NDLI: Challenges in autonomous coastal water sampling

Content Provider	IEEE Xplore Digital Library
Author	Marouchos, A. Neill, C. Sherlock, M. Goodwin, T. Van Ooijen, E. Cordell, J. Tilbrook, B.
Copyright Year	2012
Description	Author affiliation: CSIRO Marine & Atmos. Res., Hobart, TAS, Australia (Marouchos, A.; Neill, C.; Sherlock, M.; Goodwin, T.; Van Ooijen, E.; Cordell, J.; Tilbrook, B.)
Abstract	Scientists looking to ground truth data collected by in situ sensors require physical water samples collected at the sensor depth. These samples which are processed in the lab are crucial in increasing the confidence of in situ sensors; especially when such sensors are of a new type. Traditionally, water samples at depth are collected manually through the use of niskin style bottles, or with the simple filling of bottles alongside a vessel. Although this process works for sparse sampling, it is not an efficient way to collect a large number of regular samples across many sites. Shallow reefs may also be inaccessible by boat at low tide. An autonomous water sampling system is needed to allow for the quick and efficient collection of water samples. The system should be relatively inexpensive, compact and lightweight so it can easily be deployed from small boats on reefs and in larger numbers. In addition, it should be easily scalable to allow for the collection of up to 1000ml of sample in either timed intervals or at preset times of day. This paper discusses the challenges of taking such autonomous water samples in coastal reef environments. The design and development of two types of autonomous sampling systems for use in shallow coastal waters is discussed in this context. Results from field trials are also presented. Finally, the paper disuses how these systems can be modified to allow for deep operation, or operation as part of an under way sampling system on a research vessel.
Sponsorship	Oceanic Eng. Soc.
Starting Page	1
Ending Page	6
File Size	1436612
Page Count	6
File Format	PDF
ISBN	9781467308298
e-ISBN	9781467308311
DOI	10.1109/OCEANS.2012.6405070
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	Valves Filling Manifolds Sensors Solenoids Sea measurements Batteries
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
8	Digital Preservation Centre (DPC)	Assistance with digitizing and archiving copyright-free printed books	dpc@ndl.gov.in
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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