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Deployment: W0505C

Deployment: 
W0505C
Chief Scientist: 
Barbara M. Hickey (University of Washington, UW)
Co-Chief Scientist: 
William T. Peterson (Oregon State University, OSU)
Synonyms: 
RISE05W2
RISE-2
RISE2W
WE0505C
we0505c
Coordinated Deployments: 
Platform:
Platform Type:
 vessel
Start Date: 
2005-05-29
End Date: 
2005-06-21
Location: 
Northeast Pacific, coastal waters off states of Washington and Oregon
Description

W0505C, RISE-2, RISE2W, RISE05W2

This cruise is the second of four cruises in the RISE program aboard the R/V Wecoma, which was charged with the task of conducting hydrographic surveys.

Cruise information and original data are available from the NSF R2R data catalog.

The R/V Pt. Sur, concurrently with this cruise on the R/V Wecoma, conducted studies of the Columbia R. plume frontal structure, mixing processes and a Triaxis survey of the shelf <60m deep.

Cruise Objectives: The purpose of this cruise was to make physical, chemical and biological measurements within the plume of the Columbia River and over the shelves north and south of the river mouth, with the objective of determining the effect of the river plume on regional productivity. Historical observations have shown that in spite of weaker upwelling winds the Washington shelf is more highly productive than much of the Oregon shelf. Comparative measurements of biological rates, chemical constituents including iron and other micro nutrients and plankton growth and grazing as well as community distributions were made in the three regions. These data complement data from three moored arrays deployed in the study area, data from a second ship, the R/V Pt. Sur, that focused on mixing rates and large scale physical, nitrate, fluorescence surveys as well as frontal processes, and data from remote sensing and model studies.

RISE-2 Figures:
Cruise Track
Stations and Moorings
Wind Events