Atle Lohrmann
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Activity overview
Latest activity by Atle Lohrmann-
Atle Lohrmann commented,
H Rachel. as Jim said, this is an area of active research. I know Stephen Monismith's group at Stanford has worked on this problem, although I am not sure which paper is the best one. Maybe this ...
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Atle Lohrmann commented,
Are you thinking about a variable draw-down during the data collection period or is the draw-down on a longer time scale so that the depth is constant for the time it takes to collect wave data?
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Atle Lohrmann created an article,
Enhancing the accuracy of current profiles from surface buoy-mounted systems (2018/2019)
This paper and the subsequent one from the CWMTA conference (2019) fully describes the problem of collecting accurate data ADCP from buoys. Includes the problem description, the history of compar...
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Atle Lohrmann created an article,
The Vectron: A pulse coherent acoustic Doppler system for remote turbulence resolving velocity measurements (2015)
The Vectron is a large velocimeter system that was been developed to allow remote measurement ofturbulent velocities at mid-water depth (O 10 m distant from the instrument transducers) to meet the ...
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Atle Lohrmann created an article,
Observing Finescale Oceanic Velocity Structure with an Autonomous Nortek Acoustic Doppler Current Profiler (2018)
Paper describing the use of HR mode with the Signature1000 from a platform that moves with the currents. Goes into details describing the extended HR mode that was developed for the Signature and ...
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Atle Lohrmann created an article,
Subsurface wave measurements taken to new depths (2009)
In this conference contribution, the authors discuss how the SUV method makes it possible to measure wave height and wave direction from a subsurface buoy that moves during the data collection. Inc...
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Atle Lohrmann created an article,
Resolving Transformed Wave Direction near Coastal structures (2005)
This conference contribution talks about how the AWAC can be used to detect wave reflection from breakwaters
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Atle Lohrmann created an article,
Turbulence Measurements from Five-Beam Acoustic Doppler Current Profilers (2017)
One of the first papers to describe turbulence measurement made with a five-beam Signature1000. The papers also compares the results from the Signature1000 with other ADCPs. The published paper c...
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Atle Lohrmann created an article,
A Question of Scale: How Turbulence Around Aerial Roots Shapes the Seabed Morphology in Mangrove Forests of the Mekong Delta (2017)
Detailed description of a large field experiment to study the effect of turbulence on vegetation. The researchers used multiple Vector velocimeters and HR Aquadopp profilers to collect data.
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Atle Lohrmann created an article,
Analyses of the Directional Wave Spectrum from field data (1997)
A thorough analyses of the different methods that have been developed to estimate the surface wave direction using bottom mounted current profilers with multiple beams. The paper can also be found...