NSTL国家科技图书文献中心

1. Isotopic constraints on the late Pleistocene glacial water and sediment inputs to the central Arctic ocean NSTL国家科技图书文献中心

Dong, Linsen | Polyak, Leonid ... - 《Quaternary Science Reviews》 - 2024,334 - 共12页

摘要：The Quaternary history of the Arctic Ocean reflects pronounced periodic changes in marine and glacial environments. This variability is an important component of the Arctic paleoclimatic system. For m...

关键词： Arctic ocean | Isotope provenance | Sediment stratigraphy | Paleoceanography | Glacial history | Late pleistocene

2. Middle to Late Quaternary changes in ice rafting and deep current transport on the Alpha Ridge, central Arctic Ocean and their responses to climatic cyclicities EI 工程索引 NSTL国家科技图书文献中心

Wang, Rujian | Polyak, Leonid ... - 《Global and planetary change》 - 2023,220(Jan.) - 104019.1～104019.16 - 共16页 - 被引量：5

摘要：To address the Arctic Ocean response to the Quaternary climate change, three sediment cores from the Alpha Ridge, central Arctic Ocean, were analyzed for proxies of sediment transport and depositional...

关键词： Arctic Ocean | Alpha Ridge | Quaternary sediments | Grain-size proxies | Sea ice | Iceberg transport | Near-bottom current | Orbital forcing

3. Active Nordic Seas deep-water formation during the last glacial maximum SCIE Web of Science核心 NSTL国家科技图书文献中心

Larkin, Christina S. | Ezat, Mohamed M.... - 《Nature geoscience》 - 2022,15(11) - 925～+ - 共17页 - 被引量：2

摘要：The Nordic Seas are the primary location where the warm waters of the North Atlantic Current densify to form North Atlantic Deep Water, which plays a key part in the modern Atlantic Meridional Overtur...

关键词： HIGH-RESOLUTION RECORD | ARCTIC-OCEAN | FRAM STRAIT | NEODYMIUM ISOTOPES | NORTH-ATLANTIC | ND ISOTOPE | CONTINENTAL-MARGIN | BARENTS SEA | ICE | SEDIMENTS

4. A Eurasian Basin sedimentary record of glacial impact on the central Arctic Ocean during MIS 1-4 SCIE Web of Science核心 EI 工程索引 NSTL国家科技图书文献中心

Dong, Linsen | Polyak, Leonid ... - 《Global and planetary change》 - 2022,219(Dec.) - 103993.1～103993.19 - 共19页 - 被引量：5

摘要：Pronounced Quaternary circulation and depositional changes in the Arctic Ocean basins remain poorly under-stood. We investigate sediment core ARC5-ICE4 (ICE4) in the Eurasian (Amundsen) Basin off the ...

关键词： Arctic Ocean | Eurasian Basin | Sediment stratigraphy | Radiocarbon dating | Magnetostratigraphy | Paleoceanography | Glacial history | Late Pleistocene

5. New radiocarbon estimation method for carbonate-poor sediments: A case study of ramped pyrolysis C-14 dating of postglacial deposits from the Alaskan margin, Arctic Ocean SCIE Web of Science核心 SCOPUS Scopus数据库 NSTL国家科技图书文献中心

Suzuki, Kenta | Yamamoto, Masanobu ... - 《Quaternary geochronology》 - 2021,66 - 共9页 - 被引量：2

摘要：Sediments up to about 50 ka old can be dated by radiocarbon (C-14), and typically biogenic carbonate minerals formed by organisms like foraminifera or mollusks are the primary choice for dating. Howev...

关键词： Arctic Ocean | Radiocarbon dating | Ramped pyrolysis-oxidation

6. Glacial-interglacial sedimentation and paleocirculation at the Northwind Ridge, western Arctic Ocean NSTL国家科技图书文献中心

Wang, Rong | Polyak, Leonid ... - 《Quaternary Science Reviews: The International Multidisciplinary Review Journal》 - 2021,258 - 共21页 - 被引量：12

摘要：Sediment cores from the Northwind Ridge north of the Arctic Chukchi-Alaskan margin were analyzed for a suite of stratigraphic and provenance proxies. Based on the correlation to previously studied reg...

关键词： Arctic ocean | Northwind ridge | Sedimentary proxies | Pleistocene stratigraphy | Glaciations | Interglacials | Paleo-circulation

7. A sedimentary record from the Makarov Basin, Arctic Ocean, reveals changing middle to Late Pleistocene glaciation patterns EI 工程索引 SCIE Web of Science核心 SCOPUS Scopus数据库 NSTL国家科技图书文献中心

Xiao, Wenshen | Polyak, Leonid ... - 《Quaternary Science Reviews: The International Multidisciplinary Review Journal》 - 2021,270 - 共17页 - 被引量：15

摘要：Sediment core ARC5-ICE6 from the Makarov Basin was used to reconstruct circum-Arctic glaciation and surface-ocean circulation history for the Middle to Late Pleistocene, similar to 0.5-0.7 Ma. Sedimen...

关键词： Arctic ocean | Pleistocene glaciations | Transpolar drift | Beaufort gyre | Sediment provenance | Clay minerals | Radiogenic isotopes

8. Characteristics of terrigenous components of Amerasian Arctic Ocean surface sediments: Implications for reconstructing provenance and transport modes SCIE Web of Science核心 EI 工程索引 SCOPUS Scopus数据库 NSTL国家科技图书文献中心

Zhang, Taoliang | Wang, Rujian ... - 《Marine Geology》 - 2021,437 - 106497～ - 共13页 - 被引量：6

摘要：We investigated the petrographic composition of coarse-grained clasts (>250 mu m) in 117 core-top sediment samples from the western Arctic Ocean (the Amerasian Basin, Chukchi Sea, Alaskan/Beaufort mar...

关键词： Arctic Ocean | Surface sediments | Coarse fraction lithology | Bulk sediment minerlogy | Grain size | Modern transport mode

9. Seismostratigraphic and Geomorphic Evidence for the Glacial History of the Northwestern Chukchi Margin, Arctic Ocean SCOPUS Scopus数据库 SCIE Web of Science核心 NSTL国家科技图书文献中心

Kim, Sookwan | Polyak, Leonid ... - 《Journal of geophysical research. Earth Surface: JGR》 - 2021,126(4) - 共29页 - 被引量：9

摘要：High-resolution seafloor mapping provides insights into the dynamics of past ice sheets/ice shelves on high-latitude continental margins. Geological/geophysical studies in the Arctic Ocean suggest wid...

关键词： Arctic Ocean | Chukchi Rise | glaciogenic sedimentary processes | ice& | 8208 | sheet dynamics | morphobathymetry | seismostratigraphy

10. Cyclostratigraphic age constraining for Quaternary sediments in the Makarov Basin of the western Arctic Ocean using manganese variability SCOPUS Scopus数据库 SCIE Web of Science核心 NSTL国家科技图书文献中心

Park, Kwangkyu | Kim, Jung-Hyun ... - 《Quaternary geochronology》 - 2020,55 - 共11页 - 被引量：3

摘要：The Quaternary paleoenvironmental history of the Arctic Ocean remains uncertain, mainly due to the limited chronological constraints, especially beyond the C-14 dating limits of accelerator mass spect...