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Streamgage Maine
A rainbow over the USGS streamflow station gage house
A rainbow over the USGS streamflow station gage house
A rainbow over the USGS streamflow station gage house

A rainbow over the USGS streamflow station gage house at the outlet of Bass Harbor Marsh in Maine (monitoring location 010228955).

Image: Rainbow over Bass Harbor Marsh
Rainbow over Bass Harbor Marsh
Rainbow over Bass Harbor Marsh
Rainbow over Bass Harbor Marsh

On October 6, 2011 USGS staff were visiting their streamflow station at the outlet of Bass Harbor Marsh and snapped this photo of a rainbow over the gage house.

Image: Ice Formations
Ice Formations
Ice Formations
Ice Formations

A columnar ice spike is observed developing between the ice mounds and weir at Apple Creek. Flow is 20.5 cubic feet per second.

A columnar ice spike is observed developing between the ice mounds and weir at Apple Creek. Flow is 20.5 cubic feet per second.

Image: Ice Spike
Ice Spike
Ice Spike
Ice Spike

Marker (3' 10") stands next to ice spike at Apple Creek near Menoken, North Dakota.

Marker (3' 10") stands next to ice spike at Apple Creek near Menoken, North Dakota.

Image: Methane bubbles trapped in thermokarst lake ice
Methane bubbles trapped in thermokarst lake ice
Methane bubbles trapped in thermokarst lake ice
Methane bubbles trapped in thermokarst lake ice

When ice-rich permafrost thaws, former tundra and forest turns into a thermokarst lake as the ground subsides. The carbon stored in the formerly frozen ground is consumed by the microbial community, who release methane gas. When lake ice forms in the winter, methane gas bubbles are trapped in the ice.

When ice-rich permafrost thaws, former tundra and forest turns into a thermokarst lake as the ground subsides. The carbon stored in the formerly frozen ground is consumed by the microbial community, who release methane gas. When lake ice forms in the winter, methane gas bubbles are trapped in the ice.

Image: Winter Snows in Canada's Forests and Mountains
Winter Snows in Canada's Forests and Mountains
Winter Snows in Canada's Forests and Mountains
Winter Snows in Canada's Forests and Mountains

First snowfall of the coming winter in the mountains of Western Canada.

Image: Winter Snows in Canada's Forests and Mountains
Winter Snows in Canada's Forests and Mountains
Winter Snows in Canada's Forests and Mountains
Winter Snows in Canada's Forests and Mountains

First snowfall of the coming winter in the mountains of Western Canada.

Image: Autumn Aspens, Mountains, and Evergreens
Autumn Aspens, Mountains, and Evergreens
Autumn Aspens, Mountains, and Evergreens
Autumn Aspens, Mountains, and Evergreens

Aspens, larches, and a coniferous forest in the Canadian Rockies.

Image: Winter Snows in Canada's Forests and Mountains
Winter Snows in Canada's Forests and Mountains
Winter Snows in Canada's Forests and Mountains
Image: Winter Snows in Canada
Winter Snows in Canada
Winter Snows in Canada
Winter Snows in Canada

First snowfall of the coming winter in the mountains of Western Canada.

First snowfall of the coming winter in the mountains of Western Canada.

Image: Winter Snows in Canada's Forests and Mountains
Winter Snows in Canada's Forests and Mountains
Winter Snows in Canada's Forests and Mountains
Winter Snows in Canada's Forests and Mountains

First snowfall of the coming winter in the mountains of Western Canada.

Image: Winter Snows in Canada's Forests and Mountains
Winter Snows in Canada's Forests and Mountains
Winter Snows in Canada's Forests and Mountains
Winter Snows in Canada's Forests and Mountains

Snow-capped ridge in the mountains of Western Canada surrounded by coniferous forest.

Image: Autumn Colors and Canadian Larches
Autumn Colors and Canadian Larches
Autumn Colors and Canadian Larches
Autumn Colors and Canadian Larches

Autumn foliage on a rocky slope of the Canadian Rockies.

Image: Conifers, Mtns, and Geology in Western Canada
Conifers, Mtns, and Geology in Western Canada
Conifers, Mtns, and Geology in Western Canada
Conifers, Mtns, and Geology in Western Canada

Clouds, conifers, and geology in the Rocky Mountains of Western Canada.

Image: Conifers, Mountains, and Geology in Western Canada
Conifers, Mountains, and Geology in Western Canada
Conifers, Mountains, and Geology in Western Canada
Image: Autumn in the Canadian Rockies
Autumn in the Canadian Rockies
Autumn in the Canadian Rockies
Autumn in the Canadian Rockies

Autumn foliage around a lake in the Rocky Mountains of Canada.

Image: Autumn Colors Beside a Canadian Lake
Autumn Colors Beside a Canadian Lake
Autumn Colors Beside a Canadian Lake
Autumn Colors Beside a Canadian Lake

Lake in the Canadian Rockies surrounded by autumn foliage.

Image: Autumn Colors Beside a Mountain Lake
Autumn Colors Beside a Mountain Lake
Autumn Colors Beside a Mountain Lake
Autumn Colors Beside a Mountain Lake

Lake in the Canadian Rockies surrounded by autumn foliage.

Image: Autumn Foliage in the Canadian Rockies
Autumn Foliage in the Canadian Rockies
Autumn Foliage in the Canadian Rockies
Autumn Foliage in the Canadian Rockies

Lakeside trail in the Canadian Rockies surrounded by autumn foliage.

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