Sentences with phrase «mud cores from»

Studies range from documenting bloom dates of trees and flowers to extracting mud cores from the ocean floor.
Analysis of pollen in mud cores from the bed of a lake near the Andean fortress city of Ollantaytambo, Peru, reveals that, there at least, the agricultural revolution happened very quickly, some 2700 years ago.
When Norwegian researchers brought up a mud core from the floor of the Atlantic Ocean in 2010, they were orchestrating a family reunion.

Not exact matches

Who really cares what any of them think, one of their core beliefs is that men were made from mud, and women from a spare rib.
About 10 feet from the seafloor, a trigger core hits bottom and releases the main core, which drops the remainder of the way by gravity and buries itself in the mud.
Recently, he and his colleagues examined samples of a mud core extracted from between 860 metres and 1626 metres beneath the sea floor off the coast of Newfoundland.
Bierman and four colleagues — from UVM, Boston College, Lawrence Livermore Laboratory, and Imperial College London — studied deep cores of ocean - bottom mud containing bits of bedrock that eroded off of the east side of Greenland.
Mud cores pulled from marshes in the city show that the sea level is already rising faster there than at any time in the past 1,500 years, according to research published in the Holocene Journal in January.
The team also took core samples of mud from 1 to 2 meters below the seafloor and analyzed ancient pollen to determine the age of the samples.
When they took a sediment core from a lake originally created as part of a moat in the Danish capital of Copenhagen, they found centuries» worth of dirt, refuse and pollution particles, with the earliest mud layer dating to 1649.
Because the muds, called varves, seem to have a strong signal for the pulse of La Nina events, the team realized that cores taken from them could offer insights into the climate's past - and maybe its future - for this part of the world.
The organizing principles of climatology come from various threads, but I'd mention the oceanographic syntheses of Sverdrup and Stommel, the atmospheric syntheses of Charney and Lorenz, paleoclimatological studies from ice and mud core field work, and computational work starting with no less than John von Neumann.
These clues include the earlier spring arrivals of migrating birds, earlier blooming of wildflowers and Washington DC's cherry trees, melting glaciers and icecaps, micro-fossils from cores of mud from the ocean floor, and bubbles of ancient air retrieved from cores of glacial ice.
In kid - friendly language, the authors incorporate the work of nearly forty - five scientists into easily - understood reads, ranging from Dr. Camille Parmesan's information on the Edith's checkerspot butterfly, to Dr. Lloyd Keigwin, who studies ancient ocean mud cores.
Spreads jump from topic to topic, from rainforests to tree rings, oceanic mud samples to 800,000 - year - old ice cores.
The authors explain how scientists piece together the Earth's «climate history» from tree rings, mud cores, ice cores, and other sources; how this history compares with recent climate patterns; and how greenhouse gases such as carbon dioxide - much of it human - made - are impacting climate.
Attractive photographs of the natural world, working scientists, easy to read graphs, and kids in action frame the many short essays, which examine a range of topics from CO2 capture in the rainforest to mud cores taken from the bottom of the ocean.
As a professor at the Department of Earth Sciences at Montana State University she's spent decades analyzing mud core samples drilled from lakes around the world to examine climate and fire going back thousands of years.
(When they brought up their core liners and laid them out on the deck, mud would splatter out of the tubes like pellets fired from a pellet gun.)
a b c d e f g h i j k l m n o p q r s t u v w x y z