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Free research papers and essays on topics related to: geological survey

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  • Bermuda Triangle - 2,053 words
    ... s Taylor on Flight 19 when he was asked by the radio tower as to his position. His reply was We are not sure... We seem to be lost.., then a few minutes later We cannot be sure which way is west... everything is wrong... strange... we cannot be sure of any direction. Or could this simply be a disorientation in a man's own mind? Hard to say. Boom This is a theory proposed by the US Navy. The investigation centers on the possibility of electro-magnetic gravitational and atmospheric disturbances that might be possible for disintegrating craft. The Lost Patrol reported seeing a large ball of fire in the skies. Could 5 planes collide and then joined by a sixth? The investigation believes that ...
    Related: bermuda, bermuda triangle, triangle, gulf stream, atlantic ocean
  • Clean Air Act - 1,133 words
    Clean Air Act 1990, the federal Clean Air Act was passed to improve air quality in the United States. President Bush's proposed amendments to the Clean Air Act initially would have led to the introduction of alternative, non-petroleum fuels. The petroleum and oxygenate industries responded by offering a reformulated gasoline program as a substitute for most of the alternate fuel proposals. As a result, the amendments to the federal Clean Air Act adopted in 1990 required steps to achieve lower vehicle emissions, including programs to oxygenate and reformulate gasoline. Oxygenated gasoline is designed to increase the combustion efficiency of gasoline, thereby reducing carbon monoxide emissions ...
    Related: urban areas, issues surrounding, united states president, advisory, regulatory
  • Earthquakes - 1,171 words
    Earthquakes Earthquakes have plagued our lives for as long as people have inhabited the earth. These dangerous acts of the earth have been the cause of many deaths in the past century. So what can be done about these violent eruptions that take place nearly with out warning? Predicting an earthquake until now has almost been technologically impossible. With improvements in technology, lives have been saved and many more will. All that remains is to research what takes place before, during, and after an earthquake. This has been done for years to the point now that a successful earthquake prediction was made and was accurate. This paper will discuss a little about earthquakes in general and t ...
    Related: earthquakes, andreas fault, pacific ocean, earth's magnetic field, prediction
  • Geographic Information Systems - 1,636 words
    Geographic Information Systems Geographic information systems (GIS) technology can be used for scientific investigations, resource management, and development planning. For example, a GIS might allow emergency planners to easily calculate emergency response times and effected areas of the ocean during an oil spill based on the spills location. You may ask, what is GIS? In the strictest sense, a GIS is a computer system capable of assembling, storing, manipulating, and displaying geographically referenced information, i.e. data identified according to their locations. Practitioners also regard the total GIS as including operating personnel and the data that go into the system. A geographic in ...
    Related: computer system, geographic, information systems, oil spill, emergency response
  • Glacird - 848 words
    Glacird Topic 1 Glaciers 1.What is a Glacier? A glacier is a big moving mass of ice; it is formed in high mountains or high latitudes where the amount of snowfall is higher than the melting rate of snow. 2. How do glaciers differ from ice shelves, icebergs and sea ice? Glaciers are huge and they also have a granular structure. Glaciers change the shape and the land though theyre slow but significant movement. Ice shelves are floating masses of ice that are attached on at least one edge of the coast. Sea ice is seasonal ice during, during the summer there is less than in the winter. Icebergs are huge chucks of glaciers; they are also seasonal so they change with the climate. 3. How much glaci ...
    Related: extra credit, geological survey, carbon dioxide, colorado, edge
  • Mass Extinctions On The Earth - 589 words
    Mass Extinctions On The Earth Mass Extinctions on the Earth Intro: Sixty-five million years ago, some phenomenon triggered mass extinctions on the lands and in the oceans so profound that they define the geological boundary between the older Mesozoic Era, often called the Age of Reptiles, and the modern Cenozoic Era, the Age of Mammals. On a finer scale, the extinctions define the boundary between the Cretaceous (geological symbol, K), and Tertiary (T) periods. This mass extinction is usually referred to as the K-T extinctions. The dinosaurs became extinct during the K-T mass extinction. To examine how the K-T extinctions fit into a broader perspective, please see the The cause of the K-T ex ...
    Related: earth science, mass extinction, climate change, geological survey, enrichment
  • Meteor - 1,548 words
    Meteor Crater Early in the history of the solar system, when space was cluttered with the materials of its formation, the planets and their moons were heavily bombarded by meteorites. Some of the members of the solar system (Mars, Mercury and our moon, for example) still show the residuals of the primordial rain of iron and stone. On our dynamic planet earth, erosion by weather, water and ice and the continuous reshuffling of crustal plates have erased most of the evidence of that early cratering. The solar system, not yet completely clear of the cosmic debris which was left over at its birth, continued to rain small meteorites down upon the planets, and occasionally the earth is struck by a ...
    Related: meteor, different types, scientific community, volcanic rocks, solar
  • Midcontinent Earthquakes And Their Effect On Concrete Structures - 1,966 words
    Mid-Continent Earthquakes and Their Effect on Concrete Structures Disasters come in many shapes, sizes, and forms yet all are detrimental to people and structures of all types. The most terrifying of all disasters are natural disasters, the force of nature is rivaled by no man made disaster. One of the natural disasters that has terrorized as well as fascinated humans through out history is the earthquake. Most earthquakes are associated with areas such as Southern California or China, but the most detrimental aspect of disaster is the element of suprise. In this case areas such as Central North America and North Turkey have been visited by the violent shock of a mid-continent earthquake. Th ...
    Related: concrete, earthquakes, structures, north america, works cited
  • Mount St Helen - 659 words
    Mount St. Helen Mount St. Helen is a volcano located along the Cascade range which is a volcano chain stretching from Northern California to British Colombia. It now stands at a height of 8,364 feet above sea level. Mount St. Helen was on of the smaller eruptions of five major ones in Washington State. Its elevation before the eruption was 9,677 feet high. On March 29, 1980 after a period of one-hundred and twenty-three years of inactivity a earthquake under the volcano quaked, and seven days later a pheartic (steam) explosions began. As magma pushed up from beneath the earths surface, the north side of the mountain developed a bulge. Angle and slope-distance measurements indicating that the ...
    Related: helen, mount, united states geological, washington state, elevation
  • Mt Saint Helans - 1,414 words
    ... the shortest outburst and cause the most damage and destruction, Plinian eruptions that send out ash that covers hundreds of square miles are called ultra Plinian. There have been 19 Plinian eruptions in history. Plinian Eruptions The plume height is more that 25 km or more than 15.5 miles high. The Volcanic Explosivity Index rating is VEI 5 and the violence of eruption is categorized as Paroxysmal. The volume is 668,900 cubic miles. Plinian eruptions are named after Pliny the Elder who watched the Mount Vesuvius eruption in A.D. 79. Plinian eruptions are sometimes called Vesuvian eruptions. They blast out tons of materials in a blast that is the most powerful force on earth. The explosi ...
    Related: saint, geological survey, subduction zone, pacific northwest, science
  • Opening Alaskan Oil Fields - 513 words
    Opening Alaskan Oil Fields Opening the Alaskan Oil Fields is the Right Thing to Do Energy is precious to the American way of life. Without sufficient amounts of energy, Americans would not have the privileges and opportunities that transportation and electricity give them today. In order to possess a sufficient amount of energy, America needs a reliable and renewable source of energy. The oil that lies beneath the Alaskan Coast Plain would yield this amount. Since a domestic resource of energy would establish a safe and secure distribution of oil in America, many beleive that drilling in this area would be exceptionally promising. To ensure smart energy use in the United States, the governme ...
    Related: alaskan, last year, geological survey, national security, helpful
  • Place In Periodic Table - 1,300 words
    Place In Periodic Table Phosphorus (P), arsenic (As), antimony (Sb), and bismuth (Bi) form a group of four elements in Group 5A of the periodic table. They exhibit increasing metallic properties going down the group. Nitrogen (N), which heads the group, is a colorless, odorless, and tasteless gas. Phosphorus is a highly reactive nonmetal, arsenic and antimony are poisonous metalloids, and bismuth is a true metal. Because of the arrangement of the outer electrons in their atoms, each of these elements can form up to five chemical bonds with other elements or groups of elements. Arsenic has an atomic number 33, atomic mass is 74.9216, and it sublimes (passes directly into a vapor without melti ...
    Related: periodic, periodic table, lexicon publications, atomic number, industrialized
  • Residents In The Gujarat State Of Western India Spent The Night Outside Friday, Too Fearful To Go Back Into Their Damaged Ho - 1,512 words
    -- Residents in the Gujarat State of western India spent the night outside Friday, too fearful to go back into their damaged homes after India's most powerful earthquake in half a century. The 7.9 magnitude earthquake killed as many as 2,000, injured at least 2,000, and left 4,000 missing. Most of the missing are thought to be buried under rubble, and rescue workers dug frantically with bulldozers, shovels, sticks -- even bare hands -- trying to find them. The earthquake is a calamity of national magnitude, said Indian Prime Minister Atal Bihari Vajpayee, who planned a trip to the area to survey damage. We have decided to meet the emergency on a war footing, he said. This is the time for peo ...
    Related: fearful, india, india and pakistan, red cross, british government
  • Seismic Activity - 513 words
    Seismic Activity California has 200 or more faults capable of producing large earthquakes. Some of the faults are hidden and some visible at the surface. The biggest concentration of faults are in the San Adreas fault zone and the San Jacinto fault zone. Because of Californias large amount of Fault lines the United States Geological Survey, the California division of mines and Geology, the California Institute and other agencies have developed the Southern California Earthquake Center and TriNet Seismic network. This organization monitors the earthquake activity. The seismographs are linked to a computer using a mix of GPS and Landlines . The seismography records are sent to a computer withi ...
    Related: earthquake activity, seismic activity, data center, geological survey, parallel
  • The San Francisco 1989 Earthquake - 918 words
    The San Francisco 1989 Earthquake The Loma Prieta Earthquake On Tuesday October 17, 1989 at 5:04 PM the Loma Prieta earthquake struck the San Francisco, Monterey Bay, and Silicon Valley areas. Those were no the only areas affected. Many areas up to 70 and 100 miles away could feel the tremble of the quake. The epicenter of the quake was in the Santa Cruz Mountains. The quake measured a magnitude of 7.1. The initial quake lasted 15 seconds. The USGS first thought the magnitude of the quake would be about 6.9 but it increased to 7.1. The quake destroyed many buildings and freeways. A section of the San Francisco-Oakland Bay Bridge collapsed. The power was out in many places and the telephone l ...
    Related: earthquake, francisco, san francisco, district attorney, mr. gore
  • Zinc By Jason Gomez - 895 words
    ZINC by JASON GOMEZ Zinc is a chemical element with the symbol Zn. It is a low-melting metal that belongs to Group IIb (zinc group) of the periodic table. The atomic number of zinc is 30. With an atomic weight of 65.39, zinc makes up an average of 65 grams of every ton of Earth's crust, which makes it a little more abundant than copper. The melting point of zinc is 420 degrees Celsius and its boiling point is 907 degrees Celsius (Britannica Online). Zinc is the second most common trace metal, after iron, that is found naturally in the human body. It is also the third most used nonferrous metal (after aluminum and copper), of which the U.S. consumes more than one million metric tons annually ...
    Related: jason, zinc, geological survey, century china, quantity
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