Sentences with phrase «of stalagmites»

The scientists have a hypothesis that they can look at the growth of stalagmites in certain caves and correlate the annual growth rate with climate conditions.

«The surface temperature changes for the last 4000 years in northern inland Iberia (an area particularly sensitive to climate change) are determined by a high resolution study of carbon stable isotope records of stalagmites from three caves (Kaite, Cueva del Cobre, and Cueva Mayor) separated several 10 s km away in N Spain.

Aharon recognized the potential of stalagmites in the caves to provide clues on Earth's past climate.

This is a survey of the ancient levels of lakes, rivers and the sea, as well as changes in the compositions of stalagmites and sediments.

She and colleagues write in Scientific Reports journal that they examined the chemical makeup of stalagmites collected from a cave in southern Belize, in Central America, and used their data to reconstruct the pattern of hurricane rainfall over the last 450 years.

journal that they examined the chemical makeup of stalagmites collected from a cave in southern Belize, in Central America, and used their data to reconstruct the pattern of hurricane rainfall over the last 450 years.

For example check out the paper of Frapier (2005) describing the testing of a method for identifying tropical cyclone events using isotope ratios in the cores of stalagmites.

Struck by the eerie similarities between the giant megalopolises of Los Angeles and Beijing, Sterling Ruby (born 1972) takes the reader into his own journalistic vision - sourcing photographs of landscapes and interiors of the two cities, both shot and found by the artist - each page claustrophobically framed by collaged imagery of stalagmites and stalactites.

He created this amazing environment, a world seeming to be made of stalagmites and stalactites, an otherworldly landscape.

An incredible network of freshwater caves and caverns with breathtaking formations of stalagmites & stalagtites, and underwater lightshows await, at Mexico's famous cenotes.

Your expert guides will lead you on an extensive route into the depths of the Earth, where you will witness a truly beautiful and strange underground world full of amazing rock formations including an array of stalagmites and stalactites.

Some of its stalagmites and stalactites are so sculptural that they have earned nicknames — one...

Khao Khanab Nam hosts caves with beautiful cluster formations of stalagmites and stalactites created over thousands of years, alongside prehistoric paintings.

As you dive deeper, it opens up into a network of these ancient caverns, full of stalagmites that you can go into... That's it.

Deep within a French cave where no light penetrates are two curious structures: large rings of stalagmites, some broken and arranged like the rails of old - fashioned wooden fences.

Humankind's close evolutionary cousins built large, circular structures out of stalagmites in a French cave around 176,500 years ago, researchers say.

And the upward rate of growth of stalagmites in the cave is very sensitive to rainfall — the more water in the peat, the more slowly the stalagmites grow.

In this case, the researchers combined records of ancient lake levels, location and extent of glaciation, variations in the composition of stalagmites in caves, and evidence for changes in vegetation and subsurface soil deposits associated with water table depth.

Researchers linked dated graffiti about droughts in a cave in China to physical evidence in the cave of the water shortages, such as changes in ratios of stable isotopes in specific layers of stalagmites

Rings of stalagmites on a cave floor were arranged by our extinct human relatives, hinting at their sophistication and intelligence

Neanderthals built one of the world's oldest constructions — 176,000 - year - old semicircular walls of stalagmites in the bowels of a cave in southwest France.

But Denniston and his research team found more than just variations in the chemical composition of the stalagmites they examined; they discovered that the interiors of the stalagmites also contained prominent layers of mud.

Once the ages of the stalagmites were known, the mud layers were measured.

Angelique Gonzales» 14, who worked with Denniston on the research and is third author on the paper, examined nearly 11 meters of stalagmites, measuring them in half millimeter increments and recording the location and thickness of mud layers.

His work in Australia began in 2009 and was originally intended to focus on the chemical composition of the stalagmites as a means of reconstructing past changes in the intensity of Australian summer monsoon rains.

Below, a gray - scale image of a slab of the stalagmite after it was prepared for analysis.

The hip bone investigated by the German - Mexican researcher team only escaped being stolen through the protection provided by the rock - hard lime - sinter of the stalagmite.

The waterlogged remnants were clumped onto a circular base, creating a cluster of stalagmite shapes over a period of time, which were then cast in bronze.

The topography of the white bone like objects is uneven, landscape - like, one of which is reminiscent of a stalagmite.

Indeed an examination of a stalagmite shows that the Bronze Age coincided with a period of severe drought at 1200 BC.

One might therefore posit that the widths could be corrected back to the volume of the material deposited based on the width and height of the stalagmite at the time (if these assumptions are close to the mark, it would be a linear, first order correction since surface area in a cone varies linearly with height and radius).

It seems it would be a lot easier to create a model for the growth of a stalagmite that is reasonable than for the entire climate system of Earth.

Of course, even in the case of the stalagmite it would be still nothing more than an educated best effort.

If we don't understand the physics well enough to know how, all things being equal, band widths will vary by size of the stalagmite, then we don't understand the physics well enough to use it confidently as a climate proxy.

Not exact matches

This time you can clearly see several previous peaks, along with those double stalagmites of the recent highs (tested again, incidentally, since this graph was created in 2010).

Researchers looked at the ratios of two forms of oxygen atoms in the minerals deposited in layers in two stalagmites that had formed in a cave in the Himalayan foothills about 200 kilometers north of New Delhi.

It wasn't just a muted version of the Chinese stalagmites,» Cobb added.

To find out, Valerie Trouet at the Swiss Federal Institute for Forest, Snow and Landscape Research in Birmensdorf and colleagues studied the growth rate of trees in Morocco and a stalagmite in Scotland, both dating back 1000 years, to determine rainfall levels during the MCA.

Due to the way stalagmites and stalactites grow, the layers in the middle of these structures preserve older environmental information, while those closer to the surface hold clues to the more recent past.

Stalagmites (which grow from the ground up) and stalactites (which hang from the ceiling) form when water at the surface seeps through the soil and drips into underground chambers over hundreds or thousands of years.

The value of this information is illustrated by the results of a study published May 19 in the journal Geophysical Research Letters by Oster's group, working with colleagues from the Berkeley Geochronology Center, the Smithsonian Institution National Museum of Natural History and the University of Cambridge titled «Northeast Indian stalagmite records Pacific decadal climate change: Implications for moisture transport and drought in India.»

A stalagmite is a type of speleothem that rises from the floor of a limestone cave due to the dripping of mineralized solutions and the deposition of calcium carbonate.

But he also discovered a number of new stalagmites that had begun growing on the broken bases.

Because of the large amount of water running into the cave, the stalagmite they choose to analyze had grown about 2.5 centimeters in 50 years.

This is a photo of the small stalagmite in the Mawmluh cave before it was collected.

When the conversation turns to the weather and the climate, most people's thoughts naturally drift upward toward the clouds, but Jessica Oster's sink down into the subterranean world of stalactites and stalagmites.

By dating a stalagmite that had grown on the hip bone, they were able to narrow down the age of the human bones from the Chan Hol Cave.

Scattered bear skulls, including one with a stalagmite growing from its top, litter the floor of the cave.

Today we can only guess as to why a group of Neanderthals built a series of large stalagmite structures in a French cave — but the fact they did provides a rare glimpse into our extinct cousin's potential for social organisation in a challenging environment.

They are built from around 400 individual stalagmites with a combined weight of about 2 tonnes.