GIS DIG # 4 – What are the basic units of measurement for navigation and how did a map maker named Mercator help establish these units of measurement? button
.... Welcome to our first GIS DIG for the year –let’s learn some interesting facts in the history of map making.
GIS Team: . . . . Tue, Sep 10, 8:16AM PST (-0800 GMT)
NOTE: Please be sure to include your name and school name in the YOUR HANDLE box before posting, and then include the Question # as you answer, and submit complete sentences that include the question in the answer, ie, not ‘GIS’ but “GIS stands for Geographic Information Systems” to create a full answer.
GIS Team: . . . . Tue, Sep 10, 8:17AM PST (-0800 GMT)
GIS DIG #1 – Describe at least six tools that have been used to understand where a place ‘is’ in relation to its surroundings since geography first began being observed …. button
GIS Team: . . . . Tue, Sep 10, 8:17AM PST (-0800 GMT)
GIS DIG # 2 – In the third century BC, a Greek mathematician estimated the circumference of the earth. Who was he? How did he do this, what distance did he estimate, and how close was he to the correct measurement? button
GIS Team: . . . . Tue, Sep 10, 8:17AM PST (-0800 GMT)
GIS DIG # 3 – What is navigation and what is it used for ? Can you name at least three famous explorers who relied on navigation? button
GIS Team: . . . . Tue, Sep 10, 8:18AM PST (-0800 GMT)
GIS DIG # 4 – What are the basic units of measurement for navigation and how did a map maker named Mercator help establish these units of measurement? button
GIS Team: . . . . Tue, Sep 10, 8:18AM PST (-0800 GMT)
GIS DIG #5 – Describe at least three types of maps based on what their intended use has been for. What is the name of the practice of map making and is it an art or a science ?
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GIS Team: . . . . Tue, Sep 10, 8:18AM PST (-0800 GMT)
GIS DIG #6 – Maps today rely on instruments on and above the earth to generate data. What do remote sensing devices do that helps mapmakers today? And where are they located? button
GIS Team: . . . . Tue, Sep 10, 8:18AM PST (-0800 GMT)
GIS DIG #7 – What is latitude and longitude? How is the equator used to create plus and minus numbers? And how / where is the Greenwich that determines East and West readings(read carefully to find this naswer)?
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