Wednesday, December 8, 2010

Lab 8: Census Data

Census Data Paragraphs and Maps
*Note: white spaces do not have any persons of the following categories living in that county.

Black Population
            The data of the Black population in the United States illustrates the continuing effects that history can have on a population.  It is overtly obvious that the higher concentrations of the Black Population can be found in the Southeast of the Continental United States.  This is due primarily to the legacy of slavery in the South, which home to large plantations where sometimes the ratio of Blacks to Whites was 10:1.   The highest concentrations are found in the region now known as Mississippi and Alabama, which was a big part of the Cotton Belt, and the region now known as Georgia, the Carolinas, and Virginia which was made of the coastal plantations including peaches, indigo, rice, and tobacco.  After slavery ended, many former slaves lacked the financial and educational means to leave the South, staying on as sharecroppers living in a state of economic slavery that continues to this day in some areas.  However, some areas, including Georgia, North Carolina, and Virginia, became financial and business centers, resulting in a growing affluent class of African Americans around Atlanta, Raleigh, and Richmond.  As the South has become a magnet for new industries and new business locations, the economic advantage moves to the South after being economically devastated for years following the Civil War.  Outside of the South, moderate concentrations can be explained by the migration patterns of the early 20th century.  Many African Americans migrated to the Midwest to find work in the automobile factories explaining high concentrations in Chicago and Detroit.  Similarly, there were migrations made to the Eastern cities, i.e. Boston, New York, and Philadelphia, in search of jobs when the Northern factories were putting much of America to work.  West of Texas, concentrations of Black population exist in the San Francisco Bay Area, mostly around Oakland and Richmond, the Greater Los Angeles Area, ranging from Compton and Watts to Baldwin Hills, and the Seattle and Las Vegas metropolitan areas.  Regrettably, the West Coast, along with Alaska and Hawaii, has very low concentrations of African Americans due to the propensity of most to remain on the Eastern Seaboard.  For many, to make the move and transition to these new areas is not worth it as it will take them away from their families and often neighborhoods that their family has lived in for generations.  However, for the few willing to make the journey, California can become their place in the sun, as it has been for parts of my family.



Asian Population
             The data of Asian population demonstrates immigration trends of foreign born population as well as how distance can impact migration.  In the US, the highest concentrations of Asian populations are found along the Pacific coast, including Alaska, Hawaii, and the West Coast.  The higher concentrations found in Alaska and Hawaii can be explained by the proximity of each to Asia.  Both states are further west than the continental United States, making immigration by Asian populations much easier.  Hawaii has significant Asian populations for three reasons: one, it is located in the middle of the Pacific, two, it has the closest climate to that of the western Pacific, and three, many Asian workers were brought to the islands to work on the fruit and sugarcane plantations in the 19th century, including Chinese, Japanese, and Koreans.  For the western continental United States, many different Asian populations immigrated for different reasons.  Many Chinese workers came over in the mid-19th century to blast through the Sierra Nevada’s to build the transcontinental railroad.  Filipinos immigrated when the Philippines became US territory following the Spanish American War and were able to purchase land.  The laborers who came to Hawaii to work on the plantations were able to immigrate to the mainland through Angel Island outside of San Francisco, a counterpoint to Ellis Island off of New York.  Currently, the highest concentrations can be found in California and the Pacific Northwest with many of the families immigrated through the Angel Island checkpoint.  Outside of the West Coast, Asian immigrants can be found in major US cities, which is the reason why all of these cities have Chinatowns, Japan towns, and little Koreas.  Asian populations are growing in Texas and the Midwest with the growth of technical industries in those areas.  Asian is a steadily growing demographic with extremely diverse national and ethnic groups wielding increasing influence in the political and economic scene in the US.





Some Other Race Population
             Checking with the US Census categorizations, some other race includes the label “multiracial, mixed, interracial, or a Hispanic/Latino group.”  The Hispanic/Latino population is the fastest growing minority group in the US.  This group is heavily concentrated in the Southwest along the US/ México border from California to Texas, with pockets found in the East Coast and Midwest cities and the southern part of Florida.  The American Southwest formerly belonged to Spain until Mexico declared (1810) and won (1821) its independence as a nation.  The area was sparsely populated by Mexican settlers and Native Americans.  To encourage settlement in the territory of Texas, the Mexican government invited US citizens with enticing homesteads and a promise to become Mexican citizens.  However, by the 1830s the American citizens living in Texas decided to declare their independence.  Following their disastrous defeat at the Alamo, the retreating Texans used a scorched earth policy that badly weakened the Mexican army.  By the time a heavily outnumbered Texas force attacked, the army was on the edge of its endurance and was slaughtered, effectively leading to victory for Texans.  The issue of tExas wouldn’t be settle until after the US annexed the republic and went to war with Mexico over the disputed territory.  At the end of the Mexican-American War, Mexico was forced to cede all territory north of the Rio Grande, including the present-day states of Texas, New México, Arizona, California, Nevada, and Utah.  For many Mexican citizens living in these areas, the border moved from underneath them.  Some were granted US citizenship, but several retreated back to México.  Many Mexicans still regard the territory as Mexican land that was stolen and Mexican Americans currently represent the largest Latino group in the US.  The American Southwest has a high concentration of Latino immigrants as it lies along the northern Mexico border, making it easy to enter the US.  Many Mexican and Central Americans immigrated following economic disasters and the rise of military dictatorships in their native countries in the 1970s and 1980s.  Florida significant Latino concentrations can be explained by the state’s proximity to the Caribbean and specifically Cuba.  Following the Communist Revolution in 1959, many Cubans traveled across the Caribbean by boat to land in Florida, resulting in a large Cuban population in southern Florida.  In the Northeast including cities like New York and Philadelphia, the primary Hispanic group tends to be Puerto Ricans.  Puerto Ricans are unique among Hispanic migrant groups in that they already have US citizens, since Puerto Rico is a US commonwealth.  Latin communities continue to grow in the US, so as the population begins to spread out beyond its traditional neighborhoods to areas like the Pacific Northwest, the Midwest, and the Mid-Atlantic around the Capitol.  Since the Latino population is the fastest growing minority, their demographics will only increase reshaping the makeup of the American population.  






Summary Paragraph on Census
               When compiling the Census map data of the different racial groups of the United States, I was struck by the patterns that emerged.  Having studied American history, I noticed that population clusters seemed to be consistent with the historical events of each group.  I wanted to demonstrate that history can have a profound effect on where you live and the community in which you live in.  If you know that Asian immigrants were brought to Hawaii to work on the fruit and sugar plantations, then the relatively high percentage of Asians on the islands makes sense.  Similarly, knowing that slavery was the dominate economic system in the South explains the high concentration of African Americans in the South, which is some of the highest concentrations of any minority group in America.  Another thing I wanted to include Hawaii and Alaska to see if any of the minority groups have made significant inroads into these states.  Often in our minds we see Hawaii full of Pacific Islanders while Alaska is viewed as primarily White with Eskimos, or Native Americans.  Having the three maps gives a better picture of each group and demonstrates that immigration destinations are often determined by proximity to location of origin.  The 2000 Census shows that minority groups are growing across the country.  This gives credence to the theory that by 2050 fifty percent of the American population will be from minority groups.   One group that I didn’t really touch on was those of mixed race or multiracial.  As the minority groups continue to grow, so will the multiracial population, forcing the US to reevaluate the racial categories currently used to classify people.  The numbers of this population is hard to quantify as some people identify with one identity or the category is not listed as an option.  The identification issue is especially prevalent in the South as children of mixed heritage where often denoted Colored or Negro in official government records.  It is then difficult to get those people to change their status as they have lived their entire life as a Colored person facing discrimination, or have hidden their African or Hispanic blood and passed as White.  The nation needs to move to a multi-ethnic view instead of having hard and fast racial categories as the population is shifting to multiracial people who need acknowledgement that they are neither one thing or another but both.

Summary Paragraph on GIS

                 Having completed this course on Geographic Information Systems, I can say that I walked away with a marketable and useful skill.  Being able to use a computer program to make maps with different levels of data is a challenging but rewarding skill.  As an Electrical Engineering student, I found very useful to learn a program that is in use by many different government agencies, utilities, and companies.  This skill would allow me to design massive programs, like power grids and cell phone tower locations, over a great area with all of the geographic and human features at my fingertips.  I found that this would be something useful for other engineering students to learn, especially the Civil and Geotechnical Engineers.  Most of the Departments of Transportation use this program and would appreciate having more trained people able to use it in the midst of their projects.  I spoke with a Senior Civil Engineering student at UCLA who felt that this class would have been a more useful class to take as a GE than some other classes offered and would have liked to have known of its existence.  The many applications of GIS from Census data to wildlife emergency tracking to disease tracking make it a very versatile program.  Even if I don’t use this program in the immediate future, knowledge of it will benefit me when I become a part of big engineering projects.   

Tuesday, November 23, 2010

Lab 7: Mapping the Station Fire in ArcGIS

Station Fire Report


For this week, we were asked to look at the Station Fire that raged through Los Angeles County from August to October 2009.  The fire became the 10th largest fire in California history dating back to 1933.  The Station Fire was the largest in LA County history burning approximately 250 square miles in the San Gabriel Mountains and destroying 209 structures, including 89 homes.  While this fire was the most destructive fire of 2009, it wasn’t as deadly as it could have been with only two deaths reported.  The main reason that this fire wasn’t as deadly as it could have been is that fire occurred in the Angeles National Forest, which is sparsely populated, especially in comparison with the rest of the county.  This may not be so for future fires as human settlement continues to extend into wilderness territory.  Lives will be at risk as areas on the edge of a forest will not have a buffer to protect from wildfires.
The initial blaze broke out near a ranger station in the Angeles National Forest close to the Angeles Crest Highway on August 26, 2009.  The blaze then spread quickly over the next two days, growing from around 1,000 acres to approximately 36,000 acres.  By the third day the fire now burned over 100,000 acres total.  There is some controversy over the Forest Service’s response, as critics ask why the blaze wasn’t contained in the first 48 hours when it was more manageable.  Nevertheless, the fire spread over the Angeles National Forest eventually pushing toward human settlements in Glendale, Action, Altadena, Littlerock, etc, and eventually threatening neighborhoods in Los Angeles.  The fire would be 90 percent contain by the fourth week of September and on October 16th the fire would be 100 percent contained.  By that time the fire had burned over 150,000 acres in Los Angeles County.  Luckily the area was a wildland area and thus not heavily populated.  However, as the metropolitan area continues to spread out from Los Angeles, settlements will begin to encroach on wildland areas.
The danger of wildfires to homes increases as settlement move toward more rural and wildlife areas.  The settlements located on the edge of wildland areas are known as the wildland-urban interface (WUI), where the nature environment and human activity meet.  Many homes around the country are located in WUI and aren’t automatically prone to fire danger.  It is the unique environment and climate of southern California that make these areas fire-prone.  Southern California typically has low rainfall over the course of the year and most years the area is in the middle of the drought.  This means the vegetation is very dry and highly susceptible to fire.  At the same time the dry vegetation builds up as brush as the vegetation dies and lays scattered.  The brush serves as a fast burning fuel for any wildfire that starts in the area.  The metropolitan population expanding into the wildland area will be vulnerable to the seasonal wildfires that occur in Southern California.
The dilemma between the expansion of human settlement into wildfire prone areas is a difficult problem to resolve.  As the population of Los Angeles continues to increase more land area will be needed to accommodate the growing population.  The residents who would want to be furthest from the city will move into WUI areas.  However, these areas have a high risk of fire emergencies and a low number of emergency responders per area.  At the same time, areas that were previously WUI will become full-fledged suburban areas, at the same time they are still a part of the fire zone where wildfires could expand.  The greater number of people in these areas will require increased monitoring of forests for wildfires as well as quick and efficient emergency response.  The LA County government officials will be responsible for implementing these changes to prevent large fire disasters in populated areas.
The Station Fire of LA County in 2009 is an important lesson for state, county, and local officials.  While being one of the largest fires in state history, it had low property damage and only two fatalities.   It can be seen as preparation for the next big fire in LA County where more people will be at risk as development continues.  Understanding the risk posed to settlements in WUI areas, the officials can create plans now to protect the most vulnerable in the next fire emergency and have a faster response.  This way when the next wildfire hits LA County, heavily populated areas will not be vulnerable to evacuation and destruction.

Station Fire References


·         Bloomekatz, Ari B. “Station fire is largest in L.A. County’s modern history” Los Angeles Times, 11/02/2009
http://latimesblogs.latimes.com/lanow/2009/09/station-fire-is-largest-in-la-county-history.html
·         Cortner, Hanna J., Philip D. Gardner, and Jonathan G. Taylor. “Fire Hazards at the Urban-Wildland Interface: What the Public Expects.” Environmental Management, Vol. 14, pp. 57-62.
http://www.springerlink.com/content/m044577557l323g3/fulltext.pdf
·         Hammer, R.B., S.I. Stewart, J.S. Fried, S.S. Holcomb, and J.F. McKeefry. “Wildland-Urban Interface in the United States.” Ecological Applications. Vol. 15(2005): 799-805.
http://www.wildfirelessons.net/documents/The_WUI_in_the_US.pdf
·         Pringle, Paul “Cost concerns weakened Forest Service’s assault on Station fire, study says” Los Angeles Times, 10/11/2010
http://www.latimes.com/news/local/la-me-station-fire-20101011,0,6110902.story
·         “State of the Climate: Wildfires for January 2010,” NOAA National Climatic Data Center, published online Feb. 2010
http://www.ncdc.noaa.gov/sotc/?report=fire&year=2009&month=13
·         “Station Fire Final Update Sept. 28, 2009”, InciWeb: Incident Information System, 09/28/2009
http://www.inciweb.org/incident/1856/
·          “Station Fire Initial Attach Review,” Fire and Aviation Management, United States Department of Agriculture: Forest Service, 11/13/2009
http://www.fs.fed.us/news/2009/releases/11/station-report-11-13-2009.pdf

Station Fire Maps:
Temporal Progression of Station Fire of 2009


Close Up of Temporal Progression of Station Fire of 2009


Map of Major Roadways Contrasting with LA County Parks - Demonstrating WUI

Monday, November 15, 2010

Lab 6: Digital Elevation Models in GIS

DEM

The Digital Elevation Model Area I selected was the San Francisco Bay Area.  I chose the SF Bay Area for two reasons: first, it is where I’m from so I wanted to see it from a different perspective, and second, I thought it would be a more visually interesting map to see the landmass surrounded by water.  The model shows that the Bay Area is made of elevated land littered with hills all around the water.  At the same time some areas are below sea level as evidenced by this map and indicates remarkable engineering to keep the water level back from these areas.  The geographic coordinate system used to build this model is the North American 1983 datum.  The extent of the area from north to south is 38.1022 to 37.5158 decimal degrees.  The extent of the area is west to east is -122.5416 to -122.1205 decimal degrees.  







Tuesday, November 9, 2010

Lab 5: Projections in ArcGIS

Map Projections
Distance Between Washington D.C. and Kabul
GCS WGS 1984: 6,944.09 miles

Significance, Perils, and Potential of Map Projections
The world is a three-dimensional sphere-like object spinning through space.  In order for humans to represent it in a useful form, we translate it to a two-dimensional projection on paper or a computer screen.  The problem with this translation is that some information will unfortunately be lost in the process.  Most map projections can preserve one or two properties such as the angles of the lines of longitude and latitude, the distance between places on the map along a parallel, or the area of each location.  When preserving one property, another will be distorted.  Another problem is that the larger the area covered on the map the greater the distortion.  The distortion is negligible when the effect of the curvature of the Earth isn’t felt on the area covered.  In order to decide which projections to use, a map reader needs to decide which properties are important for the maps use.  In this lab we looked at two versions of the three categories of projection: conformal, equidistant, and equal area to compare the distance between two cities, Washington D.C. and Kabul.

Looking at the conformal projection of the world, I used the Mercator and Gall Stereographic projections.  Conformal projections preserve the angles of the globe at the expense of the area and distance between locations.  The Mercator map is generated from a cylindrical projection giving it a rectangular shape.  The rectangular shape is the map shape we are most familiar with and so makes it the easiest to use.  However, the Mercator projection has two problems is it heavily distorts the area, making Antarctica appear larger than the rest of the continents combined, and it distorts the distance between the two cities with the measured distance approximately four thousand miles longer than the actual measured distance.  At the same time, the Gall Stereographic has a rectangular shape.  Conversely this projection doesn’t distort distance as much as the difference between the actual distance and the projection distance is less than two hundred miles.  The conformal projection is most useful in directionality and navigation as the angles between the longitudinal lines.  However, the distance between the different points could vary greatly so you would need another map to check the actual distances between locations.

Equidistant maps are projections that preserve the distance between locations on the globe.  For the exercise I used the Equidistant Conic and the Aitoff Projection.  The Conic projection takes the shape of a cone projection with the southernmost area of the globe heavily distorted around the edges.  However, this map does a great job of preserving the distances of points north of the equator close to the North Pole.  The Aitoff projection presents an ellipsoid with heavy distortion near the poles away from the equator.  Conversely there isn’t a lot of distortion of area on the map as the northern and southern poles taper in to a point.  For this reason the distance between the two cities is much distorted in comparison to the conic projection.  Depending on whether you were looking at the Northern Hemisphere or the equator, you would use either the Conic or Aitoff map.  However, if you were looking for a map that doesn’t distort area much, you would use the Aitoff map.

A big problem with most map projections is that they distort area, especially on world maps.  Many maps oversize Antarctica or distort the size of Greenland heavily.  In this exercise I looked at the Mollweide and Bonne projections.  The Mollweide projection has an elliptical shape that preserves the area of continents around the globe, but does not preserve the distance between points away from the equator.  The Bonne projection has a heart like shape that preserves the area of the continents while the distance between the cities is well preserved.  In this case the distance is preserved as the point in which the projection was based off of is the North Pole, keeping the distortion of Northern Hemisphere locations to a minimum.  However, this projection is an unusual shape for a map that makes getting information from it difficult.  At the same time, the projection has intense curvature and the appearance of discontinuities between the heart edges of the map. 

Looking at the different available projections that can made of the world, you can see the power of GIS at work.  You can take the same data and filter it through different projections in order to analyze different properties.  Each projection has its own positives and negatives and requires the map maker to decide which properties to prioritize and which to allow distortion.  Each projection changes the way in which we can see the world, which can allow for misleading information to be presented as fact.  It is important when making a map to clarify the distortions so that incorrect information will not be taken as fact.  At the same time, map projections allow us to take the complexity of our three-dimensional world and break it down into a form that is easiest for us to process.





Tuesday, November 2, 2010

Lab 4: ArcGIS

Airport Expansion


*For some reason my graph would not export in color, even though it displays in color on ArcMap



Potentials and Pitfalls of GIS

Starting out using ArcGIS, I was surprised at how familiar the program felt.  While it is a completely new and different program than I was accustomed to using, I found it to be laid out in a familiar manner to many other applications and/or programs found on Windows.  Many of the first few features I tried out had visual components making it that much easier to use.  Thinking about it, ArcGIS is setup in a manner similar to Paint which is found on all Windows machines.  This kept things intuitive when I just started out with the program.  The familiarity made it that much easier when the program branched off into its specialized features to follow what to do. 
                This software program has great potential to visualize different data collected and convey information.  It has an amazing amount of versatility in the kind of information you can present about one location.  A user is able to take a map of a local area (i.e. near the airport) and locate the schools, plot out a noise contour of the area, show what land parcels are residential, or plot the population density of the area.  This is just a small taste of the capability of this software.  This software gives more precision to map making to clearly define borders and landmarks.  The best feature of this software is that you can take a base map of an area and create many different maps of the area corresponding data without having to reenter the information of that map.    
Conversely, the software has some issues that can make it difficult to use.  Data migration and storage is somewhat complicated; you have to use a different element of the program to load your data storage.  Another issue is that running statistics on a given geographic layer map or combining geographic layer elements into a new layer map can be quite involved and challenging.  I found manipulating the existing maps to be fairly simple, but manipulating the data of the layers required some work and understanding of the product and how it can combine and merge data.  Another issue came about when transforming data from a table to a graph and then adding into a map.  While some of it was intuitive if you have used a Spreadsheet program like Microsoft Excel, it is not as straight forward a process when moving from a stand-alone graph to layering it into the map.  The most glaring issue I found was learning how the data sets are stored and to be used when compiled together for creating a new map or data frame.  Not comprehending how I could use each data set was frustrating because I felt I was learning through trial and error.  However, I would recommend this software for analyzing geographic data and creating visuals.
Overall, I was impressed with the ease of use of the ArcGIS software.   The learning curve of the program slowed me down, but once I got over that, I found it to be a very effective program.  For someone new learning to use the program, as long as he/she have seen a Spreadsheet program and worked with a Paint-like program, he/she can figure out how to work this software.  When completing the tutorial I starting thinking of the additional plots and maps I could make analyzing this airport expansion issue.  As a person uses this program, he/she will be able to better understand the patterns in the collected data and begin to make hypotheses about a given geographic region.  The best part of GIS is that once you make a hypothesis and collect the data, you can quickly determine the validity of your theory and find what information needs to be collected next to get a better understanding of the situation.

Sunday, October 17, 2010

Lab 3: Neogeography


View Engineering Conferences & Conventions in a larger map

Geog 7 Lab 3

Travels of an Engineering Student

    Given the chance to make a personalized map, I wanted to look back at the travels I have made as a UCLA engineering student around the country.  Joining the National Society of Black Engineers (NSBE) and Society of Hispanic Professional Engineers (SHPE) has given me the chance to meet Engineering students and Professionals from around the country.  Each engineering organization is broken down into geographic regions to organize the membership and chapters around the country.  For the National Conventions, a different region hosts the event every year so that each region gets to enjoy a local convention.  Luckily for me, two of the past National Conventions have been held in my region for each organization: Region 2 (SHPE) SHPE Regional Map in Phoenix and Region 6 (NSBE) NSBE Regional Map in Las Vegas.  Thanks to these two organizations, I've been able to see parts of the country I otherwise wouldn't have been able to see.  I was even to travel international to Canada, which was especially fun, because I got to travel with so many of my friends from school, reconnect with people I've met from around the country, as well as meet new people from around the organization.  This travel has given me a chance to expand my horizons and my personal network.

Pitfalls, Potential, & Consequences of Neogeography

    As I have been given a chance to explore Google Maps in this week's lab, I have been able to see what people will map when they have the opportunity to do so.  The biggest issue I've found with Neogeography is trying to track down where people are getting their information and its validity.  People can create personal maps or maps on politics, pop culture, or international conflicts; how accurate is that information is the question we need to be asking ourselves.  At the same time the issue of who owns the information that is being used is a conflict that will reappear again and again with this new technology.  However, at the same time the fact that the average citizen with access to computer can create a map of anything and everything can be used to open up areas that have been traditionally closed off to populations, humanitarian groups, and governments.  At the same time, anyone can edit the geographic information in real time, which means that geographic information can constantly be updated and verified, unlike like decades previous where a team of geographers would make a map of an area and it wouldn't be officially updated until the next geographic survey.  The possibilities of neogeography far outweigh its issues.  It is making the population more spatially aware that any thing happens somewhere. It is in turn our responsibility as neogeographers to make sure the geographic information is as accurate as we can possibly make it, because this new technology is not going away. 


Photos for Lab 3:



Note: here are the citations for each photo as well as the links. Each photo is a personal one that is currently posted online within the Facebook network with varying degrees of accessibility.


NSBE Fall Regional Conference 2007 Seattle - Facebook
http://sphotos.ak.fbcdn.net/photos-ak-sf2p/v161/207/0/584165329/n584165329_687230_1620.jpg

SHPE National's 2008 Phoenix - Facebook
http://sphotos.ak.fbcdn.net/photos-ak-ash1/v652/180/10/2538828/n2538828_43701628_2375.jpg

NSBE National's 2009 Las vegas - Facebook
http://sphotos.ak.fbcdn.net/photos-ak-snc1/v3329/207/0/584165329/n584165329_2895920_5374015.jpg

NSBE Region VI Summer Camping Conference 2009 - Facebook
http://sphotos.ak.fbcdn.net/hphotos-ak-snc1/hs150.snc1/5580_134716355085_119786480085_3735458_7323698_n.jpg

SHPE National's 2009 Washington D.C. - Facebook
http://sphotos.ak.fbcdn.net/hphotos-ak-snc3/hs071.snc3/13840_333974730713_688200713_9851644_2224002_n.jpg

NSBE National's 2010 Toronto - Facebook
http://sphotos.ak.fbcdn.net/hphotos-ak-snc3/hs085.snc3/15330_394753490880_635615880_4311611_4126116_n.jpg

NSBE Regional Leadership Conference 2010 San Diego - Facebook
http://sphotos.ak.fbcdn.net/hphotos-ak-snc4/hs422.snc4/46536_435798890880_635615880_5387439_5975502_n.jpg

NSBE Region VI Fall Regional Conference 2010 - Facebook
http://sphotos.ak.fbcdn.net/hphotos-ak-snc4/hs244.snc4/39558_453353150880_635615880_5748520_3109499_n.jpg


Videos for Lab 3:

Note: here are the citations for each video as well as the links in case there are any issues with the presentation, which was found early in the creation of this lab.

YouTube - NSBE Region VI - http://www.youtube.com/user/NSBERegionVI

Fall Regional Conference Long Beach 2009 Promo


YouTube - NSBETV Channel - http://www.youtube.com/user/NSBETV

Las Vegas Promo


YouTube - NSBETV Channel - http://www.youtube.com/user/NSBETV

Toronto Promo

Tuesday, October 12, 2010

Lab 2: USGS Topographical Maps

Geog 7: Lab #2 USGS Topographic maps

Here are my answers for the questions to the 7.5 minute map:

1. What is the name of the quadrangle?
Beverly Hills Quadrangle

2. What are the names of the adjacent quadrangles?
Adjacent quadrangles starting from due north and going clockwise: Van Nuys, Burbank, Hollywood, Inglewood, Venice, (Open Ocean), Topanga, Canoga Park.

3. When was the quadrangle first created?
The topography was compiled in 1966.

4. What datum was used to create your map?
North American 1927 (NAD 27) was used to create the map & North American 1983 (NAD 83) is shown in dashed lines.

5. What is the scale of the map?
1 : 24 000

6. At the above scale, answer the following:
a) 5 centimeters on the map is equivalent to how many meters on the ground?
5 cm <=> 1200 m

b) 5 inches on the map is equivalent to how many miles on the ground?
5 in <=> 1.894 miles

c) one mile on the ground is equivalent to how many inches on the map?
1 mile <=> 2.64 in

d) three kilometers on the ground is equivalent to how many centimeters on the map?
3 km <=> 12.5 cm

7. What is the contour interval on your map?
Contour interval is 20 ft

8. What are the approximate geographic coordinates in both degrees/minutes/seconds and decimal degrees of:
a) the Public Affairs Building;
DMS: LAT   34° 4' 26.6"     LONG -118° 26' 21"
DD:    LAT 34.07405          LONG -118.43921

b) the tip of Santa Monica pier;
DMS: LAT 34° 0' 27"        LONG -118° 29' 59.7"
DD:    LAT 34.00750        LONG -118.49993

c) the Upper Franklin Canyon Reservoir;
DMS: LAT 34° 6' 11.9"     LONG -118° 24' 48.7"
DD:    LAT 34.10331        LONG -118.41353

9. What is the approximate elevation in both feet and meters of:
a) Greystone Mansion (in Greystone Park);
580 ft or 176.8 m


b) Woodlawn Cemetery;
140 ft or 42.7 m



c) Crestwood Hills Park;
680 ft or 207.3 m


10. What is the UTM zone of the map?
The Universal Transverse Mercator zone of the map is zone 11.

11. What are the UTM coordinates for the lower left corner of your map?
Approximately 361,470 mE by 3,762,970 mN


12. How many square meters are contained within each cell (square) of the UTM gridlines?
Approximately 1,008,560 meters ^ 2


13. Obtain elevation measurements, from west to east along the UTM northing 3771000, where the eastings of the UTM grid intersect the northing. Create an elevation profile using these measurements in Excel (hint: create a line chart). Figure out how to label the elevation values to the two measurements on campus. Insert your elevation profile as a graphic in your blog.
Elevation Profile along UTM northing 3771000:
 





















14. What is the magnetic declination of the map?
The magnetic declination is 14º East.

15. In which direction does water flow in the intermittent stream between the 405 freeway and Stone Canyon Reservoir?
North to South

16. Crop out (i.e., cut and paste) UCLA from the map and include it as a graphic on your blog.
Cropped UCLA from Beverly Hills Quadrangle