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361 Results Found

  • Article
  • Open Access
7,833 Views
22 Pages

Ice Sheet Mass Changes over Antarctica Based on GRACE Data

  • Ruiqi Zhang,
  • Min Xu,
  • Tao Che,
  • Wanqin Guo and
  • Xingdong Li

11 October 2024

Assessing changes of the mass balance in the Antarctic ice sheet in the context of global warming is a key focus in polar study. This study analyzed the spatiotemporal variation in the Antarctic ice sheet’s mass balance, both as a whole and by...

  • Article
  • Open Access
9 Citations
6,624 Views
19 Pages

Mass Balance of the Antarctic Ice Sheet in the Early 21st Century

  • Tian Yang,
  • Qi Liang,
  • Lei Zheng,
  • Teng Li,
  • Zhuoqi Chen,
  • Fengming Hui and
  • Xiao Cheng

20 March 2023

Mass loss from the Antarctic Ice Sheet (AIS) is an important contributor to global sea level rise. To examine the recent ice loss, we estimated the mass budget of the AIS from 2000 to 2020 using multiple ice velocity datasets, state-of-the-art ice th...

  • Article
  • Open Access
39 Citations
18,983 Views
26 Pages

An Integrated View of Greenland Ice Sheet Mass Changes Based on Models and Satellite Observations

  • Ruth Mottram,
  • Sebastian B. Simonsen,
  • Synne Høyer Svendsen,
  • Valentina R. Barletta,
  • Louise Sandberg Sørensen,
  • Thomas Nagler,
  • Jan Wuite,
  • Andreas Groh,
  • Martin Horwath and
  • Job Rosier
  • + 3 authors

13 June 2019

The Greenland ice sheet is a major contributor to sea level rise, adding on average 0.47 ± 0.23 mm year − 1 to global mean sea level between 1991 and 2015. The cryosphere as a whole has contributed around 45% of observed global...

  • Letter
  • Open Access
26 Citations
4,263 Views
13 Pages

7 August 2019

The surface snowmelt on ice sheets in polar areas (ice sheets of Greenland and Antarctica) is not only an important sensitive factor of global climate change, but also a key factor that controls the global climate. Spaceborne earth observation provid...

  • Article
  • Open Access
11 Citations
5,781 Views
17 Pages

Variations of Mass Balance of the Greenland Ice Sheet from 2002 to 2019

  • Yaqiong Mu,
  • Yanqiang Wei,
  • Jinkui Wu,
  • Yongjian Ding,
  • Donghui Shangguan and
  • Di Zeng

13 August 2020

The melting of the polar ice caps is considered to be an essential factor for global sea-level rise and has received significant attention. Quantitative research on ice cap mass changes is critical in global climate change. In this study, GRACE JPL R...

  • Article
  • Open Access
7 Citations
3,667 Views
19 Pages

Complex Principal Component Analysis of Antarctic Ice Sheet Mass Balance

  • Jingang Zhan,
  • Hongling Shi,
  • Yong Wang and
  • Yixin Yao

29 January 2021

Ice sheet changes of the Antarctic are the result of interactions among the ocean, atmosphere, and ice sheet. Studying the ice sheet mass variations helps us to understand the possible reasons for these changes. We used 164 months of Gravity Recovery...

  • Article
  • Open Access
17 Citations
5,272 Views
18 Pages

Analysis of the Spatiotemporal Changes of Ice Sheet Mass and Driving Factors in Greenland

  • Yankai Bian,
  • Jianping Yue,
  • Wei Gao,
  • Zhen Li,
  • Dekai Lu,
  • Yunfei Xiang and
  • Jian Chen

10 April 2019

With the warming of the global climate, the mass loss of the Greenland ice sheet is intensifying, having a profound impact on the rising of the global sea level. Here, we used Gravity Recovery and Climate Experiment (GRACE) RL06 data to retrieve the...

  • Article
  • Open Access
20 Citations
9,426 Views
37 Pages

Intercomparison and Validation of SAR-Based Ice Velocity Measurement Techniques within the Greenland Ice Sheet CCI Project

  • John Peter Merryman Boncori,
  • Morten Langer Andersen,
  • Jørgen Dall,
  • Anders Kusk,
  • Martijn Kamstra,
  • Signe Bech Andersen,
  • Noa Bechor,
  • Suzanne Bevan,
  • Christian Bignami and
  • Noel Gourmelen
  • + 10 authors

12 June 2018

Ice velocity is one of the products associated with the Ice Sheets Essential Climate Variable. This paper describes the intercomparison and validation of ice-velocity measurements carried out by several international research groups within the Europe...

  • Article
  • Open Access
2,616 Views
20 Pages

Validation of GPS-Based Monitoring and Remote Sensing of Ice-Shelf and Ice-Sheet Movement Changes

  • Xiuhong Li,
  • Xuejie Hao,
  • Lizeyan Yin,
  • Lu Liu,
  • Yushuang Ma,
  • Rongjin Yang and
  • Qiao Song

24 November 2021

The north and south poles of the earth (hereinafter referred to as the polar regions) are important components of the earth system. Changes in the material balance and movement of the polar ice shelf reflect the influence of the polar regions on glob...

  • Article
  • Open Access
50 Citations
8,016 Views
15 Pages

Feasibility of GNSS-R Ice Sheet Altimetry in Greenland Using TDS-1

  • Antonio Rius,
  • Estel Cardellach,
  • Fran Fabra,
  • Weiqiang Li,
  • Serni Ribó and
  • Manuel Hernández-Pajares

19 July 2017

Radar altimetry provides valuable measurements to characterize the state and the evolution of the ice sheet cover of Antartica and Greenland. Global Navigation Satellite System Reflectometry (GNSS-R) has the potential to complement the dedicated rada...

  • Article
  • Open Access
1 Citations
1,340 Views
20 Pages

Assessment of MODIS and VIIRS Ice Surface Temperature Products over the Antarctic Ice Sheet

  • Chenlie Shi,
  • Ninglian Wang,
  • Yuwei Wu,
  • Quan Zhang,
  • Carleen H. Reijmer and
  • Paul C. J. P. Smeets

7 March 2025

The ice surface temperature (IST) derived from thermal infrared remote sensing is crucial for accurately monitoring ice or snow surface temperatures in the polar region. Generally, the remote sensing IST needs to be validated by the in situ IST to en...

  • Review
  • Open Access
17 Citations
12,624 Views
50 Pages

16 October 2019

The Greenland Ice Sheet is now the largest land ice contributor to global sea level rise, largely driven by increased surface meltwater runoff from the ablation zone, i.e., areas of the ice sheet where annual mass losses exceed gains. This small but...

  • Article
  • Open Access
1,444 Views
13 Pages

Freshwater Thin Ice Sheet Monitoring and Imaging with Fiber Optic Distributed Acoustic Sensing

  • Meghan Quinn,
  • Adrian K. Doran,
  • Constantine Coclin,
  • Levi Cass and
  • Heath Turner

Fiber optic distributed acoustic sensing (DAS) technology can monitor vibrational strain of vast areas with fine spatial resolution at high sampling rates. The fiber optic cable portion of DAS may directly monitor, measure, and map potentially unsafe...

  • Article
  • Open Access
5 Citations
8,397 Views
15 Pages

20 February 2023

Accurate monitoring of surface temperature and melting on the Greenland Ice Sheet (GrIS) is important for tracking the ice sheet’s mass balance as well as global and Arctic climate change. Using a moderate-resolution-imaging-spectroradiometer (...

  • Article
  • Open Access
8 Citations
4,471 Views
16 Pages

Consequences of the 2019 Greenland Ice Sheet Melt Episode on Albedo

  • Arthur Elmes,
  • Charlotte Levy,
  • Angela Erb,
  • Dorothy K. Hall,
  • Ted A. Scambos,
  • Nicolo DiGirolamo and
  • Crystal Schaaf

11 January 2021

In mid-June 2019, the Greenland ice sheet (GrIS) experienced an extreme early-season melt event. This, coupled with an earlier-than-average melt onset and low prior winter snowfall over western Greenland, led to a rapid decrease in surface albedo and...

  • Article
  • Open Access
13 Citations
2,695 Views
15 Pages

End-to-End Classification Network for Ice Sheet Subsurface Targets in Radar Imagery

  • Yiheng Cai,
  • Shaobin Hu,
  • Shinan Lang,
  • Yajun Guo and
  • Jiaqi Liu

5 April 2020

Sea level rise, caused by the accelerated melting of glaciers in Greenland and Antarctica in recent decades, has become a major concern in the scientific, environmental, and political arenas. A comprehensive study of the properties of the ice subsurf...

  • Article
  • Open Access
3 Citations
4,174 Views
30 Pages

26 January 2021

Past glaciation is known to have caused a substantial morphological change to high latitude regions of the northern hemisphere. In the assessment of the long-term performance of deep geological repositories for radioactive wastes, future glaciation i...

  • Article
  • Open Access
15 Citations
3,833 Views
20 Pages

Elevation Changes of the Antarctic Ice Sheet from Joint Envisat and CryoSat-2 Radar Altimetry

  • Baojun Zhang,
  • Zemin Wang,
  • Quanming Yang,
  • Jingbin Liu,
  • Jiachun An,
  • Fei Li,
  • Tingting Liu and
  • Hong Geng

14 November 2020

The elevation changes of ice sheets have been recognized as an essential climate variable. Long-term time series of these changes are an important parameter to understand climate change, and the longest time-series of ice sheet elevation changes can...

  • Article
  • Open Access
4 Citations
4,219 Views
17 Pages

Ice Sheet Topography from a New CryoSat-2 SARIn Processing Chain, and Assessment by Comparison to ICESat-2 over Antarctica

  • Jérémie Aublanc,
  • Pierre Thibaut,
  • Amandine Guillot,
  • François Boy and
  • Nicolas Picot

9 November 2021

In this study, we present a new level-2 processing chain dedicated to the CryoSat-2 Synthetic Aperture Radar Interferometric (SARIn) measurements acquired over ice sheets. Compared to the ESA ground segment processor, it includes revised methods to d...

  • Article
  • Open Access
9 Citations
3,676 Views
14 Pages

20 December 2020

Replacing estimates of C20 from the Gravity Recovery and Climate Experiment (GRACE) monthly gravity field solutions by those from satellite laser ranging (SLR) data and including degree one terms has become a standard procedure for proper science app...

  • Article
  • Open Access
31 Citations
6,646 Views
19 Pages

Estimating Penetration-Related X-Band InSAR Elevation Bias: A Study over the Greenland Ice Sheet

  • Sahra Abdullahi,
  • Birgit Wessel,
  • Martin Huber,
  • Anna Wendleder,
  • Achim Roth and
  • Claudia Kuenzer

5 December 2019

Accelerating melt on the Greenland ice sheet leads to dramatic changes at a global scale. Especially in the last decades, not only the monitoring, but also the quantification of these changes has gained considerably in importance. In this context, In...

  • Article
  • Open Access
2 Citations
3,420 Views
19 Pages

Greenland Ice Sheet Surface Runoff Projections to 2200 Using Degree-Day Methods

  • Chao Yue,
  • Liyun Zhao,
  • Michael Wolovick and
  • John C. Moore

26 November 2021

Surface runoff from the Greenland ice sheet (GrIS) has dominated recent ice mass loss and is having significant impacts on sea-level rise under global warming. Here, we used two modified degree-day (DD) methods to estimate the runoff of the GrIS duri...

  • Article
  • Open Access
22 Citations
7,634 Views
23 Pages

14 January 2019

Time-variable gravity measurements from the Gravity Recovery and Climate Experiment (GRACE) and GRACE-Follow On (GRACE-FO) missions and satellite altimetry measurements from CryoSat-2 enable independent mass balance estimates of the Earth’s gla...

  • Article
  • Open Access
12 Citations
5,220 Views
23 Pages

17 March 2019

Many recent mass balance estimates using the Gravity Recovery and Climate Experiment (GRACE) and satellite altimetry (including two kinds of sensors of radar and laser) show that the ice mass of the Antarctic ice sheet (AIS) is in overall decline. Ho...

  • Article
  • Open Access
59 Citations
8,120 Views
24 Pages

28 March 2017

This paper presents for the first time a detailed study on information content of X-band single-pass interferometric spaceborne SAR data with respect to snow facies characterization. An approach for classifying different snow facies of the Greenland...

  • Article
  • Open Access
5 Citations
4,635 Views
14 Pages

Assessment of MODIS Surface Temperature Products of Greenland Ice Sheet Using In-Situ Measurements

  • Xiaoge Yu,
  • Tingting Wang,
  • Minghu Ding,
  • Yetang Wang,
  • Weijun Sun,
  • Qinglin Zhang and
  • Baojuan Huai

19 April 2022

Satellite-based data have promoted the research progress in polar regions under global climate change, meanwhile the uncertainties and limitations of satellite-derived surface temperatures are widely discussed over Greenland. This study validated the...

  • Article
  • Open Access
3 Citations
3,623 Views
17 Pages

In Situ Cosmogenic 10Be Dating of Laurentide Ice Sheet Retreat from Central New England, USA

  • Jason S. Drebber,
  • Christopher T. Halsted,
  • Lee B. Corbett,
  • Paul R. Bierman and
  • Marc W. Caffee

Constraining the timing and rate of Laurentide Ice Sheet (LIS) retreat through the northeastern United States is important for understanding the co-evolution of complex climatic and glaciologic events that characterized the end of the Pleistocene epo...

  • Article
  • Open Access
1 Citations
1,742 Views
20 Pages

31 December 2023

The melting of the Greenland ice sheet (GrIS) in summer has rapidly and significantly increased in recent decades, especially for the northern GrIS. Circulation related to GrIS melting is important for understanding the contribution of the GrIS to th...

  • Review
  • Open Access
2,421 Views
17 Pages

8 June 2025

Ubiquitous and accelerating mass loss from the Greenland Ice Sheet (GrIS) has been widely reported in recent scientific studies, implying rapid changes in the Arctic cryosphere. However, while numerous studies provide accounts of glacial mass loss an...

  • Technical Note
  • Open Access
4 Citations
3,417 Views
16 Pages

6 September 2022

As a major contributor to global mean sea-level rise, the Greenland ice sheet (GrIS) and the patterns of its mass change have attracted wide attention. Based on Gravity Recovery and Climate Experiment (GRACE)/GRACE Follow-On (GRACE-FO) gravimetry dat...

  • Article
  • Open Access
1 Citations
284 Views
18 Pages

19 November 2025

The Antarctic ice sheet, Earth’s largest ice mass, is vital to the global climate system. Analyzing its thermal behavior is crucial for sea-level projections and ice shelf assessments; however, internal temperature studies remain challenging du...

  • Technical Note
  • Open Access
11 Citations
3,587 Views
13 Pages

2 November 2022

The backscatter coefficients of Synthetic Aperture Radar (SAR) images that observe the Greenland Ice Sheet (GrIS) are incidence angle dependent, which impedes subsequent applications, such as monitoring its surface melting. Therefore, backscatter int...

  • Article
  • Open Access
665 Views
30 Pages

27 October 2025

The ongoing global warming threatens the Greenland Ice Sheet (GIS), which has exhibited an overall mass loss since 1990. This loss varies annually and interannually, reflecting the intricate interactions between the ice sheet and atmospheric and ocea...

  • Article
  • Open Access
7 Citations
6,703 Views
22 Pages

25 May 2017

Sea level rise related to the melting and thinning of the Greenland Ice Sheet (GrIS), a subject of growing concern in recent years, will eventually affect the global climate. Although the melting of snow on the GrIS is actively monitored by passive m...

  • Article
  • Open Access
15 Citations
5,184 Views
22 Pages

The Determination of the Snow Optical Grain Diameter and Snowmelt Area on the Greenland Ice Sheet Using Spaceborne Optical Observations

  • Baptiste Vandecrux,
  • Jason E. Box,
  • Adrien Wehrlé,
  • Alexander A. Kokhanovsky,
  • Ghislain Picard,
  • Masashi Niwano,
  • Maria Hörhold,
  • Anne-Katrine Faber and
  • Hans Christian Steen-Larsen

15 February 2022

The optical diameter of the surface snow grains impacts the amount of energy absorbed by the surface and therefore the onset and magnitude of surface melt. Snow grains respond to surface heating through grain metamorphism and growth. During melt, liq...

  • Article
  • Open Access
304 Views
17 Pages

12 November 2025

To facilitate easy accessibility to the Gravity Recovery and Climate Experiment (GRACE) and GRACE Follow-On (GRACE-FO) results for the geoscientific community, multiple institutions have successively developed mass anomaly grid products including mas...

  • Technical Note
  • Open Access
12 Citations
3,882 Views
16 Pages

Noise Removal and Feature Extraction in Airborne Radar Sounding Data of Ice Sheets

  • Xueyuan Tang,
  • Sheng Dong,
  • Kun Luo,
  • Jingxue Guo,
  • Lin Li and
  • Bo Sun

16 January 2022

The airborne ice-penetrating radar (IPR) is an effective method used for ice sheet exploration and is widely applied for detecting the internal structures of ice sheets and for understanding the mechanism of ice flow and the characteristics of the bo...

  • Review
  • Open Access
84 Citations
19,060 Views
28 Pages

Antarctic Ice Sheet and Radar Altimetry: A Review

  • Frédérique Rémy and
  • Soazig Parouty

7 December 2009

Altimetry is probably one of the most powerful tools for ice sheet observation. Our vision of the Antarctic ice sheet has been deeply transformed since the launch of the ERS1 satellite in 1991. With the launch of ERS2 and Envisat, the series of altim...

  • Article
  • Open Access
6 Citations
1,951 Views
18 Pages

Peridynamic Simulation of the Penetration of an Ice Sheet by a Vertically Ascending Cylinder

  • Bin Jia,
  • Qing Wang,
  • Lei Ju,
  • Chenjun Hu,
  • Rongsheng Zhao,
  • Duanfeng Han and
  • Fuzhen Pang

The vertical ice breaking of marine structures in ice-covered areas involves the deformation and failure of an ice sheet. Different from the existing conventional scenarios where the ice sheet is used as a transportation and support medium, the damag...

  • Article
  • Open Access
10 Citations
2,503 Views
19 Pages

12 June 2022

In this paper, we present nine large glacial erratic boulders laying in situ in the forested areas of Pałuki in the north-eastern Wielkopolska (Western Poland). They are discussed against the background of the rich geodiversity of the area, whic...

  • Article
  • Open Access
8 Citations
4,932 Views
22 Pages

4 June 2021

Quantifying the mass balance of the Antarctic Ice Sheet (AIS), and the resulting sea level rise, requires an understanding of inter-annual variability and associated causal mechanisms. Very few studies have been exploring the influence of climate ano...

  • Article
  • Open Access
188 Citations
21,671 Views
19 Pages

The Sentinel-1 Mission: New Opportunities for Ice Sheet Observations

  • Thomas Nagler,
  • Helmut Rott,
  • Markus Hetzenecker,
  • Jan Wuite and
  • Pierre Potin

22 July 2015

The Sentinel satellite constellation series, developed by the European Space Agency, represents the dedicated space component of the European Copernicus program, committed to long-term operational services in a wide range of application domains. Here...

  • Article
  • Open Access
1,889 Views
20 Pages

9 May 2024

The occurrence of Supraglacial Lakes (SGLs) may influence the signals acquired with microwave radiometers, which may result in a degree of uncertainty when employing microwave radiometer data for the detection of surface melt. Accurate monitoring of...

  • Technical Note
  • Open Access
9 Citations
5,605 Views
10 Pages

Inversion of Geothermal Heat Flux under the Ice Sheet of Princess Elizabeth Land, East Antarctica

  • Lin Li,
  • Xueyuan Tang,
  • Jingxue Guo,
  • Xiangbin Cui,
  • Enzhao Xiao,
  • Khalid Latif,
  • Bo Sun,
  • Qiao Zhang and
  • Xiaosong Shi

14 July 2021

Antarctic geothermal heat flux is a basic input variable for ice sheet dynamics simulation. It greatly affects the temperature and mechanical properties at the bottom of the ice sheet, influencing sliding, melting, and internal deformation. Due to th...

  • Article
  • Open Access
18 Citations
3,979 Views
21 Pages

Deep Learning on Airborne Radar Echograms for Tracing Snow Accumulation Layers of the Greenland Ice Sheet

  • Debvrat Varshney,
  • Maryam Rahnemoonfar,
  • Masoud Yari,
  • John Paden,
  • Oluwanisola Ibikunle and
  • Jilu Li

9 July 2021

Climate change is extensively affecting ice sheets resulting in accelerating mass loss in recent decades. Assessment of this reduction and its causes is required to project future ice mass loss. Annual snow accumulation is an important component of t...

  • Feature Paper
  • Article
  • Open Access
27 Citations
9,628 Views
20 Pages

The Impact of Uncertainties in Ice Sheet Dynamics on Sea-Level Allowances at Tide Gauge Locations

  • Aimée B. A. Slangen,
  • Roderik S. W. Van de Wal,
  • Thomas J. Reerink,
  • Renske C. De Winter,
  • John R. Hunter,
  • Philip L. Woodworth and
  • Tamsin Edwards

Sea level is projected to rise in the coming centuries as a result of a changing climate. One of the major uncertainties is the projected contribution of the ice sheets in Greenland and Antarctica to sea-level rise (SLR). Here, we study the impact of...

  • Article
  • Open Access
8 Citations
3,040 Views
19 Pages

Decadal Changes in Greenland Ice Sheet Firn Aquifers from Radar Scatterometer

  • Xinyi Shang,
  • Xiao Cheng,
  • Lei Zheng,
  • Qi Liang and
  • Zhaohui Chi

29 April 2022

Surface meltwater runoff is believed to be the main cause of the alarming mass loss in the Greenland Ice Sheet (GrIS); however, recent research has shown that a large amount of meltwater is not directly drained or refrozen but stored in the form of f...

  • Review
  • Open Access
1 Citations
4,674 Views
13 Pages

Air Pollution and Its Association with the Greenland Ice Sheet Melt

  • Kumar Vikrant,
  • Eilhann E. Kwon,
  • Ki-Hyun Kim,
  • Christian Sonne,
  • Minsung Kang and
  • Zang-Ho Shon

23 December 2020

The Greenland Ice Sheet (GrIS) has been a topic of extensive scientific research over the past several decades due to the exponential increase in its melting. The relationship between air pollution and GrIS melting was reviewed based on local emissio...

  • Article
  • Open Access
250 Citations
18,819 Views
20 Pages

12 April 2017

Satellite remote sensing data including Landsat-8 (optical), Sentinel-1, and RADARSAT-2 (synthetic aperture radar (SAR) missions) have recently become routinely available for large scale ice velocity mapping of ice sheets in Greenland and Antarctica....

  • Article
  • Open Access
2 Citations
2,982 Views
26 Pages

Ocean–Ice Sheet Coupling in the Totten Glacier Area, East Antarctica: Analysis of the Feedbacks and Their Response to a Sudden Ocean Warming

  • Guillian Van Achter,
  • Thierry Fichefet,
  • Hugues Goosse,
  • Charles Pelletier,
  • Konstanze Haubner and
  • Frank Pattyn

We coupled together high-resolution versions of the ocean–sea ice model NEMO and the ice sheet model BISICLES configured to the Totten Glacier area and ran a series of simulations over the recent past (1995–2014) and under warming conditi...

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