The Massachusetts Bay Internal Wave Experiment, August 1998: Data Report

Table 2. Sampling schemes for instruments in Massachusetts Bay Internal Wave Experiment

Site

Mooring type

Instrument type

Sampling

interval

Variables and sampling scheme

A

Surface

Seacat

60 s

T, C, one sample every 60 s

B

Surface

tpod

120 sec

T, one sample every 120 s

B

Subsurface

tpod

120 s

T, one sample every 120 s

B

Subsurface

VMCM

60 s

V, vector-average every 60 s;

T, one sample at end of interval

B

Subsurface

FSI

90 s

V, vector-averaged at? Hz every 90 s;

T, one sample at ? of interval

B

Subsurface

Tide

60 s

T, P ??

B

Horizontal

FSI

90 s

V, average at ? Hz every 90 s;

T, one sample at ? of interval

B

Horizontal

SBE

15 s

T, one sample every 15 s

B

Horizontal

Microcat

15 s

T, C, one sample every 15 s

B

Horizontal

tpod

120 s

T, one sample every 240 s

B

Tripod

ADCP

60 s

V, average of 60 one-second pings every 60 s in 2 m bins

B

Tripod

MIDAS

60 s

V and P, 60 s averages at .5 Hz;

T, C and Tr, single sample every 60 s in center of interval

C

Surface

Microcat

15 s

T, C, one sample every 15 s

C

Subsurface

Microcat

15 s

T, C, one sample of every 15 s

C

Subsurface

SeaCat

50 s

T, C, and Tr, one sample of every 50 s

C

Tripod

ADCP

60 s

V, average of 60 one-second pings every 60 s in 2 m bins.

C

Tripod

Camera

1 hour



Single picture

Variables Key:C = Conductivity; P = Pressure; T = Temperature; Tr = Light transmission; V = Current velocity.

Instrument Key:ADCP = Acoustic Doppler current Profiler; Camera = Benthos 35 mm camera; FSI = Falmouth Scientific, Inc.; MIDAS = USGS Multiparameter Intelligent Data Logging System; SBE = Sea Bird Electronics; tpod = ; VMCM = Vector Measuring Current Meter

Back to Field Experiment