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A Manual of Lake Morphometry (Paperback, Softcover reprint of the original 1st ed. 1981)
Loot Price: R2,871
Discovery Miles 28 710
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A Manual of Lake Morphometry (Paperback, Softcover reprint of the original 1st ed. 1981)
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In this context morphology means the study of lake fonns and fonn
elements, their genesis (from geographical and geological
viewpoints) and their role in a broad physical lirnnological
perspective. Lake morphometry deals with the quantification and
measurement of these forms and fonn elements. MOrphometric data are
of fundamental importance in most limnological and hydrological
projects. This is obvious to most scientists in the field, but it
is just as evident that lake morphology and lake morphometry are
compara- tively neglected topics of scientific endeavour. One can
take the classical work of Welch - "Limnological methods" - as an
example. This book was pub- lished in 1948 and it is still used as
the main reference (see e. g. Wetzel, 1975), in spite of the fact
that the source of most morphometric data, the bathymetric map,
today is practically always constructed from hydrographic surveys
conducted with echosounding equipment, a technique that became
widely used and accepted only after 1948. Echosounding is not even
mentioned in Welch~s book. One can also point out that all
scale-dependent morphometric parameters, like the shoreline length,
the shore development and the lake bottom roughness, up till quite
recently, have had limited quantitative re- levance, since these
parameters could not be defined unambiguously.
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