Over a course of 12 days Dr. Giuliana Panieri and her colleagues from Centre for Arctic Gas Hydrate, Environment and Climate (CAGE) collected images from seven areas of known methane release in the Arctic Ocean. One of them was Vestnesa Ridge, with over 1000 active seep sites at the depth of over 1000 m.
UC Irvine researchers conducted two new studies using data from NASA Gravity Recovery and Climate Experiment satellites and reported rapid draining of water in some of the large groundwater basins worldwide due to human consumption. Further, there is less or no data available on the remaining amount of water in these basins.
The rapidly rising levels of carbon dioxide in the atmosphere affect plants’ absorption of nitrogen, which is the nutrient that restricts crop growth in most terrestrial ecosystems. Researchers at the University of Gothenburg have now revealed that the concentration of nitrogen in plants’ tissue is lower in air with high levels of carbon dioxide, regardless of whether or not the plants’ growth is stimulated. The study has been published in the journal Global Change Biology.
An amendment has been approved by the Mid-Atlantic Fishery Management Council this week for the creation of “deep sea coral zones” in the Mid-Atlantic as a measure to protect deep sea corals that are vulnerable to damage from bottom-tending fishing gear. On approval from the Secretary of Commerce, the zones will be formed in the regions where corals have been widely found or likely to be present.
As the climate warms, glaciers and other terrestrial ice reservoirs will release massive amounts of organic carbon into the water circulation. Just how much and how quickly it will be released is the focus of a recent Nature Geoscience publication.
As the ocean absorbs atmospheric carbon dioxide (CO2) released by the burning of fossil fuels, its chemistry is changing. The CO2 reacts with water molecules, lowering the ocean's pH in a process known as ocean acidification. This process also removes carbonate ions, an essential ingredient needed by corals and other organisms to build their skeletons and shells.
Geoengineering of the climate may be the only way to save coral reefs from mass bleaching, according to new research.
Tropical rainforests have long been considered the Earth's lungs, sequestering large amounts of carbon dioxide from the atmosphere and thereby slowing down the increasing greenhouse effect and associated human-made climate change. Scientists in a global research project now show that the vast extensions of semi-arid landscapes occupying the transition zone between rainforest and desert dominate the ongoing increase in carbon sequestration by ecosystems globally, as well as large fluctuations between wet and dry years. This is a major rearrangement of planetary functions.
Invasive earthworms in New England's forests are absorbing toxic metal pollutants in potentially hazardous levels that may be contributing to a decline in birds, amphibians and mammals that feed on them, a Dartmouth-led study finds.
An international team of scientists has used the fossil record during the past 23 million years to predict which marine animals and ecosystems are at greatest risk of extinction from human impact.
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