting seaweed. |
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These 'hot spots' often occur in critical domains such as regions of upwelling and deep mixing, continental margins, high-latitude areas, the sediment-water interface, the mesopelagic layer and intermediate waters. |
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Regions of cold-water upwelling from the CIL can also be observed at the mouth of the Saguenay River and north of the western tip of Anticosti Island. |
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Due to their proximity to upwelling systems, countries such as Morocco, Mauritania and Senegal have far more abundant fish stocks than the countries further south. |
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The most productive waters of the world are in regions of upwelling. |
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An oil skimmer was utilized to recover the upwelling oily waste. |
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As the ball cooled and solidified over hundreds of millions of years, massive volcanic eruptions, fed by upwelling hot material, created terra firma, forming the continents and the surrounding oceans. |
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Meroplanktonic distribution and circulation in a coastal retention zone of the northern California upwelling system. |
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Skeena River sockeye salmon spawn from late July through October in rivers tributary to the nursery lakes, and along upwelling lakeshore areas within the lakes themselves. |
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This activity investigates coastal upwelling and downwelling by looking at the combinations of coastline orientation, prevailing wind direction, and Earth rotation that produce them. |
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This nonbreeding range coincides with the California upwelling, an area that is important to many species of birds because of the rich food sources brought close to the surface by the coastal current. |
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Important concentrations of migrating snow geese, sea ducks and shorebirds stage in the marsh and mud flat areas while gulls and terns concentrate in the upwelling areas. |
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This phenomenon, known as upwelling, is what makes the waters of this section of the estuary so attractive to the large whales that come here to feed all summer long, to the great delight of spectators. |
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We stand to learn more from samples taken this winter when there is generally less upwelling. |
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The upwelling of American folkishness in the '30s and '40s was mostly a symptom of the period's fierce nationalism. |
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The twisting of toroidal field lines frozen in upwelling fluid, gives rise, in turn, to poloidal fields which can reinforce the original poloidal field. |
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He said increased baitfish numbers after an upwelling of nutrient-rich water three years ago had contributed to the increase in shark numbers. |
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The Pitcairn Islands were formed by a centre of upwelling magma called the Pitcairn hotspot. |
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Computer models showed the possibility of subsurface currents delivering oil to the surface in an upwelling off the Florida Shelf. |
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Where significant vertical movement of ocean currents is observed, this is known as upwelling and downwelling. |
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Thus, equatorial upwelling occurs in these westward flowing equatorial surface currents. |
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After spawning they return the way they came, in smaller schools, to suitable feeding grounds often near an area of upwelling. |
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The very thin lithosphere beneath the rift allows the upwelling mantle to melt by decompression. |
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This upwelling magma then cools and solidifies by conduction and convection of heat to form new oceanic crust. |
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A number of scientists have tried to use these tracers to infer where the upwelling occurs. |
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Due to mass continuity this drives surface waters down, resulting in the upwelling of cold, nutrient rich water south of the current. |
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Inshore of the Benguela Current proper, the south easterly winds drive coastal upwelling, forming the Benguela Upwelling System. |
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Northward winds along the coast result in Ekman transport offshore and upwelling of nutrient rich deep water to the euphotic zone. |
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In the Benguela system, phytoplankton growth requires a period of upwelling followed by a period of stratification and relatively calm waters. |
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The phytoplankton bloom usually lags the upwelling event by 1 to 4 days and blooms for 4 to 10 days. |
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Pulses of upwelling in the Benguela system regularly have a duration of 10 days, an optimal period for biological production. |
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Cyclonic eddies is another source of edge upwelling west of Port Elisabeth. |
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In summer, easterly winds can intermittently drive coastal upwelling along the South African south coast. |
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This upwelling zone is the southernmost extension of the Benguela Current Large Maritime Ecosystem. |
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Regularly, the mesoscale eddies from the east interact with the Benguela upwelling system on the African west coast. |
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The shelf edge along the bank's southern tip is subject to sporadic upwelling. |
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This is due primarily to upwelling and strong cold coastal currents that reduce water temperatures in these areas. |
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Forage fish thrive in those inshore waters where high productivity results from the upwelling and shoreline run off of nutrients. |
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Natural causes include coastal upwelling and changes in wind and water circulation patterns. |
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Around 295 million years ago upwelling magma spread through fissures and between strata in the earlier Carboniferous Limestone country rock. |
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Once it became clear that corrosive water from the deeper ocean was upwelling onto the coastal shelf, water quality monitoring enabled shellfish farmers to know when to turn off inflowing seawater to protect young oysters. |
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Regions of upwelling include coastal Peru, Chile, Arabian Sea, western South Africa, eastern New Zealand and the California coast. |
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Environmental conditions, satellite imagery, and clupeoid recruitment in the northern Benguela upwelling system. |
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At 140 feet we pushed up to an underwhelming color change, no grass, current or upwelling, so I wasn't expecting much, until a wall of juvenile flyingfish went airborne. |
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Their needless deaths sparked a global upwelling of support for MOAS and other mission to work tirelessly to provide search and rescue where needed. |
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Rather separate from the abolitionist campaign, although likewise led by anglophone Evangelicals, was a sudden upwelling of commitment to worldwide mission. |
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Aragonite saturation state dynamics in a coastal upwelling zone. |
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The upwelling of nutrients into the euphotic zone would stimulate prodigious blooms of phytoplankton, which attract zooplankton and other animals up the food chain. |
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The intensity of the upwelling event is determined by wind strength. |
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Pufahl discusses the manner in which phosphorus is concentrated in insular, seamount, and continental margin phosphorites, and compares phosphorites in upwelling vs. |
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They are found particularly in upwelling regions around the northeast Atlantic, off the coast of Japan, and off the west coasts of Africa and the Americas. |
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The upwelling stopped and phytoplankton production plummeted, as did the anchoveta population, and millions of seabirds, dependent on the anchoveta, died. |
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Increased mixing of the oceans renews silica and other nutrients necessary for diatom growth in surface waters, especially in regions of coastal and oceanic upwelling. |
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The Norwegian trench region in the Skagerrak is a biologically productive zone, as upwelling of North Atlantic water in the Skagerrak provides an input of nutrients. |
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In many numerical models and observational syntheses, the Southern Ocean upwelling represents the primary means by which deep dense water is brought to the surface. |
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Higher elevations are made temperate by their altitude, and the Arabian Sea coastline can receive surprisingly cool, humid breezes in summer due to cold upwelling offshore. |
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However, because this thermohaline upwelling is so widespread and diffuse, its speeds are very slow even compared to the movement of the bottom water masses. |
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