Untitled Document

1991

Cruise Description

The 1991 CRETM-LMER research cruise was a 28 day trip that took place in the summer, the high-flow period for the Columbia River.

Vessels

Sedimentological, geochemical, microbial and ecological investigations were based from aboard the R/V Robert Gordon Sproul, a research vessel from Scripps Oceanographic Institute in San Diego, CA.

Geophysical investigations in 1991 were conducted from the R/V Clifford Barnes, a research vessel from the University of Washington's School of Oceanography in Seattle, WA.

Coding explanation for sampling series:

Letter Code: U upstream; D downstream; N neap tide; S spring tide
First Digit: Tidal Series
Second Digit: Sequence in Tidal Series

Example: U11 refers to the first sequence in the first upstream tidal series.

Sampling Series
Sampling Series Locations
Dates

U11
River Mile 53, Beaver Dock 7/06/1991 - 7/06/1991

S11
East Mooring Basin 7/09/1991 - 7/09/1991

S12
East Mooring Basin 7/10/1991 - 7/10/1991

S13
Mid-Estuary, Buoy 39 7/11/1991 - 7/12/1991

S14
Cathlamet Bay, North Channel 7/13/1991 - 7/13/1991

N11
North Channel 7/15/1991 - 7/15/1991

N12
North Channel 7/16/1991 - 7/16/1991

N13
Clatsop Spit 7/17/1991 - 7/17/1991

N14
Astoria Dock 7/18/1991 - 7/19/1991

N15
Mid-Estuary, Buoy 39 7/19/1991 - 7/20/1991

S21
Sand Island Channel 7/21/1991 - 7/21/1991

S22
Young's Bay 7/22/1991 - 7/23/1991

S23
Sand Island Channel 7/23/1991 - 7/24/1991

S24
North Channel 7/25/1991 - 7/26/1991

N21
Clatsop Spit 7/28/1991 - 7/28/1991

N22
North Channel 7/29/1991 - 7/29/1991

N23
North Channel 7/30/1991 - 7/31/1991

U21
River Mile 53, Beaver Dock 8/01/1991 - 8/02/1991

Cruise Description The 1991 CRETM-LMER research cruise was a 28 day trip that took place in the summer, the high-flow period for the Columbia River.
Vessels Sedimentological, geochemical, microbial and ecological investigations were based from aboard the R/V Robert Gordon Sproul, a research vessel from Scripps Oceanographic Institute in San Diego, CA. Geophysical investigations in 1991 were conducted from the R/V Clifford Barnes, a research vessel from the University of Washington's School of Oceanography in Seattle, WA.
Coding explanation for sampling series: Letter Code: U upstream; D downstream; N neap tide; S spring tide First Digit: Tidal Series Second Digit: Sequence in Tidal Series Example: U11 refers to the first sequence in the first upstream tidal series.



Sampling Series	Sampling Series Locations	Dates
U11	River Mile 53, Beaver Dock	7/06/1991 - 7/06/1991
S11	East Mooring Basin	7/09/1991 - 7/09/1991
S12	East Mooring Basin	7/10/1991 - 7/10/1991
S13	Mid-Estuary, Buoy 39	7/11/1991 - 7/12/1991
S14	Cathlamet Bay, North Channel	7/13/1991 - 7/13/1991
N11	North Channel	7/15/1991 - 7/15/1991
N12	North Channel	7/16/1991 - 7/16/1991
N13	Clatsop Spit	7/17/1991 - 7/17/1991
N14	Astoria Dock	7/18/1991 - 7/19/1991
N15	Mid-Estuary, Buoy 39	7/19/1991 - 7/20/1991
S21	Sand Island Channel	7/21/1991 - 7/21/1991
S22	Young's Bay	7/22/1991 - 7/23/1991
S23	Sand Island Channel	7/23/1991 - 7/24/1991
S24	North Channel	7/25/1991 - 7/26/1991
N21	Clatsop Spit	7/28/1991 - 7/28/1991
N22	North Channel	7/29/1991 - 7/29/1991
N23	North Channel	7/30/1991 - 7/31/1991
U21	River Mile 53, Beaver Dock	8/01/1991 - 8/02/1991