San Francisco State University Department Of Geography
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- Published: Thursday, April 3, 2014
- index: Geography Internet Scavenger Hunt
Geography internet scavenger hunt. Your goal will be to complete a landform scavenger. hunt so you may want to skip ahead to see what you're looking for. ? we'll start by finding for named. online.sfsu.edu.
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SAN FRANCISCO STATE UNIVERSITY
Department of Geography & Human Environmental Studies
Geog 312 Geography of Landforms
WorldWind 2: Fluvial Landforms
See the previous exercise for instructions on getting started with WorldWind.
ï Your task in this exercise is to explore locations that include examples of fluvial landforms you've
studied in class and in the readings. You'll use World Wind or Google Earth to see views of these
features, and you should use the navigation tools to get different angles and visualize the topography â
the form is obviously important to a landform. Your goal will be to complete a Landform Scavenger
Hunt so you may want to skip ahead to see what you're looking for.
ï We'll start by finding for named locations. WorldWind: Use the Place Finder to Search for the
location. Select the best choice in the list, then click Go to zoom into the location you've selected.
Turn on the imagery suggested in the table. [Google Earth : use Local Search. Ctrl-L for lat/long grid.]
Location State/Country Imagery/Layers Instructions
Dinosaur Colorado NLT Landsat Visible Then go due north along 109Â°W
meridian to 40.54Â°N
Victoria Falls Zimbabwe NLT Landsat Visible
Niagara Falls New York NLT Landsat Visible
NLT Landsat Visible
ï For the following locations, use Ctrl-C to copy the code
from this document â I'll also put this part on the web page
as a word document â then in World Wind, paste it with
Ctrl-V (or if this doesn't work, use Paste Coordinates in
the Edit menu). Make sure you get the entire text string
that starts with "worldwind://" and ends with the number
after "&tilt=". Unless indicated otherwise, use a vertical
exaggeration of 2.0 â this is an especially important
setting since it is part of what determines where the central
cross-hair target is located. The feature we're looking for
should be in the cross-hairs. Unless otherwise indicated,
use NLT Landsat7 Visible as the image to display (turn off
other images). Zoom out and rotate around to see the
regional context; paste again if you get lost.
Mississippi River, Greenville Mississippi: 33.26986, -91.13400
Mackenzie Delta: 68.39613, -134.05853
Victoria Falls, Zimbabwe: -17.925 25.857
Rio Paraguay, Argentina/Paraguay: -27.32499, -58.64907
Rakaia River, New Zealand: -43.57162 171.74863 (alt: 20 km)
Google Earth variation:
You can't paste in the entire string into
Google Earth, but you can enter the
latitude, longitude string into the "Fly To"
box, and press Search. So we've provided a
lat, long string for each location, just after
the location name. For example, paste the
string "63.06966, -150.25563" into the Fly
To box, and Search will take you there.
This will position you to the right location;
from there you should zoom out to about
50 km altitude (unless indicated otherwise),
and explore with tilting and such.
San Juan River, southeastern Utah: 37.215 -109.998 (alt: 15km)
Death Valley, California: 36.82808, -117.17971
Clark Fork near Missoula, MT: 46.8719 -114.083
Rio Negro, Patagonia, Argentina: -40.040189 -64.592531
Itkillik River, Alaska North Slope (hit space bar to use default vertical view angle): 70.05553, -151.19922
Near Tucumcari, New Mexico: 34.921793 -104.031200
Llobregat River, Barcelona, Spain: 41.337059 2.098435
Porcupine River, Alaska, above Fort Yukon: 66.77977, -144.20064
Landform Scavenger Hunt
Your task is to explore the above locations (including the 4 placefinder ones), and try to find the
following landforms, related feature, or evidence of process. For each, provide the location and visual
evidence that leads you to this conclusion. The first one is provided as an example:
river meander (EXAMPLE) Location: Greenville, Mississippi .
Evidence: length of river is greater than the valley length due to the tortuous turns of the river.
Nearby are characteristic meandering river features: oxbow lakes, meander scars, point bars.
Single channels are also typical of meanders.
waterfall (ok, this one's easy) Location: _____________________________
escarpment Location: _____________________________
point bar Location: _____________________________
braided river Location: _____________________________
entrenched meanders Location: _____________________________
oxbow lake Location: _____________________________
channelization Location: _____________________________
alluvial fan Location: _____________________________
suspended sediment Location: _____________________________
anastomosing river Location: _____________________________
Now, select one of the sites provided, and one additional one you need to find, and copy a screen shot to a
word processor (we have MS Word in the lab), by using Alt-Print Screen (hold the Alt key down, then
click the Print Screen button on your keyboard, near the upper right), then paste (Ctrl-V) into the
document. Add text identifying the location, and then print each on a separate page. For each, interpret
the landscape, labeling the relevant features. Identify at least four features on each printout. Note that
these features need not be from the list, but are just things you can see in the image that help you interpret
them; for example, you might see a point bar or an oxbow lake (features in the list) but also a cutbank
(not one of the features in the list) that helps you to identify a meandering river. Or in addition to the
(light-colored) suspended sediment you might see next to it clear (dark) water, and both should be
labeled. Anything visible that contributes to the interpretation might be good to label.