Research and Monitoring

HFF BLOGS

Scroll through to read the most recent HFF Blogs and articles. Or click on the keywords at the top of the page to sort blogs and articles by topic.

Jamie Powell

Jan 12

Top 10 for 2022

At the end of each year, the Henry's Fork Foundation (HFF) takes a moment to reflect back on some memorable events and accomplishments...

63 views

The Year 2022 in Review: Can you say "cold, wet spring?"

Rob Van Kirk

Jan 3

The Year 2022 in Review: Can you say "cold, wet spring?"

A cool, rainy sunset at Vernon Bridge in May. Climate. Peak snow water equivalent (SWE) was 71% of average and 3rd lowest in the...

98 views

Harmful Algal Blooms and Island Park Reservoir

Jamie Powell

Oct 28, 2022

Harmful Algal Blooms and Island Park Reservoir

A recent Hatch Magazine article discussed the occurrence of harmful algal blooms (HABs) or cyanobacteria in Henrys Lake primarily, but...

126 views

When does the river freeze in winter and does ice affect trout?

Jamie Powell

Oct 27, 2022

When does the river freeze in winter and does ice affect trout?

This information was first published in an HFF blog by Christina Morrisett and Rob Van Kirk in 2015. When does the river freeze? As far...

181 views

Jamie Powell

Oct 12, 2022

Programs and Impacts -- 2022

We continue to try to share as much information as possible in as many ways as possible, to try to reach everyone who might be...

86 views

Changes to Lower River Management Benefit Upper River

Christina Morrisett

Oct 6, 2022

Changes to Lower River Management Benefit Upper River

Highlights: The lower river between St. Anthony and Parker is an important summer management lever for Island Park Reservoir. The Drought...

93 views

Water Year 2022 Summary: Island Park Reservoir Management

Rob Van Kirk

Oct 5, 2022

Water Year 2022 Summary: Island Park Reservoir Management

Headlines: Winter inflow to Island Park Reservoir was the second lowest in the 1934-2022 record, but the outflow of 220 cfs was higher...

7 views

Water Year 2022 Summary: Natural Streamflow

Rob Van Kirk

Oct 3, 2022

Water Year 2022 Summary: Natural Streamflow

Headlines: Natural streamflow was 72% of average, ranking as the driest year in the 1978-2022 record. By subwatershed, natural flow was...

3 views

Rob Van Kirk

Oct 2, 2022

Water Year 2022 Summary: Climate

Headlines: Peak snow water equivalent (SWE) was 71% of average and 3rd lowest in the 1989-2022 record, but SWE peaked on April 24, 12...

4 views

Jamie Powell

Sep 14, 2022

Why has turbidity been high this year?

The short answer: A record cold spring, followed by extreme heat and record dry conditions contributed to a need for high outflow from...

33 views

Major weather change brings potential for sediment delivery at Island Park Dam

Rob Van Kirk

Sep 8, 2022

Major weather change brings potential for sediment delivery at Island Park Dam

A major weather pattern change away from recent record-breaking heat to more seasonable early-autumn conditions brings with it the...

50 views

Frequently Asked Questions: Turbidity in Island Park Reservoir Outflow

Rob Van Kirk

Aug 11, 2022

Frequently Asked Questions: Turbidity in Island Park Reservoir Outflow

Why is turbidity higher when flow comes out of the gates? Two dam outflow points: 1) original dam gates and 2) power plant siphon Gates...

110 views

How Drought Affects the Henry's Fork: A unique case among western rivers

Jamie Powell

May 3, 2022

How Drought Affects the Henry's Fork: A unique case among western rivers

What is the state of the drought in the Henry’s Fork Watershed? As of early April, water year precipitation sat at 79% of average (21%...

338 views

The Upper Henry’s Fork Project: bottlenecks limiting fish populations

Jack McLaren

Mar 4, 2022

The Upper Henry’s Fork Project: bottlenecks limiting fish populations

This is the second blog in a series about research activity in the Upper Henry’s Fork. Click here for part 1 and stay tuned for the next...

661 views

The Upper Henry’s Fork Project: uncovering the diamond in plain sight

Jack McLaren

Feb 4, 2022

The Upper Henry’s Fork Project: uncovering the diamond in plain sight

Background: Since 2018, PhD student Jack McLaren (that’s me!) has been working with the Foundation to understand what restricts fisheries...

386 views

Jamie Powell

Jan 19, 2022

HFF's Top 10 for 2021

At the end of each year, the Henry's Fork Foundation (HFF) takes a moment to reflect back on some memorable events and accomplishments...

190 views

Henry's Fork Macroinvertebrate Monitoring, 2020 & 2021

Bryce Oldemeyer

Jan 13, 2022

Henry's Fork Macroinvertebrate Monitoring, 2020 & 2021

Highlights In 2020, HFF staff were unable to collect macroinvertebrate samples at Ashton, Ora, and St. Anthony due to Covid-19. HFF staff...

213 views

November Water Summary and Winter Strategy at Island Park Dam

Rob Van Kirk

Dec 1, 2021

November Water Summary and Winter Strategy at Island Park Dam

Headlines: The month of November was very warm but well short of the record. Precipitation for the month was 16% below average but is 8%...

112 views

South Fork Snake River Macroinvertebrate Study, 2020 & 2021

Bryce Oldemeyer

Aug 25, 2021

South Fork Snake River Macroinvertebrate Study, 2020 & 2021

Highlights 2021 is our third year of long-term monitoring of aquatic macroinvertebrates (insects and other creatures that live in the...

355 views

Andrea Holt

Aug 11, 2021

A Geographic Journey

I love historical dramas, especially ones that include exploration scenes of people on ships sailing across oceans, looking for new lands...

75 views

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