Johannes Freitag - Publications, H-index & Citations

Johannes Freitag

alfred-wegener-institute

32H指数

326论文数

3.1K被引数

收录论文 23

发表时间

Anthropogenic perturbations to atmospheric methane reflected in Greenland firn air clumped isotope measurements 人类活动对大气甲烷的扰动在格陵兰浅冰芯空气同位素群测量中有所反映

Science Advances

IF12.5

2026-07-15

OAAI

Malavika Sivan; Jiayang Sun; Patricia Martinerie; Maria Elena Popa; James Farquhar; Maarten Krol; Carina van der Veen; Bibhasvata Dasgupta; Mojhgan A. Haghnegahdar; Camilla Marie Jensen; Ji-Woong Yang; Johannes Freitag; Kévin Fourteau; Thomas Blunier; Thomas Röckmann

Fabric, Texture, and Bubble Characteristics of the Million-Year Old Allan Hills Blue Ice Core ALHIC1901 百万年前艾伦山蓝冰芯ALHIC1901的织构、纹理和气泡特征

journal of geophysical research: solid earth

IF0

2026-05-11

OAAI

Nicolas Stoll; Marguerite Shaya; Liam Kirkpatrick; Johannes Freitag; Valens Hishamunda; John-Morgan Manos; Daniela Jansen; Ilka Weikusat; John Fegyveresi; Bradley Paul Lipovsky; Ed Brook; Sarah Shackleton; John Higgins; T. J. Fudge

Airborne Radar Reveals Area-Wide Decadal Increase of Surface Mass Balance on the Plateau in Dronning Maud Land, East Antarctica 机载雷达揭示东南极洲毛德后高地地区地表质量平衡的十年区域性增长

Geophysical Research Letters

IF4.6

2026-04-16

OAAI

Alexandra M. Zuhr; Steven Franke; Olaf Eisen; Daniel Steinhage; Veit Helm; Maria Hörhold; Johannes Freitag; Reinhard Drews

Air clathrate hydrates in the EDML ice core, Antarctica

CRYOSPHERE

IF4.2

2025-10-24

OAAI

Painer, Florian; Kipfstuhl, Sepp; Drury, Martyn; Uchida, Tsutomu; Freitag, Johannes; Weikusat, Ilka

Total air content measurements from the RECAP ice core

CLIMATE OF THE PAST

IF3.2

2025-02-19

OAAI

Vudayagiri, Sindhu; Vinther, Bo; Freitag, Johannes; Langen, Peter L.; Blunier, Thomas

High-Resolution Ice-Core Analyses Identify the Eldgjá Eruption and a Cluster of Icelandic and Trans-Continental Tephras Between 936 and 943 CE

JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES

IF3.4

2024-08-22

OAAI

Hutchison, William; Gabriel, Imogen; Plunkett, Gill; Burke, Andrea; Sugden, Patrick; Innes, Helen; Davies, Siwan; Moreland, William M.; Kruger, Kirstin; Wilson, Rob; Vinther, Bo M.; Dahl-Jensen, Dorthe; Freitag, Johannes; Oppenheimer, Clive; Chellman, Nathan J.; Sigl, Michael; McConnell, Joseph R.

New avenues for potentially seeking microbial responses to climate change beneath Antarctic ice shelves

MSPHERE

IF3.1

2024-05-29

OAAI

Llorenc-Vicedo, Aitana; Gomez, Monica Lluesma; Zeising, Ole; Kleiner, Thomas; Freitag, Johannes; Martinez-Hernandez, Francisco; Wilhelms, Frank; Martinez-Garcia, Manuel

Mid-to Late Holocene East Antarctic ice-core tephrochronology: Implications for reconstructing volcanic eruptions and assessing their climatic impacts over the last 5,500 years

QUATERNARY SCIENCE REVIEWS

IF3.3

2024-04-01

OAAI

Abbott, Peter M.; McConnell, Joseph R.; Chellman, Nathan J.; Kipfstuhl, Sepp; Horhold, Maria; Freitag, Johannes; Cook, Eliza; Hutchison, William; Sigl, Michael

Hemispheric-scale heavy metal pollution from South American and Australian mining and metallurgy during the Common Era 共同时代南美和澳大利亚采矿和冶金的半球规模重金属污染

SCIENCE OF THE TOTAL ENVIRONMENT

IF8

2024-02-01

PREAI

McConnell, Joseph R.; Chellman, Nathan J.; Wensman, Sophia M.; Plach, Andreas; Stanish, Charles; Santibanez, Pamela A.; Brugger, Sandra O.; Eckhardt, Sabine; Freitag, Johannes; Kipfstuhl, Sepp; Stohl, Andreas

Resolution Enhancement of Polar Ice Core Micro CT Scans via Deep Learning: A Comparative Study

IEEE ACCESS

IF3.6

2024-01-01

OAAI

Bagherzadeh, Faramarz; Freitag, Johannes; Frese, Udo; Tavousi, Pouya; Wilhelms, Frank

Southern Hemisphere atmospheric history of carbon monoxide over the late Holocene reconstructed from multiple Antarctic ice archives

CLIMATE OF THE PAST

IF3.2

2023-11-15

OAAI

Fain, Xavier; Etheridge, David M.; Fourteau, Kevin; Martinerie, Patricia; Trudinger, Cathy M.; Rhodes, Rachael H.; Chellman, Nathan J.; Langenfelds, Ray L.; Mcconnell, Joseph R.; Curran, Mark A. J.; Brook, Edward J.; Blunier, Thomas; Teste, Gregory; Grilli, Roberto; Lemoine, Anthony; Sturges, William T.; Vanniere, Boris; Freitag, Johannes; Chappellaz, Jerome

Ice-Core Micro-CT Image Segmentation With Deep Learning and Gaussian Mixture Model 基于深度学习和高斯混合模型的冰芯显微CT图像分割

IEEE TRANSACTIONS ON GEOSCIENCE AND REMOTE SENSING

IF8.6

2023-01-01

OAAI

Bagherzadeh, Faramarz; Freitag, Johannes; Frese, Udo; Wilhelms, Frank

Melt in the Greenland EastGRIP ice core reveals Holocene warm events 格陵兰EastGRIP冰芯的融化揭示了全新世的温暖事件

CLIMATE OF THE PAST

IF3.2

2022-05-10

OAAI

Westhoff, Julien; Sinnl, Giulia; Svensson, Anders; Freitag, Johannes; Kjaer, Helle Astrid; Vallelonga, Paul; Vinther, Bo; Kipfstuhl, Sepp; Dahl-Jensen, Dorthe; Weikusat, Ilka

Improved estimates of preindustrial biomass burning reduce the magnitude of aerosol climate forcing in the Southern Hemisphere 改进的工业化前生物质燃烧估计降低了南半球气溶胶气候强迫的幅度

SCIENCE ADVANCES

IF12.5

2021-05-28

OAAI

Liu, Pengfei; Kaplan, Jed O.; Mickley, Loretta J.; Li, Yang; Chellman, Nathan J.; Arienzo, Monica M.; Kodros, John K.; Pierce, Jeffrey R.; Sigl, Michael; Freitag, Johannes; Mulvaney, Robert; Curran, Mark A. J.; McConnell, Joseph R.

Critical porosity of gas enclosure in polar firn independent of climate

CLIMATE OF THE PAST

IF3.2

2017-11-24

OAAI

Schaller, Christoph Florian; Freitag, Johannes; Eisen, Olaf

Layering of surface snow and firn at Kohnen Station, Antarctica: Noise or seasonal signal?

JOURNAL OF GEOPHYSICAL RESEARCH-EARTH SURFACE

IF3.8

2016-10-19

OAAI

Laepple, Thomas; Hoerhold, Maria; Muench, Thomas; Freitag, Johannes; Wegner, Anna; Kipfstuhl, Sepp

Regional climate signal vs. local noise: a two-dimensional view of water isotopes in Antarctic firn at Kohnen Station, Dronning Maud Land

CLIMATE OF THE PAST

IF3.2

2016-07-22

OAAI

Muench, Thomas; Kipfstuhl, Sepp; Freitag, Johannes; Meyer, Hanno; Laepple, Thomas

Local artifacts in ice core methane records caused by layered bubble trapping and in situ production: a multi-site investigation

CLIMATE OF THE PAST

IF3.2

2016-04-26

OAAI

Rhodes, Rachael H.; Fain, Xavier; Brook, Edward J.; McConnell, Joseph R.; Maselli, Olivia J.; Sigl, Michael; Edwards, Jon; Buizert, Christo; Blunier, Thomas; Chappellaz, Jerome; Freitag, Johannes

Measurement of the fracture toughness of polycrystalline bubbly ice from an Antarctic ice core

EARTH SYSTEM SCIENCE DATA

IF11.6

2015-05-11

OAAI

Christmann, J.; Mueller, R.; Webber, K. G.; Isaia, D.; Schader, F. H.; Kipfstuhl, S.; Freitag, J.; Humbert, A.

The densification of layered polar firn

JOURNAL OF GEOPHYSICAL RESEARCH-EARTH SURFACE

IF3.8

2011-01-04

OAAI

Hoerhold, M. W.; Kipfstuhl, S.; Wilhelms, F.; Freitag, J.; Frenzel, A.

研究方向