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Category Archives: Stable Isotopes
Tropical Caves Shed Light on Ancient Climate Change
5/9/2012 Almost everything we know about noteworthy climate shifts such as ice ages comes from the cold northern latitudes. Polar ice cores and North Atlantic deep ocean sediments have revealed global glaciations and jumps in temperature and greenhouse gases such … Continue reading
Pollution tracker
5/9/2012 UD’s Jaisi wins ORAU Powe Award to track down nutrient pollutant in Chesapeake Too much of a good thing can kill you, the saying goes. Such is the case in the Chesapeake Bay, North America’s largest estuary, where … Continue reading
Investigation Into Trout Populations Will Yield Unprecedented Data
5/7/2012 A Norwegian-led international research team in collaboration with the Ocean Tracking Network (OTN), headquartered at Dalhousie University, in Canada, is launching a 1.1 million Norwegian kroner (C$190,626) study that will place acoustic tags on Norwegian sea trout (Salmo trutta). … Continue reading
Joint European Stable Isotope Users Group Meeting – JESIUM 2012
4/30/2012 Stable isotope methodologies have become a crucial research tool in a wide range of scientific fields. The purpose of the meeting is to bring together a broad range of stable isotope scientists from all over the world, to encourage … Continue reading
Popularity of food authentication on the rise
4/30/2012 Where did that organic beef come from, anyway? Isotopic analysis is helping identify unscrupulous food producers. – by Jenni Spinner, Senior Editor / Packaging Digest Food authentication techniques are gaining popularity, partly because of growing concerns about fraud involving organic … Continue reading
4/30/2012 Carbon isotopes in methane gas reveal significant details about Titan, Saturn’s giant moon. By modeling how the concentration of heavy methane changes over time, the scientists predicted how long Titan’s chemical factory has been running. Saturn’s giant moon Titan … Continue reading
The Antarctic Sun: News about Antarctica – Not Sitting Down
4/30/2012 Oxygen isotopes help scientists understand glacial changes in Antarctica – by Peter Rejcek, Antarctic Sun Editor Scientists are generally in agreement that glaciers in West Antarctica are charging ever faster toward the coast, releasing more ice to the sea, … Continue reading
Ammonites found mini oases at ancient methane seeps
4/18/2012 Isotopes of carbon, oxygen and strontium reveal surprises about the sea creatures that once lived in what is now the American Great Plains. Research led by scientists at the American Museum of Natural History shows that ammonites—an extinct type of shelled … Continue reading
What’s the Moon Made Of? Earth, Most Likely.
4/12/2012 Isotopes of oxygen and titanium suggest a new theory as to the moon’s origins. Recent research on lunar samples has shown that the Moon may be made of more Earth than green cheese — if by “green cheese” you … Continue reading
Moon’s makeup may be more like Earth’s than thought
3/26/2012 Titanium isotopes help explain similarities between the moon and Earth, a new study shows Far more of the moon may be made of material from Earth than previously thought, according to a new study that may contradict the reigning … Continue reading