Works matching AU Spreen, Gunnar

Results: 99

Multisensor data fusion of operational sea ice observations.

Published in:

Frontiers in Marine Science, 2024, p. 1, doi. 10.3389/fmars.2024.1366002

By:

Keguang Wang;
Caixin Wang;
Dinessen, Frode;
Spreen, Gunnar;
Ricker, Robert;
Xiangshan Tian-Kunze

Publication type:

Article

Antarctic sea ice types from active and passive microwave remote sensing.

Published in:

Cryosphere Discussions, 2022, p. 1, doi. 10.5194/tc-2021-381

By:

Melsheimer, Christian;
Spreen, Gunnar;
Ye, Yufang;
Shokr, Mohammed

Publication type:

Article

Weddell Sea Polynya analysis using SMOS-SMAP Sea Ice Thickness Retrieval.

Published in:

Cryosphere Discussions, 2021, p. 1, doi. 10.5194/tc-2021-138

By:

Mchedlishvili, Alexander;
Spreen, Gunnar;
Melsheimer, Christian;
Huntemann, Marcus

Publication type:

Article

The MOSAiC Drift: Ice conditions from space and comparison with previous years.

Published in:

Cryosphere Discussions, 2021, p. 1, doi. 10.5194/tc-2021-80

By:

Krumpen, Thomas;
von Albedyll, Luisa;
Goessling, Helge F.;
Hendricks, Stefan;
Juhls, Bennet;
Spreen, Gunnar;
Willmes, Sascha;
Belter, H. Jakob;
Dethloff, Klaus;
Haas, Christian;
Kaleschke, Lars;
Katlein, Christian;
Xiangshan Tian-Kunze;
Ricker, Robert;
Rostosky, Philip;
Rueckert, Janna;
Suman Singha;
Sokolova, Julia

Publication type:

Article

Sea ice and water classification on dual-polarized Sentinel-1 imagery during melting season.

Published in:

Cryosphere Discussions, 2021, p. 1, doi. 10.5194/tc-2021-85

By:

Yu Zhang;
Tingting Zhu;
Spreen, Gunnar;
Melsheimer, Christian;
Huntemann, Marcus;
Hughes, Nick;
Shengkai Zhang;
Fei Li

Publication type:

Article

Implications of surface flooding on airborne thickness measurements of snow on sea ice.

Published in:

Cryosphere Discussions, 2020, p. 1, doi. 10.5194/tc-2020-168

By:

Rösel, Anja;
Louise Farrell, Sinead;
Nandan, Vishnu;
Richter-Menge, Jaqueline;
Spreen, Gunnar;
V. Divine, Dimitry;
Gallet, Jean-Charles;
Gerland, Sebastian

Publication type:

Article

Surface-Based Ku- and Ka-band Polarimetric Radar for Sea Ice Studies.

Published in:

Cryosphere Discussions, 2020, p. 1, doi. 10.5194/tc-2020-151

By:

Stroeve, Julienne;
Nandan, Vishnu;
Willatt, Rosemary;
Tonboe, Rasmus;
Hendricks, Stefan;
Ricker, Robert;
Mead, James;
Huntemann, Marcus;
Itkin, Polona;
Schneebeli, Martin;
Krampe, Daniela;
Spreen, Gunnar;
Wilkinson, Jeremy;
Matero, Ilkka;
Hoppmann, Mario;
Mallett, Robbie;
Tsamados, Michel

Publication type:

Article

Seasonality of spectral radiative fluxes and optical properties of Arctic sea ice during the spring-summer transition.

Published in:

Elementa: Science of the Anthropocene, 2024, v. 12, n. 1, p. 1, doi. 10.1525/elementa.2023.00130

By:

Ran Tao;
Nicolaus, Marcel;
Katlein, Christian;
Anhaus, Philipp;
Hoppmann, Mario;
Spreen, Gunnar;
Niehaus, Hannah;
Jäkel, Evelyn;
Wendisch, Manfred;
Haas, Christian

Publication type:

Article

The MOSAiC Distributed Network: Observing the coupled Arctic system with multidisciplinary, coordinated platforms.

Published in:

Elementa: Science of the Anthropocene, 2024, v. 12, n. 1, p. 1, doi. 10.1525/elementa.2023.00103

By:

Rabe, Benjamin;
Cox, Christopher J.;
Ying-Chih Fang;
Goessling, Helge;
Granskog, Mats A.;
Hoppmann, Mario;
Hutchings, Jennifer K.;
Krumpen, Thomas;
Kuznetsov, Ivan;
Ruibo Lei;
Tao Li;
Maslowski, Wieslaw;
Nicolaus, Marcel;
Perovich, Don;
Persson, Ola;
Regnery, Julia;
Rigor, Ignatius;
Shupe, Matthew D.;
Sokolov, Vladimir;
Spreen, Gunnar

Publication type:

Article

Spatio-temporal variability of small-scale leads based on helicopter maps of winter sea ice surface temperatures.

Published in:

Elementa: Science of the Anthropocene, 2024, v. 12, n. 1, p. 1, doi. 10.1525/elementa.2023.00023

By:

Thielke, Linda;
Spreen, Gunnar;
Huntemann, Marcus;
Murashkin, Dmitrii

Publication type:

Article

Overview of the MOSAiC expedition: Snow and sea ice.

Published in:

Elementa: Science of the Anthropocene, 2022, v. 10, p. 1, doi. 10.1525/elementa.2021.000046

By:

Nicolaus, Marcel;
Perovich, Donald K.;
Spreen, Gunnar;
Granskog, Mats A.;
Albedyll, Luisa von;
Angelopoulos, Michael;
Anhaus, Philipp;
Arndt, Stefanie;
Belter, H. Jakob;
Bessonov, Vladimir;
Birnbaum, Gerit;
Brauchle, Jörg;
Calmer, Radiance;
Cardellach, Estel;
Bin Cheng;
Clemens-Sewall, David;
Dadic, Ruzica;
Damm, Ellen;
de Boer, Gijs;
Demir, Oguz

Publication type:

Article

Reducing Weather Influences on an 89 GHz Sea Ice Concentration Algorithm in the Arctic Using Retrievals From an Optimal Estimation Method.

Published in:

Journal of Geophysical Research. Oceans, 2022, v. 127, n. 9, p. 1, doi. 10.1029/2019JC015912

By:

Lu, Junshen;
Scarlat, Raul;
Heygster, Georg;
Spreen, Gunnar

Publication type:

Article

Warm Atlantic Water Explains Observed Sea Ice Melt Rates North of Svalbard.

Published in:

Journal of Geophysical Research. Oceans, 2020, v. 125, n. 8, p. 1, doi. 10.1029/2019JC015662

By:

Duarte, Pedro;
Sundfjord, Arild;
Meyer, Amelie;
Hudson, Stephen R.;
Spreen, Gunnar;
Smedsrud, Lars H.

Publication type:

Article

Arctic Sea Ice Volume Export Through FramStrait From 1992 to 2014.

Published in:

Journal of Geophysical Research. Oceans, 2020, v. 125, n. 6, p. 1, doi. 10.1029/2019JC016039

By:

Spreen, Gunnar;
de Steur, Laura;
Divine, Dmitry;
Gerland, Sebastian;
Hansen, Edmond;
Kwok, Ron

Publication type:

Article

Sea Ice and Atmospheric Parameter Retrieval From Satellite Microwave Radiometers: Synergy of AMSR2 and SMOS Compared With the CIMR Candidate Mission.

Published in:

Journal of Geophysical Research. Oceans, 2020, v. 125, n. 3, p. 1, doi. 10.1029/2019JC015749

By:

Scarlat, Raul Cristian;
Spreen, Gunnar;
Heygster, Georg;
Huntemann, Marcus;
Paţilea, Cătălin;
Pedersen, Leif Toudal;
Saldo, Roberto

Publication type:

Article

Snow Depth Retrieval on Arctic Sea Ice From Passive Microwave Radiometers—Improvements and Extensions to Multiyear Ice Using Lower Frequencies.

Published in:

Journal of Geophysical Research. Oceans, 2018, v. 123, n. 10, p. 7120, doi. 10.1029/2018JC014028

By:

Rostosky, Philip;
Spreen, Gunnar;
Farrell, Sinead L.;
Frost, Torben;
Heygster, Georg;
Melsheimer, Christian

Publication type:

Article

Comparison of Freeboard Retrieval and Ice Thickness Calculation From ALS, ASIRAS, and CryoSat‐2 in the Norwegian Arctic to Field Measurements Made During the N‐ICE2015 Expedition.

Published in:

Journal of Geophysical Research. Oceans, 2018, v. 123, n. 2, p. 1123, doi. 10.1002/2017JC013233

By:

King, Jennifer;
Skourup, Henriette;
Hvidegaard, Sine M.;
Rösel, Anja;
Gerland, Sebastian;
Spreen, Gunnar;
Polashenski, Chris;
Helm, Veit;
Liston, Glen E.

Publication type:

Article

Effects of sea-ice and biogeochemical processes and storms on under-ice water fCO<sub>2</sub> during the winter-spring transition in the high Arctic Ocean: Implications for sea-air CO<sub>2</sub> fluxes.

Published in:

Journal of Geophysical Research. Oceans, 2017, v. 122, n. 7, p. 5566, doi. 10.1002/2016JC012478

By:

Fransson, Agneta;
Chierici, Melissa;
Skjelvan, Ingunn;
Olsen, Are;
Assmy, Philipp;
Peterson, Algot K.;
Spreen, Gunnar;
Ward, Brian

Publication type:

Article

Thin ice and storms: Sea ice deformation from buoy arrays deployed during N‐ICE2015.

Published in:

Journal of Geophysical Research. Oceans, 2017, v. 122, n. 6, p. 4661, doi. 10.1002/2016JC012403

By:

Itkin, Polona;
Spreen, Gunnar;
Cheng, Bin;
Doble, Martin;
Girard‐Ardhuin, Fanny;
Haapala, Jari;
Hughes, Nick;
Kaleschke, Lars;
Nicolaus, Marcel;
Wilkinson, Jeremy

Publication type:

Article

Sea-ice thickness from field measurements in the northwestern Barents Sea.

Published in:

Journal of Geophysical Research. Oceans, 2017, v. 122, n. 2, p. 1497, doi. 10.1002/2016JC012199

By:

King, Jennifer;
Spreen, Gunnar;
Gerland, Sebastian;
Haas, Christian;
Hendricks, Stefan;
Kaleschke, Lars;
Wang, Caixin

Publication type:

Article

Melt pond fractions on Arctic summer sea ice retrieved from Sentinel-3 satellite data with a constrained physical forward model.

Published in:

Cryosphere Discussions, 2023, p. 1, doi. 10.5194/egusphere-2023-2194

By:

Niehaus, Hannah;
Istomina, Larysa;
Nicolaus, Marcel;
Ran Tao;
Malinka, Alexey;
Zege, Eleonora;
Spreen, Gunnar

Publication type:

Article

Updated Arctic melt pond fraction dataset and trends 2002-2023 using ENVISAT and Sentinel-3 remote sensing data.

Published in:

Cryosphere Discussions, 2023, p. 1, doi. 10.5194/tc-2023-142

By:

Istomina, Larysa;
Niehaus, Hannah;
Spreen, Gunnar

Publication type:

Article

Lead fractions from SAR-derived sea ice divergence during MOSAiC.

Published in:

Cryosphere Discussions, 2023, p. 1, doi. 10.5194/tc-2023-123

By:

von Albedyll, Luisa;
Hendricks, Stefan;
Hutter, Nils;
Murashkin, Dmitrii;
Kaleschke, Lars;
Willmes, Sascha;
Thielke, Linda;
Tian-Kunze, Xiangshan;
Spreen, Gunnar;
Haas, Christian

Publication type:

Article

SAR Deep Learning Sea Ice Retrieval Trained with Airborne Laser Scanner Measurements from the MOSAiC Expedition.

Published in:

Cryosphere Discussions, 2023, p. 1, doi. 10.5194/tc-2023-72

By:

Kortum, Karl;
Singha, Suman;
Spreen, Gunnar;
Hutter, Nils;
Jutila, Arttu;
Haas, Christian

Publication type:

Article

Relevance of warm air intrusions for Arctic satellite sea ice climatologies.

Published in:

Cryosphere Discussions, 2023, p. 1, doi. 10.5194/tc-2023-69

By:

Philip, Rostosky;
Gunnar, Spreen

Publication type:

Article

Wind Transport of Snow Impacts Ka- and Ku-band Radar Signatures on Arctic Sea Ice.

Published in:

Cryosphere Discussions, 2022, p. 1, doi. 10.5194/tc-2022-116

By:

Nandan, Vishnu;
Willatt, Rosemary;
Mallett, Robbie;
Stroeve, Julienne;
Geldsetzer, Torsten;
Scharien, Randall;
Tonboe, Rasmus;
Landy, Jack;
Clemens-Sewall, David;
Jutila, Arttu;
Wagner, David N.;
Krampe, Daniela;
Huntemann, Marcus;
Yackel, John;
Mahmud, Mallik;
Jensen, David;
Newman, Thomas;
Hendricks, Stefan;
Spreen, Gunnar;
Macfarlane, Amy

Publication type:

Article

Sea ice classification of TerraSAR-X ScanSAR images for the MOSAiC expedition incorporating per-class incidence angle dependency of image texture.

Published in:

Cryosphere Discussions, 2022, p. 1, doi. 10.5194/tc-2022-86

By:

Guo, Wenkai;
Itkin, Polona;
Singha, Suman;
Doulgeris, Anthony Paul;
Johansson, Malin;
Spreen, Gunnar

Publication type:

Article

Rain-on-Snow (ROS) Understudied in Sea Ice Remote Sensing: A Multi-Sensor Analysis of ROS during MOSAiC.

Published in:

Cryosphere Discussions, 2022, p. 1, doi. 10.5194/tc-2021-383

By:

Stroeve, Julienne;
Nandan, Vishnu;
Willatt, Rosemary;
Dadic, Ruzica;
Rotosky, Philip;
Gallagher, Michael;
Mallett, Robbie;
Barrett, Andrew;
Hendricks, Stefan;
Tonboe, Rasmus;
Serreze, Mark;
Thielke, Linda;
Spreen, Gunnar;
Newman, Thomas;
Yackel, John;
Ricker, Robert;
Tsamados, Michel;
Macfarlane, Amy;
Hannula, Henna-Reetta;
Schneebeli, Martin

Publication type:

Article

Modeling the contribution of leads to sea spray aerosol in the high Arctic.

Published in:

Atmospheric Chemistry & Physics, 2024, v. 24, n. 21, p. 12107, doi. 10.5194/acp-24-12107-2024

By:

Lapere, Rémy;
Marelle, Louis;
Rampal, Pierre;
Brodeau, Laurent;
Melsheimer, Christian;
Spreen, Gunnar;
Thomas, Jennie L.

Publication type:

Article

Asymmetries in cloud microphysical properties ascribed to sea ice leads via water vapour transport in the central Arctic.

Published in:

Atmospheric Chemistry & Physics, 2023, v. 23, n. 22, p. 14521, doi. 10.5194/acp-23-14521-2023

By:

Saavedra Garfias, Pablo;
Kalesse-Los, Heike;
von Albedyll, Luisa;
Griesche, Hannes;
Spreen, Gunnar

Publication type:

Article

Constraints on simulated past Arctic amplification and lapse rate feedback from observations.

Published in:

Atmospheric Chemistry & Physics, 2023, v. 23, n. 17, p. 9963, doi. 10.5194/acp-23-9963-2023

By:

Linke, Olivia;
Quaas, Johannes;
Baumer, Finja;
Becker, Sebastian;
Chylik, Jan;
Dahlke, Sandro;
Ehrlich, André;
Handorf, Dörthe;
Jacobi, Christoph;
Kalesse-Los, Heike;
Lelli, Luca;
Mehrdad, Sina;
Neggers, Roel A. J.;
Riebold, Johannes;
Saavedra Garfias, Pablo;
Schnierstein, Niklas;
Shupe, Matthew D.;
Smith, Chris;
Spreen, Gunnar;
Verneuil, Baptiste

Publication type:

Article

Surface albedo measurements and surface type classification from helicopter-based observations during MOSAiC.

Published in:

Scientific Data, 2023, v. 10, n. 1, p. 1, doi. 10.1038/s41597-023-02492-6

By:

Sperzel, Tim R.;
Jäkel, Evelyn;
Pätzold, Falk;
Lampert, Astrid;
Niehaus, Hannah;
Spreen, Gunnar;
Rosenburg, Sophie;
Birnbaum, Gerit;
Neckel, Niklas;
Wendisch, Manfred

Publication type:

Article

Surface albedo measurements and surface type classification from helicopter-based observations during MOSAiC.

Published in:

Scientific Data, 2023, v. 10, n. 1, p. 1, doi. 10.1038/s41597-023-02492-6

By:

Sperzel, Tim R.;
Jäkel, Evelyn;
Pätzold, Falk;
Lampert, Astrid;
Niehaus, Hannah;
Spreen, Gunnar;
Rosenburg, Sophie;
Birnbaum, Gerit;
Neckel, Niklas;
Wendisch, Manfred

Publication type:

Article

Evaluation of Arctic sea-ice drift and its dependency on near-surface wind and sea-ice concentration and thickness in the coupled regional climate model HIRHAM-NAOSIM.

Published in:

Cryosphere Discussions, 2019, p. 1, doi. 10.5194/tc-2019-183

By:

Xiaoyong Yu;
Rinke, Annette;
Dorn, Wolfgang;
Spreen, Gunnar;
Lüpkes, Christof;
Hiroshi Sumata;
Gryanik, Vladimir M.

Publication type:

Article

Broadband albedo of Arctic sea ice from MERIS optical data.

Published in:

Cryosphere Discussions, 2019, p. 1, doi. 10.5194/tc-2019-62

By:

Pohl, Christine;
Istomina, Larysa;
Tietsche, Steffen;
Jäkel, Evelyn;
Stapf, Johannes;
Spreen, Gunnar;
Heygster, Georg

Publication type:

Article

Observation of the 2018 North Greenland polynya with a new merged optical and passive microwave sea ice concentration dataset.

Published in:

Cryosphere Discussions, 2019, p. 1, doi. 10.5194/tc-2019-23

By:

Ludwig, Valentin;
Spreen, Gunnar;
Haas, Christian;
Istomina, Larysa;
Kauker, Frank;
Murashkin, Dmitrii

Publication type:

Article

Combined SMAP/SMOS Thin Sea Ice Thickness Retrieval.

Published in:

2017

By:

Pațilea, Cătălin;
Heygster, Georg;
Huntemann, Marcus;
Spreen, Gunnar

Publication type:

Abstract

Reflective properties of melt ponds on sea ice.

Published in:

2017

By:

Malinka, Aleksey;
Zege, Eleonora;
Istomina, Larysa;
Heygster, Georg;
Spreen, Gunnar;
Perovich, Donald;
Polashenski, Chris

Publication type:

Abstract

Updated Arctic melt pond fraction dataset and trends 2002–2023 using ENVISAT and Sentinel-3 remote sensing data.

Published in:

Cryosphere, 2025, v. 19, n. 1, p. 83, doi. 10.5194/tc-19-83-2025

By:

Istomina, Larysa;
Niehaus, Hannah;
Spreen, Gunnar

Publication type:

Article

Assessing sea ice microwave emissivity up to submillimeter waves from airborne and satellite observations.

Published in:

Cryosphere, 2024, v. 18, n. 9, p. 4137, doi. 10.5194/tc-18-4137-2024

By:

Risse, Nils;
Mech, Mario;
Prigent, Catherine;
Spreen, Gunnar;
Crewell, Susanne

Publication type:

Article

SAR deep learning sea ice retrieval trained with airborne laser scanner measurements from the MOSAiC expedition.

Published in:

Cryosphere, 2024, v. 18, n. 5, p. 2207, doi. 10.5194/tc-18-2207-2024

By:

Kortum, Karl;
Singha, Suman;
Spreen, Gunnar;
Hutter, Nils;
Jutila, Arttu;
Haas, Christian

Publication type:

Article

Lead fractions from SAR-derived sea ice divergence during MOSAiC.

Published in:

Cryosphere, 2024, v. 18, n. 3, p. 1259, doi. 10.5194/tc-18-1259-2024

By:

von Albedyll, Luisa;
Hendricks, Stefan;
Hutter, Nils;
Murashkin, Dmitrii;
Kaleschke, Lars;
Willmes, Sascha;
Thielke, Linda;
Tian-Kunze, Xiangshan;
Spreen, Gunnar;
Haas, Christian

Publication type:

Article

Observations and modeling of areal surface albedo and surface types in the Arctic.

Published in:

Cryosphere, 2024, v. 18, n. 3, p. 1185, doi. 10.5194/tc-18-1185-2024

By:

Jäkel, Evelyn;
Becker, Sebastian;
Sperzel, Tim R.;
Niehaus, Hannah;
Spreen, Gunnar;
Tao, Ran;
Nicolaus, Marcel;
Dorn, Wolfgang;
Rinke, Annette;
Brauchle, Jörg;
Wendisch, Manfred

Publication type:

Article

Melt pond fractions on Arctic summer sea ice retrieved from Sentinel-3 satellite data with a constrained physical forward model.

Published in:

Cryosphere, 2024, v. 18, n. 2, p. 933, doi. 10.5194/tc-18-933-2024

By:

Niehaus, Hannah;
Istomina, Larysa;
Nicolaus, Marcel;
Tao, Ran;
Malinka, Aleksey;
Zege, Eleonora;
Spreen, Gunnar

Publication type:

Article

New estimates of pan-Arctic sea ice–atmosphere neutral drag coefficients from ICESat-2 elevation data.

Published in:

Cryosphere, 2023, v. 17, n. 9, p. 4103, doi. 10.5194/tc-17-4103-2023

By:

Mchedlishvili, Alexander;
Lüpkes, Christof;
Petty, Alek;
Tsamados, Michel;
Spreen, Gunnar

Publication type:

Article

Relevance of warm air intrusions for Arctic satellite sea ice concentration time series.

Published in:

Cryosphere, 2023, v. 17, n. 9, p. 3867, doi. 10.5194/tc-17-3867-2023

By:

Rostosky, Philip;
Spreen, Gunnar

Publication type:

Article

Wind redistribution of snow impacts the Ka- and Ku-band radar signatures of Arctic sea ice.

Published in:

Cryosphere, 2023, v. 17, n. 6, p. 2211, doi. 10.5194/tc-17-2211-2023

By:

Nandan, Vishnu;
Willatt, Rosemary;
Mallett, Robbie;
Stroeve, Julienne;
Geldsetzer, Torsten;
Scharien, Randall;
Tonboe, Rasmus;
Yackel, John;
Landy, Jack;
Clemens-Sewall, David;
Jutila, Arttu;
Wagner, David N.;
Krampe, Daniela;
Huntemann, Marcus;
Mahmud, Mallik;
Jensen, David;
Newman, Thomas;
Hendricks, Stefan;
Spreen, Gunnar;
Macfarlane, Amy

Publication type:

Article

Sea ice classification of TerraSAR-X ScanSAR images for the MOSAiC expedition incorporating per-class incidence angle dependency of image texture.

Published in:

Cryosphere, 2023, v. 17, n. 3, p. 1279, doi. 10.5194/tc-17-1279-2023

By:

Guo, Wenkai;
Itkin, Polona;
Singha, Suman;
Doulgeris, Anthony P.;
Johansson, Malin;
Spreen, Gunnar

Publication type:

Article

First results of Antarctic sea ice type retrieval from active and passive microwave remote sensing data.

Published in:

Cryosphere, 2023, v. 17, n. 1, p. 105, doi. 10.5194/tc-17-105-2023

By:

Melsheimer, Christian;
Spreen, Gunnar;
Ye, Yufang;
Shokr, Mohammed

Publication type:

Article

Rain on snow (ROS) understudied in sea ice remote sensing: a multi-sensor analysis of ROS during MOSAiC (Multidisciplinary drifting Observatory for the Study of Arctic Climate).

Published in:

Cryosphere, 2022, v. 16, n. 10, p. 4223, doi. 10.5194/tc-16-4223-2022

By:

Stroeve, Julienne;
Nandan, Vishnu;
Willatt, Rosemary;
Dadic, Ruzica;
Rostosky, Philip;
Gallagher, Michael;
Mallett, Robbie;
Barrett, Andrew;
Hendricks, Stefan;
Tonboe, Rasmus;
McCrystall, Michelle;
Serreze, Mark;
Thielke, Linda;
Spreen, Gunnar;
Newman, Thomas;
Yackel, John;
Ricker, Robert;
Tsamados, Michel;
Macfarlane, Amy;
Hannula, Henna-Reetta

Publication type:

Article