A Late Holocene climate history from the Malangen fjord, North Norway, based on dinoflagellate cysts

被引：0

作者：

Rorvik, Kari-Lise ^{[1
]}

Grosfjeld, Kari ^{[2
]}

Hald, Morten ^{[1
]}

机构：

[1] Univ Tromso, Dept Geol, NO-9011 Tromso, Norway

[2] Geol Survey Norway NGU, NO-7491 Trondheim, Norway

来源：

NORWEGIAN JOURNAL OF GEOLOGY | 2009年 / 89卷 / 1-2期

关键词：

RADIOCARBON AGE CALIBRATION; SEA-SURFACE CONDITIONS; PHYSICAL OCEANOGRAPHY; SUMMER TEMPERATURES; TIME SCALE; RECORD; SHELF; RECONSTRUCTION; GREENLAND; SEDIMENTS;

D O I：

暂无

中图分类号：

P [天文学、地球科学];

学科分类号：

07 ;

摘要：

The Malangen fjord, a high Boreal/low Arctic fjord in northern Norway, reflects Atlantic Water heat flux. Studies of dinoflagellate cyst assemblages, reflecting the fjord surface water masses, have been performed on sediment cores and surface sediment samples in order to reconstruct the Late Holocene climate history. Four dinoflagellate cyst assemblage zones reflect the hydrological changes that took place in the Malangen fjord during the Late Holocene. The periods from c. AD 500 to 790 and c. AD 1500 to 1940, stand out as cold periods. The period from c. AD 790 to 1500 is characterized by warm saline water, whereas the period from AD 1940 to present is characterized by decreasing inflow of warm, saline water.

引用

页码：135 / 147

页数：13

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