Thursday, May 19, 2022
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This is a tidal marsh in Maryland, on a tributary of Chesapeake Bay.
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As sea level rises, wetlands crank up their carbon storage

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A 2015 wildfire burns in the boreal forest of central Alaska. A recent study by Tyler Hoecker and Philip Higuera reconstructs fire history in a nearby boreal forest landscape and suggests that fire activity over the past several decades has been higher than at any time over the past 450 years.
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Alaska forest fires over past 450 years

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Scientists use the deep-diving robot Jason to collect water samples from oceanic crust at a subseafloor observatory off the coast of Washington. A recent study found that a group of unusual microbes living below the seafloor provides clues to the evolution of life on Earth, and potentially other planets. Credit: Woods Hole Oceanographic Institution, courtesy of University of California, Santa Cruz, US National Science Foundation, ROV Jason dive J2-711, 2013, AT26-03 cruise chief scientist Andrew Fisher
climate

Unusual microbes hold clues to early life

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pillow basalts from undersea volcanic eruptions,
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Researchers help define Southern Ocean’s geological features

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The drumlins were formed by fast-moving ice floes instead of slow melting ice. Credit: WVU
climate

Researchers unearth an ice age in the African desert

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Carbon dioxide emissions can be securely stored in underground rocks, with minimal possibility of the gas escaping from fault lines back into the atmosphere, research by the University of Edinburgh has shown. Credit: Johannes Miocic
climate

Fault lines are no barrier to safe storage of CO2 below...

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Doctoral students Daniel Miller, in the water, with Helen Habicht and Benjamin Keisling, handle two recaptured sediment traps from an unusually deep lake in central Maine, where they collected 136 sediment samples spanning the 900-year time span to reconstruct the longest and highest-resolution climate record for the Northeastern United States to date.
climate

Geoscientists reconstruct ‘eye-opening’ 900-year Northeastern U.S. climate record

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Yellowstone National Park
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Surviving one of Earth’s most extreme environments

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Future climate analogs for the years 2020, 2050, 2100 and 2200 according to three well-established models. If greenhouse gas emissions are not curbed, the study says, the climate will continue to warm until it begins to resemble the Eocene in 2100. Credit: Courtesy of the authors
climate

Humans may be reversing the climate clock, by 50 million years

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Planktonic foraminifera, such as these collected in the Gulf of Mexico, form the base of many marine and aquatic food chains.
climate

Climate, life and the movement of continents: New connections

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The Indus civilization was the largest—but least known—of the first great urban cultures that also included Egypt and Mesopotamia. Named for one of their largest cities, the Harappans relied on river floods to fuel their agricultural surpluses. Today, numerous remains of the Harappan settlements are located in a vast desert region far from any flowing river.
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Climate change likely caused migration, demise of ancient Indus Valley civilization

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Thylacoleo carnifex
climate

Climate change the likely killer of Australian marsupial lion

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T, temperature; S, salinity; P, phosphate; N, nitrogen salt; Si, silicate; E, extracellular enzyme; POC, particulate organic carbon; DOC, dissolved organic carbon. Credit: ©Science China Press
climate

Scientists propose that vibrios have significant roles in marine organic carbon...

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Vavilov Ice Cap in the Russian High Arctic
climate

Unprecedented ice loss in Russian ice cap

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Natural magnesite crystal (4 microns wide).
climate

Faster way to make mineral to remove carbon dioxide from atmosphere

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Iron-silica particles helped shield cyanobacteria like these, which played a key role in the oxygenation of Earth's atmosphere according to new research from UAlberta.
climate

Iron-silica particles unlock part of the mystery of Earth’s oxygenation

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Artistic depiction of early Earth blasted by solar system debris.
climate

Chemical footprint in present-day atmosphere mimics that observed in ancient rock

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biotite
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Platinum is key in ancient volcanic related climate change

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Continental plates around Greenland.
climate

Icy Greenland’s heated geologic past

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Herðubreið Volcano in Iceland
climate

Minerology on Mars points to a cold and icy ancient climate

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