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GEOPHYSICAL RESEARCH LETTERS,
VOL. 30,
1836,
4 PP., 2003
doi:10.1029/2003GL017721
Impact of iceberg C-19 on Ross Sea primary production
Dept. of Geophysics, Stanford Univ., Stanford, California, USA
Dept. of Geophysics, Stanford Univ., Stanford, California, USA
For the second time in 26 months, a large iceberg (C-19) calved off the face of the Ross Ice Shelf. Rather than breaking up, as did its predecessor B-15, the iceberg C-19 remained largely intact, eventually stopping temporarily near Pennell Bank before moving out of the southwestern Ross Sea. The presence of C-19 restricted advection of sea ice out of the region, resulting in unusually high sea ice cover during the spring and summer. Consequently, phytoplankton blooms in the region were diminished dramatically and primary production was reduced by over 90%, relative to normal years. Calving events over the last two decades indicate that reduced primary productivity may be a typical consequence of large icebergs that drift through the southwestern Ross Sea during spring and summer.
Received 12 May 2003; accepted 13 June 2003; published 19 August 2003.
Citation: (2003), Impact of iceberg C-19 on Ross Sea primary production, Geophys. Res. Lett., 30(16), 1836, doi:10.1029/2003GL017721.
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