lab 1 answer sheet

EAE 256/545 ANSWER SHEET FOR LAB E XERCISE 1 (G RADED , 20 POINTS ) Lab E XERCISE 1. I NTRODUCTION TO THE L AB , M AP E LEMENTS AND V ISUALIZING M AP F EATURE L AYERS PART I ANSWERS ONLY Write your answers here (in a different color and/or bold): 1. (4 points, ½ point each) A. What is the title of the map? i. Somonauk Quadrangle B. Who made (published) the map? i. United States geological survey C. What are the sources of data/information? Any updates or subsequent editions? i. North American datum of 1983 ii. World geodetic system of 1984 iii. 1000 meter grid: universal transverse Mercator D. What is the scale? i. 1:24000 E. When was the map made? i. 2012 F. What projection was used? i. UTM grid and 2012 magnetic north declination at center of sheet G. What are the two reference datums? i. NAD83 ii. WGS84 H. What symbology is described in the map legend? How are the symbols differentiated? i. Different types of roads with signs as well as their differentiated by line thickness and if their doubles or dashed as well as if their a certain color 2. (2 points) A. (1/2 point) With nearly complete transparency of the 1901 Chicago map, what do you notice when you compared the road networks between the two maps? What might account for what you observe (hint: see questions 1F and 1G)? i. Between the two maps, what I noticed the most was the density and rose between the 1901, and the 1988 map and this could be due to the projection lines used as well as the reference datum meeting that they were referencing data that was a little bit older, and another map was referencing you were data, which helped it add more lines which were the roads. B. (1 1/2 points) Find three differences in built environment-features between the two maps. The Chicago waterfront is a good place to start. List your answers below. i. Navy pier ii. Multiple marinas sticking out into the iii. the long skinny rectangular diagonal feature sticking out of the water across from navy pier 1

EAE 256/545 ANSWER SHEET FOR LAB E XERCISE 1 (G RADED , 20 POINTS ) PART II ANSWERS ONLY 1. (2 points) A. (1 point) What feature is being represented in this layer? a. The feature being represented is a vector which is the county lines B. (1 point) How is that feature represented (pixel, point, line, or polygon [area])? a. Its being represented by lines. 2. (2 point) A. (1 point) What feature is being represented in this layer? a. The feature being represented are property lines for farms B. (1 point) How is that feature represented (pixel, point, line, or polygon [area])? a. It’s being represented by lines 3. (2 points) A. (1/2 point) Click on several different animal operations (step 4) and then list two different types of CAFOs from the attribute balloons that pop up (look for the field labelled REG_ACTIVI [regulated activity]). a. Swine, wean to feeder. b. Swine, feeder to finish. B. (1/2 point) How well does each of the feature layers correspond spatially to the features they are supposed to represent in the Google Earth image? Speculate, briefly as to why there may be differences. a. I think that the feature layers showed wel the boundaries between counties with the lines, along with separating different farms/plots of land. Furthermore C. (1/2 point) Finally, enter street view by pulling down the little man in the upper right-hand corner and moving him to any road feature that highlights in blue and look around at the landscape. Eastern North Carolina has a long history of hurricanes. (See the accompanying Washington Post article (pdf) on Hurricane Matthew titled “Flooded North Carolina Farms”.) What is the risk to Duplin County’s environment and public health should a major hurricane hit this county? a. There is a lot of flat land that is open along with trees so if a hurricane were to hit the flooding would be quick spread along with trees falling could cause dangers to buildings, vars and roads. D. (1/2 point) Using screenshot or the snip tool, insert an image of your completed Duplin County CAFO map below and be sure to include a brief caption describing what your map image shows. Insert Images Here->>>>. Here is the map of Dublin County, shown are boundary lines for different farms/properties in blue with the county itself in purple. The yellow dots represents areas where farm animals are 2

EAE 256/545 ANSWER SHEET FOR LAB E XERCISE 1 (G RADED , 20 POINTS ) ii. This map shows an example of a reference map because it specifically highlights the different elevations and mountains as well as water ways b. Navigational i. link ii. This map is an example of a navigational map as it shows clear lines for boats across the lake as well as nautical directional line across the whole map a. Thematic i. link ii. This is an example of a thematic map because it specifically highlights the differences in populations of Florida by colors b. Propaganda i. link 4

EAE 256/545 ANSWER SHEET FOR LAB E XERCISE 1 (G RADED , 20 POINTS ) ii. This is a perfect example of a propaganda map because it makes the state of Texas larger than the rest of the states which makes the viewer think that Texas is a more important state and is better than all the rest Upload your answers and creations for this lab on Blackboard. 5