O el ninola nina are periods of time where ocean

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o El Nino/La Nina are periods of time where ocean changes the temperature and changes weather around the globe o El Nino creates milder winters in No. Am., more winter storms along the west coast, increased flooding in the SE U.S., more ppt in the sw US, and fewer hurricanes in the Atlantic What is the “lake effect”? o Cold air passing east over the warm water of Lake Erie picks up moisture and deposits it on land as snow What are the general effects of El Nino in different regions of North America?
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What are the general effects of La Nina in different regions of North America? o Drought and forest fires in the sw US; more tornados in the Midwest; more hurricanes in the atlantic Describe/define: Mediterranean, Continental, Maritime, and Tropical climates. o Mediterranean: along western continental margins; cool, wet winters and warm, dry summers; associated with Chaparral (shrubby fire adapted vegetation) o Continental: interiors of large continents at mid=latitudes; wet summers, dry winters- precipitation is highly seasonal; associated with grasslands and temperate deciduous forests o Maritime: often on eastern edges on continents; precipitation is relatively evenly spread throughout the year but rain in the summer and snow in the winter o Tropical Rainforest: rainy throughout the year o Seasonal tropical deciduous forest: one rainy season and one dry season o Tropical Rainforest: two rainy seasons What evidence is there to suggest that Global Warming is occurring? o Atmospheric carbon dioxide levels, rising sea levels, average global temperatures, shrinking ice sheets and glaciers What are some of the predicted effects of Global Warming? o 2.5-10 degree rise in temperature; decreased snowpack; possible increase in precipitation but a decrease in available water; increased heat waves What are the main problems/uncertainties with predicting Global Warming? o Variation in solar irradiance; atmospheric dust, soot, smoke, etc; cloud cover Soil What is the definition of soil? o Mixture of mineral and organic materials that is capable of supporting plant life o A natural product formed from weathered rock by the action of climate and organisms What are the 4 basic components of soil? o Mineral particles, organic matter, water, and air How is soil texture determined? o Determined by the amount of sand, silt, or clay What is weathering? What two categories of weathering are there? What are some examples of each type?
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o Physical weathering: heating/cooling, ice expansion, erosion/deposition by wind and water; glacial erosion; plant root pressure o Chemical weathering: plant root and microbial exudates; CO2 and H20 forming H2Co3 (carbonic acid); water What is the “Soil Formation” equation?
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  • Spring '14
  • Plants, Photosynthesis, C4 photosynthesis, CAM Photosynthesis, C4 photosynthesis leaf, C3 photosynthesis leaf

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