Found 155 datasets matching "willamette".
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Wetland Priority Sites for the Willamette Valley Basin, Version 20090812 (Aug 12, 2009) Oregon Natural Heritage Information Center and The Wetlands Conservancy (TWC) have created a GIS layer for...
Search relevance: 126.78 | Views last month: 2 -
Continuous water-temperature data were collected at multiple sites along the Middle Fork and mainstem Willamette Rivers between Jasper and Newberg, Oregon, to support effectiveness monitoring for...
Search relevance: 124.48 | Views last month: 0 -
The active channel of the Willamette River in western Oregon is the portion of the floodplain that regularly conveys water and bed-material sediment (typically sand and gravel) on an annual basis...
Search relevance: 122.57 | Views last month: 1 -
The active channel of the Willamette River in western Oregon is the portion of the floodplain that regularly conveys water and bed-material sediment (typically sand and gravel) on an annual basis...
Search relevance: 122.22 | Views last month: 0 -
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...
Search relevance: 121.72 | Views last month: 0 -
Continuous water temperature data were collected at multiple sites along the Middle Fork and mainstem Willamette Rivers between Jasper and Newberg, Oregon, to support effectiveness monitoring for...
Search relevance: 120.93 | Views last month: 0 -
The Willamette Lowland basin-fill aquifers (hereinafter referred to as the Willamette aquifer) is located in Oregon and in southern Washington. The aquifer is composed of unconsolidated deposits...
Search relevance: 119.84 | Views last month: 0 -
This polygon layer contains a spatial representation of a geographic area that is designated as a Groundwater Management Area for the Southern Willamette Valley in Oregon.
Search relevance: 118.01 | Views last month: 0 -
This data release contains plankton sampling results collected in the Willamette River in Portland, Oregon. The data release will be updated with new results as they are collected. The samples in...
Search relevance: 117.78 | Views last month: 0 -
The Willamette Valley Project (WVP) is a system of revetments, fish hatcheries, and 13 dams in the Willamette Basin of northwestern Oregon that is operated by the U.S. Army Corps of Engineers to...
Search relevance: 117.57 | Views last month: 0 -
The Middle Fork Willamette River Basin encompasses 3,548 square kilometers of western Oregon and drains to the mainstem Willamette River. Fall Creek Basin encompasses 653 square kilometers and...
Search relevance: 117.02 | Views last month: 1 -
Comma-separated values (.csv) file containing data related to mercury concentrations in dragonfly samples from the Willamette River Basin collected in 2023.
Search relevance: 112.48 | Views last month: 1 -
To meet their permit requirements under the water-temperature Total Maximum Daily Load for the Willamette River, Oregon Association of Clean Water Agencies members need to understand the potential...
Search relevance: 109.28 | Views last month: 0 -
Continuous water temperature data were collected at multiple sites along the Middle Fork and mainstem Willamette Rivers between Jasper and Newberg, Oregon, to support effectiveness monitoring for...
Search relevance: 107.37 | Views last month: 0 -
Since 2008, large-scale restoration programs have been implemented along the Willamette River, Oregon, to address historical losses of floodplain habitats for native fish. For much of the...
Search relevance: 106.82 | Views last month: 1 -
This dataset contains two-dimensional hydraulic models throughout the Willamette River, extending from the McKenzie River confluence, near Eugene, to the city of Newberg. The study reach is...
Search relevance: 106.76 | Views last month: 0 -
In the Willamette River Basin in northwestern Oregon, stream temperature has been altered by 13 dams operated by the U.S. Army Corps of Engineers (USACE), negatively influencing threatened...
Search relevance: 106.48 | Views last month: 0 -
The floodplains of the Willamette River and its major tributaries in western Oregon comprise a diverse array of natural and human-modified features that collectively support a wide range of...
Search relevance: 106.25 | Views last month: 0 -
This feature class represents inundated area for the Coast Fork of the Willamette River, the Row River and Silk Creek (west of Cottage Grove, OR) for eight different flows at the gage Willamette...
Search relevance: 106.00 | Views last month: 0 -
Continuous water-temperature data were collected at multiple sites along the Middle Fork and mainstem Willamette Rivers between Jasper and Newberg, Oregon, to support effectiveness monitoring for...
Search relevance: 105.80 | Views last month: 0
