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The growth of new desert in areas where drought prevents regrowth of vegetation |
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the gradual migration of sand or gravel from waves carrying sediment |
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Warm sea water over 77 degrees, sub tropic zones |
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divides hurricanes into 5 windspeeds |
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Satellites, Aircraft's collecting data |
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Natural barrriers against hurricanes |
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How are Nor'easters different from hurricanes? |
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no eye, moves in a north direction, counter clockwise rotation, cold core systems that don't lose energy with height |
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Hazards associated with hurricanes Surge |
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How do thunderstorms form? |
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when warm air rises into cold, causing condesation/ rainfall |
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wind measurements,and record of damages |
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Warm ocean temp coming from the pacific ocean |
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caves, arches, and stacks |
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What is the Milankovitch cycle? |
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cycle of sun's engery calculated from variations in earth orbit around the sun, measured in tens of thousands of years |
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Why are glaciers good indicators of climate change? |
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they trap Co2 and other gasses |
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What are the various components of the climate system? |
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radiation, conduction, convection |
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Topography and fire spreading |
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fires spread faster in canyons, wind direction can effect the strength of fires. Fires spread fast up-slope, slower down slope. |
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A mass of ice and some rock traveling at high velocity in the gravitational field of the sun, but traveling outside our system before going through it |
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a Clunk of rock orbiting the sun |
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65 million years, between the Cretaceous and tertiary time period |
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ladder fuels and crown fires |
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Crown: fire at the top/top of tree's canopy Ladder:fire at the bottom, brushes and branches |
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Brushes, trees, homes, burnable material |
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Is weather a good indicator of climate change? Why or why not? |
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man made concrete structures to prevent coastal erosion or beach erosion |
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idal flats are intertidal, non-vegetated, soft sediment habitats, found between mean high-water and mean low-water spring tide datums |
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the solar tide has an additive effect on the lunar tide, creating extra-high high tides, and very low, low tides — both commonly called spring tides |
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the solar tide partially cancels out the lunar tide and produces moderate tides known as neap tide |
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How does the ocean influence climate? |
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ocean circulates warm and cool water, disruption due to melting sea ice and glacier could slow or stop...could lead to cooling of the northern hemisphere |
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What is the greenhouse effect? |
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Earths atmosphere traps heat/ gas Co2 and methane, prevents it from escaping |
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a short lives surface current, carries water that had piled on the beach back into the sea. |
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near shore coastal parallel island made by a build up of sand, caused by wave action, and wind blown sand dunes. |
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