Publications | h2o-geomatics

RECENT PUBLICATIONS &

PRESENTATIONS

Publications

Murfitt, J., C. Duguay, G. Picard, and J. Lemmetyinen, 2003. Forward Modelling of SAR Backscatter during Lake Ice Melt Conditions using the Snow Microwave Radiative Transfer (SMRT) Model, The Cryosphere Discuss. [preprint], https://doi.org/10.5194/tc-2023-60, in review.

Ghiasi, Y., C.R. Duguay, J. Murfitt, M. Asgarimehr, and Y. Wu, 2023. Potential of GNSS-R for the monitoring of lake ice phenology. IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, 17: 660 – 673, doi: 10.1109/JSTARS.2023.3330745.

Mugunthan, J.S., C.R. Duguay, and E. Zakharova, 2023. Machine learning based classification of lake ice and open water from Sentinel-3 SAR altimetry waveforms. Remote Sensing of Environment, 299, https://doi.org/10.1016/j.rse.2023.113891.

Chegoonian, A.M., N. Pahlevan, K. Zolfaghari, P.R. Leavitt, J.-M. Davies, H.M. Baulch, and C.R. Duguay, 2023. Comparative analysis of empirical and machine learning models for Chla extraction using Sentinel-2 and Landsat OLI data: Opportunities, limitations and challenges. Canadian Journal of Remote Sensing, 49:1, doi: 10.1080/07038992.2023.2215333.

Nandan, V., R. Willatt, R. Mallett, J. Stroeve, T. Geldsetzer, R. Scharien, R. Tonboe, J. Landy, D. Clemens-Sewall, A. Jutila, D.N. Wagner, D. Krampe, M. Huntemann, J. Yackel, M. Mahmud, D. Jensen, T. Newman, S. Hendricks, G. Spreen, A. Macfarlane, M. Schneebeli, J. Mead, R. Ricker, M. Gallagher, C. Duguay, I. Raphael, C. Polashenski, M. Tsamados, I. Matero, and M. Hoppman, 2023. Wind transport of snow impacts Ka- and Ku-band radar signatures on Arctic sea ice. The Cryosphere, 17, 2211-2229, https://doi.org/10.5194/tc-17-2211-2023.

Shaposhnikova, M., C.R. Duguay, and P. Roy-Léveillée, 2023. Bedfast and floating ice dynamics of thermokarst lakes using a temporal deep learning mapping approach: Case study of the Old Crow Flats, Yukon, Canada. The Cryosphere, 17, 1697-1721, https://doi.org/10.5194/tc-17-1697-2023.

Carrea, L., J.-F. Crétaux, X. Liu, Y. Wu, M. Berge-Nguyen, B. Calmettes, C.R. Duguay, C.J. Merchant, N. Selmes, S.G. H. Simis, M. Warren, H. Yesou, D. Müller, D. Jiang, and C. Albergel, 2023. Satellite-derived multivariate world-wide lake physical variable timeseries for climate studies. Scientific Data, 10: 30, https://doi.org/10.1038/s41597-022-01889-z.

Murfitt, J., C. Duguay, G. Picard, and G. Gunn, 2023. Forward modelling of synthetic aperture radar backscatter from lake ice over Canadian subarctic lakes. Remote Sensing of Environment, 286, https://doi.org/10.1016/j.rse.2022.113424.

Zolfaghari, K., N. Pahlevan, S.G.H. Simis, R.E. O'Shea, and C.R. Duguay, 2022. Sensitivity of remotely sensed pigment concentration via mixture density networks (MDNs) to uncertainties from atmospheric correction. Journal of Great Lakes Research, https://doi.org/10.1016/j.jglr.2022.12.010.

Brown, L.C. and C.R. Duguay, 2022. Lake Ice. Arctic Report Card 2022, M. L. Druckenmiller, R. L. Thoman, and T. A. Moon, Eds., https://doi.org/10.25923/1v84-vt30, https://arctic.noaa.gov/Report-Card/Report-Card-2022/ArtMID/8054/ArticleID/1002/Lake-Ice.

Murfitt, J., C. Duguay, G. Picard, and G. Gunn, 2022. Investigating the effect of lake ice properties on multifrequency backscatter using the Snow Microwave Radiative Transfer (SMRT) model. IEEE Transactions on Geoscience and Remote Sensing, doi: 10.1109/TGRS.2022.3197109.

Cai, Y., C.R. Duguay, and C.-Q. Ke, 2022. A 41-year (1979-2019) passive microwave derived lake ice phenology data record of the Northern Hemisphere. Earth System Science Data, 14: 3329-3347, https://doi.org/10.5194/essd-14-3329-2022.

Mangilli, A., P. Thibaut, C.R. Duguay, and J. Murfitt, 2022. A new approach for the estimation of lake ice thickness from conventional radar altimetry. IEEE Transactions on Geoscience and Remote Sensing, doi: 10.1109/TGRS.2022.3186253.

Chegoonian, A.M., P.R. Leavitt, K. Zolfaghari, J.-M. Davies, H.M. Baulch, and C.R. Duguay, in press. A regional approach for chlorophyll-a retrieval from small eutrophic lakes via Sentinel-2. Proceedings of 2022 IEEE International Geoscience & Remote Sensing Symposium, Kuala Lumpur, Malaysia, 17-22 July.

Chegoonian, A.M., K. Zolfaghari, P.R. Leavitt, H.M. Baulch, and C.R. Duguay, 2022. Improvement of field fluorometry estimates of chlorophyll-a concentration in a cyanobacteria-rich eutrophic lake. Limnology and Oceanography: Methods, 22: 193-209, https://doi.org/10.1002/lom3.10480.

Saberi, N., K.A. Scott, and C.R. Duguay, 2022. Incorporating aleatoric uncertainties in lake ice mapping in SAR imagery using CNNs. Remote Sensing, 14(3), 644; https://doi.org/10.3390/rs14030644.

Zolfaghari, K., N. Pahlevan, C. Binding, D. Gurlin, S.G.H. Simis, A. Ruiz Verdú, L. Li, C.J. Crawford, A. VanderWoude, R. Errera, A. Zastepa, and C.R. Duguay, 2022. Impact of spectral resolution on quantifying cyanobacteria in lakes and reservoirs: A machine-learning assessment. IEEE Transactions on Geoscience and Remote Sensing, 60: 1-20, doi: 10.1109/TGRS.2021.3114635.

Ma, Z., Z. Liu, J. Pu, L. Xu, K. Li, L. Wangqu, R. Wu, Y. Ma, Y. Chen, and C. Duguay, 2021. Deep convolutional neural network with random field model for lake ice mapping from Sentinel-1 imagery. International Journal of Remote Sensing, 42(24): 9343-9367, doi: 10.1080/01431161.2021.1995074.

Zakharova, E., S. Agafonova, C. Duguay C., N. Frolova, and A. Kouraev, 2021. River ice phenology and thickness from satellite altimetry. Potential for climate studies and ice bridge road operation. The Cryosphere, 15: 5387-5407, https://doi.org/10.5194/tc-15-5387-2021.

Murfitt, J. and C.R. Duguay, 2021. 50 years of lake ice research from active microwave remote sensing: Progress and prospects. Remote Sensing of Environment, 264, 112616, https://doi.org/10.1016/j.rse.2021.112616.

Chegoonian, A.M., K. Zolfaghari, H.M. Baulch, and C.R. Duguay, 2021. Support vector regression for chlorophyll-a estimation using Sentinel-2 images in small waterbodies. Proceedings of 2021 IEEE International Geoscience & Remote Sensing Symposium, Brussels, Belgium, 11-16 July, pp. 7449-7452, doi: 10.1109/IGARSS47720.2021.9554110.

Ghiasi, Y., S. Farzaneh, K. Parvazi, and C.R. Duguay, 2021. Amplitude estimation of dominant tidal constituents using GNSS interferometric reflectometry technique. Proceedings of 2021 IEEE International Geoscience & Remote Sensing Symposium, Brussels, Belgium, 11-16 July, pp. 8546-8549, doi: 10.1109/IGARSS47720.2021.9554876.

Wu, Y., C.R. Duguay, and L. Xu, 2021. Assessment of machine learning classifiers for global lake ice cover mapping from MODIS TOA reflectance data. Remote Sensing of Environment, 253, 112206, https://doi.org/10.1016/j.rse.2020.112206.

Nitze, I., S. Cooley, C. Duguay, B.M. Jones, and G. Grosse, 2020. The catastrophic thermokarst lake drainage events of 2018 in northwestern Alaska: Fast-forward into the future. The Cryosphere, 14, 4279-4297, https://doi.org/10.5194/tc-14-4279-2020.

Ghiasi, Y., C.R. Duguay, J. Murfitt, A. Thompson, J. van der Sanden, H. Drouin, and C. Prévost, 2020. Application of GNSS interferometric reflectometry for the estimation of lake ice thickness. Remote Sensing, 12, 2721; doi:10.3390/rs12172721.

Glass, B.K., D.L., Rudolph, C.R. Duguay, and A. Wicke, 2020. Identifying groundwater discharge zones in Northern Canada using remotely sensed optical and thermal imagery. Canadian Journal of Earth Sciences, https://doi.org/10.1139/cjes-2019-0169.

Bergstedt, H., A. Bartsch, C. Duguay, and B.M. Jones, 2020. Influence of surface water on coarse resolution C-band backscatter: Implications for freeze/thaw retrieval from scatterometer data. Remote Sensing of Environment, 247, 111911, https://doi.org/10.1016/j.rse.2020.111911.

Crétaux, J.-F., C.J. Merchant, C. Duguay, S. Simis, B. Calmettes, M. Bergé-Nguyen, Y. Wu, D. Zhang, L. Carrea, X. Liu, N. Selmes, and M. Warren, 2020. ESA Lakes Climate Change Initiative (Lakes_cci): Lake products, Version 1.0. Centre for Environmental Data Analysis, 08 June 2020. doi:10.5285/3c324bb4ee394d0d876fe2e1db217378.

Hoekstra, M., M. Jiang, D. Clausi, and C. Duguay, 2020. Lake ice-water classification of RADARSAT-2 images by integrating IRGS segmentation with pixel-based random forest labeling. Remote Sensing, 12, 1425; doi:10.3390/rs12091425.

Murfitt, J. and C.R. Duguay, 2020. Assessing the performance of methods for monitoring ice phenology of the world’s largest high arctic lake using high density time series analysis of Sentinel-1 data. Remote Sensing, 12, 382; doi:10.3390/rs12030382.

Duguay, C.R. and J. Wang, 2019. Advancement in bedfast lake ice mapping from Sentinel-1 SAR data. Proceedings of 2019 IEEE International Geoscience & Remote Sensing Symposium, Yokohama, Japan, 28 July-2 August, pp. 6922-6925, doi: https://doi.org/10.1109/IGARSS.2019.8900650.

Kang, K.-K., M. Hoekstra, M. Foroutan, A.M. Chegoonian, K. Zolfaghari, and C.R. Duguay, 2019. Operating procedures and calibration of a hyperspectral sensor onboard a remotely piloted aircraft system for water and agriculture monitoring. Proceedings of 2019 IEEE International Geoscience & Remote Sensing Symposium, Yokohama, Japan, 28 July-2 August, pp. 9200-9203, doi: https://doi.org/10.1109/IGARSS.2019.8900128.

Zolfaghari, K., M. Hoekstra, C. Duguay, D. Rudolph, and I. D'Souza, 2019. Canadian water microsatellite mission - concept design. Proceedings of 2019 IEEE International Geoscience & Remote Sensing Symposium, Yokohama, Japan, 28 July-2 August, pp. 6926-6928, doi: https://doi.org/10.1109/IGARSS.2019.8897898.

Published Datasets

Shaposhnikova, M., C.R. Duguay, and P. Roy-Léveillée, 2022. Annotated time-series of lake ice C-band synthetic aperture radar backscatter created using Sentinel-1, ERS-1/2, and RADARSAT-1 imagery of Old Crow Flats, Yukon, Canada. PANGAEA, https://doi.pangaea.de/10.1594/PANGAEA.947789.

Cai, Y., C.R. Duguay, and C.-Q. Ke, 2022. Lake ice phenology in the Northern Hemisphere extracted from SMMR, SSM/I and SSMIS data from 1979 to 2021. PANGAEA, https://doi.org/10.1594/PANGAEA.946231.

Carrea, L.; Crétaux, J.-F.; Liu, X.; Wu, Y.; Bergé-Nguyen, M.; Calmettes, B.; Duguay, C.; Jiang, D.; Merchant, C.J.; Mueller, D.; Selmes, N.; Spyrakos, E.; Simis, S.; Stelzer, K.; Warren, M.; Yesou, H.; Zhang, D., 2022. ESA Lakes Climate Change Initiative (Lakes_cci): Lake products, Version 2.0. NERC EDS Centre for Environmental Data Analysis, 18 March 2022. doi:10.5285/ab8d21568c81491fbb9a300c36884af7.

Cai, Y., C.R. Duguay, and C.-Q. Ke, 2021. Lake ice phenology in the Northern Hemisphere extracted from SMMR, SSM/I and SSMIS data from 1979 to 2020. Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research, Bremerhaven, PANGAEA, https://doi.org/10.1594/PANGAEA.937904.

Crétaux, J.-F., C.J. Merchant, C. Duguay, S. Simis, B. Calmettes, M. Bergé-Nguyen, Y. Wu, D. Zhang, L. Carrea, X. Liu, N. Selmes, and M. Warren, 2021. ESA Lakes Climate Change Initiative (Lakes_cci): Lake products, Version 1.1. NERC EDS Centre for Environmental Data Analysis, 12 July 2021. doi:10.5285/ef1627f523764eae8bbb6b81bf1f7a0a.

Nitze, I., S.W. Cooley, C.R. Duguay, B.M. Jones, and G. Grosse, 2020. Spatial lake dynamics and lake-ice datasets of the Northern Seward and Baldwin Peninsulas in Alaska. Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research, Bremerhaven, PANGAEA, https://doi.org/10.1594/PANGAEA.922808.

Nitze, I., S.W. Cooley, C.R. Duguay, B.M. Jones, and G. Grosse, 2020. Supplementary datasets and illustrations to Nitze et al., 2020, GitHub, available at: https://github.com/initze/NW_Alaska_Drainage_Paper.

Presentations

Carrea, L. and 17 co-authors (including C. Duguay), 2023. Satellite-derived multivariate world-wide lake physical variable time series for climate studies. HYDROSPACE 2023 - The Fifth Space for Hydrology Workshop, Lisbon, Portugal, 27 November-1 December.

Ghiasi, Y. and C.R. Duguay, 2023. Opportunities for lake ice remote sensing from current and future Global Navigation Satellite System Reflectometry (GNSS-R) missions. HYDROSPACE 2023 - The Fifth Space for Hydrology Workshop, Lisbon, Portugal, 27 November-1 December.

Johnston, S., J. Murfitt, and C. Duguay, 2023. A deep learning approach for lake ice cover forecasting. HYDROSPACE 2023 - The Fifth Space for Hydrology Workshop, Lisbon, Portugal, 27 November-1 December.

Mangilli, A., C. Duguay, P. Thibaut, J. Murfitt, S. Amraoui, T. Moreau, C. Donlon, C. Albergel, and J. Bouffard, 2023. Improving the retrieval of lake ice thickness with radar altimetry data. HYDROSPACE 2023 - The Fifth Space for Hydrology Workshop, Lisbon, Portugal, 27 November-1 December.

Mugunthan, J.S., C.R. Duguay, and E. Zakharova, 2023. A convolutional neural network for the classification of lake surface conditions from SAR altimetry waveforms. HYDROSPACE 2023 - The Fifth Space for Hydrology Workshop, Lisbon, Portugal, 27 November-1 December.

Zakharova E., K. Nielsen, A. Kouraev, P. Thorne, I. Krylenko, S. Biancamaria, C. Duguay, M. Restano, and J. Benveniste, 2023. Altimetry for hydrology of Arctic rivers. HYDROSPACE 2023 - The Fifth Space for Hydrology Workshop, Lisbon, Portugal, 27 November-1 December.

Zolfaghari, K., N. Pahlevan, S.G.H. Simis, R.E. O'Shea, and C.R. Duguay, 2023. Sensitivity of MDN-retrieved chlorophyll-a and phycocyanin to uncertainties in reflectance products. 2023 IEEE International Geoscience & Remote Sensing Symposium, Pasadena, California, USA, 16-21 July.

Duguay, C.R., J. Murfitt, G. Picard, E.A. Zakharova, M. Restano, and J. Benveniste, 2023. Forward simulations of radar backscatter and brightness temperature from lake ice, and comparison with measurements from satellite altimetry missions. 28th General Assembly of the International Union of Geodesy and Geophysics (IUGG 2023), Berlin, Germany, 11-20 July.

Pinardi, M., M. Bresciani, R. Caroni, G. Tellina, J.F Crétaux, S. Simis, C. Duguay, C.J. Merchant, H. Yesou, A. Andral, and C. Giardino, 2023. The Lakes_cci project: presenting the satellite-derived lakes variables for climate studies. 25th Workshop on Physical Processes in Natural Waters, Brescia, Italy, 19-23 June.

Roy-Léveillée, P., K. Turner, F. Calmels, C. Duguay, M. Shaposhnikova, A.B. St-Amour, and M. Kay, 2023. Catastrophic drainages and landscape evolution in Old Crow Flats, Yukon. EUCOP2023 - The European Conference on Permafrost, 18-22 June, Puigcerdà, Spain.

Scharien, R. and 9 co-authors (including C. Duguay), 2023. Seasonal variations in L-band frequency microwave backscatter from Arctic sea ice using surface and satellite observations. IGS 2023 - International Symposium on Sea Ice 2023 - Sea Ice Across Temporal and Spatial Scales, Bremerhaven, Germany, 4-9 June.

Dallosch, M., C. Duguay, and H. Kheyrollah Pour, 2023. The role of lake physical variables and atmospheric forcing on the change in algal biomass in North American Great Lakes. ASLO Aquatic Sciences Meeting 2023 - Resilience and Recovery in Aquatic Systems, Palma de Mallorca, Spain, 4-9 June.

Duguay, C., Y. Wu, L. Brown, Y. Cai, J. Murfitt, and J. S. Mugunthan, 2023. Recent global trends and variability in lake ice cover documented from satellite observations. ASLO Aquatic Sciences Meeting 2023 - Resilience and Recovery in Aquatic Systems, Palma de Mallorca, Spain, 4-9 June.

Zolfaghari, K., N. Pahlevan, A.M. Chegoonian, A. Saranathan, C. Giardino, and C. Duguay, 2023. Preliminary analysis of near-coincident hyperspectral and multispectral imagery across European waters. ASLO Aquatic Sciences Meeting 2023 - Resilience and Recovery in Aquatic Systems, Palma de Mallorca, Spain, 4-9 June.

Ghiasi, Y. and C.R. Duguay, 2023. Opportunities for lake ice remote sensing from current and future global navigation satellite system reflectometry (GNSS-R) missions. IEEE GNSS+R 2023, Boulder, Colorado, USA, 24-26 May.

Chegoonian, A.M., P.R. Leavitt, and C.R. Duguay, 2023. Recommendations on satellite retrieval of chla in small inland waters via locally-trained machine learning models: A prairie lakes case study. 2023 Annual Meeting of the CGU, Banff, Alberta, Canada, 7-10 May.

Murfitt, J., C.R. Duguay, G. Picard, and J. Lemmetyinen, 2023. Modelling SAR backscatter from lake ice under wet conditions using the Snow Microwave Radiative Transfer (SMRT) model. European Geosciences Union (EGU) General Assembly 2023, Vienna, Austria, 23-28 April, EGU23-10182, https://doi.org/10.5194/egusphere-egu23-10182.

Ghiasi, Y., C.R. Duguay, J. Murfitt, Y. Wu, and M. Asgarimehr, 2023. Monitoring lake ice phenology from CYGNSS: Algorithm development and assessment using Qinghai Lake, Tibet Plateau, as a case study. European Geosciences Union (EGU) General Assembly 2023, Vienna, Austria, 23-28 April, EGU23-1340, https://doi.org/10.5194/egusphere-egu23-1340.

Nandan, V. and 11 co-authors (including C. Duguay), 2023. Year‐long measurements of snow‐covered sea ice using KuKa radar. 2nd MOSAiC Science Conference, Boulder, USA, 13-17 February.

Spreen, G. and 26 co-authors (including C. Duguay), 2023. Remote sensing of sea ice on the MOSAiC ice floe – What have we learned? 2nd MOSAiC Science Conference, Boulder, USA, 13-17 February.

Ghiasi, Y., C.R. Duguay, J. Murfitt, Y. Wu, and M. Asgarimehr, 2022. Monitoring lake ice phenology from CYGNSS: Algorithm development and assessment using Qinghai Lake, Tibet Plateau, as a case study. ArcticNet Annual Scientific Meeting 2022, Toronto, Canada, 5-8 December.

Brown, L., Murfitt, J., and C. Duguay, 2022. Recent ice cover changes on large lakes in the Northern Hemisphere. ArcticNet Annual Scientific Meeting 2022, Toronto, Canada, 5-8 December.

Duguay, C.R., G. Picard, E.A. Zakharova, J. Murfitt, M. Restano, and J. Benveniste, 2022. Sensitivity of Sentinel-3 and Jason-2/3 radar altimetry and microwave radiometry measurements to variable ice and snow properties on large northern lakes. 7th Sentinel-3 Validation Team Meeting, Frascati, Italy, 18-20 October.

Mugunthan, J.S., C.R. Duguay, and E. Zakharova, 2022. Evaluation of machine learning algorithms for the classification of lake ice and open water from Sentinel-3 SAR altimetry waveforms. 7th Sentinel-3 Validation Team Meeting, Frascati, Italy, 18-20 October.

Zakharova, E., C. Duguay, J. Lemmetyinen, J. Murfitt, E. Obligis, and C. Martin-Puig, 2022. Comparison of Sentinel-3, Jason-3, and Sentinel-6 altimetric and radiometric measurements over freshwater ice: Case study of Great Slave Lake (Canada) and Lake Oulujärvi (Finland). 7th Sentinel-3 Validation Team Meeting, Frascati, Italy, 18-20 October.

Tellina, G. and 13 co-authors (including C. Duguay), 2022. Observing long-term trends and extreme events impacts on lakes using ESA's CCI Satellite Data Package. SISC 10th Annual Conference “SISC2022: Governing the Future”, Rome, Italy, 19-22 October.

Ghiasi, Y., C. Duguay, J. Murfitt, and M. Asgarimehr, 2022. Monitoring lake ice phenology from CYGNSS: Algorithm development and assessment using Qinghai Lake, Tibet Plateau, as a case study. ION GNSS+ 2022, Denver, USA, 19-23 September.

Chegoonian, A.M., P.R. Leavitt, K. Zolfaghari, J.-M. Davies, H.M. Baulch, and C.R. Duguay, 2022. A regional approach for chlorophyll-a retrieval from small eutrophic lakes via Sentinel-2. 2022 IEEE International Geoscience & Remote Sensing Symposium, Kuala Lumpur, Malaysia, 17-22 July.

Zolfaghari, K., N. Pahlevan, R.E. O’Shea, S. Simis, and C.R. Duguay, 2022. Preliminary assessment of atmospheric correction methods for Sentinel-3/OLCI imagery in western Lake Erie: Implications for harmful algal bloom monitoring. 2022 IEEE International Geoscience & Remote Sensing Symposium, Kuala Lumpur, Malaysia, 17-22 July.

Dallosch, M., C. Duguay, and H. Kheyrollah Pour, 2022. Lake ice as a predictor of algal biomass in North American Great Lakes. 10th International Conference on Agro-Geoinformatics and 43rd Canadian Symposium on Remote Sensing, Québec City, Canada, 11-14 July.

Ghiasi, Y., C. Duguay, J. Murfitt, and Y. Wu, 2022.The feasibility of GNSS reflectometry for monitoring lake ice surface condition. 10th International Conference on Agro-Geoinformatics and 43rd Canadian Symposium on Remote Sensing, Québec City, Canada, 11-14 July.

Chegoonian, A.M., N. Pahlevan, K. Zolfaghari, P.R. Leavitt, J.-M. Davies, H.M. Baulch, and C.R. Duguay, 2022. Quantification of chlorophyll-a concentration in small eutrophic lakes using Sentinel-2 and Landsat-8 imagery. 10th International Conference on Agro-Geoinformatics and 43rd Canadian Symposium on Remote Sensing, Québec City, Canada, 11-14 July.

Murfitt, J., C. Duguay, J. Lemmetyinen, and G. Picard, 2022. Forward modelling of SAR backscatter during lake ice melt conditions using the Snow Microwave Radiative Transfer (SMRT) model. The Canadian Meteorological and Oceanographic Society (CMOS) 56th Congress, the Canadian Geophysical Union (CGU) Annual Meeting, and the 78th Eastern Snow Conference (ESC), 1-8 June.

Carrea, L., S. Simis, X. Liu, J.-F. Crétaux, C. Merchant, C. Duguay, Y. Wu, and B. Calmetttes, 2022. Multivariable global lake dataset for climate applications from the first phase of European Space Agency Climate Change Initiative Plus. ESA Living Planet Symposium, Bonn, Germany, 23-27 May.

Chegoonian, A.M., N. Pahlevan, K. Zolfaghari, P.R. Leavitt, J.-M. Davies, H.M. Baulch, and C.R. Duguay, 2022. Quantification of chlorophyll-a in small eutrophic lakes using Sentinel-2 and Landsat-8 imagery and locally tuned machine learning models. ESA Living Planet Symposium, Bonn, Germany, 23-27 May.

Duguay, C.R., G. Picard, E.A. Zakharova, J. Murfitt, M. Restano, and J. Benveniste, 2022. Impact of varying snow and ice properties of northern lakes on backscatter and brightness temperature measurements from altimetry missions: Results from the ESA LIAM project. ESA Living Planet Symposium, Bonn, Germany, 23-27 May.

Ghiasi, Y., C.R. Duguay, J. Murfitt, Y. Wu, and M. Asgarimehr, 2022. Monitoring lake ice phenology from CYGNSS: Algorithm development and assessment using Qinghai Lake, Tibet Plateau, as a case study. ESA Living Planet Symposium, Bonn, Germany, 23-27 May.

Murfitt, J., C.R. Duguay, G. Picard, and G. Gunn, 2022. Progress towards representation of freshwater lake ice in SMRT: Successes and challenges. ESA Living Planet Symposium, Bonn, Germany, 23-27 May.

Wu. Y., C.R. Duguay, and D. Zhang, 2022. A new MODIS-based global lake ice cover data record (2000-2020): A contribution to ESA’s CCI+ Lakes project. ESA Living Planet Symposium, Bonn, Germany, 23-27 May.

Zakharova E., A. Kouraev, C. Duguay, S. Agafonova, N. Frolova, G. Picard, and J. Murfitt, 2022. Satellite observation of freshwater ice: from physics to people’s safety. ESA Living Planet Symposium, Bonn, Germany, 23-27 May.

Zolfaghari, K., N. Pahlevan, C. Binding, D. Gurlin, S.G.H. Simis, A. Ruiz Verdú, L. Li, C.J. Crawford, A. VanderWoude, R. Errera, A. Zastepa, and C.R. Duguay, 2022. Impact of spectral resolution on quantifying cyanobacteria in lakes and reservoirs: A machine-learning assessment. ESA Living Planet Symposium, Bonn, Germany, 23-27 May.

Mangilli, A., P. Thibaut, C. Duguay, and J. Murfitt, 2022. A new approach for the retrieval of lake ice thickness from satellite altimetry missions: Results from the ESA CCI+ Lakes and S6JTEX projects. Continued, enhanced ocean altimetry and climate monitoring from space conference - 2022 Ocean Surface Topography Science Team (OSTST) meeting, Venice, Italy, 21-25 March.

Mugunthan, J.S., C.R. Duguay, and E. Zakharova, 2022. Machine learning based classification of lake ice and open water from SAR altimetry waveform parameters. Continued, enhanced ocean altimetry and climate monitoring from space conference - 2022 Ocean Surface Topography Science Team (OSTST) meeting, Venice, Italy, 21-25 March (virtual event) and 31 October-4 November (in person).

Ghiasi, Y., C.R. Duguay, J. Murfitt, Y. Wu, and M. Asgarimehr, 2021. Monitoring lake ice phenology from GNSS reflectometry: An analysis of CYGNSS data from Qinghai Lake, China. AGU 2021 Fall Meeting, New Orleans, Louisiana, 13-17 December.

Ghiasi, Y., C.R. Duguay, J. Murfitt, and L. Brown, 2021. The impact of meteorological events on GNSS interferometric reflectometry for lake ice remote sensing. MedGU2021 - Mediterranean Geosciences Union Annual Meeting, Istanbul, Turkey, 25-28 November.

Chegoonian, A.M., K. Zolfaghari, H.M. Baulch, and C.R. Duguay, 2021. Support vector regression for chlorophyll-a estimation using Sentinel-2 images in small inland waters. 2021 IEEE International Geoscience & Remote Sensing Symposium, 11-16 July.

Ghiasi, Y., S. Farzaneh, K. Parvazi, and C.R. Duguay, 2021. Amplitude estimation of dominant tidal constituents using GNSS interferometric reflectometry technique. 2021 IEEE International Geoscience & Remote Sensing Symposium, 11-16 July.

Scott, K.A., N. N. Saberi, and C.R. Duguay, 2021. Investigating the uncertainty in predictions of lake ice cover using convolutional neural networks. 42nd Canadian Symposium on Remote Sensing, 21-25 June.

Murfitt, J., C. Duguay, G. Gunn, and G. Picard, 2021. Exploring the impact of changes in lake ice properties on multifrequency active microwave backscatter. 42nd Canadian Symposium on Remote Sensing, 21-25 June.

Brown, L., Murfitt, J., and C. Duguay, 2021. Recent changes in ice cover duration on large lakes in the Northern Hemisphere. 42nd Canadian Symposium on Remote Sensing, 21-25 June.

Gifty, A., H. Kheyrollah Pour, J. Thompson, A. Scott, and C. Duguay, 2021. Spatial variability of lake ice thickness and phenology on large northern lakes. 42nd Canadian Symposium on Remote Sensing, 21-25 June.

Picard, G., F. Larue, J. Aublanc, P. Thibaut, M. Sandells, H. Löwe, J. Murfitt, and C. Duguay, 2021. The new altimetric module in Snow Microwave Radiative Transfer Model for snow (SMRT). CryoSat 10th Anniversary Science Conference, 14-17 June.

Mangilli, A., C. Duguay, E. Zakharova, A. Kouraev, and P. Thibaut, 2021. Retrieval of lake ice thickness from satellite altimetry missions: early results from ESA CCI+ Lakes. HYDROSPACE-GEOGloWS 2021 - Inland Water Storage and Runoff: Modeling, In Situ Data and Remote Sensing, 7-11 June.

Duguay, C.R., G. Picard, E.A. Zakharova, J. Murfitt, M. Restano, and J. Benveniste, 2021. Investigating the impact of ice and snow properties on the estimation of lake ice thickness from altimetry missions. HYDROSPACE-GEOGloWS 2021 - Inland Water Storage and Runoff: Modeling, In Situ Data and Remote Sensing, 7-11 June.

Duguay, C.R., J. Hagerman, J. Murfitt, G. Picard, and E.A. Zakharova, 2021. Passive microwave retrieval of lake ice cover and thickness: advances and opportunities. From Science to Operations for Copernicus Imaging Microwave Radiometer (CIMR) Mission, 10-12 May.

Spreen, G. and 26 co-authors (including C. Duguay), 2021. Remote sensing of sea ice on the MOSAiC ice floe. Arctic Science Summit Week (ASSW) 2021, Lisbon, Portugal, 20-26 March.

Spreen, G. and 26 co-authors (including C. Duguay), 2021. The MOSAiC expedition and microwave remote sensing of sea ice. Scientific Workshop on the Optimal Use of Operational Satellite Microwave Products for High Latitude and Polar Areas Models, 23-24 February.

Picard, G., F. Larue, J. Aublanc, P. Thibaut, M. Sandells, H. Löwe, J. Murfitt, C. Duguay, 2021. The new altimetric module in Snow Microwave Transfer Model for snow (SMRT). DUAL-CRYO - Workshop on Dual-Band Altimetry of the Cryosphere, 13-14 January.

Duguay, C.R., G. Picard, E.A. Zakharova, J. Murfitt, M. Restano, and J. Benveniste, 2020. Sensitivity of backscatter and brightness temperature measurements from satellite radar altimetry missions to lake ice thickness. AGU 2020 Fall Meeting, San Francisco, California, 1-17 December.

Spreen, G. and 26 co-authors (including C. Duguay), 2020. Remote sensing of sea ice on the MOSAiC ice floe. AGU 2020 Fall Meeting, San Francisco, California, 1-17 December.

Nandan, V. and 20 co-authors (including C. Duguay), 2020. Ku- and Ka-band radar signatures of winter snow-covered sea ice: Observations from the 2019-2020 MOSAiC international Arctic drift expedition. AGU 2020 Fall Meeting, San Francisco, California, 1-17 December.

Murfitt, J., C.R. Duguay, G. Picard, and G. Gunn, 2020. Initial investigations into the application of SMRT for lake ice forward modelling. AGU 2020 Fall Meeting, San Francisco, California, 1-17 December.

Ghiasi, Y., C.R. Duguay, and J. Murfitt, 2020. Application of GNSS interferometric reflectometry for the estimation of lake ice thickness. AGU 2020 Fall Meeting, San Francisco, California, 1-17 December.

Zakharova, E., S. Agaphonova, C. Duguay, N. Frolova, and A. Kouraev, 2020. River ice monitoring using radar altimetry. Earth Observation for Water Cycle Science 2020, Versailles, France, 16-18 November.

Saberi, N., A. Scott, and C. Duguay, 2020. Lake ice mapping from RADARSAT and MODIS with deep learning. 41st Canadian Symposium on Remote Sensing, 13-16 July.

Zolfaghari, K., A.J. Vander Woude and C.R. Duguay, 2020. Retrieval of water quality parameters from NOAA hyperspectral data using neural networks - western Lake Erie. 2020 ASLO Aquatic Sciences Meeting, San Diego, California, 16-21 February.

Bartsch, A. and ESA DUE GlobPermafrost & CCI+ Permafrost teams, 2019. Examining Environmental Gradients in permafrost regions – achievements of the ESA DUE GlobPermafrost project and first results from ESA CCI+ Permafrost. AGU 2019 Fall Meeting, San Francisco, California, 9-13 December.

Bergstedt, H., C.R. Duguay, C. Kroisleitner, and B. Jones, 2019. Accounting for spatial heterogeneity of freeze/thaw cycles in surface state retrieval for permafrost landscapes. AGU 2019 Fall Meeting, San Francisco, California, 9-13 December.

Wu, Y. and C. Duguay, 2019. Lake ice mapping with machine learning techniques using multispectral optical remote sensing data. AGU 2019 Fall Meeting, San Francisco, California, 9-13 December.

Bresciani, M., M. Pinardi, C. Giardino, G. Free, S. Simis, J-F. Crétaux, C. Merchant, H. Yesou, C. Duguay, B. Coulon, 2019. Delivering the lake Essential Climate Variable: An update from ESA CCI Lakes. ClimRisk19 | Climate Risk: implications for ecosystem services and society, challenges, solutions, Trento, Italy, 23-25 October.

Duguay, C., 2019. Evolution of satellite-derived lake ice products for weather forecasting and climate change studies. 6th Workshop on Parameterization of Lakes in Numerical Weather Prediction and Climate Modelling, Toulouse, France, 21-25 October.

Murfitt, J., C. Duguay, and J. Wang, 2019. Monitoring lake ice on the largest High Arctic lake using high-density SAR time series. 21st William T. Pecora Memorial Remote Sensing Symposium and the 38th International Symposium on Remote Sensing of Environment, Baltimore, USA, 6-11 October.

Murfitt, J. and C. Duguay, 2019. Monitoring ice phenology for Lake Hazen using high density time series analysis: Comparing threshold-based methodologies. ASAR 2019 Workshop, Saint-Hubert, Quebec, 1-3 October.

Yackel, J., R. Scharien, C. Duguay, and G. Spreen, 2019. Canadian Scatterometers (CanScats) for snow covered sea ice process studies during MOSAiC. IGS International Symposium on Sea Ice, Winnipeg, Manitoba, 18-23 August.

Duguay, C.R. and J. Wang, 2019. Advancement in bedfast lake ice mapping from Sentinel-1 SAR data. 2019 IEEE International Geoscience & Remote Sensing Symposium, Yokohama, Japan, 28 July-2 August.

Kang, K.-K., M. Hoekstra, M. Foroutan, A.M. Chegoonian, K. Zolfaghari, and C.R. Duguay, 2019. Operating procedures and calibration of a hyperspectral sensor onboard a remotely piloted aircraft system for water and agriculture monitoring. 2019 IEEE International Geoscience & Remote Sensing Symposium, Yokohama, Japan, 28 July-2 August.

Zolfaghari, K., M. Hoekstra, C. Duguay, D. Rudolph, and I. D'Souza, 2019. Canadian water microsatellite mission - concept design. 2019 IEEE International Geoscience & Remote Sensing Symposium, Yokohama, Japan, 28 July-2 August.

Derksen, C., D. Burgess, C. Duguay, S. Howell, L. Mudryk, S. Smith, and C. Thackeray, 2019. Observed and projected changes in snow, ice, and permafrost across Canada. 27th General Assembly of the International Union of Geodesy and Geophysics (IUGG), Montréal, Canada, 8-18 July.

Duguay, C.R. and J. Wang, 2019. Arctic-wide ground-fast lake ice mapping with Sentinel-1. ESA Living Planet Symposium, Milan, Italy, 13-17 May.

Bartsch, A., G. Grosse, A. Kääb, S. Westermann, T. Strozzi, A.Wiesmann, C. Duguay, F.-M. Seifert, J. Obu, I. Nitze, B. Heim, A. Haas, B. Widhalm, S. Muster, G. Hugelius, R. Delaloye, and H. Matthes, 2019. Examining environmental gradients in permafrost regions – achievements of the ESA DUE GlobPermafrost project and opportunities for ESA CCI+ Permafrost. ESA Living Planet Symposium, Milan, Italy, 13-17 May.

Hoekstra, M., M. Foroutan, K.-K. Kang, C.R. Duguay, 2019. Preliminary testing of senseFly thermoMAP infrared camera for surface water temperature measurements of a small lake – St. Agatha, Ontario, Canada. IEEE GRSS STRATUS 2019 Workshop, Rochester, NY, USA, 25-25 February.

Duguay, C.R., J.-F. Crétaux, S. Simis, C. Merchant, and C. Giardino, 2019. Delivering the lake essential climate variables - an update from ESA CCI Lakes. 2019 ASLO Aquatic Sciences Meeting, San Juan, Puerto Rico, 23 February-2 March.

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