2019 Juneau Icefield Research Program (JIRP) students during a four day and 83 kilometers ski traverse across Taku Glacier, carrying all their food, water, clothing, tents, and science gear as they help measure the mass balance along the way.
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Taku Glacier, Alaska retreat
2019 Juneau Icefield Research Program (JIRP) students during a four day and 83 kilometers ski traverse across Taku Glacier, carrying all their food, water, clothing, tents, and science gear as they help measure the mass balance along the way.
Tazlina River bridge
Tazlina River bridge
Kasilof River sonar on a bridge
Kasilof River sonar on a bridge
Kasilof River sonar on a bridge
A Common Murre holds a Pacific sand lance near Gull Island in Alaska
A Common Murre holds a Pacific sand lance near Gull Island in AlaskaNorthern Fulmars, Black-legged Kittiwakes, and Common Murres have all been tested for and contained harmful algal bloom (HAB) toxins. Since 2015, the USGS has worked with a variety of stakeholders to develop testing methods and research projects to better understand the geographic extent, timing and impacts of algal toxins in Alaska marine ecosystems.
A Common Murre holds a Pacific sand lance near Gull Island in Alaska
A Common Murre holds a Pacific sand lance near Gull Island in AlaskaNorthern Fulmars, Black-legged Kittiwakes, and Common Murres have all been tested for and contained harmful algal bloom (HAB) toxins. Since 2015, the USGS has worked with a variety of stakeholders to develop testing methods and research projects to better understand the geographic extent, timing and impacts of algal toxins in Alaska marine ecosystems.
Impounded water above beaver dam on the Wrench Creek
Impounded water above beaver dam on the Wrench CreekImpounded water above beaver dam on the Wrench Creek, Noatak National Preserve
Impounded water above beaver dam on the Wrench Creek
Impounded water above beaver dam on the Wrench CreekImpounded water above beaver dam on the Wrench Creek, Noatak National Preserve
Beaver lodge and drained impoundment in tributary of the Noatak River
Beaver lodge and drained impoundment in tributary of the Noatak RiverBeaver lodge and drained impoundment in tributary of the Noatak River, Noatak National Preserve
Beaver lodge and drained impoundment in tributary of the Noatak River
Beaver lodge and drained impoundment in tributary of the Noatak RiverBeaver lodge and drained impoundment in tributary of the Noatak River, Noatak National Preserve
Beaver dam and lodge on the Ahaliknak Creek, Noatak National Preserve
Beaver dam and lodge on the Ahaliknak Creek, Noatak National PreserveBeaver dam and lodge on the Ahaliknak Creek, Noatak National Preserve
Beaver dam and lodge on the Ahaliknak Creek, Noatak National Preserve
Beaver dam and lodge on the Ahaliknak Creek, Noatak National PreserveBeaver dam and lodge on the Ahaliknak Creek, Noatak National Preserve
Chilkat River sonar on a bridge
Chilkat River sonar on a bridge
Chilkat River sonar on a bridge
Chilkat River bridge
Chilkat River bridge
Kashwitna River bridge debris
Kashwitna River bridge debris
Kashwitna River bridge debris
Kashwitna River bridge
Kashwitna River bridge
Shublik Spring open water
Supporting the project of winter habitat of juvenile Dolly Varden in the Canning River.
Supporting the project of winter habitat of juvenile Dolly Varden in the Canning River.
Hole in the ice from an auger on Canning River
Supporting the project of winter habitat of juvenile Dolly Varden in the Canning River.
Supporting the project of winter habitat of juvenile Dolly Varden in the Canning River.
Minnow trap in icehole
Supporting the project of winter habitat of juvenile Dolly Varden in the Canning River.
Supporting the project of winter habitat of juvenile Dolly Varden in the Canning River.
Michael Carey and Vanessa von Biela on Canning River
Michael Carey and Vanessa von Biela on Canning RiverSupporting the project of winter habitat of juvenile Dolly Varden in the Canning River.
Michael Carey and Vanessa von Biela on Canning River
Michael Carey and Vanessa von Biela on Canning RiverSupporting the project of winter habitat of juvenile Dolly Varden in the Canning River.
Lowering minnow trap to fish
Supporting the project of winter habitat of juvenile Dolly Varden in the Canning River.
Supporting the project of winter habitat of juvenile Dolly Varden in the Canning River.
Canning River with bars
Supporting the project of winter habitat of juvenile Dolly Varden in the Canning River.
Supporting the project of winter habitat of juvenile Dolly Varden in the Canning River.
Canning River with bars view
Supporting the project of winter habitat of juvenile Dolly Varden in the Canning River.
Supporting the project of winter habitat of juvenile Dolly Varden in the Canning River.
Vanessa von Biela with cut bank at Canning River
Supporting the project of winter habitat of juvenile Dolly Varden in the Canning River.
Supporting the project of winter habitat of juvenile Dolly Varden in the Canning River.
Copper River sonar on a bridge
Copper River sonar on a bridge
Copper River sonar on a bridge
Canning River with Brooks Range in the background
Supporting the project of winter habitat of juvenile Dolly Varden in the Canning River.
Supporting the project of winter habitat of juvenile Dolly Varden in the Canning River.