☆ 4.6 Article

Chemical and visual characterisation of EGRIP glacial ice and cloudy bands within

CRYOSPHERE (2023)

相关参考文献

注意：仅列出部分参考文献，下载原文获取全部文献信息。

Article Geochemistry & Geophysics

Geochemical Characterization of Insoluble Particle Clusters in Ice Cores Using Two-Dimensional Impurity Imaging

Pascal Bohleber et al.

Summary: Understanding the processes altering ice core layer sequence is crucial to interpret paleoclimate proxies accurately. Laser ablation inductively coupled plasma mass spectrometry (LA-ICP-MS) with high spatial resolution has revealed the relationship between ice grain boundary network and impurity signals. In this study, LA-ICP-MS is further improved to analyze both soluble and insoluble impurities, and the origin of impurity clusters is investigated.

GEOCHEMISTRY GEOPHYSICS GEOSYSTEMS (2023)

添加到收藏夹

Article Multidisciplinary Sciences

Crystal orientation fabric anisotropy causes directional hardening of the Northeast Greenland Ice Stream

Tamara Annina Gerber et al.

Summary: This study investigates the spatial variation in ice-crystal orientation in northeast Greenland Ice Stream and its impact on ice-flow dynamics. The research combines radio-echo sounding measurements, ice-core data and models to map the depth-averaged horizontal anisotropy and directional flow-enhancement factors in the region. The results reveal significant spatial variability and rapid crystal reorganisation, indicating variations in ice hardness and deformation behavior along the ice stream.

NATURE COMMUNICATIONS (2023)

添加到收藏夹

Article Meteorology & Atmospheric Sciences

Greenland Ice Core Record of Last Glacial Dust Sources and Atmospheric Circulation

G. Ujvari et al.

Summary: Abrupt and large-scale climate changes during the last glaciation have been well-represented in Greenland ice core records. However, the feedbacks between atmospheric dust and these climate change events, known as Dansgaard-Oeschger events, are poorly understood. To shed light on this, a multi-technique study of Greenland dust provenance was conducted. The results challenge the existing dominant model and suggest that Greenland dust may originate from the Taklimakan Desert in western China, European glacial sources, or a mix of European and North African dust. These findings demonstrate the complexity and uncertainty of dust climate feedbacks during abrupt events.

JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES (2022)

添加到收藏夹

Article Geosciences, Multidisciplinary

Melt in the Greenland EastGRIP ice core reveals Holocene warm events

Julien Westhoff et al.

Summary: This study presents a record of melt events in the East Greenland Ice Core Project (EastGRIP) ice core, covering the largest part of the Holocene. The results show distinct peaks in melt events around 986 CE and during the Holocene Climatic Optimum, with a total of approximately 831 mm of melt over the past 10,000 years. Comparisons with tree ring data indicate warm summers during these melt events. The study also suggests that summer temperatures during the Early Holocene were at least 3 +/- 0.6 degrees C warmer compared to today, considering the ice dynamics of the EastGRIP site.

CLIMATE OF THE PAST (2022)

添加到收藏夹

Article Geography, Physical

Microstructure, micro-inclusions, and mineralogy along the EGRIP (East Greenland Ice Core Project) ice core - Part 2: Implications for palaeo-mineralogy

Nicolas Stoll et al.

Summary: Impurities in polar ice have diverse mineralogy and their distribution varies with depth. The complexity of impurity mineralogy in polar ice is underestimated, and new methods are needed to comprehensively understand their role.

CRYOSPHERE (2022)

添加到收藏夹

Article Multidisciplinary Sciences

A 120,000-year long climate record from a NW-Greenland deep ice core at ultra-high resolution

Vasileios Gkinis et al.

Summary: This study presents high resolution measurements of stable isotope ratios of ancient ice from North Greenland, covering a period of 8-130 thousand years before 2000. The record includes important climate events and interglacial ice from the Eemian period, with isotope ratios calibrated on specific scales and time scales interpolated accordingly. Precision and accuracy estimates are provided for both delta O-18 and delta D measurements.

SCIENTIFIC DATA (2021)

添加到收藏夹

Article Geography, Physical

A stratigraphy-based method for reconstructing ice core orientation

Julien Westhoff et al.

Summary: This study introduces a method to reconstruct ice core orientation using visual stratigraphy and borehole geometry, with the EastGRIP ice core as a case study. The method shows good applicability in most samples, aiding in interpreting the physical properties of ice cores and understanding ice flow.

ANNALS OF GLACIOLOGY (2021)

添加到收藏夹

Article Geography, Physical

Microstructure, micro-inclusions, and mineralogy along the EGRIP ice core - Part 1: Localisation of inclusions and deformation patterns

Nicolas Stoll et al.

Summary: The study systematically analyzed micro-inclusions in polar fast flowing ice for the first time, revealing their diverse spatial distribution patterns and a tendency to be located near grain boundaries. The results also indicated strong indications of dynamic recrystallization in the ice samples.

CRYOSPHERE (2021)

添加到收藏夹

Article Geography, Physical

Deep ice as a geochemical reactor: insights from iron speciation and mineralogy of dust in the Talos Dome ice core (East Antarctica)

Giovanni Baccolo et al.

Summary: The study demonstrates that the Talos Dome ice core displays evident signs of post-depositional processes affecting the mineral dust record below 1000 m, likely caused by acidic and oxidative weathering. Deep ice can be considered a geochemical reactor fostering complex reactions involving both soluble and insoluble impurities. Fe-bearing minerals play an efficient role in exploring such transformations.

CRYOSPHERE (2021)

添加到收藏夹

Article Geography, Physical

Upstream flow effects revealed in the EastGRIP ice core using Monte Carlo inversion of a two-dimensional ice-flow model

Tamara Annina Gerber et al.

Summary: The study of the East Greenland Ice-core Project (EastGRIP) reveals that increased snow accumulation with increasing upstream distance leads to constant annual layer thicknesses observed in the upper part of the ice column. Inverted model parameters suggest that basal melting and sliding are important factors determining ice flow in the Northeast Greenland Ice Stream (NEGIS).

CRYOSPHERE (2021)

添加到收藏夹

Article Geography, Physical

Two-dimensional impurity imaging in deep Antarctic ice cores: snapshots of three climatic periods and implications for high-resolution signal interpretation

Pascal Bohleber et al.

Summary: This article presents the results of applying LA-ICP-MS elemental imaging to ice core analysis, particularly in localizing impurities on ice samples to avoid misinterpretation of ultra-fine-resolution signals. The method shows great potential for studying the interplay between impurities and ice microstructure or investigating extremely thin climate proxy signals in deep polar ice.

CRYOSPHERE (2021)

添加到收藏夹

Review Geosciences, Multidisciplinary

A Review of the Microstructural Location of Impurities in Polar Ice and Their Impacts on Deformation

Nicolas Stoll et al.

Summary: Research shows that both insoluble and soluble impurities in polar ice significantly impact the deformation behavior, with impurity location determining the interaction between chemical load and deformation. Analysis of impurities in deep ice cores using different methods is crucial, and integrating these analyses into existing ice core processing routines is recommended to enhance understanding.

FRONTIERS IN EARTH SCIENCE (2021)

添加到收藏夹

Review Geography, Physical

Holocene dust in East Antarctica: Provenance and variability in time and space

Barbara Delmonte et al.

HOLOCENE (2020)

添加到收藏夹

Article Multidisciplinary Sciences

Asian inland wildfires driven by glacial-interglacial climate change

Yongming Han et al.

PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA (2020)

添加到收藏夹

Article Geosciences, Multidisciplinary

A first chronology for the East Greenland Ice-core Project (EGRIP) over the Holocene and last glacial termination

Seyedhamidreza Mojtabavi et al.

CLIMATE OF THE PAST (2020)

添加到收藏夹

Article Geography, Physical

Surface velocity of the Northeast Greenland Ice Stream (NEGIS): assessment of interior velocities derived from satellite data by GPS

Christine S. Hvidberg et al.

CRYOSPHERE (2020)

添加到收藏夹

Article Chemistry, Analytical

Imaging the impurity distribution in glacier ice cores with LA-ICP-MS

Pascal Bohleber et al.

JOURNAL OF ANALYTICAL ATOMIC SPECTROMETRY (2020)

添加到收藏夹

Article Geography, Physical

Drifting-snow statistics from multiple-year autonomous measurements in Adelie Land, East Antarctica

Charles Amory

CRYOSPHERE (2020)

添加到收藏夹

Article Geography, Physical

Using a composite flow law to model deformation in the NEEM deep ice core, Greenland - Part 1: The role of grain size and grain size distribution on deformation of the upper 2207 m

Ernst-Jan N. Kuiper et al.

CRYOSPHERE (2020)

添加到收藏夹

Article Geosciences, Multidisciplinary

Impurity Analysis and Microstructure Along the Climatic Transition From MIS 6 Into 5e in the EDML Ice Core Using Cryo-Raman Microscopy

Jan Eichler et al.

FRONTIERS IN EARTH SCIENCE (2019)

添加到收藏夹

Review Multidisciplinary Sciences

Antarctic and global climate history viewed from ice cores

Edward J. Brook et al.

NATURE (2018)

添加到收藏夹

Article Geochemistry & Geophysics

Regionalization of the Atmospheric Dust Cycle on the Periphery of the East Antarctic Ice Sheet Since the Last Glacial Maximum

G. Baccolo et al.

GEOCHEMISTRY GEOPHYSICS GEOSYSTEMS (2018)

添加到收藏夹

Article Geography, Physical

Location and distribution of micro-inclusions in the EDML and NEEM ice cores using optical microscopy and in situ Raman spectroscopy

Jan Eichler et al.

CRYOSPHERE (2017)

添加到收藏夹

Article Geography, Physical

Location of cation impurities in NGRIP deep ice revealed by cryo-cell UV-laser-ablation ICPMS

Damiano Della Lunga et al.

JOURNAL OF GLACIOLOGY (2014)

添加到收藏夹

Review Geosciences, Multidisciplinary

The microstructure of polar ice. Part II: State of the art

Sergio H. Faria et al.

JOURNAL OF STRUCTURAL GEOLOGY (2014)

添加到收藏夹

Article Geography, Physical

A stratigraphic framework for abrupt climatic changes during the Last Glacial period based on three synchronized Greenland ice-core records: refining and extending the INTIMATE event stratigraphy

Sune O. Rasmussen et al.

QUATERNARY SCIENCE REVIEWS (2014)

添加到收藏夹

Article Geography, Physical

Initial results from geophysical surveys and shallow coring of the Northeast Greenland Ice Stream (NEGIS)

P. Vallelonga et al.

CRYOSPHERE (2014)

添加到收藏夹

Article Geography, Physical

Fabric along the NEEM ice core, Greenland, and its comparison with GRIP and NGRIP ice cores

M. Montagnat et al.

CRYOSPHERE (2014)

添加到收藏夹

Article Geosciences, Multidisciplinary

A first chronology for the North Greenland Eemian Ice Drilling (NEEM) ice core

S. O. Rasmussen et al.

CLIMATE OF THE PAST (2013)

添加到收藏夹

Article Geosciences, Multidisciplinary

A brief history of ice core science over the last 50 yr

J. Jouzel

CLIMATE OF THE PAST (2013)

添加到收藏夹

Article Geosciences, Multidisciplinary

An automated approach for annual layer counting in ice cores

M. Winstrup et al.

CLIMATE OF THE PAST (2012)

添加到收藏夹

Article Geography, Physical

Strong-wind events and their influence on the formation of snow dunes: observations from Kohnen station, Dronning Maud Land, Antarctica

Gerit Birnbaum et al.

JOURNAL OF GLACIOLOGY (2010)

添加到收藏夹

Article Geography, Physical

A major glacial-interglacial change in aeolian dust composition inferred from Rare Earth Elements in Antarctic ice

Paolo Gabrielli et al.

QUATERNARY SCIENCE REVIEWS (2010)

添加到收藏夹

Article Geography, Physical

Polar ice structure and the integrity of ice-core paleoclimate records

Sergio H. Faria et al.

QUATERNARY SCIENCE REVIEWS (2010)

添加到收藏夹

Article Geography, Physical

Direct observation of salts as micro-inclusions in the Greenland GRIP ice core

Toshimitsu Sakurai et al.

JOURNAL OF GLACIOLOGY (2009)

添加到收藏夹

Article Meteorology & Atmospheric Sciences

A relationship between ion balance and the chemical compounds of salt inclusions found in the Greenland Ice Core Project and Dome Fuji ice cores

Yoshinori Iizuka et al.

JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES (2008)

添加到收藏夹

Review Geochemistry & Geophysics

Timing of acid weathering on Mars: A kinetic-thermodynamic assessment

Mikhail Y. Zolotov et al.

JOURNAL OF GEOPHYSICAL RESEARCH-PLANETS (2007)

添加到收藏夹

Article Geography, Physical

The Greenland Ice Core Chronology 2005, 15-42 ka.: Part 1:: constructing the time scale

Katrine K. Andersen et al.

QUATERNARY SCIENCE REVIEWS (2006)

添加到收藏夹

Article Geosciences, Multidisciplinary

Characteristics of salt inclusions in polar ice from Dome Fuji, East Antarctica

H Ohno et al.

GEOPHYSICAL RESEARCH LETTERS (2006)

添加到收藏夹

Article Geography, Physical

Ice microstructure and fabric: an up-to-date approach for measuring textures

Gael Durand et al.

JOURNAL OF GLACIOLOGY (2006)

添加到收藏夹

Article Geochemistry & Geophysics

Salt inclusions in polar ice core: Location and chemical form of water-soluble impurities

H Ohno et al.

EARTH AND PLANETARY SCIENCE LETTERS (2005)

添加到收藏夹

Article Meteorology & Atmospheric Sciences

Visual stratigraphy of the North Greenland Ice Core Project (NorthGRIP) ice core during the last glacial period -: art. no. D02108

A Svensson et al.

JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES (2005)

添加到收藏夹

Article Geosciences, Multidisciplinary

Two distinct seasonal Asian source regions for mineral dust deposited in Greenland (NorthGRIP)

AJM Bory et al.

GEOPHYSICAL RESEARCH LETTERS (2003)

添加到收藏夹

Article Meteorology & Atmospheric Sciences

Characterization of late glacial continental dust in the Greenland Ice Core Project ice core

A Svensson et al.

JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES (2000)

添加到收藏夹

© Peeref 2019-2024. All rights reserved.