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Tracking the advance of Crater Glacier at Mount St. Helens, Washing...

Tracking the advance of Crater Glacier at Mount St. Helens, WA

Information regarding volume and rates of advance for the crevassed Crater Glacier at Mount St. Helens, Washington, are extracted from Digital Elevation Models created from aerial photography. The red line shows the extent of Crater Glacier in 2012. Since 2012, the glacier has advanced about 50 m (160 ft) down the Loowit channel.

Collage of photos with words and some logos over the top.
June 13, 2018

Storm-driven Coastal Flooding in Puget Sound

Introduction to a new study on storm-driven coastal flooding in Puget Sound, by USGS geologist Patrick Barnard.
12.4 MB PDF

Digital Elevation Map of Mount St. Helens with annotation of pre-19...

Digital Elevation Map of Mount St. Helens with annotation of pre-19...

This shaded relief image was produced from LIDAR data. LIDAR is an acronym for Light Detection and Ranging, a modern remote sensing technique used to map topography very accurately—more so than is possible with older techniques. The crater is 1.2 miles (1.9 km) wide east-west. Elsewhere the scale varies owing to the oblique viewing angle. The landslide deposit includes

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Graphic has a title, a list of talking points along the left, and a graphic to show water flowing from sources.
June 13, 2018

Coastal Squeeze in Puget Sound

Introduction to a USGS study in Puget Sound titled, Coastal Squeeze—A Framwork for Understanding Changing Coastal Flood Hazards and Risk. Describes watershed drivers and coastal drivers that contribute to more severe, frequent flooding.
12.5 MB PDF

Quantitative Culture for Rs Image 1Thumb
September 4, 2018

WFRC BACT1 Quantitative Culture for Renibacterium salmoninarum (pdf)

Title: Culture of Renibacterium salmoninarum from Tissues and Ovarian Fluid

Number: BACT-1

Version: 01 Created April 19, 2011

Purpose: Culture of Renibacterium salmoninarum in fish tissues or ovarian fluids

Western Fisheries Science News, May 2019 | Issue 7.5
May 28, 2019

Western Fisheries Science News, May 2019 | Issue 7.5 (pdf)

Western Fisheries Science News, May 2019 | Issue 7.5

Graphic has a photo and a model output map with lettering and logos pasted on top.
June 13, 2018

Puget Sound CoSMoS Approach

Introduction to the approach to the Puget Sound Coastal Storm Modeling System study, by USGS geologist Patrick Barnard.
22.1 MB PDF

ELISA for Renibacterium salmoninarum Thumb
September 4, 2018

WFRC BACT2 ELISA for Renibacterium salmoninarum (pdf)

Title: Double polyclonal enzyme-linked immunosorbent assay (ELISA) for the detection of Renibacterium salmonarium

Number: BACT-2

Version: 02

Purpose: To detect Renibacterium salmoninarum soluble antigen in fish tissues or fluids

Small phreatic eruption of Mount St. Helens in the spring of 1980, ...

Small phreatic eruption of Mount St. Helens in the spring of 1980, ...

Small phreatic eruption of Mount St. Helens in the spring of 1980, before the May 18, 1980 blast.

Bar across the top is a photo of a boat on water with USGS lettering on top corner, sample questions and answers printed below.
June 13, 2018

PS-CoSMoS Q and A

Questions and answers about the USGS Puget Sound Coastal Storm Modeling System study.
1.5 MB PDF