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ESS 101 B Au 24 Laboratory 1: Geologic Techniques
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ESS 101 Introduction to Geology | ESS 101 B Au 24 Laboratory 1: Geologic Techniques
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5/6/24, 4:40 PM Laboratory 1 : Geologic Techniques: ESS 101 B Sp 24: Introduction To Geology And Societal ImpactsLaboratory 1 : Geologic Techniques
Due Apr 10 at 11:59pm
Points 11
Questions 25
Available Mar 29 at 9am - Apr 10 at 11:59pm
Time Limit None
Allowed Attempts 3
Instructions
Use the quiz questions below to complete the answer sheet for the Laboratory 1 (Geologic Techniques:
Maps and Remote Imagery) exercise. This lab is worth a total of 11 points.
NOTE ABOUT IMAGES : You can find all of the figures embedded in this quiz in Files --> Lab
Instructions --> Lab 1: Geologic Techniques --> Figures in Lab Quiz
The Pre-Lab Videos for lab 1 can be linked here: Lab 1 Background Information Video
(https://canvas.uw.edu/media_objects_iframe/m-2f34obZ953HpqpjJgoXYK3VVN4wJMbwx?type=video?
type=video)
Lab1_Geotechniques Information Video
(https://uw.hosted.panopto.com/Panopto/Pages/Viewer.aspx?id=f1c57347-5114-4e84-95c2-ab940132967e)
You have two attempts for this quiz.
This quiz was locked Apr 10 at 11:59pm.
Attempt History
Attempt Time Score
LATEST Attempt 1 84 minutes 11 out of 11
Score for this attempt: 11 out of 11
Submitted Mar 29 at 7:49pm
This attempt took 84 minutes.
Question 1
0..25 pts
,5/6/24, 4:40 PM Laboratory 1 : Geologic Techniques: ESS 101 B Sp 24: Introduction To Geology And Societal Impacts
Laboratory Honor Statement
Cheating or plagiarism of any kind will not be tolerated in ESS 101. This includes copying answers from
a friend or classmate, copying answers verbatim found on the internet or other literary sources, or
copying any work that may answer the question being asked. Make sure you always use your own
words when answering the questions in the homework and cite appropriate references if you use them to
help you answer the question. Violations the academic code of conduct
(https://www.washington.edu/cssc/for-students/academic-misconduct/) will will be reported to the UW
Academic Misconduct representative for investigative review.
I acknowledge that I have carefully read and understand the above statement regarding the
consequences of cheating and plagiarism, and promise to complete my work in this class with honesty
and integrity. Answer "True" below supporting your acknowledgement.
True
False
Learning Goals
By completing this lab, students will gain a deeper of understanding of how:
Maps are used to convey important information on the Earth’s surface
The geographic grid (latitude and longitude) is used to describe location on a map
To read topographic maps and use the data for landscape analyses
To construct a topographic profile and use it to interpret geomorphic processes
To use aerial photographs and LiDAR imagery to interpret landscapes
Introduction
Geoscientists utilize many different techniques to study the Earth, and many of these techniques do not
always involve fieldwork or direct sampling of the Earth’s surface. Before a geoscientist completes work
in the field, s/he will often review maps or remote images to learn about the study area. For example,
consider a geoscientist who is assessing the landslide hazard for a proposed housing development near
a steep slope. S/he can gain valuable insights about the local rock type and nearby geologic structures
by looking at a geologic map. Additionally, s/he could use aerial photographs to study local topography
and identify evidence for past landslides or erosion. Geoscientists also often record their field data on
, 5/6/24, 4:40 PM Laboratory 1 : Geologic Techniques: ESS 101 B Sp 24: Introduction To Geology And Societal Impacts
maps so that it can be interpreted within a spatial context and shared with other geoscientists or the
general public.
In today’s lab, we will explore map-reading, aerial photo interpretation, and remote sensing techniques
that are utilized by geoscientists to study the geologic landscapes and processes operating at the
Earth’s surface. Many of these techniques will be integrated into future laboratory exercises.
History of Maps
A map is a two-dimensional representation of a portion of the Earth’s surface. Civilizations have used
maps for over three thousand years; the earliest known map was made by the Babylonians in the 6 th
century BCE. The earliest maps were largely drawn to denote place names and general directions, often
neglecting accuracy and scale. Figures 1-1A and 1-1B illustrate the simplicity of these early maps1.
Figures 1-1A and 1-1B: Babylonian map of the world (Fig. 1-1A) drawn on a clay tablet circa 500 B.C. The map represents ancient Babylon, the
Euphrates River and surrounding ocean, which today comprises modern Iraq. Fig. 1-1B is a representation of an original Roman map entitled, Orbis
Terrarum, drawn by Marcus Vipsanius Agrippa in 20 A.D. The ancient Roman map shows Europe, Asia and Africa surrounding the Mediterranean
Sea.
Following the decline of the Roman Empire, near the end of the 5th century A.D., innovation and
advancement in cartography declined for almost 1000 years until the start of the Renaissance Period in
the late 14th century. During the Renaissance Period, the Age of Exploration and Discovery brought
about a need for increased accuracy in maps, particularly for navigational purposes as global trade and
colonization increased. Figure 1-2 shows a world map, originally published by the Flemish cartographer
Gerard Mercator in 1595, and subsequently published in Henricus Hondius’ Atlas in 16332. Such maps
provided valuable navigational information, such as latitude and longitude coordinates and the seasonal
position of the overhead sun for seafaring explorers and traders.
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