Quantcast

Latest Upwelling Stories

75056eb5b1dfd664186f5294a3924dc31
2009-11-25 15:24:05

Earth scientists at Brown University have found strong evidence that the geological processes that lead to the formation of oceanic crust are not as uniformly passive as believed. The team found centers of dynamic upwelling in the shallow mantle beneath spreading centers on the seafloor. Findings are published in this week's Nature. Imagine the Earth's crust as the planet's skin: Some areas are old and wrinkled while others have a fresher, more youthful sheen, as if they had been regularly...

2009-11-16 14:09:08

The system has an important part in the global climate due to its size, its high latitude location and the negative radiation balance of its large ice sheets. Antarctica has also been in focus for several decades due to increased ultraviolet (UV) levels caused by stratospheric ozone depletion, and the disintegration of its ice shelves. During the summer of 1997-1998, measurements of beam absorption and beam attenuation coefficients, and downwelling and upwelling irradiance were made in the...

2009-11-03 14:43:34

Nutrients in the Atlantic Large-scale distributions of two important nutrient pools "“ dissolved organic nitrogen and dissolved organic phosphorus (DON and DOP) have been systematically mapped for the first time over the Atlantic Ocean in a study led by Dr Sinhue Torres-Valdes of the National Oceanography Centre, Southampton. The findings have important implications for understanding nitrogen and phosphorus biogeochemical cycles and the biological carbon pump in the Atlantic Ocean. Tiny...

b4820273df9fdff2d0e429439ccbe52d
2009-10-10 08:36:32

Scientists work to explain why massive "dead zones" have been invading the Pacific Northwest's near-shore waters since 2002 Yet another ecological scourge may earn a place on the ever-lengthening list of problems potentially caused by climate change: the formation of some so-called "dead zones""”huge expanses of ocean that lose virtually all of their marine life at depth during the summer. Possible connections between climate change and the relatively recent formation of dead zones in...

10dd8440002adf7a2e1db356cb56078b1
2009-05-28 12:40:00

A unique signal detected by NASA's Aqua satellite is helping researchers check the health and productivity of ocean plants around the world. Fluorescent red light emitted by ocean phytoplankton and detected by Aqua reveals how efficiently the microscopic plants are turning sunlight and nutrients into food through photosynthesis. "This is the first direct measurement of the health of the phytoplankton in the ocean," says Michael Behrenfeld, a biologist at Oregon State University who...

2009-05-28 12:00:00

WASHINGTON, May 28 /PRNewswire-USNewswire/ -- Researchers have conducted the first global analysis of the health and productivity of ocean plants using a unique signal detected by NASA's Aqua satellite. (Logo: http://www.newscom.com/cgi-bin/prnh/20081007/38461LOGO) Ocean scientists can now remotely measure the amount of fluorescent red light emitted by phytoplankton and assess how efficiently these microscopic plants turn sunlight and nutrients into food through photosynthesis. Researchers...

a198bd4ae042b33cdb85f5e7eab3407b1
2009-01-31 11:05:00

An experiment to study the effects of naturally deposited iron in the Southern Ocean has filled in a key piece of the puzzle surrounding iron's role in locking atmospheric carbon dioxide (CO2) in the ocean. The research, conducted by an international team led by Raymond Pollard of the National Oceanography Centre, Southampton, and included Matthew Charette, a marine chemist at the Woods Hole Oceanographic Institution (WHOI), found that natural iron fertilization enhanced the export of carbon...

9b4efae94ffb417d22a95ca061181d7d1
2008-12-20 09:30:00

Future increases in wind strength along the California coast may have far-reaching effects, including more intense upwelling of cold water along the coast early in the season and increased fire danger in Southern California, according to researchers at the Climate Change and Impacts Laboratory at the University of California, Santa Cruz. Earth scientist Mark Snyder presented the findings in a poster titled "Future Changes in Surface Winds in the Western U.S. due to Climate Change" at the Fall...

13d106780f7343be511c4762d914cac31
2008-12-08 10:25:00

Intensifying winds in the Southern Ocean have had little influence on the strength of the Southern Ocean circulation and therefore its ability to absorb carbon dioxide from the atmosphere, according to a study published yesterday in Nature Geoscience. The Southern Ocean slows the rate of greenhouse warming by removing carbon dioxide from the atmosphere and storing it in the ocean. But previous studies raised the alarm by suggesting the Southern Ocean carbon sink is now 'saturated"˜...

7dfc6b29f4d8b950dacda5e2872bf1451
2008-11-24 14:20:00

A recent study has found that the Southern Ocean has proved more resilient to global warming than previously thought and remains a major store of mankind's planet-warming carbon dioxide. Oceans act as a brake on climate change by absorbing large portions of the extra CO2 released by mankind through burning fossil fuels or deforestation and experts say the Southern Ocean is the largest of these "carbon sinks." Researchers in the past have suggested the vast ocean between Australia and...


Latest Upwelling Reference Libraries

Ocean Current Impacts On Weather
2012-07-30 13:25:48

The Peru Current flows from South to North along the western side of South America. This current transports colder air from the south northward towards the equator. This current is responsible for bringing cooler waters off the coast of Peru which is a big reason that they have such high fishing success. However this current can get altered during EL-Nino when the warmer waters of the Pacific are transported west to east and start to replace these colder waters. The Peru current is...

Weather Reference Library
2012-07-30 09:39:02

Coastal Upwelling- this is defined as the moving of water from the deeper oceans upwards to the surface of the ocean very commonly found along our cold ocean currents, which are found along the West Coast of the United States and off the Peru coast. Coastal Sinking- this is defined as the warm waters moving in from the east and hitting the coastline and slowly filtering down towards the deeper ocean waters very slowly. This feature is common in our warm ocean currents such as the United...

More Articles (2 articles) »
Word of the Day
bellycheer
  • Good cheer; viands.
  • To revel; to feast.
The word 'bellycheer' may come from 'belle cheer', "good cheer".
Related