Manual of Physical Geography

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Macmillan, 1909 - 291 páginas
 

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CHAPTER IV
28
26 Construction of a Weather
29
27 Wind Directions in Cyclones and Anticyclones PAGE
34
35
35
Inference of a Cyclone or an Anticyclone from Wind Direction 31 Inference of Cyclones and Anticyclones from Isotherms
37
Conditions in Different Parts of Cyclones and Anticyclones
38
PAGE
40
Cyclones and Anticyclones in Summer and in Winter
41
34 Cyclone Paths
42
CHAPTER V
43
A Chinook Wind
44
37 Observation of a Rain Storm
45
The Dewpoint
46
39 Observations on Dew Deposition 40 Study of a Fog 41 Cloud Study
47
42 Observations of Frost Conditions
48
Map Study of Frost Conditions
49
44 Local Forecasting 45 Trade Winds and Sailing Routes
50
COMMON MINERALS AND ROCKS
54
CHAPTER VII
60
CHAPTER VIII
66
56 Braided Anastomosing Streams
77
River Terraces
87
Mature Rivers and Valleys
95
67 Early Mature Topography
97
68 Mature Topography and Drainage
98
A Region in Old Age
99
A Region in Old Age recently Revived
100
73 A Peneplain recently Elevated
101
Incised Intrenched Meanders
103
A Superimposed Stream
104
77 Drowned Stream Valleys
105
Field Study of Consequent Insequent and Subsequent Streams
106
and their Associated Valley Patterns
107
80 Study of a Cañon
109
81 Study of a Waterfall
110
CHAPTER IX
113
Mountains of Circumerosion Circumdenudation
114
Mountains in Youth Circumerosion
115
Mountains of Circumerosion in Maturity
116
Escarpment and Outliers
117
A Maturely Dissected Mountainous Divide
118
CHAPTER X
121
An Anticlinal Mountain Unsymmetrically Folded
122
An Anticlinal Valley
123
92 An Eroded Anticline with Monoclinal Ridges
124
Synclinal Mountains
126
94 Eroded Synclines Monoclinal Ridges
127
A Syncline with Pitching Axis
128
Land Forms resulting from the Erosion of a Pitching Anti cline
130
Stream Adjustment in Folded Structure
132
98 Stream Capture in Folded Rocks
134
The Effect of a Change in Dip upon the Width of Outcrop
135
Peneplains
136
101 Stage of Erosion in Topography developed on Folded Rocks
138
103 Hog Backs
139
A Cuesta
141
CHAPTER XI
143
106 Block Mountain and Rift Valley
144

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Página ii - THE MACMILLAN COMPANY NEW YORK • BOSTON • CHICAGO ATLANTA • SAN FRANCISCO MACMILLAN & CO., LIMITED LONDON • BOMBAY • CALCUTTA MELBOURNE THE MACMILLAN CO. OF CANADA, LTD. TORONTO OF...
Página 3 - It is, on the contrary; diminished 9'', when the node is in the autumnal equinox, and it is equal to the mean, when the node is in the colure of the solstices. This change of the inclination of the earth's axis to the plane of the ecliptic was called the nutation of the axis by Sir Isaac Newton.
Página 197 - ... appears to have been rather local in character. The late Pliocene and early Pleistocene submergence of the southern California coast, marked by raised shore-lines, did not extend as far as the Isthmus of Panama, and I hardly think was represented on the coast of southern Mexico and Central America. *Bulletin of the Department of Geology, University of California, Vol. I, No. 4, December, 1893. fAmerican Geologist, Vol. XX, No. 4, October, 1897. The city of Mazatlan, Mexico, is situated on a short...
Página 83 - The area of a triangle is one half the product of its base and its altitude; ie, a = y2bh.
Página 291 - The book is intended to serve as an introduction to the science of Geology, both for students who desire to pursue the subject exhaustively, and also for the much larger class of those who wish merely to obtain an outline of the methods and principal results of the science.
Página v - For example, rather few students know precisely why it is colder in winter than in summer, or why the seasons change.
Página 154 - A valley glacier extended down the valley of the Lake Fork of the San Miguel River.

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