These before - and - after photographs show Petermann Glacier in July 2009,
before the calving event, and again in...
The iceberg weighs more than a trillion tonnes (1,000,000,000,000 metric tonnes), but it was already floating
before it calved away so has no immediate impact on sea level.
Not exact matches
At the Ohio State Agricultural Research and Development Center in Wooster, immunologist Douglas Hodgins inoculated cows with a recombinant synthetic rotavirus vaccine a week
before their expected
calving date.
«With this large
calving event, and the availability of satellite technology, we have a fantastic opportunity to watch this natural experiment unfolding
before our eyes.
Scientists have documented this transition
before: In 2002, a Rhode Island sized chunk of ice
calved from a different ice shelf, Larsen B, along the Antarctic Peninsula (SN: 10/18/14, p. 9).
The iceberg, which is likely to be named A68, was already floating
before it broke away so there is no immediate impact on sea levels, but the
calving has left the Larsen C ice shelf reduced in area by more than 12 percent.
Further south, Albany's rugged coastline makes another scenic grandstand as the southern right whales take shelter in Albany's bays to mate and
calve before returning south.
Hike in one of the many national parks, flightsee a remote area of the state, fish in the crystal clear rivers, or take a boat tour to marvel at a
calving glacier
before they all melt away.
Also, the new Alaska kayak trip allows us to approach the face of
calving glaciers much closer than ever
before, and has hiking trails that lead up above the glaciers for spectacular views.
These amazing cetaceans will enjoy the warmer water of the Great Barrier Reef to
calve and mate
before returning on their 10,000 km round trip back to the feeding grounds of Antarctica.
«As ice shelves continuously lose ice by
calving, it is essential to know how far the recession of ice shelves may progress
before buttressing potential is reduced.»
Before we had GRACE satellite measurements, the consensus was that the Antarctic would be in mass balance for a long time, with increased iceberg
calving offset by increased snowfall in the interior.