| 释义 |
‖ polynya|pəʊˈlɪnjə|
Formerly also polynia. Pl. polynyas (rarely ‖ polynyi.).
[Russ. polŭinya a rotten place in the ice, an open place amidst ice, f. root of pole, polyana field.]
A space of open water in the midst of ice, esp. in the arctic seas.
1853Kane Grinnell Exp. (1856) 544 It is an annulus, a ring surrounding an area of open water—the Polynya, or Iceless Sea. 1856― Arct. Expl. I. xx. 244 The stream⁓holes (stromhols) of the Greenland coast, the polynia of the Russians. 1870J. K. Laughton Phys. Geog. iv. 235 Adm. Von Wrangell found open water—or what is now often called a ‘Polynia’, an open sea. 1894F. G. Jackson Thous. Days in Arctic (1899) I. 39 Lay all day in a ‘polynia’. 1957Sat. Even. Post 8 Dec. 7 From the deck of the A-sub, here surfaced in a ‘polynya’—a hole in the ice-pack—crewmen took a close look at the perpetually frozen Arctic Ocean. 1963G. L. Pickard Descriptive Physical Oceanogr. vii. 154 Some of this cap ice melts in the summer... Open water spaces, ‘polynyas’, may form. 1963Sunday Tel. 22 Sept. 15 Learning to find holes, or polynias, was one of the primary tasks of the two British submarines Porpoise and Grampus. 1971Nature 1 Jan. 37/2 The present study was undertaken to measure the actual distribution of CO2 between the atmosphere and the sea over open leads and polynyi in the ice-covered Bering Sea. 1974L. Deighton Spy Story xix. 206 We found a suitably large polynya—which is the proper name for a lagoon in the ice—and..the Captain began surfacing procedures. |