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Books > Earth & environment > Earth sciences > Geology & the lithosphere > Soil science, sedimentology
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Digital Soil Mapping with Limited Data (Paperback, Softcover reprint of hardcover 1st ed. 2008)
Loot Price: R3,284
Discovery Miles 32 840
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Digital Soil Mapping with Limited Data (Paperback, Softcover reprint of hardcover 1st ed. 2008)
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Signi?cant technological advances have been few and far between in
the past approximately one hundred years of soil survey activities.
Perhaps one of the most innovative techniques in the history of
soil survey was the introduction of aerial photographs as base maps
for ?eld mapping, which replaced the conventional base map
laboriously prepared by planetable and alidade. Such a relatively
simple idea by today's standards revolutionized soil surveys by
vastly increasing the accuracy and ef?ciently. Yet, even this
innovative approach did not gain universal acceptance immediately
and was hampered by a lack of aerial coverage of the world, funds
to cover the costs, and in some cases a reluctance by some soil
mappers and cartog- phers to change. Digital Soil Mapping (DSM),
which is already being used and tested by groups of dedicated and
innovative pedologists, is perhaps the next great advancement in
delivering soil survey information. However, like many new
technologies, it too has yet to gain universal acceptance and is
hampered by ignorance on the part of some pedologists and other
scientists. DSM is a spatial soil information system created by
numerical models that - count for the spatial and temporal
variations of soil properties based on soil - formation and related
environmental variables (Lagacheric and McBratney, 2007).
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