Alfred-Wegener-Institut
Helmholtz-Zentrum für Polar-
und Meeresforschung

Legal Notice
Privacy Policy
Contact
OAI
RSS 2.0

EPIC.awi.de

Home

Browse
- Author
- Year
- Platform
- Location
- Organizations
- Programs
- Research Networks
- Type
Search
- Simple
- Advanced
About
Login
Login

Items where Author is "Ricker, Robert"

Up a level

Export as	RSS 2.0

Group by: Item Type | No Grouping

Number of items: 55.

Article

Krumpen, T. , Belter, J. , Boetius, A. , Damm, E. , Haas, C. , Hendricks, S. , Nicolaus, M. , Noethig, E. M. , Paul, S. , Peeken, I. , Ricker, R. and Stein, R. (2019)
Arctic warming interrupts the Transpolar Drift and affects long-range transport of sea ice and ice-rafted matter ,

Scientific Reports, (9) .

doi:https://doi.org/10.1038/s41598-019-41456-y , hdl:10013/epic.8a437225-08fc-4e53-99e3-cd67dbfe1424

Preview

Article

Ricker, R. , Girard-Ardhuin, F. , Krumpen, T. and Lique, C. (2018)
Satellite-derived sea ice export and its impact on Arctic ice mass balance ,

The Cryosphere, 12 (9), pp. 3017-3032 .

doi:https://doi.org/10.5194/tc-12-3017-2018 , hdl:10013/epic.91f9d88c-92d6-4bdb-a396-721a0a18aa68

Preview

Article

Kaminski, T. , Kauker, F. , Toudal Pedersen, L. , Voßbeck, M. , Haak, H. , Niederdrenk, L. , Hendricks, S. , Ricker, R. , Karcher, M. , Eicken, H. and Gråbak, O. (2018)
Arctic Mission Benefit Analysis: impact of sea ice thickness, freeboard, and snow depth products on sea ice forecast performance ,

The Cryosphere, 12 (8), pp. 2569-2594 .

doi:https://doi.org/10.5194/tc-12-2569-2018 , hdl:10013/epic.2f818958-5f74-456e-8db8-a4ab8dd2b914

Preview

Article

Paul, S. , Hendricks, S. , Ricker, R. , Kern, S. and Rinne, E. (2018)
Empirical parametrization of Envisat freeboard retrieval of Arctic and Antarctic sea ice based on CryoSat-2: progress in the ESA Climate Change Initiative ,

The Cryosphere, 12 (7), pp. 2437-2460 .

doi:https://doi.org/10.5194/tc-12-2437-2018 , hdl:10013/epic.65a58ad0-24f6-4dae-b4d9-9eeed4ef3bcf

Preview

Article

Mu, L. , Losch, M. , Yang, Q. , Ricker, R. , Loza, S. N. and Nerger, L. (2018)
Arctic-Wide Sea Ice Thickness Estimates From Combining Satellite Remote Sensing Data and a Dynamic Ice-Ocean Model with Data Assimilation During the CryoSat-2 Period ,

Journal of Geophysical Research: Oceans, 123 .

doi:https://doi.org/10.1029/2018JC014316 , hdl:10013/epic.7868219b-15d8-46ce-9797-bb67e20a93c7

Preview

Article

Yi, D. , Kurtz, N. , Harbeck, J. , Kwok, R. , Hendricks, S. and Ricker, R. (2018)
Comparing Coincident Elevation and Freeboard From IceBridge and Five Different CryoSat-2 Retrackers ,

IEEE Transactions on Geoscience and Remote Sensing, pp. 1-11 .

doi:https://doi.org/10.1109/TGRS.2018.2865257 , hdl:10013/epic.57924b30-9e29-4edb-bde6-ec20ef36d739

Article

Mu, L. , Yang, Q. , Losch, M. , Losa, S. N. , Ricker, R. , Nerger, L. and Liang, X. (2018)
Improving sea ice thickness estimates by assimilating CryoSat-2 and SMOS sea ice thickness data simultaneously ,

Quarterly Journal of the Royal Meteorological Society .

doi:https://doi.org/10.1002/qj.3225 , hdl:10013/epic.cf8e4daf-b6ff-48f0-881c-98531413857a

Article

Nandan, V. , Geldsetzer, T. , Yackel, J. , Mahmud, M. , Scharien, R. , Howell, S. , King, J. , Ricker, R. and Else, B. (2017)
Effect of Snow Salinity on CryoSat-2 Arctic First-Year Sea Ice Freeboard Measurements ,

Geophysical Research Letters, 44 (20), 10,419-10,426 .

doi:https://doi.org/10.1002/2017GL074506 , hdl:10013/epic.904eb53e-acd9-4693-9543-261e2f856070

Article

Skourup, H. , Farell, S. , Hendricks, S. , Ricker, R. , Armitage, T. , Ridout, A. , Andersen, O. B. , Haas, C. and Baker, S. (2017)
An Assessment of State-of-the-Art Mean Sea Surface and Geoid Models of the Arctic Ocean: Implications for Sea Ice Freeboard Retrieval ,

Journal of Geophysical Research-Oceans .

doi:https://doi.org/10.1002/2017JC013176 , hdl:10013/epic.51807

Preview

Article

Meyer, B. , Freier, U. , Grimm, V. , Groeneveld, J. , Hunt, B. P. V. , Kerwath, S. , King, R. , Klaas, C. , Pakhomov, E. A. , Meiners, K. M. , Melbourne-Thomas, J. , Murphy, E. J. , Thorpe, S. E. , Stammerjohn, S. , Wolf-Gladrow, D. , Auerswald, L. , Götz, A. , Halbach, L. , Jarman, S. , Kawaguchi, S. , Krumpen, T. , Nehrke, G. , Ricker, R. , Sumner, M. , Teschke, M. , Trebilco, R. and Yilmaz, I. N. (2017)
The winter pack-ice zone provides a sheltered but food-poor habitat for larval Antarctic krill ,

Nature Ecology & Evolution, 1 , pp. 1853-1861 .

doi:https://doi.org/10.1038/s41559-017-0368-3 , hdl:10013/epic.a7576f3f-7b1b-40c1-b258-2d720aed341d

Preview

Article

Meiners, K. , Arndt, S. , Bestley, S. , Krumpen, T. , Ricker, R. , Milnes, M. , Newbery, K. , Freier, U. , Jarman, S. , King, R. , Proud, R. , Kawaguchi, S. and Meyer, B. (2017)
Antarctic pack ice algal distribution: Floe-scale spatial variability and predictability from physical parameters ,

Geophysical Research Letters .

doi:https://doi.org/10.1002/2017GL074346 , hdl:10013/epic.51641

Preview

Article

Ricker, R. , Hendricks, S. , Kaleschke, L. , Tian-Kunze, X. , King, J. and Haas, C. (2017)
A weekly Arctic sea-ice thickness data record from merged CryoSat-2 and SMOS satellite data ,

Cryosphere, 11 (4), pp. 1607-1623 .

doi:https://doi.org/10.5194/tc-11-1607-2017 , hdl:10013/epic.51337

Preview

Article

Castro-Morales, K. , Ricker, R. and Gerdes, R. (2017)
Regional distribution and variability of model-simulated Arctic snow on sea ice ,

Polar Science, In Press , pp. 1-17 .

doi:https://doi.org/10.1016/j.polar.2017.05.003 , hdl:10013/epic.51411

Article

Ricker, R. , Hendricks, S. , Girard-Ardhuin, F. , Kaleschke, L. , Lique, C. , Tian-Kunze, X. , Nicolaus, M. and Krumpen, T. (2017)
Satellite-observed drop of Arctic sea ice growth in winter 2015–2016 ,

Geophysical Research Letters .

doi:https://doi.org/10.1002/2016GL072244 , hdl:10013/epic.51679

Article

Arndt, S. , Meiners, K. M. , Ricker, R. , Krumpen, T. , Katlein, C. and Nicolaus, M. (2017)
Influence of snow depth and surface flooding on light transmission through Antarctic pack ice ,

Journal of Geophysical Research-Oceans, 122 (3), pp. 2108-2119 .

doi:https://doi.org/10.1002/2016JC012325 , hdl:10013/epic.50741

Preview

Article

Schwegmann, S. , Rinne, E. , Ricker, R. , Hendricks, S. and Helm, V. (2016)
About the consistency between Envisat and CryoSat-2 radar freeboard retrieval over Antarctic sea ice ,

Cryosphere .

doi:https://doi.org/10.5194/tc-10-1415-2016 , hdl:10013/epic.48202

Preview

Article

Ricker, R. , Hendricks, S. and Beckers, J. M. (2016)
The Impact of Geophysical Corrections on Sea-Ice Freeboard Retrieved from Satellite Altimetry ,

Remote Sensing, 8 (4), pp. 1415-1425 .

doi:https://doi.org/10.3390/rs8040317 , hdl:10013/epic.48203

Preview

Article

Ricker, R. , Hendricks, S. and Beckers, J. (2016)
The Impact of Geophysical Corrections on Sea-Ice Freeboard Retrieved from Satellite Altimetry ,

Remote Sensing, 8 (4), p. 317 .

doi:https://doi.org/10.3390/rs8040317 , hdl:10013/epic.48211

Preview

Article

Ricker, R. , Hendricks, S. , Perovich, D. K. , Helm, V. and Gerdes, R. (2015)
Impact of snow accumulation on CryoSat-2 range retrievals over Arctic sea ice: An observational approach with buoy data ,

Geophysical Research Letters .

doi:https://doi.org/10.1002/2015GL064081 , hdl:10013/epic.45726 Item availablity restricted.

Preview

Article

Price, D. , Beckers, J. M. , Ricker, R. , Kurtz, N. , Rack, W. , Haas, C. , Helm, V. , Hendricks, S. , Leonard, G. and Langhorn, P. , Gateway Antarctica, University of Canterbury, Christchurch, New Zealand, Department of Earth & Atmospheric Sciences, University of Alberta, Edmonton, Alberta, Canada, Alfred Wegener Institute Helmholtz Centre for Polar and Marine Research, Bremerhaven, Germany, Cryospheric Sciences Laboratory, NASA Goddard Space Flight Center, Greenbelt, MD, USA, Department of Earth, Space Science and Engineering, York University, Toronto, Ontario, Canada, School of Surveying, University of Otago, Dunedin, New Zealand, Department of Physics, University of Otago, Dunedin, New Zealand (2015)
Evaluation of CryoSat-2 derived sea-ice freeboard over fast ice in McMurdo Sound, Antarctica ,

Journal of Glaciology, 61 (226), pp. 285-300 .

doi:https://doi.org/10.3189/2015JoG14J157 , hdl:10013/epic.45308

Article

Ricker, R. , Hendricks, S. , Perovich, D. K. , Helm, V. and Gerdes, R. (2015)
Impact of snow accumulation on CryoSat-2 range retrievals over Arctic sea ice: An observational approach with buoy data ,

Geophysical Research Letters, 42 (11), pp. 4447-4455 .

doi:https://doi.org/10.1002/2015GL064081 , hdl:10013/epic.46821

Article

Kauker, F. , Kaminski, T. , Ricker, R. , Toudal-Pedersen, L. , Dybkjaer, G. , Melsheimer, C. , Eastwood, S. , Sumata, H. , Karcher, M. and Gerdes, R. (2015)
Seasonal sea ice predictions for the Arctic based on assimilation of remotely sensed observations ,

The Cryosphere Discussions, 9 (5), pp. 5521-5554 .

doi:https://doi.org/10.5194/tcd-9-5521-2015 , hdl:10013/epic.49087

Article

Ricker, R. , Hendricks, S. , Helm, V. , Skourup, H. and Davidson, M. (2014)
Sensitivity of CryoSat-2 Arctic sea-ice freeboard and thickness on radar-waveform interpretation ,

The Cryosphere, 8 (4), pp. 1607-1622 .

doi:https://doi.org/10.5194/tc-8-1607-2014 , hdl:10013/epic.44049

Preview

Inbook

Ricker, R. , Hendricks, S. , Helm, V. and Gerdes, R. (2015)
Classification of CryoSat-2 Radar Echoes / Lohmann, G. , Meggers, H. , Unnithan, V. , Wolf-Gladrow, D. , Notholt, J. and Bracher, A. (editors) ,

In: Towards an Interdisciplinary Approach in Earth System Science, (Springer Earth System Sciences), Heidelberg [u.a.], Springer International Publishing, 251 p., ISBN: 978-3-319-13864-0 .

doi:https://doi.org/10.1007/978-3-319-13865-7_17 , hdl:10013/epic.45046

Preview

Thesis

Thesis -PhD

Ricker, R. (2015)
Sea-Ice Thickness derived from CryoSat-2: Validation and Uncertainties ,

PhD thesis, Jacobs University Bremen.

hdl:10013/epic.46807

Preview

Conference

Conference -Poster

Ricker, R. , Hendricks, S. and Paul, S. (2018)
Assessing Stability and Precision of Sea Ice Thickness Retrievals from Satellite Altimetry by a Cross-Over Analysis ,

25 Years of Progress in Radar Altimetry Symposium, Ponta Delgada, Portugal, September 2018 - September 2018 .

hdl:10013/epic.a8536b2d-acd8-4952-b280-f6c3a2c3cd55

Preview

Conference -Talk

Belter, H. J. , Krumpen, T. , Ricker, R. , Hendricks, S. , Paul, S. , Janout, M. , Ross, E. and Haas, C. (2018)
A new time series of sonar-based sea ice draft records from the Siberian Shelf ,

POLAR 2018, Davos, Switzerland .

hdl:10013/epic.cd114e85-a4d4-4acf-9878-1fbdfe16d5c5

Conference -Talk

Ricker, R. , Girard-Ardhuin, F. , Krumpen, T. and Lique, C. (2018)
Satellite-derived sea ice export and its impact on Arctic ice mass balance ,

Polar 2018, Davos, Switzerland, June 2018 - June 2018 .

hdl:10013/epic.89f7fb10-e4b9-417d-b005-4b7d70d03e45

Preview

Conference -Talk

Ricker, R. , Hendricks, S. , Paul, S. , Kaleschke, L. and Tian-Kunze, X. (2018)
Recent achievements in sea ice thickness derived from radar altimetry ,

Polar 2018, Davos, Switzerland, June 2018 - June 2018 .

hdl:10013/epic.0e4a8e05-bbdd-4c93-a61c-bac28829eb09

Preview

Conference -Invited talk

Ricker, R. , Hendricks, S. , Paul, S. , Kaleschke, L. and Tian-Kunze, X. (2017)
Sea ice thickness derived from radar altimetry: achievements and future plans ,

AGU Fall Meeting, New Orleans, December 2017 - December 2017 .

hdl:10013/epic.7a64da5e-1140-48ca-82f5-eb5bbc85c648

Preview

Conference -Talk

Arndt, S. , Meiners, K. M. , Ricker, R. , Krumpen, T. , Katlein, C. and Nicolaus, M. (2017)
Influence of snow depth and surface flooding on light transmittance through Antarctic pack ice ,

International Symposium on The Cryosphere in a Changing Climate, Wellington, New Zealand, 12 February 2017 - 17 February 2017 .

hdl:10013/epic.50509

Preview

Conference -Keynote

Ricker, R. (2016)
Remote Sensing of Snow on Sea Ice ,

ESA Advanced Training Course on Remote Sensing of the Cryosphere .

hdl:10013/epic.d59f1b77-94a3-4f30-b2b8-11c96338d5a2

Preview

Conference -Invited talk

Nicolaus, M. , Hendricks, S. and Ricker, R. (2016)
Arctic Sea Ice Decline - Results from Winter 2015/16 ,

General Assembly of the European Geosciences Union .

hdl:10013/epic.47913

Preview

Conference -Poster

Nicolaus, M. , Asseng, J. , Bartsch, A. , Bräuer, B. , Fritzsch, B. , Grosfeld, K. , Huntemann, M. , Hendricks, S. , Hiller, W. , Heygster, G. , Krumpen, T. , Melsheimer, C. , Ricker, R. , Treffeisen, R. and Weigelt, M. (2016)
data.seaiceportal.de - Open Data Portal for Sea Ice Climate Data ,

EGU General Assembly, Vienna, Austria .

hdl:10013/epic.47751

Preview

Conference -Poster

Ricker, R. , Hendricks, S. , Kaleschke, L. , Schwegmann, S. , Rinne, E. and Helm, V. (2016)
Arctic and Antarctic Sea-Ice Thickness Derived from CryoSat-2, SMOS, and Envisat ,

EGU 2016, Vienna, 18 April 2016 - 22 April 2016 .

hdl:10013/epic.47758

Preview

Conference -Invited talk

Ricker, R. , Hendricks, S. , Kaleschke, L. and Helm, V. (2016)
Sea Ice Thickness obtained from Space ,

Ifremer colloquium, Ifremer, Brest, France .

hdl:10013/epic.7d787f23-8859-438f-9580-ee7f32cc9c4f

Preview

Conference -Talk

Rabe, B. , Korhonen, M. , Hoppmann, M. , Ricker, R. , Hendricks, S. , Krumpen, T. , Beckers, J. and Schauer, U. (2016)
Central Arctic Ocean freshwater during a period of anomalous melt and advection in 2015 ,

EGU General Assembly 2016, Vienna, Austria, 2016 - unspecified .

hdl:10013/epic.48834

Conference -Poster

Arndt, S. , Meiners, K. M. , Ricker, R. , Krumpen, T. , Katlein, C. and Nicolaus, M. (2016)
Influence of snow depth and surface flooding on light transmission through Antarctic pack ice ,

AGU Fall meeting, San Francisco, CA, USA, 12 December 2016 - 16 December 2016 .

hdl:10013/epic.49504

Preview

Conference -Poster

Nicolaus, M. , Arndt, S. , Asseng, J. , Bartsch, A. , Bräuer, B. , Fritzsch, B. , Grosfeld, K. , Huntemann, M. , Hendricks, S. , Hiller, W. , Heygster, G. , Krumpen, T. , Melsheimer, C. , Ricker, R. , Treffeisen, R. and Weigelt, M. (2016)
Online sea ice data platform: www.seaiceportal.de ,

XXXIV SCAR Open Science Conference, 20 August 2016 - 30 August 2016 .

hdl:10013/epic.48490

Preview

Conference -Invited talk

Ricker, R. , Hendricks, S. , Perovich, D. K. and Helm, V. (2015)
The impact of the snow cover on sea-ice thickness products, retrieved by Ku band radar altimeters ,

AGU Fall Meeting, San Francisco, December 2015 - December 2015 .

hdl:10013/epic.62893cf9-1e04-4d46-ab04-fb87c40e0d3c

Preview

Conference -Talk

Schwegmann, S. , Ricker, R. , Hendricks, S. and Nicolaus, M. (2014)
Antarctic sea-ice freeboard retrieval using CryoSat-2: possibilities, limitations, uncertainties ,

The Climate Symposium, Darmstadt, Germany, 13 October 2014 - 17 October 2014 .

hdl:10013/epic.45173

Conference -Talk

Hendricks, S. , Ricker, R. , Helm, V. , Haas, C. and Davidson, M. (2014)
Uncertainties of Sea Ice Thickness from CryoSat-2 ,

International Sea Ice Concentration and Thickness Evaluation and Intercomparison Workshop, University of Hamburg, 19 September 2014 - unspecified .

hdl:10013/epic.45047

Preview

Conference -Talk

Schwegmann, S. , Ricker, R. , Hendricks, S. and Nicolaus, M. (2014)
About first results of using Cryosat-2 for Antarctic sea-ice freeboard retrieval ,

Team workshop at the International Space Science Institute: Towards an integrated retrieval of Antarctic sea ice thickness distribution, Bern, Switzerland, 23 June 2014 - 27 June 2014 .

hdl:10013/epic.45174

Conference -Poster

Hendricks, S. , Schwegmann, S. , Krumpen, T. , Hunkeler, P. , Ricker, R. , Hoppmann, M. , Arndt, S. and Nicolaus, M. (2014)
Physical Sea Ice Properties in the Winter Weddell Sea in 2013 ,

IGS International Symposium on Sea Ice in a Changing Environment, Hobart, Tasmania, 10 March 2014 - 14 March 2014 .

hdl:10013/epic.43426

Preview

Conference -Talk

Schwegmann, S. , Hunkeler, P. , Hendricks, S. , Lemke, P. , Haas, C. , Krumpen, T. and Ricker, R. (2014)
Winter sea-ice thicknesses in the Weddell Sea and their variability over the past 24 years ,

IGS International Symposium on Sea Ice in a Changing Environment, Hobart, Tasmania, Australia, 10 March 2014 - 14 March 2014 .

hdl:10013/epic.43368

Preview

Conference -Talk

Hendricks, S. , Ricker, R. , Helm, V. , Haas, C. , Skourup, H. , Herber, A. , Schwegmann, S. , Gerdes, R. and Davidson, M. (2013)
CryoSat-2 Sea-Ice Freeboard and Thickness ,

ESA Living Planet Symposium, Edinburgh, 9 September 2013 - 13 September 2013 .

hdl:10013/epic.42309

Preview

Conference -Talk

Hendricks, S. , Ricker, R. , Helm, V. , Schwegmann, S. , Haas, C. and Herber, A. (2013)
Mass balance of sea ice in both hemispheres ,

CryoSat Third User Workshop, Dresden, 12 March 2013 - 14 March 2013 .

hdl:10013/epic.42310

Preview

Conference -Poster

Schwegmann, S. , Hendricks, S. , Ricker, R. , Haas, C. and Herber, A. (2012)
On the qualification of available sea ice freeboard data for the validation of remote sensing observations ,

MyOcean Science days, Geesthacht, Germany, 2012 - unspecified .

hdl:10013/epic.41327

Preview

Conference -Talk

Ricker, R. , Hendricks, S. , Helm, V. , Gerdes, R. and Skourup, H. (2012)
Comparison Of Sea-Ice Freeboard And Thickness Distributions From Aircraft Data And Cryosat-2 ,

Earth Observation & Cryospehere Science Conference, ESRIN, Frascati, Italy, 13 November 2012 - 16 November 2012 .

hdl:10013/epic.40969

Preview

Conference -Poster

Ricker, R. , Hendricks, S. , Helm, V. , Gerdes, R. and Skourup, H. (2012)
A Comparison of Sea-Ice Freeboard Distributions from Aircraft Data and CryoSat-2 ,

20 Years of Progress in Radar Altimetry, Venice, Italy, 24 September 2012 - 29 September 2012 .

hdl:10013/epic.40122

Preview

Miscellaneous

Hendricks, S.

ORCID: https://orcid.org/0000-0002-1412-3146 and Ricker, R.

ORCID: https://orcid.org/0000-0001-6928-7757 (2019)
Product User Guide & Algorithm Specification: AWI CryoSat-2 Sea Ice Thickness (version 2.1) ,

[Miscellaneous]

hdl:10013/epic.7dacf2fe-bead-4a1b-a266-c4fdd022877f

Preview

Miscellaneous

Ricker, R. , Hendricks, S. , Kaleschke, L. and Tian-Kunze, X. (2017)
CS2SMOS User Guide v3.0

[Miscellaneous]

hdl:10013/epic.51136

Preview

Miscellaneous

Ricker, R. , Hendricks, S. , Kaleschke, L. and Tian-Kunze, X. (2016)
CS2SMOS: Weekly Arctic Sea-Ice Thickness Data Record

[Miscellaneous]

hdl:10013/epic.48480

Preview

Miscellaneous

Hendricks, S. , Ricker, R. and Helm, V. (2016)
User Guide - AWI CryoSat-2 Sea Ice Thickness Data Product (v1.2)

[Miscellaneous]

hdl:10013/epic.48201

Preview

"Polarforschung"

Grosfeld, K. , Treffeisen, R. , Asseng, J. , Bartsch, A. , Bräuer, B. , Fritzsch, B. , Gerdes, R. , Hendricks, S. , Hiller, W. , Heygster, G. , Krumpen, T. , Lemke, P. , Melsheimer, C. , Nicolaus, M. , Ricker, R. and Weigelt, M. (2016)
Online sea-ice knowledge and data platform <www.meereisportal.de> ,

Polarforschung, Bremerhaven, Alfred Wegener Institute for Polar and Marine Research & German Society of Polar Research, 85 (2), pp. 143-155 .

doi:https://doi.org/10.2312/polfor.2016.011 , hdl:10013/epic.48083