NDLI: Inter-comparison of turbidity and sediment concentration measurements from an ADP, an OBS-3, and a LISST

Content Provider	IEEE Xplore Digital Library
Author	Creed, E.L. Pence, A.M. Rankin, K.L.
Copyright Year	2001
Description	Author affiliation: Inst. of Marine & Coastal Sci., State Univ. of New Jersey, Brunswick, NJ, USA (Creed, E.L.)
Abstract	A two-year study is being conducted jointly by Stevens Institute of Technology and Rutgers, The State University of New Jersey to create a sediment budget for the Port of New York and New Jersey to further the understanding of the physical processes responsible for persistent siltation of New York Harbor. Scientists are investigating the extent to which marine sediments are suspended due to meteorological events, dredging practices and/or vessel traffic. Thus far hydrodynamic and sediment concentration measurements have been made twice in 2000 and thrice in 2001 in Newark Bay, the Arthur Kill and the Kill van Kull using multi-instrumented moorings deployed simultaneously at the three sites for two to four week periods. Each mooring contains a SonTek Acoustic Doppler Current Profiler (ADP), a SeaBird MicroCat CTD, a D&A Instruments OBS-3 and a Sequoia Scientific LISST-100. The optical measurement obtained by the OBS-3, which can be translated into suspended sediment load, is dependent on grain size distribution and concentration. The acoustic backscatter intensity from the ADP can also be used as an indicator of turbidity in the water column, which is dependent on grain size distribution and concentration, as well as particle shape and density. The LISST, a laser forward-scattering instrument, reports the sediment concentration and the grain size distribution from 1.25 to 500 /spl mu/m in situ. The measured concentration is dependent on sediment concentration and shape as the LISST assumes that all particles are spheres. A comparison of time-history signals among the LISST, the OBS-3 and the ADP was conducted to examine whether changes in the OBS-3 and ADP output signals represent real changes in sediment concentration, or merely changes in grain size distribution and particle composition.
Starting Page	1750
Ending Page	1754
File Size	464002
Page Count	5
File Format	PDF
ISBN	0933957289
DOI	10.1109/OCEANS.2001.968098
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2001-11-05
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Marine Technology Soc.
Subject Keyword	Sediments Grain size Acoustic measurements Instruments Shape measurement Marine technology Meteorology Hydrodynamics Size measurement Backscatter
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
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9	IDR Setup or Support	Queries related to establishment and support of Institutional Digital Repository (IDR) and IDR workshops	idr@ndl.gov.in

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