Geography News

Scientists Produce New Map of Ocean Currents

The ocean currents and their speeds, in cm/s, derived from GOCE data. Image credit: ESA / CNES / CLS.
Nov 27, 2014 by News Staff

An international group of scientists using data from ESA’s Gravity field and steady-state Ocean Circulation Explorer (GOCE) has created the most accurate map of ocean currents to date. The ocean currents and their speeds, in cm/s, derived from GOCE data. Image credit: ESA / CNES / CLS. The GOCE satellite is the first space mission to employ ‘gradiometry,’ the measurement of gravitational differences between an ensemble of test masses inside...

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SeaBED seen under the sea ice. Image credit: Klaus Meiners / Woods Hole Oceanographic Institution.

Scientists Produce First High-Resolution 3D Maps of Antarctic Sea Ice

Nov 25, 2014 by News Staff

Researchers from Australia, the United States and the United Kingdom using an autonomous underwater vehicle known as the SeaBED have created the first...

North Atlantic; red dots are earthquakes. Image credit: David Sandwell / SIO.

New Map of World’s Seafloor Exposes Thousands of Previously Unseen Undersea Mountains

Oct 3, 2014 by News Staff

Using data from NASA’s and European Space Agency’s satellites that measure variations in gravitational field, a multinational team of researchers...

This map of Antarctica shows the rough location of the recently discovered Ellsworth Trough. Image credit: American Geological Society / Polar Geospatial Center.

Ellsworth Trough: Giant Subglacial Trench Discovered in Antarctica

Jan 14, 2014 by News Staff

UK scientists have recently discovered a huge subglacial trough – deeper than the Grand Canyon – in Antarctica. This map of Antarctica shows the...

This map shows the location of two subglacial lakes near the town of Qaanaaq in northwestern Greenland.

Two Subglacial Lakes Discovered in Greenland

Nov 28, 2013 by News Staff

A team of researchers from the University of Cambridge’s Scott Polar Research Institute has discovered two lakes about 800 m below the ice sheet...

Canadian scientists used Google Earth images to estimate the number of fishing weirs along the Persian Gulf coast. This image shows a weir off the coast of Iran. Image credit: Google Earth / Dalal Al-Abdulrazzak / Daniel Pauly.

Google Earth Helps Reveal Untold Fish Catches in Persian Gulf

Nov 27, 2013 by News Staff

Using satellite images from Google Earth, Canadian scientists have found that fishing weirs off the coast of Persian Gulf countries could be catching up...

3D map of the Tamu Massif formation (IODP).

Tamu Massif: Largest Volcano on Earth Discovered Beneath Pacific Ocean

Sep 9, 2013 by Enrico de Lazaro

Oceanographers led by Dr William Sager from the University of Houston have discovered what they say is the biggest single volcano yet documented on our...

This is a 3D visualization of the giant canyon in Greenland (Jonathan Bamber / University of Bristol / NASA's Goddard Space Flight Center Scientific Visualization Studio).

Scientists Discover Giant Canyon beneath Greenland Ice Sheet

Aug 30, 2013 by News Staff

An international team of researchers using radar data from NASA’s Operation IceBridge has discovered a previously unmapped canyon hidden for all...

The ostrich egg globe was made in 1504. Scientists say the engraver was influenced by or worked in the workshop of Leonardo da Vinci. Image credit: Washington Map Society.

Oldest Known Globe to Depict Americas Found

Aug 26, 2013 by News Staff

A collector from Austria has found what experts say is the oldest globe to show the Americas. The ostrich egg globe was made in 1504. Scientists say the...

The supercontinent Gondwana (Lenny)

Scientists Reconstruct Break-up of Eastern Gondwana

Jul 5, 2013 by Natali Anderson

British-Australian team of scientists has revealed the past position of the Australian, Antarctic and Indian tectonic plates at 165 million years ago,...

Geoscientists Discover Microcontinent Hidden Under Lava in Indian Ocean

Feb 25, 2013 by Natali Anderson

According to a study published in the latest issue of the journal Nature Geoscience, the islands Reunion and Mauritius are hiding a Precambrian microcontinent...

Rare 16th Century Map Discovered in Munich

Jul 4, 2012 by Enrico de Lazaro

Librarians at the Ludwig-Maximilians University in Munich, Germany, have discovered a previously unknown variant of the famous map of the world printed...

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