Sentences with phrase «in seawater temperature»

Increases in seawater temperature have been associated with increases in diseases and algal blooms in the aquaculture industry.

This is especially true since a 1 °C variation in seawater temperature can lead to a 15 % energy yield difference in output.

The difference in seawater temperature from the long - term average is shown here as the event fizzled during May 2016.

Our readings suggest the area is beginning to experience a seasonal drop in seawater temperature, which may counteract the warm water anomaly and help buy some species time.

It also caused a decrease in precipitation by approximately 70 - 85 percent on land and a decrease of approximately 5 - 7 °C in seawater temperature at a 50 - m water depth, leading to mass extinction of life forms including dinosaurs and ammonites.

Not exact matches

The fish are then placed in an ice slurry that is one part seawater and three parts freshwater, which draws blood and rapidly lowers the temperature of the fish to around 32 degrees, preserving the flesh.

A shark - proof, glass - bottomed birthing pool was specially built, with the seawater filtered and heated to body temperature to make it safe and hygienic to give birth in.

The ratio of oxygen isotopes in seawater depends on the water temperature; the value of this ratio at any point in evolutionary time is «frozen» into the chemical composition of certain marine fossils.

«Today, we are facing rising carbon dioxide contents in the atmosphere through human activities, and the amount of oxygen in the ocean may drop correspondingly in the face of rising seawater temperatures,» Lyons said.

As the 2 - to -5-inch-long bivalves grew, their shells incorporated atoms of the elements oxygen and carbon of slightly different masses, or isotopes, in ratios that reveal the temperature of the surrounding seawater.

The isotopic analysis showed that seawater temperatures in the Antarctic in the Late Cretaceous averaged about 46 degrees Fahrenheit, punctuated by two abrupt warming spikes.

The results show that blue crabs can — at moderate water temperatures — survive at oxygen levels as low as 1.3 milligrams per liter, just 15 % of the oxygen available in fully saturated seawater.

A new species of algae has been discovered in reef corals of the Persian (Arabian) Gulf where it helps corals to survive seawater temperatures of up to 36 degrees Celsius — temperatures that would kill corals elsewhere.

But laboratory studies have shown that the process can be disrupted, and shells can dissolve, as seawater becomes more acidic, or lower in pH. (Temperature has an impact, too.)

The Calera process essentially mimics marine cement, which is produced by coral when making their shells and reefs, taking the calcium and magnesium in seawater and using it to form carbonates at normal temperatures and pressures.

Data from other paleoclimatic research suggest that cyclical changes in the tilt of the earth's axis and seawater temperatures drove these wet conditions in the South American tropics.

In the study, published in the journal Proceedings of the Royal Society B: Biological Sciences, researchers at the UC Davis Bodega Marine Laboratory raised bryozoans, also known as «moss animals,» in seawater tanks and exposed them to various levels of water temperature, food and aciditIn the study, published in the journal Proceedings of the Royal Society B: Biological Sciences, researchers at the UC Davis Bodega Marine Laboratory raised bryozoans, also known as «moss animals,» in seawater tanks and exposed them to various levels of water temperature, food and aciditin the journal Proceedings of the Royal Society B: Biological Sciences, researchers at the UC Davis Bodega Marine Laboratory raised bryozoans, also known as «moss animals,» in seawater tanks and exposed them to various levels of water temperature, food and aciditin seawater tanks and exposed them to various levels of water temperature, food and acidity.

According to a study conducted by marine biologists of GEOMAR Helmholtz Centre for Ocean Research Kiel and Rostock University within the German research network BIOACID (Biological Impacts of Ocean Acidification), eutrophication — that is already known for its negative effects — and rising seawater temperatures could lead to a decline of the bladder wrack in the Baltic Sea.

Elevated seawater temperature, however, had a significantly negative effect on the entire Fucus system, especially in summer.

Most Antarctic researchers chalk this up to warm seawater melting the floating ice shelves at their bases; seawater temperatures there have risen since the 1970s, in part because of global temperature increases.

Prior to World War II, the most common way to measure ocean temperatures was dropping a bucket over the side of a ship and scooping up some seawater and dunking a thermometer in.

Microbial communities in seawater from an Arctic and a temperate Norwegian fjord and their potentials for biodegradation of chemically dispersed oil at low seawater temperatures — Deni Ribicic — Marine Pollution Bulletin

«The other carbon dioxide problem», «the evil twin of global warming», or part of a «deadly trio», together with increasing temperatures and loss of oxygen: Many names have been coined to describe the problem of ocean acidification — a change in the ocean chemistry that occurs when carbon dioxide (CO2) from the atmosphere dissolves in seawater.

Sea level rise has two primary components: the expansion in volume of seawater with increased temperature and the addition of water in ocean basins from the melting of land - locked ice, including Antarctica and Greenland.

The researchers analysed resting and active jumping oxygen consumption rates in snails exposed to seawater at the normal temperature of 29 °C and at the increased temperature of 34 °C, projected to be reached during the next 100 years due to global warming.

Seawater temperatures along the coast compare more favourably with those of the Mediterranean in summer (24 °C), but in winter they seldom fall below (19 °C)- 10 ° warmer than the Mediterranean in the same season.

They were able to maintain this strong increase in oxygen uptake even when the seawater temperature was increased to 37 °C — a temperature at which coral reef fish can not even survive for a short time.»

The CDR potential and possible environmental side effects are estimated for various COA deployment scenarios, assuming olivine as the alkalinity source in ice ‐ free coastal waters (about 8.6 % of the global ocean's surface area), with dissolution rates being a function of grain size, ambient seawater temperature, and pH. Our results indicate that for a large ‐ enough olivine deployment of small ‐ enough grain sizes (10 µm), atmospheric CO2 could be reduced by more than 800 GtC by the year 2100.

«We knew that the environment was harsh, with -20 Celsius -LSB--4 degrees F] air temperatures and sea temperatures very close to the freezing point of seawater,» said Steve McPhail, head of AUV Development at the NOC, in a statement.

Rising seawater temperatures and increased nutrient concentrations could lead to a decline of the bladder wrack Fucus vesiculosus in the Baltic Sea in the future, according to experiments conducted by marine scientists from Kiel and Rostock.

She exposes each pro-performer to different temperatures and pH levels in seawater tanks.

The facility has an 18,000 gal recirculating seawater system which supplies tanks in both indoor and semi-enclosed outdoor spaces with a constant supply of clean water at local environmental temperatures.

JacquesLB and Arthur: With respect to the temperature in the deep ocean, I would like to point out that the oceans are filled with seawater, not fresh water.

Also coral data of the Great Barrier Reef where the seawater temperature varied +0.5 / -1 ºC, compared to today in the past centuries.

Large patches of tiny plants and animals that they feed on will likely move or change in abundance as climate change alters seawater temperature, winds and ocean currents.

The open cycle consists of the following steps: (i) flash evaporation of a fraction of the warm seawater by reduction of pressure below the saturation value corresponding to its temperature (ii) expansion of the vapor through a turbine to generate power; (iii) heat transfer to the cold seawater thermal sink resulting in condensation of the working fluid; and (iv) compression of the non-condensable gases (air released from the seawater streams at the low operating pressure) to pressures required to discharge them from the system.

The abundance of strontium in newly forming coral depends on the temperature of the seawater that bathes it — the colder the temperatures are, the more strontium infiltrates coral skeletons as they form.

temperature: 1,000 m depth temperature = 5C thermal conductivity of seawater 0.58 W / mK ocean - air interface = 17.000 C 1.441 mm depth temperature = 17.400 C (the warmest spot in the ocean depth though the «few metres» of depth below it is only a miniscule bit colder, all warmed by Sun SWR) this top 1.441 mm depth is the «skin» and «sub-skin» 100m depth temperature certain in range 16.090 C to 17.400 C but virtually certain > 17C because of mixing top ~ 90m temperature gradient of top 1.441 mm of ocean is 277.6 Celsius / metre By conductivity, temperature gradient pushes 161.00 w / m ** 2 up from 1.441 mm depth to ocean - air interface which precisely removes the Sun's 161 w / m ** 2 going into the top few metres depth and leads to no ocean warming.

SALINITY (in strict physical oceanography terms - in PSU), mediates the amount of δ18O of seawater and ONLY the δ18O of seawater parameter along with temperature can physically change the stable oxygen isotopes of foraminifera.

This shows the effect of historically invisible confounding influences on T: dO18 proxy reconstructions, and explicitly refutes your claim, Kau, that, «ONLY a change in temperature or a change in seawater δ18O can alter the δ18O ratio of foraminiferal calcite.

«The dramatic changes in lake ice may also contribute to further warming of the entire region, because open water on lakes contributes to warmer air temperatures, albeit to a lesser extent than open seawater,» Surdu said.

Almost invariably, seawater temperature was taken from a thermometer set into the main inlet providing cooling water to the condensers used to condense feed water used in the ships» boilers.

A decrease in ocean pH of 0.1 units corresponds to a 30 % increase in the concentration of H + in seawater, assuming that alkalinity and temperature remain constant.

Specifically, we examine relationships between isotopes in precipitation and local temperatures and precipitation amounts in the principal ice coring regions (Greenland, Antarctica and the tropical Andes) and the seawater isotope - salinity gradients in the ocean.

No significant variation in the δ18O of M. californianus shells was explained by salinity, seawater temperature, or the UI (Table 2).

For any temperature in the oceans, there is a steady state level with the atmosphere, as dictated by Henry's law for the solubility of CO2 in seawater.

QUOTE:» For any temperature in the oceans, there is a steady state level with the atmosphere, as dictated by Henry's law for the solubility of CO2 in seawater.

Some scientists have also attributed warmer air temperatures in the North Atlantic region to the delivery of warmer seawater (heated by solar radiation unimpeded by volcanic aerosols) by the Gulf Stream and other currents.

I took the values of Alan D. McIntire (16:36:32): for seawater emissivity and computed the changes in temperature with the SB law.

While a range of factors can contribute to warmer seawater, both the frequency and severity of these bleaching events is expected to increase in line with global temperatures, as the ocean absorbs much of the extra heat.