Biogeochemistry
Volcanoes fuel life in the ocean
Read about how volcanic ash travels hundreds of miles by wind and supplies iron, an essential nutrient, to ocean life.
Tag: geology
Microbiology
Oxygen Tied up in Tides
A new study connects ocean tides with the oxygenation of our atmosphere.
Climate Change Paleoceanography
Can clays from northern Canada provide a 3,000-year temperature record of the Atlantic Ocean?
A sediment record from a lake in northern Canada is being used to reconstruct Atlantic Ocean temperatures at a resolution…
Climate Change
How cold did the ice age really get?
Scientists revisit the question of global temperatures during the last ice age. They tackle this with state of the art…
Climate Change
Skating on Thin Ice
Newly developed global climate models show us that Arctic Sea ice may be more unstable than we previously thought. The…
Paleoceanography
How much heat is stored in the oceans: Insights from ice cores
Reviewing: Shackleton, S., et al. “Global ocean heat content in the Last Interglacial.” Nature geoscience 13.1 (2020): 77-81. DOI: https://doi.org/10.1038/s41561-019-0498-0 Water…
technology
Under the Sea(floor): Ocean Drilling and Scientific Discovery
Deep, dark, and mysterious, the ocean seafloor contains clues and records of past life and climates on earth. Understanding the…
Biological oceanography Physical oceanography
Best of both worlds: stromatolites of the intertidal zone
Did you know that the earliest form of life on Earth can still be found today? Read more to find…
Book Review Evolution
Red dead algae
Life on earth has been evolving for a long time - billions of years! The timing of when different kinds…
Climate Change Geology Glaciers
Mountains vs. Climate, Recorded in Marine Sediment
Mountain ranges can actively evolve with Earth’s climate. A new study of the St. Elias Range in coastal Alaska demonstrates…
Climate Change Geology Sea-level Rise
Climate Transgressions and Barrier Islands
Barrier Islands support local economies, residents, tourism, fragile environments, and sometimes valuable resources. Yet, they are extremely susceptible to storms…
Biology Book Review Coastal Management Conservation Coral Ecology Economy Fisheries Human impacts Policy Pollution
The Great Barrier Reef is worth $15 billion – $20 billion AUS a year: A quick lesson in ecosystem economics
When discussing the value of an ecosystem, tensions run high. Some people evaluate ecosystems with heavy emphasis on non-use values,…
Cyclones Geology Hazards Volcanoes
A volcano, a tropical cyclone, and a computer model walked into a room…
Like with bad jokes, timing is everything. The punch line doesn’t make sense if you don’t know the back story,…
Book Review
The oldest seawater chemically analyzed
Water water everywhere, water water always there, but how it’s changed you may not know, read this story and Spear…
Alternative Energy Chemistry Geology Remote Sensing technology
Need help counting bubbles? Now you can use sound!
Bubbles elicit scenes of childhood summers playing on the front stoop or backyard. On the other hand, put bubbles at…
Geology
Oceanography in space! Using a satellite to profile an extraterrestrial lake
In 2013, a satellite orbiting Saturn passed by its largest moon, Titan. The satellite track offered a rare opportunity to…
Geology
First evidence of deep explosive volcanic activity at the Marsili Seamount
The Marsili Seamount is the largest volcanic complex in the Mediterranean area and Europe. Previously thought to have last erupted…
Climate Change Geology Paleoceanography
Reconstructing climate history from sediments in the Gulf of Taranto, Italy
What was the climate like in Southern Italy 10,000 years ago? This question and many more can be answered by…
Geology
If Popocatépetl volcano blows, prepare for a few nights stuck in the airport.
Plinian eruptions have a high degree of material fragmentation, generating high altitude ash plumes that can travel far from the…
Geology
Riding the Waves of Change: A Revised Beach Cycle for Mixed Sand and Gravel Beaches
A seasonal cycle of sand volume for typical sand beaches has been described for decades. This cycle does not hold…