Filters








867 Hits in 4.1 sec

STUDY ON THE RETRIEVAL OF SNOW DEPTH FROM FY3B/MWRI IN THE ATCTIC

Lele Li, Haihua Chen, Lei Guan
2016 The International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences  
After cross calibrated to the Advanced Microwave Scanning Radiometer–EOS (AMSR-E) Level 2A data, the MWRI brightness temperatures were applied to calculate the sea ice concentrations based on the Arctic  ...  Then the results were compared with the snow depths from the AMSR-E Level 3 Sea Ice products.  ...  The FY-3B/MWRI TBs products used for this study were provided courtesy by the NSMC FengYun Satellite Data Center. The Aqua/AMSR-E Level 3 Sea Ice products were provided courtesy by the NSIDC.  ... 
doi:10.5194/isprsarchives-xli-b8-513-2016 fatcat:x73duxkktjatvkzzrjhmhwwwiq

STUDY ON THE RETRIEVAL OF SNOW DEPTH FROM FY3B/MWRI IN THE ATCTIC

Lele Li, Haihua Chen, Lei Guan
2016 The International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences  
After cross calibrated to the Advanced Microwave Scanning Radiometer–EOS (AMSR-E) Level 2A data, the MWRI brightness temperatures were applied to calculate the sea ice concentrations based on the Arctic  ...  Then the results were compared with the snow depths from the AMSR-E Level 3 Sea Ice products.  ...  The FY-3B/MWRI TBs products used for this study were provided courtesy by the NSMC FengYun Satellite Data Center. The Aqua/AMSR-E Level 3 Sea Ice products were provided courtesy by the NSIDC.  ... 
doi:10.5194/isprs-archives-xli-b8-513-2016 fatcat:uqenrvjxwzcrpnmlj2ntr5sixa

Comparison of passive microwave remote-sensing snow-depth products on Arctic sea ice

Chenlei Zhang, Qing Ji, Xiaoping Pang, Jie Su, Chang Liu
2019 Polar Research  
Comparing the PM remote-sensing snow depths released by UB, NSIDC and NASA against IMB and OIB snow depths, it is found that NSIDC AMSR-E snow-depth product has the highest accuracy.  ...  Accurate snow depth is a precondition for representing thermodynamic processes in sea-ice systems and is helpful for estimating sea-ice thickness.  ...  Acknowledgements The authors would like to thank the NASA, the NSIDC and the UB for providing SSM/I, SSMIS and AMSR-E snow-depth data.  ... 
doi:10.33265/polar.v38.3432 fatcat:osptigzlffb53noch2ftstlwga

Evaluation of AMSR-E snow depth product over East Antarctic sea ice using in situ measurements and aerial photography

Anthony P. Worby, Thorsten Markus, Adam D. Steer, Victoria I. Lytle, Robert A. Massom
2008 Journal of Geophysical Research  
Lytle, and R. A. Massom (2008), Evaluation of AMSR-E snow depth product over East Antarctic sea ice using in situ measurements and aerial photography,  ...  The results show considerable underestimates of the AMSR-E snow depths for rough sea ice by a factor of 2.3.  ...  National Snow and Ice Data Center, University of Colorado, Boulder (http://www.nsidc.org). MODIS data were obtained from NASA's Distributed Active Archive Center.  ... 
doi:10.1029/2007jc004181 fatcat:ngvct6eywngkzhvywkkbjrsrlu

An Attempt to Improve Snow Depth Retrieval Using Satellite Microwave Radiometry for Rough Antarctic Sea Ice

Stefan Kern, Burcu Ozsoy
2019 Remote Sensing  
Using this proxy, we modify the above-mentioned hybrid approach and compute the snow depths on sea ice from the AMSR-E and AMSR2 data.  ...  More investigations and, in particular, more evaluations are required to optimize our approach so that the snow depths retrieved for the combined AMSR-E/AMSR2 period could serve as a data set for sea-ice  ...  Acknowledgments: We acknowledge scientific discussion and support by the project teams of the ESA-CCI sea-ice ECV project and of the EU-2020 project SPICES.  ... 
doi:10.3390/rs11192323 fatcat:lby7gdiqpjb6bhnpkr435hsrla

A Comparison of Snow Depth on Sea Ice Retrievals Using Airborne Altimeters and an AMSR-E Simulator

Donald J. Cavalieri, Thorsten Markus, Alvaro Ivanoff, Jeff A. Miller, Ludovic Brucker, Matthew Sturm, James A. Maslanik, John F. Heinrichs, Albin J. Gasiewski, Carl Leuschen, William Krabill, John Sonntag
2012 IEEE Transactions on Geoscience and Remote Sensing  
aircraft and 15 AMSR-E snow depth measurements over portions of the Chukchi 16 and Beaufort seas.  ...  The data were collected during the March 2006 National Aero-10 nautics and Space Administration (NASA) Arctic field campaign 11 utilizing the NASA P-3B aircraft.  ...  The three AMSR-E sea ice products include sea ice concentration, snow depth on sea ice, and sea ice drift. In this paper, we make use of the snow depth on sea ice product.  ... 
doi:10.1109/tgrs.2011.2180535 fatcat:f3sjyohilngqfcyyt7ajmrecfq

An intercomparison between AMSR-E snow-depth and satellite C- and Ku-band radar backscatter data for Antarctic sea ice

Stefan Kern, Burcu Ozsoy-Cicek, Sascha Willmes, Marcel Nicolaus, Christian Haas, Stephen Ackley
2011 Annals of Glaciology  
Advanced Microwave Scanning Radiometer (AMSR-E) snow-depth data for Antarctic sea ice are compared with ship-based visual observations of snow depth, ice type and ridged-ice fraction, and with satellite  ...  Most (>75%) AMSR-E and ship-based snow-depth observations agree within 0.2 m during WWOS and SIMBA. Remaining observations indicate substantial underestimations of snow depths by AMSR-E data.  ...  We acknowledge AMSR-E data provision by the NSIDC in Boulder, CO, USA. The European Space Agency (ESA) and P.  ... 
doi:10.3189/172756411795931750 fatcat:kgxjv45p55cg5duwtfo4msswdy

Satellite Remote Sensing of Snow Depth on Antarctic Sea Ice: An Inter-Comparison of Two Empirical Approaches

Stefan Kern, Burcu Ozsoy-Çiçek
2016 Remote Sensing  
of snow wetness, sea ice type and degree of deformation, the main sources for a bias in snow depth retrievals from SSM/I or AMSR-E data.  ...  Snow depth is computed using TB from the Special Sensor Microwave/Imager (SSM/I) and the Advanced Microwave Scanning Radiometer (AMSR-E).  ...  The AMSR-E snow depth data set (see above) includes AMSR-E NASA-Team 2 algorithm SIC data at 12.5 km grid resolution [32] .  ... 
doi:10.3390/rs8060450 fatcat:rarhz4fyszabjhp24h3vddofgu

Freeboard, snow depth and sea-ice roughness in East Antarctica from in situ and multiple satellite data

Thorsten Markus, Robert Massom, Anthony Worby, Victoria Lytle, Nathan Kurtz, Ted Maksym
2011 Annals of Glaciology  
Snow depth retrievals using a combination of AMSR-E and ICESat data agree with in situ data with a mean difference of 2.3 cm and a correlation coefficient of 0.84 with a negligible bias.  ...  Furthermore, incorporating ICESat roughness information into the AMSR-E snow depth algorithm significantly improves snow depth retrievals.  ...  Thanks are also extended to the expeditioners traveling to Casey for their help in collecting the snow data.  ... 
doi:10.3189/172756411795931570 fatcat:wpgqa4k2rrhyzg5lpial7t4t5y

Differences between ICESat and CryoSat‐2 sea ice thicknesses over the Arctic: Consequences for analyzing the ice volume trend

Jong‐Min Kim, Byung‐Ju Sohn, Sang‐Moo Lee, Rasmus Tage Tonboe, Eui‐Jong Kang, Hyun‐cheol Kim
2020 Journal of Geophysical Research - Atmospheres  
Two sources of readily available and non-overlapping space-borne data on sea ice thickness over the Arctic (i.e., Ice, Cloud, and land Elevation Satellite [ICESat] and CryoSat-2 [CS2]) were compared using  ...  by ~50 cm, compared to ice thickness from Operation IceBridge and upper looking sonar data.  ...  Acknowledgments The authors would like to thank the GCOM data center of JAXA for brightness temperatures and sea ice  ... 
doi:10.1029/2020jd033103 fatcat:a6gfagssonb7jmka6rq5echiva

Snow depth product over Antarctic sea ice from 2002 to 2020 using multisource passive microwave radiometers

Xiaoyi Shen, Chang-Qing Ke, Haili Li
2022 Earth System Science Data  
Here, we estimated snow depth using passive microwave radiometers and a newly constructed, robust method by incorporating lower frequencies, which have been available from AMSR-E and AMSR-2 since 2002.  ...  Snow over sea ice controls energy budgets and affects sea ice growth and melting and thus has essential effects on the climate.  ...  We thank all the data providers for their data. We thank the editors and reviewers for their constructive comments which helped to greatly improve this manuscript. Financial support.  ... 
doi:10.5194/essd-14-619-2022 fatcat:oth5wksxxvgfxmgi35ntiq3pjq

Arise (Antarctic Remote Ice Sensing Experiment) in the East 2003: validation of Satellite-derived Sea-ice data products

Robert A. Massom, Anthony Worby, Victoria Lytle, Thorsten Markus, Ian Allison, Theodore Scambos, Hiroyuki Enomoto, Takeshi Tamura, Kazutaka Tateyama, Terence Haran, Josefino C. Comiso, Andreas Pfaffling (+6 others)
2006 Annals of Glaciology  
Preliminary results are presented from the first validation of geophysical data products (ice concentration, Snow thickness on Sea ice (hs) and ice temperature (TI) from the NASA EOS Aqua AMSR-E Sensor  ...  The AMSR-E ice temperature (TI) product agrees with coincident Surface measurements to approximately 0.5˚C in the limited dataset analyzed.  ...  It was carried out as part of AAS project 2298, and formed part of NASA's AMSR-E Validation Program (http://eospso.gsfc. nasa.gov/validation/index.php) through NRA-OES-03.  ... 
doi:10.3189/172756406781811268 fatcat:vbfsvdprenffjpiz6m675gdbo4

The impact of melt ponds on summertime microwave brightness temperatures and sea-ice concentrations

Stefan Kern, Anja Rösel, Leif Toudal Pedersen, Natalia Ivanova, Roberto Saldo, Rasmus Tage Tonboe
2016 The Cryosphere  
We derive gridded daily sea-ice concentrations from microwave brightness temperatures of summer 2009.  ...  </strong> Sea-ice concentrations derived from satellite microwave brightness temperatures are less accurate during summer.  ...  We thank the named and the anonymous reviewers for very constructive and helpful comments which helped to substantially improve the manuscript.  ... 
doi:10.5194/tc-10-2217-2016 fatcat:zgxfuzb7prbnjbfuxn55eouhc4

The impact of melt ponds on summertime microwave brightness temperatures and sea ice concentrations

S. Kern, A. Rösel, L. T. Pedersen, N. Ivanova, R. Saldo, R. T. Tonboe
2016 The Cryosphere Discussions  
The sea ice concentration (SIC) derived from satellite microwave brightness temperature (TB) data are known to be less accurate during summer melt conditions &ndash; in the Arctic Ocean primarily because  ...  Using data from June to August 2009, we investigate how TBs and SICs vary as a function of the ice surface fraction (ISF) computed from open water fraction and melt pond fraction both derived from satellite  ...  We thank the named and the anonymous reviewers for very constructive and helpful comments which helped to substantially improve the manuscript.  ... 
doi:10.5194/tc-2015-202 fatcat:223ok7egqrfvzcfsplb3q4vptm

Antarctic summer sea ice concentration and extent: comparison of ODEN 2006 ship observations, satellite passive microwave and NIC sea ice charts

B. Ozsoy-Cicek, H. Xie, S. F. Ackley, K. Ye
2008 The Cryosphere Discussions  
Antarctic sea ice cover has shown a slight increase (<1%  ...  We are grateful to the National Snow and Ice Data Center in Boulder, Colorado for providing us AMSR-E images, and National Ice Center for providing ice chart data.  ...  Worby and Edward Hanna for the review and editorial comments which improved the manuscript. Edited by: E. Hanna  ... 
doi:10.5194/tcd-2-623-2008 fatcat:gkiayhjrjnh65hsh6xtyguykqq
« Previous Showing results 1 — 15 out of 867 results