Inflow of Warm Circumpolar Deep Water in the Central Amundsen Shelf*
نویسندگان
چکیده
منابع مشابه
Tropical forcing of Circumpolar Deep Water Inflow and outlet glacier thinning in the Amundsen Sea Embayment, West Antarctica
Outlet glaciers draining the Antarctic Ice Sheet into the Amundsen Sea 1 Embayment (ASE) have accelerated in recent decades, most likely as a result of increased 2 melting of their ice shelf termini by warm Circumpolar Deep Water (CDW). An ocean 3 model forced with climate reanalysis data shows that, beginning in the early 1990s, an 4 increase in westerly wind stress over the continental shelf ...
متن کاملTransport of warm upper circumpolar deep water onto the Western Antarctic Peninsula Continental Shelf
continental slope. Historically, four mechanisms have been suggested (or assumed): (1) eddies shed from the ACC, (2) flow into the cross-shelf-cutting canyons with overflow onto the nominal shelf, (3) general upwelling, and (4) episodic sweeping of ACC meanders over the shelf. The mooring array showed that for the years of deployment, the dominant mechanism is eddies; upwelling may also contrib...
متن کاملObserved vulnerability of Filchner-Ronne Ice Shelf to wind-driven inflow of warm deep water
The average rate of melting at the base of the large Filchner-Ronne Ice Shelf in the southern Weddell Sea is currently low, but projected to increase dramatically within the next century. In a model study, melt rates increase as changing ice conditions cause a redirection of a coastal current, bringing warm water of open ocean origin through the Filchner Depression and into the Filchner Ice She...
متن کاملDistribution of Upper Circumpolar Deep Water on the warming continental shelf of the West Antarctic Peninsula
We use autonomous underwater vehicles to characterize the spatial distribution of Upper Circumpolar Deep Water (UCDW) on the continental shelf of the West Antarctic Peninsula (WAP) and present the first near-synoptic measurements of mesoscale features (eddies) containing UCDW on the WAP. Thirty-three subsurface eddies with widths on the order of 10 km were detected during four glider deployment...
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چکیده: نسبت به کارکرد و ماهیت دیپلماسی عمومی در جهان امروز نظریه های متعددی بیان گردیده و جایگاه آن در کنار نظریه های دیگر در محافل آکادمیک و دانشگاهی بررسی و تحلیل گردیده است. نظر به اهمیت دیپلماسی عمومی و جایگاه آن در سیاست خارجی ایران این نوشتار با تمرکز بر دیپلماسی عمومی در منطقه آسیای مرکزی تهیه و تنظیم شده است. این ضرورت از آنجا ناشی می شود که اولاً مفهوم دیپلماسی عمومی در سیاست خارجی ای...
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ژورنال
عنوان ژورنال: Journal of Physical Oceanography
سال: 2010
ISSN: 1520-0485,0022-3670
DOI: 10.1175/2010jpo4431.1