Tweet Share on Facebook Share Share Email Pin Pocket Flipboard How to create a detailed 3D topographic model of the entire Earth? As you could suspect the only feasible way to do it is using satellites. But a regular satellite scan will not be detailed enough to give you a meter-level accuracy. Researches from The German …
"Mount Everest is usually said to be the highest mountain on Earth. Reaching 29,035 feet at its summit, Everest is indeed the highest point above global mean sea level—the average level for the ocean surface from which elevations are measured. But the summit of Mt. Everest is not the farthest point from Earth’s center.
Earth is not a perfect sphere, but is a bit thicker at the Equator due to the centrifugal force created by the planet’s constant rotation. Because of this, the highest point above Earth’s center is the peak of Ecuador’s Mount Chimborazo, located just one degree south of the Equator where Earth’s bulge is greatest. The summit of Chimborazo is 20,564 feet above sea level. However, due to the Earth’s bulge, the summit of Chimborazo is over 6,560 feet farther from the center of the Earth than Everest’s peak. That makes Chimborazo the closest point on Earth to the stars.
You may be surprised to learn that Everest is not the tallest mountain on Earth, either. That honor belongs to Mauna Kea, a volcano on the Big Island of Hawaii. Mauna Kea originates deep beneath the Pacific Ocean, and rises more than 32,800 feet from base to peak."
"You can't protect what you can't map," says Patrick Meier. He pioneered the field of crisis mapping during the 2010 Haiti earthquake, and now focuses on the use of robotics for humanitarian purposes.
Lorraine Chaffer's insight:
Curriculum Links: Geomorphic hazards Students investigate ONE contemporary geomorphic hazard including causes, impacts and responses, for example: - examine responses of individuals, groups and government to the impact of the disaster - discuss management strategies to reduce the future impact of similar hazard events including the role of technology Geoworld 7 NSW Chapter 5 Geomorphic Hazards 5.6 Shaky ground: Earthquakes 5.7 Haitian and Chilean earthquakes 5.10 Landslides change landscapes 5.12 Disaster management and technology
Hundreds of thousands of tonnes of tailings from the Grasberg mine end up in the Indonesian province’s Aikwa delta system every day, which the Kamoro tribe say is destroying the landscape on which they rely for food and trade...
Poor infrastructure, deforestation and failure to prepare for earthquakes and storms put the island at very high risk
Lorraine Chaffer's insight:
Curriculum Links: Geomorphic hazards Students investigate ONE contemporary geomorphic hazard including causes, impacts and responses, for example: - describe of the spatial distribution - explain geomorphic processes causing the disaster and impacts - examine responses of individuals, groups and government to the impact of the disaster - discuss management strategies to reduce the future impact of similar hazard events including the role of technology Geoworld 7 NSW Chapter 5 Geomorphic Hazards
5.1 Geomorphic hazards 5.2 Hazards: Risks and vulnerability
5.6 Shaky ground: Earthquakes 5.7 Haitian and Chilean earthquakes 5.12Disaster management and technology
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