211
FAL GEOG L 2011
L AB 5 PHYSICAL GEOGRAPHY
Name ___________________________
Section # _____________________________
Major ____________ Minor_____________
Weathering, Fluvial and Mass Wasting Processes
The maps for todays exercises can be found in the 211 section of the R: drive, in the Fall11 folder
(start my computer R: Drive g211 Fall11) . Say no to the additional plug-in, it is not needed.
PART 1 USING THE MAPS PROVIDED, ANWER THE FOLLOWING QUESTIONS
Each question in this section is worth 4 points
L una Quadrangle
1. Open the Luna Quadrangle and examine the Old River that flows west of the Mississippi River in
Arkansas and Mississippi. Based on the large loops and curves, the Old River is a STRAIGHT/
BRAIDED/MEANDERING stream (circle the correct answer).
2. ____________________ is the evidence that the Old River or the Mississippi River has changed its course repeatedly over
time.
Crossett 30 x 60 Minute Series Map
OXBOW LAKE/CUTOFF/CHUTE.
Name one process that causes this type of feature to form.
4. Where would you expect sediment to be deposited in a river (on the inside or outside of curves)?
5. What are these areas of sediment accumulation called?_____
.
6. What are the features in a river where sediment has been
eroded called? ______
.
7. Is the cross section of the Mississippi Valley most similar to a NARROW, V-SHAPED VAL LEY or a
W IDE VAL LEY WITH A BROAD, FLAT FLOODPLAIN? (Circle the correct answer).
8. The thin ridges on both sides of the Barthelomew River (upper center of the map) are called ______
.
9. List two terms that might explain how the
thin ridges formed.
Earthquake Lake Quadrangle
10. Find the Madison Slide on the Earthquake Lake Quadrangle. This the is site of the Madison River 21
million m3 landslide that killed 28 campers in 1959. If you were asked to identify other areas on the map
that are most likely to produce landslides what criteria would you choose that could be evaluated with this
topographic map? A landslide image has also been included below.
Tyonek D-1NE Quadrangle, Alaska
11. Open the Tyonek D-1 NE Quadrangle and examine the Susitna River. The Susitna River is a
STRAIGHT/ BRAIDED/MEANDERING
______or _______.
12. What are the dotted islands in the Susitna River? ____
________________
13. Is the sediment making-up the dotted islands SORTED/UNSORTED? Why?
14. BRIEFLY describe how the islands
formed.
Baywood FL 1993 Quadrangle
Examine the lakes in the Baywood FL 1993 Quadrangle. Part of the quadrangle is reproduced below. The
elevations of the lakes in the depressions in the limestone bedrock is the same as the elevation of the
groundwater table.
15. The lakes are located in ________
.
16 Name the type of chemical weathering that was most
important in the formation of these lakes.
17. This area in Florida has ____________
topography.
SECTION 2 W HAT IS HAPPENING IN THESE PICTURES
Each question in this section is worth 8 points
18.Theimageshowstwoexamplesofacurvedcharacteristiclandformofanalluvialfloodplain.
Canyoupickthemout(circlethem)?Namethesefeatures.Brieflydescribehowtheydeveloped.
19.Identifythestalactites,stalagmites,columns,anddripcurtainsinthispicture.Whatrocks
thiscavernmadefrom?Howdidthesefeaturesform?Whatsubstancesaretheseencrusted
featuresmadefrom?
20.WhatclimateregionisshowninthispictureoftheBeaconValley,easternAntarctica?
21.Whatisthegroundpatterncalled?
22.Explainhowitmighthaveformed.