Sedimentary deposits tell a story about how the Earth responded to a changing climate in the past and are an important tool for predicting what climate change will mean for the future. A new study by a University of Arkansas ...
Earth Sciences
Apr 16, 2019
0
15
One of the main challenges in wildlife conservation biology is to understand what factors affect vulnerable wildlife populations over time. Scientists have been trying to understand these factors to estimate how much hunting ...
Ecology
Apr 02, 2019
0
98
The solid Earth breathes as volcanoes "exhale" gases like carbon dioxide (CO2)—which are essential in regulating global climate—while carbon ultimately from CO2 returns into the deep Earth when oceanic tectonic plates ...
Earth Sciences
Mar 26, 2019
0
57
The 5.4 million square-mile Antarctic ice sheet is by far the greatest mass of fresh water on earth. If all it were to melt, it would raise global sea levels some 70 meters (220 feet), driving human civilization inland, and ...
Earth Sciences
Mar 26, 2019
0
14
The 5.4 million-square-mile Antarctic Ice Sheet is the greatest mass of fresh water on Earth. If it all were to melt, it would raise global sea levels some 220 feet. Searching for answers to how fast the ice might react to ...
Earth Sciences
Mar 25, 2019
0
17
In the Atlantic Ocean, a giant 'conveyor belt' carries warm waters from the tropics into the North Atlantic, where they cool and sink and then return southwards in the deep ocean. This circulation pattern is an important ...
Earth Sciences
Mar 20, 2019
143
3664
The types of bacteria living in and around fiddler crab burrows vary widely between mangroves, but their functional activities are remarkably similar.
Plants & Animals
Mar 11, 2019
0
5
Over the last million years, ice ages have intensified and lengthened. According to a study led by the University of Bern, this previously unexplained climate transition coincides with a diminution of the mixing between deep ...
Earth Sciences
Mar 08, 2019
0
129
New results from the Gulf of Corinth, Greece, a continental rift zone where the first stage of ocean basin formation is taking place, show how the environmental conditions and sediment input into the rift basin changed as ...
Earth Sciences
Feb 28, 2019
0
23
The Copernicus Sentinel-2B satellite captured this true-colour image on 5 February 2019, just three days after heavy rainfall in Rome and the surrounding area of Lazio, Italy. It shows sediment gushing into the Tyrrhenian ...
Earth Sciences
Feb 25, 2019
0
7
Sediment is any particulate matter that can be transported by fluid flow, and which eventually is deposited.
Sediments are most often transported by water (fluvial processes) transported by wind (aeolian processes) and glaciers. Beach sands and river channel deposits are examples of fluvial transport and deposition, though sediment also often settles out of slow-moving or standing water in lakes and oceans. Desert sand dunes and loess are examples of aeolian transport and deposition. Glacial moraine deposits and till are ice transported sediments.
This text uses material from Wikipedia, licensed under CC BY-SA
