Coriolis force in atmospheric/ocean modeling
Earth scienceAsked by: Ashley Alexander What is the role of Coriolis force in atmospheric movement? Outside storm systems, the impact of the Coriolis effect helps define regular wind patterns around the globe. As warm air rises near the Equator, for instance, it flows toward the poles. In the Northern Hemisphere, these warm air currents are deflected
What are these lake-like blue patches in the desert, visible in satellite image?
Earth scienceAsked by: Ashley Alexander What Colour is water in satellite images? Water absorbs light, so it is usually black or dark blue. Sediment reflects light and colors the water. When suspended sand or mud is dense, the water looks brown. How can I view live satellite images? From near real-time satellite views to live feeds,
Lightning moving close to the ground in Magalia, CA last July, months before the Camp Fire
Earth scienceAsked by: Amber Fierro Which state of the USA has been recently affected with lightning sparked fires? California (CNN) Dry lightning has ignited some of the most destructive and costly wildfires in California history, a new study shows. Can forest fires be caused by lightning? Additionally, many rangeland and grass fires are caused by lightning.
How did Australia separate from India?
Earth scienceAsked by: Amber Fierro It was formed by the fusion of Indian and Australian platesAustralian platesThe Australian Plate is a major tectonic plate in the eastern and, largely, southern hemispheres. Originally a part of the ancient continent of Gondwana, Australia remained connected to India and Antarctica until approximately 100 million years ago when India broke
How global was the Bonarelli Oceanic Anoxic Event?
Earth scienceAsked by: Derreck Phutane When did ocean anoxic events occur? It’s known as Oceanic Anoxic Event 2. The Mesozoic era, stretching from 252 to 66 million years ago, is sometimes mistakenly thought of as sort of long and uneventful Pax Dinosauria—a stable, if alien world. But the period was occasionally punctuated by severe climate and
Permian-Triassic mass extinction. Consequences on Earth’s system
Earth scienceAsked by: Derreck Phutane How did the Permian extinction affect the Earth? The Permian extinction was characterized by the elimination of over 95 percent of marine and 70 percent of terrestrial species. In addition, over half of all taxonomic families present at the time disappeared. This event ranks first in severity of the five major
How will global warming affect climate systems like the ENSO or the MJO?
Earth scienceAsked by: Craig Wiseman How will global warming affect ENSO? Climate change is increasing the frequency of extreme El Niño events, leading to intensifying droughts, worsening floods, and shifting hurricane patterns, according to a new study published in the Proceedings of the National Academy of Sciences. Does MJO affect ENSO? There is evidence that the
Is the Principle of Original Horizontality a good indicator?
Earth scienceAsked by: Craig Wiseman What best describes the principle of original horizontality? The principle of original horizontality states that layers of sediment are originally deposited horizontally under the action of gravity. It is a relative dating technique. The principle is important to the analysis of folded and tilted strata. What is the meaning of original
What are the boundary conditions for Navier’s Equations of motion in seismic?
Earth scienceAsked by: Shawn Wade What is seismic wave equation? 3.1. Seismic wave equation. The 1D time-dependent seismic wave equation in an isotropic and homogeneous medium can be expressed by (Sheriff and Geldart, 1995):(24) ∂ 2 u ( x , t ) ∂ t 2 − V 2 ∂ 2 u ( x , t )
Water on Mars and Earth
Earth scienceAsked by: Shawn Wade The ice on Mars is a little bit different than on Earth. On Earth, usually the ice is just, you know, water ice. But on Mars, it’s actually water ice and CO2 ice mixed with each other. How much water is on Earth vs Mars? The Mars Odyssey neutron spectrometer observations