America

1
America Part One Geography Chapter I A
General Introduction to Physical Geography
I The location of America in the
world in the central part of North America
with Alaska in the northwestern part of North
America and Hawaii in the central Pacific ( Maps
12). Map 1 Tthe map of the world
2
Map of the world
3
Map 2 North America
4
II.Three Geographical Divisions ( Maps 3,
4,5,6,78)
5
Map 5 Landform of America
6
(No Transcript)
7
Map7 The topography of America(?????)
8
Map8The Cross Section Map of American
Continent(??????????)
9
The eastern part highlands formed by the
Appalachian Range one sixth of national territory
on the continent, 800 meters above sea level.
The range from north Maine to central Alabama,
covering a distance of 1200 miles. The width of
the upland belt not more than 300 miles.
Appalachian Spring
10
Picture1 Appalachian Range
11
(No Transcript)
12
(No Transcript)
13
Three components of this upland belt the
Piedmont Plateau( Pictures6,7), the Appalachian
Plateaus and the Appalachian Range(Pictures7,8,9,1
0).
14
Picture6Appalachian Highlands Piedmont Plateau
15
Outer Piedmontrolling upland erosion and deep
The Outer Piedmont is a gently weathering have
long since obliterated surface indications of the
folded bedrock beneath. Picture9Appalachian
Highlands Valley and Ridge
16
The Blue Ridge is composed of complexly folded
and faulted igneous (granitic) and metamorphic
rocks.
17
The Atlantic plain the Florida Everglades.
18
II.The western part high plateaus and
mountains formed by the Great Cordillera Range,
the Coast Range, the Cascades and the Rocky
Mountains, holding one third of the countrys
territory on the continent.
19
1.Yellowstone National Park (1) The
hydrothermal(???) featuresOld faithful, the
first national park in the world, wild
geologic(???) history, caldera(???????????????????
????????????), the hydrothermal features. the
deepest pool in the park, hence its name, and
actually erupted as a geyser???in 1987,cooking
hillside, changed as a result of a number of
earthquakes in 1978-1979,200 degrees
Fahrenheit(Pictures1,2,3,4,5)
20
Picture1 Old Faithful
21
Picture 2 Abyss Pool
22
(No Transcript)
23
(2) Wildlife(Pictures 1,2,3)animals roam freely
, the buffaloPicture 1 The buffalo
24
Picture 2 Moose ??
25
(4) Rivers, Waterfalls, LakesYellowstone Lake,
the largest lake in the world over 7,000 feet
26
Picture 6Grand Canyon of the Yellowstone 
27
The canyon and cliffs The canyon and cliffs
below are on the Yellowstone River. Pinnacles are
basalt(???)columns which are formed as lava??,
??? cools and contracts(pictures1,2 )Tower Falls
the water drops 132 feet .
28
(No Transcript)
29
Tower Falls
30
Rock Under Construction Mammoth Hot Springs
Yellowstone National Park Wyoming, USA
31
 
32
Mammoth Hot Springs Yellowstone National Park
Wyoming, USA
33
The Grand Canyon of the Yellowstone National
Park Wyoming, USA
34
(No Transcript)
35
The Sierra Nevada Yosemite National ParkThe
Pacific Mountain System the first chain the
Cascade Range in Oregon and Washington. the
second chain the California Coast Range, the
Oregon Coast Range. Between the two chains lies
the valley of California, 450 miles long and 50
miles wide.
36
Death Valley
37
(No Transcript)
38
Five Lakes
39
(No Transcript)
40
(No Transcript)