Dataset: larval & local flow velocity in tubulence

Name: Mean instantaneous larval and local flow velocities used to construct distributions of larval swimming velocities collected at Woods Hole Oceanographic Institution in 2011 (Larvae in turbulence project)
Published: 2015-06-08
Keywords: biota, oceans

Cite This Dataset

Project:

Larval Response to Turbulence During Dispersal and Settlement (Larvae in turbulence)

Principal Investigator:

Lauren Mullineaux (Woods Hole Oceanographic Institution, WHOI)

Co-Principal Investigator:

Dr Karl R. Helfrich (Woods Hole Oceanographic Institution, WHOI)

Student:

Ms Jeanette Wheeler (Woods Hole Oceanographic Institution, WHOI)

Contact:

Ms Jeanette Wheeler (Woods Hole Oceanographic Institution, WHOI)

BCO-DMO Data Manager:

Nancy Copley (Woods Hole Oceanographic Institution, WHOI BCO-DMO)

Version:

2015-06-08

Version Date:

2015-06-08

Validated:

Yes

Current State:

Final no updates expected

Mean instantaneous larval and local flow velocities used to construct distributions of larval swimming velocities collected at Woods Hole Oceanographic Institution in 2011 (Larvae in turbulence project)

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Description

Mean vertical velocities (of both individual larvae and local flow) used to construct distributions of observed larval velocity, local flow velocity, and larval swimming velocities, as described in Wheeler et al. 2013. Velocities are recorded in three forcing regimes, 0 Hz, 0.75 Hz, and 1.75 Hz. PIV recordings by Wheeler in Summer 2012.

Relevant Reference:

Wheeler J.D., Helfrich K.R., Anderson E.J., McGann B., Staats P., Wargula A.E., Wilt K., Mullineaux L.S. (2013) Upward swimming of competent oyster larvae Crassostrea virginica persists in highly turbulent flow as detected by PIV flow subtraction. Mar Ecol Prog Ser 488, 171-185.

Data Processing Description

PIV velocity vectors extracted from raw images using DaVis image processing software, as described in Wheeler et al. 2013. PIV velocity vectors are isolated near larvae and used to subtract out local flow near larvae to identify larval velocities, as described in Wheeler et al. 2013.

Data Files

File
flow_vel.csv (Comma Separated Values (.csv), 29.77 KB) MD5:824fe9dc7fa6ea6dc3e1a71af4886a44 Primary data file for dataset ID 561140

More Information about this dataset

Funding Sources

Funding Source	Award Number
NSF Division of Ocean Sciences	OCE-0850419

Deployments

Deployment	Synonyms	Start Date	Platform	Investigator
lab_Mullineaux_2011		2011-06-01	WHOI	Lauren Mullineaux (Principal Investigator) Dr Karl R. Helfrich (Co-Principal Investigator) Ms Jeanette Wheeler (Student)	data info

Instruments

Camera

Supplied Name:

Supplied Description:

high-speed monochrome camera (Photron Fastcam SA3) and a pulsed near-infrared laser (Oxford Lasers, Firefly 300 W, 1000 Hz, 808 nm)

Instrument Type

Generic Name: Camera

Acronym: camera

Community Identifier: http://vocab.nerc.ac.uk/collection/L05/current/311/

Generic Description:

All types of photographic equipment including stills, video, film and digital systems.

Parameters

Date and time formats are described in python strftime() syntax.

Supplied Name	Supplied description	Supplied Units	Standard Name
forcing	forcing regime	Hz	no_bcodmo_term
larval_vert_vel	mean instantaneous larval vertical velocity	cm/s	no_bcodmo_term
larval_flow	mean instantaneous flow velocity around larvae	cm/s	no_bcodmo_term
larv_swim_vel	larval vertical swimming velocity (vertical flow velocity local to larva subtracted from larval vertical velocity)	cm/s	no_bcodmo_term
flow_vertvel_diff	average flow substracted from larval vertical velocity	cm/s	no_bcodmo_term

Status message

Database

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Dataset: larval & local flow velocity in tubulence