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Methods Using the U.S. Geological Survey Earthshots Web site provided, navigate

ID: 298395 • Letter: M

Question

Methods Using the U.S. Geological Survey Earthshots Web site provided, navigate to the following links: http://earthshots.usgs.gov/tableofcontents Follow-up For each location Earthshot sted above, answer the following questions: What environmental change is being addressed? B1. What types of data are being collected to address this change? Las Vegas, Nevada Orlando, Florida Chernobyl, Ukraine Mount St. Helens, Washington Muskingum mines, Ohio Lake Chad, West Africa B2. How are remote sensing data being used to address or identify this change? Las Vegas, Nevada Orlando, Florida Chernobyl, Ukraine Mount St. Helens, Washington Muskingum mines, Ohio Lake Chad, West Africa

Explanation / Answer

B1)

Las vegas nevada- Urban growth and presence of mineral & population growth

Orlando florida- The physical growth of Orlando, especially to the east and south, is apparent in these images

Chernobyl, Ukraine- Effect on plant and wild life and agriculture

Mount st. helens- Images show the area around Mount St. Helens, in southwestern Washington, before and after its eruption of May 18, 1980.

Muskingum mine, Ohio- These images show shifting strip mines in eastern Ohio, from 1973 to 2013. Also land reclamation is shown in the image as well as forestation.

lake chad, West Africa- Prolonged drought and farming and water usage

B2)

Las vegas nevada- This makes golf courses easy to spot, and their development can be tracked along with the residential areas, spotting mines and salt deposits.

Orlando florida- Helps in building design an dother construction works by providing sink hole datas.

Chernobyl, Ukraine- It helps in predicting an explosion had happened in Chernobyl. The habitat change also can be monitored from this data.

Mount st. helens- How the forest got devastated and how much area got effected can be predicted from the images.

Muskingum mine, Ohio- Based on area of forestation and plantation can be determined from the images.

lake chad, West Africa- Why Lake chad is losing its beauty due to water usage and farming can be described from the images which inturn can be taken care to overcome the problem.

B3)

Las vegas nevada- Population growth

Orlando florida- Collapse of upper roof of deposits an dpopulation growth

Chernobyl, Ukraine- Nuclear accident on April 26, 1986

Mount st. helens- Eruption of May 18, 1980

Muskingum mine, Ohio- Climate change

lake chad, West Africa- Prolonge drought & increasing water usage

B4)

Las vegas nevada- Based on the remote sensing data the progression can be monitored.

Orlando florida- The conclusion was that a worlds high productive grade phosphate deposit is ther ein the south of Orlando

Chernobyl, Ukraine- The vegetation and habbitat for plant and animal change despite of high radiation and mutation is possible

Mount st. helens- The difference of about 1,300 feet in height of the mountain before and after the eruption was concluded.

Muskingum mine, Ohio- The restoration of plant by plantation and grassland

lake chad, West Africa- The area shrunk to 2000km2 today from 25000km2 in 1963.

*Sorry as per chegg policy we should answer only 4 questions if sub questions are there