A computational fluid dynamics (CFD) model—an advanced computer simulation of fluid behavior—depicts water temperature changes surrounding the new bubbler. The red areas indicate high temperatures, while the cooler blue and green colors cluster near the south Ladder Exit and south Diffuser Intake. These cooler temperatures are highly preferred by cold-water species like salmon migrating through the fish ladders.
Models provided by: Brock Winegar, hydraulic engineer with the Walla Walla District
| Date Taken: | 06.12.2026 |
| Date Posted: | 06.29.2026 11:41 |
| Photo ID: | 9768360 |
| VIRIN: | 260612-A-GA333-1001 |
| Resolution: | 581x513 |
| Size: | 75.04 KB |
| Location: | UMATILLA, OREGON, US |
| Web Views: | 5 |
| Downloads: | 2 |
This work, USACE innovations increase fish survivability on the Snake and Columbia rivers [Image 4 of 4], by Elijah Wittum, identified by DVIDS, must comply with the restrictions shown on https://www.dvidshub.net/about/copyright.
USACE innovations increase fish survivability on the Snake and Columbia rivers
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