Methane gas released from the Arctic
seabed during the summer months leads to an increased methane concentration in the ocean.
Methane gas released from
the seabed during the summer months leads to an increased methane concentration in the ocean.
In the Gulf of Finland, the phosphate phosphorus content of the surface layer has increased from last winter due to the phosphate that was released from the seabed and carried to the deep water from the main basin and from the Gulf's own
seabed during last spring, summer and early autumn, and then mixed with the upper water layers due to storms.
In addition, Crittercam footage indicates that sand lance can form dense mats along
the seabed during the day.
Not exact matches
Much of the new search zone was already scanned
during an early phase of the first
seabed search, before Australian scientists refined their calculations and moved their focus further south.
As for the increase in phosphorus content, it was caused by the phosphorus that in the summer of 2014 flowed in from the deep waters in the north of the Baltic Sea main basin and the phosphorus that was released from the Gulf of Finland's own
seabed in the poor oxygen conditions and mixed with the surface layer
during last winter.
Meanwhile the MOLA data suggest that the elliptical northern hemisphere depression, some of the flattest terrain ever mapped, may have been an ancient
seabed shaped by vigorous convection of the planet's mantle or tectonic plate recycling
during the planet's formative stages.
Notothenia coriiceps, informally known as Antarctic cod, cuts its metabolism by two - thirds and burrows under the
seabed for days at a time
during dark Antarctic winters.
Extensive use was made of the Irish National
Seabed Survey high resolution bathymetric charts in developing the models tested
during this survey.
The oxygen situation of water near the
seabed is now very good, although it worsened for a time over the past year in the Bornholm basin following the lesser Baltic inflows that occurred
during the winter and spring of 2014.
In a computer model, the team used the available data to simulate the evolution of the
seabed and the response of the gas hydrates
during this period.
In order to solve this question, the team took samples from the
seabed, from the boundary layer between the
seabed and seawater, as well as from different water layers in the tropical oxygen minimum zone
during the Expedition M92 with the German research vessel METEOR in January 2013.
The beautiful pink Himalayan sea salt is harvested from ancient
seabeds, originally formed from marine fossil deposits over 250 million years ago
during the Jurassic Period.
The Kaiju were unable to endure the oxygen rich atmosphere that existed
during the time of the dinosaurs, so the alien invaders settled in the
seabed until we humans sufficiently polluted the planet.
The resulting weaker density stratification allowed more vertical mixing of the water column
during storms in late September and early October, leading to the observed warming of the near - bottom layer in the still ice - free Laptev Sea... Warmer water temperatures near the
seabed may also impact the stability of the shelf's submarine permafrost.»
That water could warm up
during the summer months because the area is ice - free now already, and this will give you positive temperatures on the
seabed which will start to thaw out the
seabed permafrost which has been sitting there frozen since the last Ice Age.
''... worked with two sediment cores they extracted from the
seabed of the eastern Norwegian Sea, developing a 1000 - year proxy temperature record «based on measurements of δ18O in Neogloboquadrina pachyderma, a planktonic foraminifer that calcifies at relatively shallow depths within the Atlantic waters of the eastern Norwegian Sea
during late summer,» which they compared with the temporal histories of various proxies of concomitant solar activity... This work revealed, as the seven scientists describe it, that «the lowest isotope values (highest temperatures) of the last millennium are seen ~ 1100 - 1300 A.D.,
during the Medieval Climate Anomaly, and again after ~ 1950 A.D.» In between these two warm intervals, of course, were the colder temperatures of the Little Ice Age, when oscillatory thermal minima occurred at the times of the Dalton, Maunder, Sporer and Wolf solar minima, such that the δ18O proxy record of near - surface water temperature was found to be «robustly and near - synchronously correlated with various proxies of solar variability spanning the last millennium,» with decade - to century - scale temperature variability of 1 to 2 °C magnitude.»