NDLI: A sensor network for long-term monitoring of sediment transport in the coastal region

Content Provider	IEEE Xplore Digital Library
Author	Waldmann, C. Spiesecke, U. Klinger, M. Reuter, R. Schulz, M.
Copyright Year	2012
Description	Author affiliation: Univ. of Oldenburg, Oldenburg, Germany (Klinger, M.; Reuter, R.) \|\| MARUM-Center for Marine Environ. Sci., Univ. of Bremen, Bremen, Germany (Waldmann, C.; Spiesecke, U.; Schulz, M.)
Abstract	We introduce a sensor network suitable for measuring pressure and light transmission in coastal seas over time periods of several months. The purpose is to use the collected data for the investigation of sediment transport processes in the tidal flats of the North Sea in particular during extreme events like storm surges and high tides. The main development objectives were to conceive a modular system that is mobile and can be easily relocated in order to be able to respond quickly to emerging scientific demands. The system design builds up a controller system with CAN bus, which proved to be robust and reliable. Design considerations have been spent on what type of cable could be used under the expected adverse conditions and alternative designs using single buoy deployments have been evaluated as well. The electronic is designed to accommodate a variety of interfaces to be able to integrate the type of sensors that are important for the process study. To that end CAN bus is offering commercially available adapters that facilitate the interfacing process significantly. Special care has been taken to exclude a malfunction of the network if only one sensor fails. The pressure sensor has been selected based on considerations in regard to cost/performance ratio. Minimum requirements exist because of the needed fast and precise resolution in pressure to resolve wave heights. With the selected pressure sensor a prototype underwater device has been constructed and lab and field tests were carried out. A newly developed hyperspectral transmissometer allows deriving data on suspended matter concentration and size distribution. The sensor casing has been specifically designed to protect against biofouling. The capsulated sensors get only in contact with seawater on demand, e.g. prior to a storm surge. The sensor system will result in a better understanding of the dynamics of sediment transport and changes of seafloor morphology which cannot be observed with conventional methods during storm events. First results from deployments and algorithms for data processing algorithms are presented.
Sponsorship	Oceanic Eng. Soc.
Starting Page	1
Ending Page	4
File Size	1332351
Page Count	4
File Format	PDF
ISBN	9781467308298
e-ISBN	9781467308311
DOI	10.1109/OCEANS.2012.6405068
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2012-10-14
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Sea measurements Sediments Atmospheric measurements Pressure measurement Storms Particle measurements Tides multispectral Sensor network pressure transducer wave measurement sediment transport transmissometer
Content Type	Text
Resource Type	Article

Sl.	Authority	Responsibilities	Communication Details
1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
5	Website/Portal (Helpdesk)	Queries regarding NDLI and its services	support@ndl.gov.in
6	Contents and Copyright Issues	Queries related to content curation and copyright issues	content@ndl.gov.in
7	National Digital Library of India Club (NDLI Club)	Queries related to NDLI Club formation, support, user awareness program, seminar/symposium, collaboration, social media, promotion, and outreach	clubsupport@ndl.gov.in
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