Strahler Alan Strahler received his B. With Arthur Strahler, he is coauthor of seven textbook titles with seven revised editions on phyhsical geography and environmental science. He has published over articles in the refereed scientific literature, largely on the theory of remote sensing of vegetation, and has also contributed to the fields of plant geography, forest ecology, and quantitative methods. C from the Universite Catholique de Louvain, Belgium, for his academic accomplishments in teaching and research.
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Full Text crystal chemistry, but most of mineralogy is left for another volume. Petrology and ore deposits are mentioned in various connections, but their detailed treatment is also deferred.
Many aspects of seawater geochemistry and atmospheric geochemistry are discussed, although these have already been handled in greater detail in the first t w o volumes of the series.
Biogeochemistry is emphasized, as it must be in a book on chemical pollution, but more attention is promised for biological aspects of the environment in a later volume.
Tables of geochemical data are not a prominent part of the book, although brief and useful tables are included with some articles and several pages are devoted to an up-to-date tabulation of element abundances in terrestrial and extraterrestrial materials. To pass judgment on articles in a heterogeneous assemblage like this is manifestly unfair, because a reviewer cannot claim to have read all articles w i t h equal care and equal lack of bias.
But perhaps it is w o r t h noting a few of the papers that impressed me as particularly good, especially for purposes of an encyclopedia: Calcium Carbonate: Geochemistry R. Schmalz ; Crystal-field Theory R. Burns and W. Fyfe ; Geochronometry J. Kulp ; Iron: Economic Deposits F. Creasey ; Precambrian Atmosphere G. Goles ; Rare Earths in Basalts J. The care w i t h which the volume was put together is shown not only by the excellent editorial w o r k but also by the surprisingly small number of typographical errors.
A few misspellings and omitted accents and umlauts were all that caught my eye. The index is well done except that some items consist simply of long lists of page numbers w i t h o u t subheads to indicate the particular topics covered. The editor and publisher are to be congratulated for providing earth scientists with a book that should serve as a standard reference in geochemistry for many years to come.
Krauskopf, Stanford, Calif. Strahler, Introduction to Physical Geography. After a relatively short time -- the first 2 editions appeared in and - a third edition of this well known t e x t b o o k for college students has now been published. The edition has been extensively revised, emphasizing the w o r l d w i d e character of atmospheric processes and the advertant and inadvertant impacts of man on his geophysical environment, air, water and minerals.
A new chapter has been devoted to the interplay of the atmosphere and the oceans. Some mention is made of the role satellites are playing in the observation and measurement of meteorological and hydrological measurements. The reviewer would have wished, however, to find a more extensive treatment of this new tool which led to a very much better understanding of atmospheric processes and to improved knowledge of the earth resources aspects of physical geography.
Chapters 8 and 9 are new editions to the t e x t b o o k , describing the hydrologic cycle, the global water balance and problems of soil moisture, evaporation and evapotranspiration.
Four chapters on climate classification and the climates of the world complete the description and explanation of our atmospheric, oceanic and hydrologic environment, which f o r m together almost half of the whole text. The chapters on soils and on vegetation have been taken over from the earlier edition w i t h o u t appreciable changes as have the chapters on landforms and the crust of the earth.
In accordance with the intention of the author to stress in the new edition the earth resources aspects, the chapter on earth resources and mineral resources Chapter 18 has been rewritten. In general, the book impresses by its thoroughness and exactness; newest source material has been used knowingly. The book is very well illustrated w i t h many good photos and well chosen diagrams and tables. However, the simultaneous use of metric and " B r i t i s h " units must be very confusing to students, especially as the indication which units are used is not always clear enough and some errors in conversion occurred; rainfall is given either in " m m " or "cm", and so forth.
I would have preferred the use of metric units throughout, now accepted internationally in most branches of geophysics, and the addition of the appropriate conversion tables for those w h o still need them. Bird, The last comprehensive treatment of the regional physiography g e o m o r p h o l o g y o f Canada was in a book on North America by W. Production of a purely Canadian book has been constrained by a limited market on one hand and an explosion of information on the other.
Professor Bird is highly qualified for the task he has undertaken. The introduction by F. Hare sets an informal tone for the book, which is intended for the curious traveller and students from high-school to university level.
In the first chapter Professor Bird describes the geological history of Canada. Four more int r o d u c t o r y chapters on the history and effects of glaciation, glacial lakes, and changing sea level follow. The subdivision of the country into physiographic regions is then treated. The Arctic Lands province is defined as the area north of the tree line and transcends contrasting geological divisions.
The last two-thirds of the volume comprises seven chapters f r o m 4 to 23 pages long, each covering a physiographic region. No words are wasted on a concluding statement; the reader is abandoned in a landslide. A six page index completes the volume. Three to ten recommended readings are listed at the end of each chapter. Many other authors are credited in the t e x t but are not given bibliographic attention. Illustrations include 80 line drawings, of which three-quarters are maps.
There are also 56 photographs, including many good ones taken by the author. This useful book seems to have been written hurriedly, and has distracting, generally trivial defects which all together may induce many readers to shelve the book unfinished after reading some section of special interest. Rather than giving maximum space to individual regions so that the "curious traveller" in the AppalachianAcadian province, for instance, can read about it is one chapter, additional information is scattered through the i n t r o d u c t o r y Chapters 1 to 5.
This causes some uneconomic repetition; for example, the drumlins west of Hudson Bay are mentioned briefly in three places instead of receiving a single comprehensive paragraph. Most place names in the t e x t are omitted from the maps. Readers need a very comprehensive knowledge of Canadian places or adequate map reference.
On each of t w o pages chosen at random there are about t w e n t y names which do not appear on maps in the book. A quarter of them are not shown in one authoritative world atlas. One name appearing early in the text is "Parry Channel". The reader of the present book is kept in suspense up to page where it is explained that the "Parry Channel" includes several channels that together form a major east-west passage through the Arctic Islands; it is labelled in figures that follow.
The omission of the words " R i v e r " , "Mountain", and "Hills" from many names and the italicizing of words being defined, transmit and air of condescension.
A few statements are questionable, for example in paraphrase: loess and lake deposits are true interglacial beds; and the sides of coulees in Alberta and Saskatchewan are vertical. Measurements are often in yards.
Only illustrations adjacent to an item in the text are referred to, and better ones elsewhere in the t e x t are ignored. Plate is printed sideways.
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