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Why the Sumatra earthquake was so severe

Thu, 25 May 2017 14:15:47 EDT ~ An international team of scientists has found evidence suggesting the dehydration of minerals deep below the ocean floor influenced the severity of the Sumatra earthquake, which took place on Dec. 26, 2004. Find out more...

The birth and death of a tectonic plate

Wed, 24 May 2017 15:26:28 EDT ~ A new technique to investigate the underwater volcanoes that produce Earth's tectonic plates has been developed by a geophysicist. Find out more...

Going with the flow: The forces that affect species' movements in a changing climate

Wed, 24 May 2017 08:45:03 EDT ~ Ocean currents affect how climate change impacts movements of species to cooler regions. A new study provides novel insight into how species' distributions change from the interaction between climate change and ocean currents. Find out more...

Transforming how complex marine data is synthesized

Tue, 23 May 2017 14:41:13 EDT ~ Scientists are transforming how complex marine data from the Ocean Health Index is synthesized, communicated and used for coastal management. Find out more...

Weathering of rocks a poor regulator of global temperatures

Tue, 23 May 2017 08:20:09 EDT ~ Evidence from the age of the dinosaurs to today shows that chemical weathering of rocks is less sensitive to global temperature, and may depend on the steepness of the surface. The results call into question the role of rocks in setting our planet's temperature over millions of years. Find out more...

Sea level as a metronome of Earth's history

Fri, 19 May 2017 08:36:31 EDT ~ Sedimentary layers contain stratigraphic cycles and patterns that precisely reveal the succession of climatic and tectonic conditions that have occurred over millennia. Researchers have been working on an analytical method that combines observing deep-water sedimentary strata and measuring in them the isotopic ratio between heavy and light carbon. They have discovered that the cycles that punctuate these sedimentary successions are ascribable to sea level changes. Find out more...

Iron deficiency restrains marine microbes

Fri, 19 May 2017 08:36:28 EDT ~ Iron is a critical nutrient in the ocean. Its importance for algae and the nitrogen cycle has already been investigated in detail. Now a new discovery shows that microbes also need iron to process phosphorus. A team of researchers has completed a study showing that iron can limit phosphorus acquisition in the ocean. Their study contributes to knowledge of nutrient cycling in the ocean. Find out more...

GIS: A powerful tool to be used with caution

Thu, 18 May 2017 10:40:12 EDT ~ A recent study provides a new perspective on the severe impacts of escalating climate change on the heritage resources of Canadian Arctic. Referring to the application of Geographic Information System analytical methods in assessing the threat of shoreline erosion to archaeological sites, it details steps taken to review the quality of the GIS model in light of a discrepancy with rates observed during actual survey visits. Find out more...

Thu, 18 May 2017 08:30:39 EDT ~ Temperatures in the Arctic are increasing twice as fast as in the rest of the globe, while the Antarctic is warming at a much slower rate. A new study shows that land height could be a 'game changer' when it comes to explaining why temperatures are rising at such different rates in the two regions. Find out more...

Fate of marine carbon in last steps toward sequestration

Wed, 17 May 2017 13:25:56 EDT ~ New research explains how an ancient group of cells in the dark ocean wrings the last bit of energy from carbon molecules resistant to breakdown. Find out more...