Category Archives: Arctic Cruise 2012

Water, Ikaite, and Ocean Acidification Team Return to Tampa

The team has arrived back in the Tampa Bay area from Alaska. They brought a few water samples and ikaite back with them. The rest of the samples will remain on the Healy until they are shipped back to Tampa … Continue reading

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Packing up the Lab

As the cruise came to a close, the USGS Ocean Acidification team packed up the lab for transport back to Florida. The equipment had to be placed on pallets, tightly wrapped, and secured to avoid any damage during travel. The … Continue reading

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Dredging: Now the Fun Begins in the Lab!

A dredge is a tool used by marine scientists to take samples of rocks and sediment from the ocean floor. During the course of our cruise, five different locations were dredged for rocks- Not only rocks came up in the … Continue reading

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Oozing with Possibilities!

Calcareous ooze covers approximately 48% of deep ocean basins (Garrison, 2012).  It primarily consists of calcareous planktonic organisms such as foraminifera, pteropods, and coccolithophores in a matrix of clay and silt. Calcareous ooze is named for the calcium carbonate rich … Continue reading

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Community Observers

The Inuit or Inupiat are the native peoples of the Arctic Circle that live from Greenland, throughout Canada to Alaska.  Mabel Smith is an Inuit from Barrow, Alaska. On the Healy,  she is serving as a community observer.  According to the … Continue reading

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Ikaite – Unlocking the Secrets of a Rare and Unstable Mineral

The polar oceans stretching around our planet’s poles are permanently or temporarily covered with sea-ice. Because seawater has a higher salinity compared to freshwater, its freezing only begins when water temperature is approximately -3 to -4ºC (minus 3ºC to minus … Continue reading

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All About the Healy!

The USCGC Healy is the largest non-nuclear ice breaker in the world.  It can break ice as thick at 4 1/2 feet continuously at a speed of three knots.  According to the Healy’s website, the ship can accommodate up to … Continue reading

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Sliding on Thin Ice: Another Polar Bear Sighting!

This polar bear was sighted on Saturday, September 15th from the Healy. The polar bear was observed having trouble walking on the thin ice.  The bear’s paws were breaking through the ice,  so it got on it’s belly, distributed the … Continue reading

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Dr. John Hall and Early Arctic Ocean Bottom Photos

 In 1957, the first photos of the Arctic Ocean bottom were taken from a scientific outpost, Drifting Station Alpha, and were published by Hunkins et.al. in 1960.  Dr. John Hall was on another drifting scientific station, T-3 (also known as Fletcher’s Ice … Continue reading

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From Rosette to Lab: Journey of a Water Sample

The rosette is one of the the water sampling devices used by the USGS Ocean Acidification Research team. It is a set of 24 sampling bottles called Niskin bottles that are connected to a frame that is lowered to the … Continue reading

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Temperature Profile Buoy Deployed

In addition to our USGS Ocean Acidification Research Team, there are several other scientific teams and individual scientists currently conducting research on the Healy. One such scientist is Dr. Pablo Clemente-Colon who is currently the Chief Scientist of the National … Continue reading

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Under Pressure: Shrinking Heads

Hydrostatic pressure increases with depth in the ocean. At sea level, the pressure is 1 bar or 14.7 pounds per square inch (PSI).  With depth, the pressure increases by about 1 bar per 10 meters. Human bodies are not built … Continue reading

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Polar Bear Sighting on Labor Day

Today a polar bear was sighted about a mile away from the USCGC Healy. The bear was spotted when the Healy was traveling through thicker ice at approximately 82°40’ 46” N Latitude and 174°34’ 57” W Longitude.  According to the U.S. Fish … Continue reading

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Quonset Huts and a Snowy Owl: The Night Before the Cruise

The team stayed overnight in quonset huts at the Barrow Arctic Science Consortium (BASC).  Quonset huts are arched, lightweight buildings that are usually made of galvanized steel.  The huts proved to be very comfortable accommodations including a large living room, … Continue reading

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Update from the Arctic

The USGS 2012 Arctic Cruise is underway. The lab is up and running. The team has been collecting data from the beginning of the cruise and the first rosette water samples were taken on Monday (August 27th). The Healyis running … Continue reading

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Boarding Day! Helicopter flight to the ship.

After spending the night in Barrow, the research team headed to the Search and Rescue building in Barrow.  They put on survival gear and boarded helicopters to be flown out to the USCGC Healy.  More photos and boarding day information … Continue reading

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Rest of Team Arrives, Tour of the Barrow Area, and Interview by Swedish Television

The beautiful weather today was perfect for exploring the areas surrounding Barrow including the northern most point in the United States and a whale bone arch.   Dr. Lisa Robbins saw grey whales offshore and was interviewed by Benny Erikson, … Continue reading

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Barrow, Alaska – On Top of the World

After many hours of travel, Dr. Lisa Robbins has finally arrived at Wiley Scott/Will Rogers Memorial Airport to a chilly Barrow, Alaska.   Upon arrival, she found shipmate Monica Price was already in town. Lisa and Monica enjoyed some time … Continue reading

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Traveling to Barrow, Alaska

  The USGS office in St. Petersburg, Florida is over 4,000 miles from Barrow, Alaska. The distance did not stop Ocean Acidification Research team member Dr. Lisa Robbins from boarding a plane in Tampa, Florida on August 22, 2012 for … Continue reading

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Loading Supplies on the Healy

USGS scientific team member Paul Knorr traveled to Seattle, Washington to load supplies for the research cruise on to the USCGC Healy.  In the week prior, the supplies traveled by truck across the United States from St. Petersburg, Florida to … Continue reading

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Arctic Cruise 2012

On August 25, 2012, a team of scientists from the U.S. Geological Survey (USGS) St. Petersburg Coastal and Marine Science Center, Woods Hole Science Center, and the University of South Florida (USF) will board the USCGC Healy in Barrow, Alaska, … Continue reading

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