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Impact of dynamic snow density on GlobSnow snow water equivalent retrieval accuracy

Pinja Venäläinen, Kari Luojus, Juha Lemmetyinen, Jouni Pulliainen, Mikko Moisander, Matias Takala
2021 The Cryosphere  
The reliability and accuracy of SWE estimates made using spaceborne microwave radiometer data can be improved by assimilating radiometer observations with weather station snow depth observations as done  ...  In this paper, three versions of spatially and temporally varying snow density fields were implemented using snow transect data from Eurasia and Canada and automated snow observations from the United States  ...  To overcome the problems connected to stand-alone passive microwave SWE retrievals, ground-based observations and satellite radiometer data can be combined as done in the assimilation approach for SWE  ... 
doi:10.5194/tc-15-2969-2021 fatcat:euqjwaxt25biri3cojb5xehfm4

Detection of Snowmelt Using Spaceborne Microwave Radiometer Data in Eurasia From 1979 to 2007

M. Takala, J. Pulliainen, S.J. Metsamaki, J.T. Koskinen
2009 IEEE Transactions on Geoscience and Remote Sensing  
The results are compared with ground-based observations of snow depth and snowmelt status available through the Russian INTAS-SSCONE observation database.  ...  Using this algorithm, a time series of the snowmelt from 1979 to 2007 is calculated for the whole Eurasia showing a trend of an earlier snow clearance. The trend is statistically significant.  ...  Snow cover and climate changes in Eurasia have been studied extensively using ground-based data, satellite instruments other than microwave radiometers, and physical parameters applying reference information  ... 
doi:10.1109/tgrs.2009.2018442 fatcat:q76lbyxvtbgnnaf5goentncwma

Snow mass decrease in the Northern Hemisphere (1979/80–2010/11)

Z. Li, J. Liu, L. Huang, N. Wang, B. Tian, J. Zhou, Q. Chen, P. Zhang
2014 The Cryosphere Discussions  
Using this new SWE product, we show that there has been a significant decreasing trend in the total mass of snow in the Northern Hemisphere.  ...  Here we verify the accuracy of three existing global SWE products and merge the most accurate aspects of them to generate a new SWE product covering the last 32 years (1979/80–2010/11).  ...  The NSIDC (SSMR & SSM/I) and NSIDC (AMER-E) SWE data for this paper are available at the National Snow 5 and Ice Data Center (NSIDC). GlobSnow SWE data is provided by European Space Agency (ESA).  ... 
doi:10.5194/tcd-8-5623-2014 fatcat:fyupn24rcrg4lgvmirdv56veua

Validation of NOAA-Interactive Multisensor Snow and Ice Mapping System (IMS) by Comparison with Ground-Based Measurements over Continental United States

Christine Chen, Tarendra Lakhankar, Peter Romanov, Sean Helfrich, Al Powell, Reza Khanbilvardi
2012 Remote Sensing  
In this study, daily maps of snow cover distribution and sea ice extent produced by NOAA's interactive multisensor snow and ice mapping system (IMS) were validated using in situ snow depth data from observing  ...  IMS provides daily maps of snow and sea ice extent within the Northern Hemisphere using data from combination of geostationary and polar orbiting satellites in visible, infrared and microwave spectrums  ...  The authors are grateful to Glen Liston from CIRA, Colorado State University for providing snow classification data and useful detailed discussion regarding this project.  ... 
doi:10.3390/rs4051134 fatcat:2coskaavejhspe7riit4ppgkn4

Hemispheric-scale comparison of monthly passive microwave snow water equivalent products

Jiuliang Liu, Zhen Li, Lei Huang, Bangsen Tian
2014 Journal of Applied Remote Sensing  
The snow water equivalent (SWE) products from passive microwave remote sensing are useful in global climate change studies due to the long-time and all-weather imaging capabilities of passive microwave  ...  and for different snow types.  ...  Acknowledgments The authors would like to thank the anonymous reviewers for their constructive advice.  ... 
doi:10.1117/1.jrs.8.084688 fatcat:cqtn5p6lonfkhhaiukf2ibaao4

EMPIRIACAL STUDY ON NIMBUS-7 SNOW MASS AND INDIAN SUMMER MONSOON RAINFALL

R. H. KRIPALANI, S. V. SINGH, A. D. VERNEKAR, V. THAPLIYAL
1996 International Journal of Climatology  
In this study the relationship between Nimbus-7 snow mass and Indian summer monsoon rainfall (ISMR) for the period 1979-1987 is examined.  ...  However, the snow cover over Eurasia for the month of April shows a significant relation with ISMR. Implications of these connections in long-range forecasting of ISMR are also examined.  ...  National Space Science Data Center Northern America snow cover Scanning multi-channel microwave radiometer Special sensor microwave instrument Very high resolution radiometer  ... 
doi:10.1002/(sici)1097-0088(199601)16:1<23::aid-joc988>3.0.co;2-j fatcat:riuflzztuvgzddty6i6dkf65c4

A blended global snow product using visible, passive microwave and scatterometer satellite data

James L. Foster, Dorothy K. Hall, John B. Eylander, George A. Riggs, Son V. Nghiem, Marco Tedesco, Edward Kim, Paul M. Montesano, Richard E. J. Kelly, Kimberly A. Casey, Bhaskar Choudhury
2011 International Journal of Remote Sensing  
Air Force/NASA blended, global snow product that utilizes Earth Observation System (EOS) Moderate Resolution Imaging Spectroradiometer (MODIS), Advanced Microwave Scanning Radiometer for EOS (AMSR-E) and  ...  The confidence for mapping snow cover extent is greater with the MODIS product than with the microwave product when cloud-free MODIS observations are available.  ...  Agency and was also supported by NASA's Hydrology Program.  ... 
doi:10.1080/01431160903548013 fatcat:t5uj5xauafa27md3d7rfof52zi

Evaluation of Remote Sensing and Reanalysis Snow Depth Datasets over the Northern Hemisphere during 1980–2016

Lin Xiao, Tao Che, Liyun Dai
2020 Remote Sensing  
The five snow depth datasets included three remote sensing datasets, i.e., Advanced Microwave Scanning Radiometer for the Earth Observing System (AMSR-E), Advanced Microwave Scanning Radiometer-2 (AMSR2  ...  AMSR-E and AMSR2 agree better with ground observations in shallow snow condition (0–10 cm), while MERRA-2 shows more satisfying performance when snow depth exceeds 50 cm.  ...  Acknowledgments: The authors thank the editors and anonymous reviewers for their comments and suggestions. Conflicts of Interest: The authors declare no conflict of interest.  ... 
doi:10.3390/rs12193253 fatcat:d4jryfpzpna5nnpest7vltspli

A satellite snow depth multi-year average derived from SSM/I for the high latitude regions

Sylvain Biancamaria, Nelly M. Mognard, Aaron Boone, Manuela Grippa, Edward G. Josberger
2008 Remote Sensing of Environment  
satellite snow depth multi-year average derived from SSM/I for high latitude regions. Remote Sensing of Environment, Elsevier, 2008, 112 (5), pp.  ...  ACKNOWLEDGEMENTS We wish to thank two anonymous reviewers for their helpful comments and suggestions which significantly improved this paper.  ...  While the temporal evolution of snow extent can be observed globally from microwave radiometers, the determination of the corresponding snow depth is more difficult.  ... 
doi:10.1016/j.rse.2007.12.002 fatcat:33xera5wp5gf3o77qsues3f6ha

Northern Hemisphere Surface Freeze/Thaw Product from Aquarius L-band Radiometers

Michael Prince, Alexandre Roy, Ludovic Brucker, Alain Royer, Youngwook Kim, Tianjie Zhao
2018 Earth System Dynamics Discussions  
The FT-AP classification algorithm is based on a seasonal threshold approach using the normalized polarization ration, references for frozen and thawed conditions and optimized thresholds.  ...  To evaluate the uncertainties of the product, we compared it with another satellite FT product also derived from passive microwave observations but at higher frequency: the resampled 37&amp;thinsp;GHz  ...  Based on the LCCBU, the thresholds found in Roy et al., (2015) were used to create FT maps for each radiometer.  ... 
doi:10.5194/essd-2018-25 fatcat:6xep7keic5b33mto373karthgy

Detection of snow surface thawing and refreezing in the Eurasian Arctic with QuikSCAT: implications for reindeer herding

Annett Bartsch, Timo Kumpula, Bruce C. Forbes, Florian Stammler
2010 Ecological Applications  
Snow conditions play an important role for reindeer herding.  ...  In particular, the formation of ice crusts after rain-on-snow (ROS) events or general surface thawing with subsequent refreezing impedes foraging. Such events can be monitored using satellite data.  ...  Scatterometers and radiometers that operate within the microwave range provide rather coarse spatial resolu-tion data, but offer daily or more frequent measurements .  ... 
doi:10.1890/09-1927.1 pmid:21265463 fatcat:ozkxddd25rflnltyhg3ju5dnca

Snow characterization at a global scale with passive microwave satellite observations

E. Cordisco, C. Prigent, F. Aires
2006 Journal of Geophysical Research  
Passive microwaves at high frequency (85 GHz) are very sensitive to the presence of snow on the ground, even for very low snow depth.  ...  1] The sensitivity of passive microwave satellite observations to snow characteristics is evaluated, between 19 and 85 GHz, for a winter season, for the Northern Hemisphere.  ...  Douville and B. Decharme from Météo-France for providing the ISBA model outputs, B. Rossow from NASA/GISS for fruitful discussions, and R.  ... 
doi:10.1029/2005jd006773 fatcat:surdg66ulvephibu6asj6zhlpu

SMOS prototype algorithm for detecting autumn soil freezing

Kimmo Rautiainen, Tiina Parkkinen, Juha Lemmetyinen, Mike Schwank, Andreas Wiesmann, Jaakko Ikonen, Chris Derksen, Sergei Davydov, Anna Davydova, Julia Boike, Moritz Langer, Matthias Drusch (+1 others)
2016 Remote Sensing of Environment  
The authors would also like to thank the data providers: The Finnish Environment Institute (SYKE) for providing frost tube observation network data, International Soil Moisture Network (ISMN) and Natural  ...  SMOS data were obtained from the "Centre Aval de Traitement des Données SMOS" (CATDS), operated for the "Centre National d'Etudes Spatiales" (CNES, France) by IFREMER (Brest, France).  ...  Compared to data products based on microwave sensors operating at higher frequencies (e.g.  ... 
doi:10.1016/j.rse.2016.01.012 fatcat:g2reh3pubnd4vav7rmhsjch3e4

Climate trends in the Arctic as observed from space

Josefino C. Comiso, Dorothy K. Hall
2014 Wiley Interdisciplinary Reviews: Climate Change  
Spring snow cover has also been observed to be declining by −2.12%/decade for the period 1967-2012.  ...  clouds from snow and ice.  ...  DiGirolamo of SSAI and NASA/GSFC, for skilled programming and help to develop figures for this manuscript.  ... 
doi:10.1002/wcc.277 pmid:25810765 pmcid:PMC4368101 fatcat:l6kcvg75ffa43exfxfxel776tu

A regional climate model hindcast for Siberia – assessing the added value of snow water equivalent using ESA GlobSnow and reanalyses

K. Klehmet, B. Geyer, B. Rockel
2012 The Cryosphere Discussions  
NCEP-R1 mostly underestimates SWE during whole snow season.  ...  CCLM overestimates SWE compared to the satellite-derived product during April -a month representing the beginning of snow melt in southern regions.  ...  ESA GlobSnow The GlobSnow product, which is mainly produced by the Finnish Meteorological Institute and Environment Canada, is based on an assimilation scheme using satellite 25 passive microwave radiometer  ... 
doi:10.5194/tcd-6-4637-2012 fatcat:tzcgjf7dfjbqna7wdhli7negfq
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