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Latest and Breaking Oceanography News
Scientists offer first definitive proof of bacteria-feeding behavior in green algae
(American Museum of Natural History) Researchers have captured images of green alga consuming bacteria, offering a glimpse at how early organisms dating back more than 1 billion years may have acquired free-living photosynthetic cells. This acquisition is thought to be a critical first step in the evolution of photosynthetic algae and land plants, which, in turn, contributed to the increase in oxygen levels in Earth's atmosphere and ocean and provided one of the conditions necessary for animal evolution.
Study reveals how fishing gear can cause slow death of whales
(Woods Hole Oceanographic Institution) Using a "patient monitoring" device attached to a whale entangled in fishing gear, scientists showed for the first time how fishing lines changed a whale's diving and swimming behavior. The monitoring revealed how fishing gear hinders whales' ability to eat and migrate, depletes their energy as they drag gear for months or years, and can result in a slow death.
Abundance and distribution of Hawaiian coral species predicted by model
(University of Hawaii ‑ SOEST) Researchers from the University of Hawaii, Manoa School of Ocean and Earth Science and Technology developed species distribution models of the six dominant Hawaiian coral species around the main Hawaiian Islands, including two species currently under consideration as threatened or endangered.
Amazon River exhales virtually all carbon taken up by rain forest
(University of Washington) A study published this week in Nature Geoscience shows that woody plant matter is almost completely digested by bacteria living in the Amazon River, and that this tough stuff plays a major part in fueling the river's breath.
New GEOSPHERE science online covers Himalaya, Colorado River, McMurdo Sound, and more
(Geological Society of America) New Geosphere postings online on 7 and 16 May include additions to two special issues: CRevolution 2: Origin and Evolution of the Colorado River System II and The ANDRILL McMurdo Ice Shelf and Southern McMurdo Sound Drilling Projects. Other articles cover India-Asia collision; a Late Triassic snapshot in the US Southwest; the Alabama and western Georgia Blue Ridge; and the Jemez Mountains volcanic field.
Scientists explore roots of future tropical rainfall
(Woods Hole Oceanographic Institution) How will rainfall patterns across the tropical Indian and Pacific regions change in a future warming world? Climate models generally suggest that the tropics as a whole will get wetter, but the models don't always agree on where rainfall patterns will shift in particular regions within the tropics.
Sea level influenced tropical climate during the last ice age
(University of Hawaii ‑ SOEST) The Indo-Pacific warm pool was much dryer during the last ice age than today, because lower sea level exposed the Sunda Shelf. The large landmass, in place of the warm ocean, altered the atmospheric circulation, shifting convection further west into the Indian Ocean. These findings by scientists at the International Pacific Research Center, University of Hawaii at Manoa, and Woods Hole Institute of Oceanography, appear in the May 19, online edition of Nature Geoscience.
Satellite sees Tropical Storm Alvin's life end quickly
(NASA/Goddard Space Flight Center) The first tropical storm of the Eastern Pacific hurricane season was short-lived. Satellite imagery revealed that Tropical Storm Alvin became a remnant low pressure area 36 hours after it was named.
NASA sees Cyclone Mahasen hit Bangladesh
(NASA/Goddard Space Flight Center) NASA's Tropical Rainfall Measuring Mission satellite known as TRMM measured Cyclone Mahasen's rainfall rates from space as it made landfall on May 16. Mahasen has since dissipated over eastern India.
NASA sees Eastern Pacific get first tropical storm: Alvin
(NASA/Goddard Space Flight Center) NASA's Aqua satellite and NOAA's GOES-15 satellite captured imagery of the Eastern Pacific Ocean's first named tropical storm, Alvin.
(American Museum of Natural History) Researchers have captured images of green alga consuming bacteria, offering a glimpse at how early organisms dating back more than 1 billion years may have acquired free-living photosynthetic cells. This acquisition is thought to be a critical first step in the evolution of photosynthetic algae and land plants, which, in turn, contributed to the increase in oxygen levels in Earth's atmosphere and ocean and provided one of the conditions necessary for animal evolution.
Study reveals how fishing gear can cause slow death of whales
(Woods Hole Oceanographic Institution) Using a "patient monitoring" device attached to a whale entangled in fishing gear, scientists showed for the first time how fishing lines changed a whale's diving and swimming behavior. The monitoring revealed how fishing gear hinders whales' ability to eat and migrate, depletes their energy as they drag gear for months or years, and can result in a slow death.
Abundance and distribution of Hawaiian coral species predicted by model
(University of Hawaii ‑ SOEST) Researchers from the University of Hawaii, Manoa School of Ocean and Earth Science and Technology developed species distribution models of the six dominant Hawaiian coral species around the main Hawaiian Islands, including two species currently under consideration as threatened or endangered.
Amazon River exhales virtually all carbon taken up by rain forest
(University of Washington) A study published this week in Nature Geoscience shows that woody plant matter is almost completely digested by bacteria living in the Amazon River, and that this tough stuff plays a major part in fueling the river's breath.
New GEOSPHERE science online covers Himalaya, Colorado River, McMurdo Sound, and more
(Geological Society of America) New Geosphere postings online on 7 and 16 May include additions to two special issues: CRevolution 2: Origin and Evolution of the Colorado River System II and The ANDRILL McMurdo Ice Shelf and Southern McMurdo Sound Drilling Projects. Other articles cover India-Asia collision; a Late Triassic snapshot in the US Southwest; the Alabama and western Georgia Blue Ridge; and the Jemez Mountains volcanic field.
Scientists explore roots of future tropical rainfall
(Woods Hole Oceanographic Institution) How will rainfall patterns across the tropical Indian and Pacific regions change in a future warming world? Climate models generally suggest that the tropics as a whole will get wetter, but the models don't always agree on where rainfall patterns will shift in particular regions within the tropics.
Sea level influenced tropical climate during the last ice age
(University of Hawaii ‑ SOEST) The Indo-Pacific warm pool was much dryer during the last ice age than today, because lower sea level exposed the Sunda Shelf. The large landmass, in place of the warm ocean, altered the atmospheric circulation, shifting convection further west into the Indian Ocean. These findings by scientists at the International Pacific Research Center, University of Hawaii at Manoa, and Woods Hole Institute of Oceanography, appear in the May 19, online edition of Nature Geoscience.
Satellite sees Tropical Storm Alvin's life end quickly
(NASA/Goddard Space Flight Center) The first tropical storm of the Eastern Pacific hurricane season was short-lived. Satellite imagery revealed that Tropical Storm Alvin became a remnant low pressure area 36 hours after it was named.
NASA sees Cyclone Mahasen hit Bangladesh
(NASA/Goddard Space Flight Center) NASA's Tropical Rainfall Measuring Mission satellite known as TRMM measured Cyclone Mahasen's rainfall rates from space as it made landfall on May 16. Mahasen has since dissipated over eastern India.
NASA sees Eastern Pacific get first tropical storm: Alvin
(NASA/Goddard Space Flight Center) NASA's Aqua satellite and NOAA's GOES-15 satellite captured imagery of the Eastern Pacific Ocean's first named tropical storm, Alvin.
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