Interactive Map With Latitude And Longitude Lines – You are here: Introduction 1 / OOI Lab Exercise 2 / Lab 1 – Collecting Oceanographic Data 3 / Lab 1.3

Materials Needed: Printouts of the world oceanographic map and maps from the activity and a ruler or ruler are helpful but not required. Additional experience in latitude and longitude is required for proficiency.

Interactive Map With Latitude And Longitude Lines

We use our cell phones or our car navigation system to navigate to an address, but how does a phone know its location? What if we are out on the ocean with no roads or street signs, how do oceanographers know where we are on the vast blue ocean with no land in sight? Global Positioning Systems, also known as GPS, are used to locate locations on Earth from satellites. Multiple satellites are used to triangulate our location using a grid system placed on the surface of the Earth called latitude and longitude.

Solved: How To Map Latitude Longitude

Figure 1.3.2. Latitudes. The red color represents the equator, the latitude in north degrees in yellow and south degrees in green. Created by Benjamin R. Jordan 2021. Base map from NASA.

Latitudes start at the equator, or 0 degrees (°) latitude. Latitudes run east and west, parallel to the equator, and are measured in degrees north or south of the equator up to 90° at the north or south pole. The lines of latitude are equidistant from each other. One degree of latitude is divided into 60 minutes (‘). A minute of latitude is 1.15 miles or one nautical mile. One minute of latitude is further divided into 60 seconds (“”). We represent latitude in degrees, minutes, and seconds with north (+) or south (-); for example: 27° 12’ 28” N. degrees north is called the hemisphere North, while South is the Southern Hemisphere. We also divide the Earth based on climate into tropical (0-23.5 degrees N), subtropical (23.5-30 N), temperate (30-60 N or S) and polar (60-90 N. W. S.) Although these are not exact latitudes, they can vary by 5-10 degrees, they provide a relative view of climate zones that are important to biological, physical and chemical oceanography.

Now that we know how far north or south of the equator we are, we need to know a more precise location. After all, we can be anywhere on the globe at the same latitude. The second part of the grid system we use is called longitude. Lines of longitude, or meridians, run from the North Pole to the South Pole. Unlike the equator, which is the center of the sphere, the prime longitude, or 0° of longitude, is artificially set to pass through Greenwich, England. It has been moved several times in history to move through other major cities. Lines of longitude run north and south from pole to pole, meaning they are not equally spaced at different latitudes, they are further apart at the equator than at the poles. The Earth takes 24 hours to complete one rotation or 360°. So every hour the earth rotates 15 degrees of longitude (360 degrees/24 hours = 15 degrees/hour). Longitudes are measured east or west of the prime meridian at 180°, which is the anti-meridian or international datum line. Longitude is written in degrees, minutes and seconds east (+) or west (-) of the primary longitude; For example: 85° 15′ 32″ W.

Figure 1.3.3. Longitudes with east degrees are shown in yellow and west degrees are shown in green with the prime longitude in red. Created by Benjamin R. Jordan 2021. Photo by NASA.

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With newer digital technology, latitude and longitude can also be expressed in decimal degrees. If you are plotting map locations using digital software, you will need to convert them using one of the many online latitude and longitude converters. Remember that with decimal degrees you will use positive (+) for east and north and negative (-) for west or south. For our purposes, we will use the historical format of degrees, minutes and seconds. When writing a location, you must include both latitude and longitude, starting with latitude; For example: 27° 12′ 28″ N, 85° 15′ 32″ W.  Remember, without a cardinal direction (N, S, E, W) you would be lost!

When viewing maps, it is important to pay attention not only to the coastlines, ocean basins, and ocean features, but you must pay attention to the scale of latitude and longitude of that particular map. Similar to identifying the scale on the x- or y-axis of a chart, markers or grids between two degree numbers can indicate degrees, minutes, seconds, or a combination of these, depending on how you zoom in on the map location. First, let’s look at a simple example. Click on the question marks to learn more about reading these latitude and longitude scales. Remember that one degree equals 60 minutes, similar to reading a clock where one hour is 60 minutes and one minute is 60 seconds! (You’re just replacing “hour” with degrees, and clocks have more degrees than hours on Earth because they’re based on angles – but I think you get the point!) You can use this information to determine the scale by looking at some grid marks or There is a division between the latitude or longitude on the scale. You can then estimate an even smaller scale between brands.

Let’s look at some more examples on real maps. Pay attention in figure 1.3.4 below: on the A scale the latitude and longitude marks are the same, 30 minutes or one degree every 2 marks. On the B scale, the latitude and longitude are different, the latitude marks appear every 15 minutes and the longitude marks are 20 minutes or one degree every 3 ticks. Also, it is very important to pay attention to the direction of the rise or fall. In the A scale the latitude increases from the top to the bottom of the chart, while in the B scale the latitude decreases from the top to the bottom of the chart.

Use the following charts (Figures 1.3.6-1.3.9) to identify the latitude and longitude plotted in degrees (°) and minutes (‘) only due to the size of the charts for the surface moorings located in each OOI field. Be sure to include N, S, E or W. Find the latitude and longitude of the center of the circle next to the field name.

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Each OOI array consists of moorings, platforms, and sensors located at latitude and longitude, depth, distance from shore, or other geographic location. Some devices are portable, others are fixed. For example, in Lab Activity 1.4 you will learn about zooplankton migration during the solar eclipse of August 21, 2017. The data collected to identify this phenomenon was collected in the Endurance Array. The Endurance Coast line has a line from Oregon to Washington. The Endurance Array is designed to be a multidimensional array that uses both fixed and mobile means to observe cross- and along-shelf variability in the coastal upwelling area of ​​the Oregon and Washington coasts. The array also provides an extensive spatial footprint that includes the Eastern Boundary Stream and has connectivity with the OOI cable array. The chart below shows the entire endurance array area. You are here: Home / Creative Learning Activities / Teens can learn latitude and longitude with this fun scavenger hunt

There was one year when both of my kids were in middle school that I spent a lot more time doing geography in our home school, teaching 21 middle schools in cooperative geography. With all these geography classes, I was constantly trying to find hands-on activities to get everyone involved and understand the material better.

I created this scavenger hunt to make learning about latitude and longitude fun and interesting for my kids. They loved it!

We started the semester mapping the continents and oceans. We also highlighted the equator and the prime meridian.

Understanding Latitude And Longitude

Then it was time to learn about latitude and longitude and their favorite activity was definitely a printable scavenger hunt.

Latitude is the distance (measured in degrees) north or south of the equator and runs from east to west.

The equator is an imaginary horizontal line that goes around the earth, dividing the world into the northern and southern hemispheres; It is zero degrees (written as 0°) of latitude. 90 degrees (90° or 90°N) north of the equator is the North Pole, while the South Pole is located -90 degrees (-90° or 90°S) south of the equator.

Longitude is the angular distance (measured in degrees) east or west of the prime meridian and runs from north to south.

Printable World Maps With Longitude And Latitude

The Prime Meridian is an imaginary vertical line running from the North Pole to the South Pole passing through Greenwich, England. It is at zero degrees (written as 0°) of longitude and divides the world into the eastern and western hemispheres, at 360 degrees (360°). It’s 180

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