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2 produkter
2 produkter
E-bok
Engelska, 20216 498 kr
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Geomorphology is the study of landforms and landscapes, including the description, classification, origin, development, and history of planetar surfaces. During the early part of this century, the study of regional-scale geomorphology was termed "physiography". Unfortunately, physiography also became synonymous with physical geography, and the concept became embroiled in controversy surrounding the appropriate concerns of that discipline. Some geomorphologists held to a geological basis for physiography and emphasized a concept of physiographic regions, A conflicting trend among geographers was to equate physiography with "pure morphology," divorced of its geological heritage. Remotely sensed imagery has been used extensively in geomorphology since the availability of early Land sat data, with its value measurable by the extent to which it can meet the investigative requirements of geomorphologists. Geomorphology focuses upon landform description/classification, process characterization and the association between landforms and processes, while remote sensing is able to provide information on the location/distribution of landforms, surface/subsurface composition and surface elevation. This book should be useful to remote sensing scientists and engineers, geographers, geologists, ecologists and environmental scientists, agricultural and soil scientists and urban and regional planners. Regional, state and university remote sensing centres may like to have this book as well.
E-bok
Engelska, 20081 789 kr
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Fish are classified in several classes by which its study becomes easier. Fish having similar properties are: contained in the same group. Various classes of fish are Thelodonti, Anaspida, Cephalaspidomorphi, Galeaspida, Pituriaspida, Osteostracy, Gnathostomata, Placodermi. jawless fish are classified under the group Thelodonti, which are very similar to Heterostraci, and are not armored. The Pituriaspida are a small group of armored jawless fish with tremendous nose-like rostrums, which live in the marine, deltaic environments of Middle Devonian Australia. Gnathostomata is the group of vertebrates with jaws. This group is in super class, including the familiar classes of fish, birds, mammals, and so for the and a sister group of jawless vertebrates Agnatha. The placodermi are armored prehistoric fish known from fossils, dating from the Late Silurian to the end of the Devonian periods. This eminent work has an exhaustive and exclusive coverage of fish in a simple, but effective style. This work would be caballero prove beneficial for all classes of readers.