By CK-12 Foundation
CK-12 Foundation's Earth technological know-how for heart tuition FlexBook covers the subsequent chapters: what's Earth Science?-scientific technique, branches of Earth Science.Studying Earth's Surface-landforms, map projections, computers/satellites.Earth's Minerals-formation, use, identification.Rocks-rock cycle, igneous, sedimentary, metamorphic.Earth's Energy-available nonrenewable/renewable resources.Plate Tectonics- Earth's inside, continental float, seafloor spreading, plate tectonics.Earthquakes-causes/prediction, seismic waves, tsunami.Volcanoes-formation, magma, eruptions, landforms.Weathering and Formation of Soil-soil horizons, weather similar soils.Erosion and Deposition-water, wind, gravity.Evidence approximately Earth's Past-fossilization, relative age dating/absolute age dating.Earth’s History-geologic time scale, improvement, evolution of life.Earth's clean Water-water cycle, different types of clean water.Earth's Oceans-formation, composition, waves, tides, seafloor, ocean life.Earth's Atmosphere-properties, importance, layers, strength move, air movement.Weather-factors, cloud forms, air plenty, storms, climate forecasting.Climate-Earth's floor, international climates, causes/impacts of change.Ecosystems and Human Populations-ecosystems, matter/energy move, carbon cycle, human inhabitants growth.Human activities and the Land-soil erosion, dangerous materials.Human activities and Earth's Resources-renewable/nonrenewable assets, availability/conservation.MS Human activities and Earth's Water-use, distribution, pollutants, protection.Human activities and the Atmosphere-air toxins, explanations, results, reduction.Observing and Exploring Space-electromagnetic radiation, telescopes, exploration.Earth, Moon, and Sun-properties/motions, tides/eclipses, sun activity.The sunlight System-planets, formation, dwarf planets, meteors, asteroids, comets.Stars, Galaxies, and the Universe-constellations, light/energy, type, evolution, groupings, galaxies, darkish subject, darkish power, the massive Bang Theory.Earth technological know-how word list.
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As long as it remains over sufficiently warm water, and unless shearing upper level winds do not cause it to weaken, the hurricane always has a chance to grow. If the conditions are right, a weak hurricane can develop explosively into a real monster in 24 to 48 hours. Hurricane Katrina did this over exceptionally warm Gulf of Mexico waters in August of 2005, blossoming from an 85 mph Category 1 into a 165 mph Category 5 monster in 48 hours. Fortunately for those impacted along the north Gulf Coast, it had weakened to a 125 mph Category 3 by the time it came ashore, or the damage (bad enough as it was), could have been a lot worse.
Nevertheless they were quick to blame the forecasters for not providing adequate warning. Most hurricanes will have a strong hurricane-force wind field that extends many miles on both sides of its actual track. Some of these dangerous wind fields may be only 25 miles wide, while others are more than 100 miles. Hurricane Wilma in October 2005, for example, was a real monster; it came ashore in southwest Florida near Everglades City as a Category 3 and crossed the state on a northeast heading. It was so large that hurricane force winds were experienced over a swath almost 200 miles wide that crossed the entire peninsula from southwest to northeast.
Statistically, El Niño years produce fewer hurricanes in the Atlantic, but at the same time they cause more hurricanes in the eastern Pacific off Mexico through increased sea surface temperatures. On the other hand, those same statistics also reveal that during La Niña years (cooler than normal equatorial surface water in the Pacific), there are more hurricanes in the Atlantic and fewer in the eastern Pacific. The El Niño/La Niña patterns reverse themselves roughly every six or seven years, with some neutral years in between.