Analytische Chemie
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Numerous case histories show evidence that geophysical methods are valuable tools for levee inspection and monitoring. National and international standards and recommendations recommend the use of geophysics for a variety of tasks. However, in some cases reported have been flaws missed or false indications given. Due to the larger variety in type, size and construction of levees and the even larger variety of potential tasks and targets the success of geophysical surveys still pretty much depends on the available budget and the experience and capabilities of the clients and contractors involved. It is strongly recommended that all relevant parties agree on the detailed objectives of the survey, required accuracy and reliability of the results and any follow up measures. For the most common tasks more research and practical work using techniques as POD (probability of detection), which are well established in other fields of non-destructive testing, would be of benefit.
Numerous case histories show evidence that geophysical
methods are valuable tools for levee inspection and
monitoring. National and international standards and
recommendations recommend the use of geophysics for a
variety of tasks. However, in some cases reported have
been flaws missed or false indications given. Due to the
larger variety in type, size and construction of levees and
the even larger variety of potential tasks and targets the
success of geophysical surveys still pretty much depends on
the available budget and the experience and capabilities of
the clients and contractors involved.
It is strongly recommended that all relevant parties agree
on the detailed objectives of the survey, required accuracy
and reliability of the results and any follow up measures.
For the most common tasks more research and practical
work using techniques as POD (probability of detection),
which are well established in other fields of non-destructive testing, would be of benefit.