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A stand-alone wave model application was constructed using the spectral wave model SWAN within the Delft3D4 (version 4.04.01) modeling system to simulate nearshore wave dynamics along the coast of...
Search relevance: 1.00 | Views last month: 20 | Catalog Last Checked: May 05, 2026 at 09:26 PM -
These unprojected (geographic coordinates) 3-Zone Average Annual Salinity Digital Geographies are based on analysis of long-term salinity data for 147 estuaries of the contiguous United States....
Search relevance: 1.00 | Views last month: 18 | Catalog Last Checked: June 28, 2026 at 07:37 PM -
A two-week field operation was conducted in the John Day Reservoir on the Columbia River to image the floor of the pool, to measure the distribution and thickness of post-impoundment sediment, and...
Search relevance: 1.00 | Views last month: 12 | Catalog Last Checked: May 05, 2026 at 10:03 PM -
The Willamette River Basin, Oregon, supports native fish species and non-native fish species introduced for sport fisheries or accidentally from aquarium releases and other sources. Based on fish...
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The goal of the tidal-fluvial estuary study is to determine the estuary's contribution to the spatial structure and life history diversity of Columbia River salmon stocks and the implications for...
Search relevance: 1.00 | Views last month: 11 | Catalog Last Checked: July 14, 2026 at 08:12 PM -
In May 2023, the U.S. Geological Survey provided training for bathymetric data acquisition and processing for the Iraq Ministry of Water Resources. The training included multibeam sonar theory,...
Search relevance: 1.00 | Views last month: 11 | Catalog Last Checked: May 05, 2026 at 09:09 PM -
In May 2023, the U.S. Geological Survey provided training for bathymetric data acquisition and processing for the Iraq Ministry of Water Resources. The training included multibeam sonar theory,...
Search relevance: 1.00 | Views last month: 11 | Catalog Last Checked: May 05, 2026 at 09:35 PM -
A two-week field operation was conducted in the John Day Reservoir on the Columbia River to image the floor of the pool, to measure the distribution and thickness of post-impoundment sediment, and...
Search relevance: 1.00 | Views last month: 10 | Catalog Last Checked: May 05, 2026 at 10:18 PM -
A two-week field operation was conducted in the John Day Reservoir on the Columbia River to image the floor of the pool, to measure the distribution and thickness of post-impoundment sediment, and...
Search relevance: 1.00 | Views last month: 10 | Catalog Last Checked: May 05, 2026 at 09:40 PM -
This data release contains cyanotoxin concentrations for microcystins, cylindrospermopsins, anatoxins, and saxitoxins assessed using Enzyme-Linked Immunosorbent Assays (ELISA) on 363 samples...
Search relevance: 1.00 | Views last month: 10 | Catalog Last Checked: May 05, 2026 at 09:00 PM -
Two 21-day field operations were conducted in 1997 and 1998 in the estuaries and on the inner continental shelf off the northern Oregon and southern Washington coast. These cruises aboard the R/V...
Search relevance: 1.00 | Views last month: 9 | Catalog Last Checked: May 05, 2026 at 09:44 PM -
The Federal Columbia River Power Supply (FCRPS) Biological Opinion (BiOp) calls for studies that estimate ecological and genetic impacts of hatchery fish on wild populations, and evaluate the...
Search relevance: 1.00 | Views last month: 9 | Catalog Last Checked: July 14, 2026 at 08:12 PM -
A two-week field operation was conducted in the John Day Reservoir on the Columbia River to image the floor of the pool, to measure the distribution and thickness of post-impoundment sediment, and...
Search relevance: 1.00 | Views last month: 9 | Catalog Last Checked: May 05, 2026 at 10:02 PM -
In May 2023, the U.S. Geological Survey provided training for bathymetric data acquisition and processing for the Iraq Ministry of Water Resources. The training included multibeam sonar theory,...
Search relevance: 1.00 | Views last month: 9 | Catalog Last Checked: May 05, 2026 at 09:48 PM -
A two-week field operation was conducted in the John Day Reservoir on the Columbia River to image the floor of the pool, to measure the distribution and thickness of post-impoundment sediment, and...
Search relevance: 1.00 | Views last month: 9 | Catalog Last Checked: May 05, 2026 at 08:04 PM -
This project addresses how to expand the current fish-tracking technologies to enable the fisheries community to successfully carry out the actions, research, and monitoring activities outlined in...
Search relevance: 1.00 | Views last month: 8 | Catalog Last Checked: July 14, 2026 at 08:11 PM -
The goal of the tidal-fluvial estuary study is to determine the estuary's contribution to the spatial structure and life history diversity of Columbia River salmon stocks and the implications for...
Search relevance: 1.00 | Views last month: 8 | Catalog Last Checked: July 14, 2026 at 08:10 PM -
Aquatic invasive species are often transported between water bodies on boats or boat trailers. Thus, contaminated boats and boat trailers are considered one of the primary vectors for introduction...
Search relevance: 1.00 | Views last month: 8 | Catalog Last Checked: May 05, 2026 at 09:20 PM -
This dataset contains concentrations of 25 organochlorine pesticides, 6 industrial or personal care products, 6 polybrominated diphenyl ether (PBDE) flame retardant congeners, and 15...
Search relevance: 1.00 | Views last month: 8 | Catalog Last Checked: May 05, 2026 at 08:13 PM -
Two 21-day field operations were conducted in 1997 and 1998 in the estuaries and on the inner continental shelf off the northern Oregon and southern Washington coast. These cruises aboard the R/V...
Search relevance: 1.00 | Views last month: 8 | Catalog Last Checked: May 05, 2026 at 08:27 PM
