1998a

Cruise Description The final of four seasonal cruises took place in the winter of 1998, an intermediate flow period. Sampling included one upriver series, 3 ebb and one flood series, and two spring and two neap series.
Vessels The R/V Wecoma, from the Collegeof Oceanic and Atmospheric Sciences at Oregon State University, was utilized for sedimentological, geochemical, microbial and ecological investigations. Geophysical investigations in 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	2/21/1998 - 2/22/1998
E11	Buoy 39, South Channel	2/22/1998 - 2/22/1998
E12	North Channel	2/23/1998 - 2/23/1998
F12	North Channel	2/23/1998 - 2/23/1998
S11	North Channel	2/24/1998 - 2/25/1998
S12	Buoy 39, South Channel	2/26/1998 - 2/27/1998
E13	Sand Island Channel	2/28/1998 - 2/28/1998
D11	Clatsop Spit	3/01/1998 - 3/02/1998
N11	North Channel	3/02/1998 - 3/04/1998
N12	Buoy 39, South Channel	3/04/1998 - 3/06/1998