Accuracy assessment of RTK-GNSS equipped UAV conducted as-built surveys for construction site modellingVarbla, Sander; Puust, Raido; Ellmann, ArtuSurvey review2021 / p. 477-492 https://doi.org/10.1080/00396265.2020.1830544 Journal metrics at Scopus Article at Scopus Journal metrics at WOS Article at WOS

Advancements in underground mine surveys by using SLAM-enabled handheld laser scannersEllmann, Artu; Kütimets, Kaia; Varbla, Sander; Väli, Erik; Kanter, SanderSurvey review2022 / p. 363-374 https://doi.org/10.1080/00396265.2021.1944545 Journal metrics at Scopus Article at Scopus Journal metrics at WOS Article at WOS

Advantages of low-cost LiDAR sensors in surveying underground utility networksJerjomina, Angelina; Varbla, SanderTunnelling and underground space technology2024 / art. 106325 https://doi.org/10.1016/j.tust.2024.106325

Airborne laser scanning derived sea surface height datasets in the Gulf of Finland (10.05.2018)Varbla, Sander; Ellmann, Artu; Delpeche-Ellmann, Nicole CamilleSEANOE2020 https://doi.org/10.17882/76491

Applications of airborne laser scanning for determining marine geoid and surface waves propertiesVarbla, Sander; Ellmann, Artu; Delpeche-Ellmann, Nicole CamilleEuropean journal of remote sensing2021 / p. 558−568 https://doi.org/10.1080/22797254.2021.1981156 Journal metrics at Scopus Article at Scopus Journal metrics at WOS Article at WOS

Assessment of marine geoid models by shipborne GNSS and airborne laser scanning profilesVarbla, Sander; Ellmann, Artu[EUREF2019 abstracts]2019 / p. [59] https://www.maaamet.ee/euref2019/EUREF2019-Abstracts.pdf

Assessment of marine geoid models by ship-borne GNSS profilesVarbla, Sander; Ellmann, Artu; Märdla, Silja; Gruno, AntiGeodesy and cartography2017 / p. 41-49 : ill https://doi.org/10.3846/20296991.2017.1330771 Journal metrics at Scopus Article at Scopus

Assessment of marine geoid models by ship-borne GNSS profiles in the Gulf of Finland ; S3-P21Varbla, Sander; Ellmann, Artu; Gruno, AntiInternational Symposium Gravity, Geoid and Height Systems 2 : GGHS2018 : “Gravity Field Of The Earth” : The 2nd joint meeting of the International Gravity Field Service and Commission 2 of the International Association of Geodesy, Copenhagen, Denmark, Sept. 17-21, 2018 : abstract book2018 / p. 81

Centimetre-range deformations of built environment revealed by drone-based photogrammetryVarbla, Sander; Ellmann, Artu; Puust, RaidoAutomation in Construction2021 / art. 103787 https://doi.org/10.1016/j.autcon.2021.103787 Journal metrics at Scopus Article at Scopus Journal metrics at WOS Article at WOS

Deeper insights into the validation of hydrodynamic models using a synergy of  remote sensing dataDelpeche-Ellmann, Nicole Camille; Varbla, Sander; Jahanmard, Vahidreza; Ellmann, ArtuBaltic Earth Workshop Climate projections and uncertainties in the northern Baltic Sea region, Helsinki, Finland, 19-20 November, 2019 : Programme, Abstracts, Participants2019 / p. 14-15

Development of continuous dynamic vertical reference for maritime and offshore engineering by applying geodetic and machine learning strategiesEllmann, Artu; Delpeche-Ellmann, Nicole Camille; Varbla, Sander; Rajabi Kiasari, Saeed; Jahanmard, Vahidreza; Kupavõh, AlekseiEGU General Assembly 20252025 / art. EGU25-20596 https://doi.org/10.5194/egusphere-egu25-20596

Documentation of the BSCD2000 height reference gridSchwabe, J.; Ågren, J.; Liebsch, G.; Varbla, Sander; Teitsson, H.; Strykowski, G.; Ellmann, Artu; Forsberg, R.; Bilker-Koivula, M.; Liepiņš, I.2023

Eesti geodeedid rahvusvahelises teadusesVarbla, Sander; Ellmann, ArtuGeodeet2019 / lk. 56-58 : fot http://www.ester.ee/record=b1072198*est https://artiklid.elnet.ee/record=b2883052*est

EhitusgeodeesiaKala, Vello; Varbla, Sander; Kakko, Mairolt; Ellmann, Artu2025 https://www.ester.ee/record=b5756579*est

Esimesed kogemused sateliit-tehisavaradari (SAR) aktiivtransponderitega EestisVarbla, Sander; Ellmann, ArtuGeodeet2020 / lk. 30-35 : ill http://www.ester.ee/record=b1072198*est

The forthcoming Baltic Sea Chart Datum 2000 – how harmonized height reference benefits sustainabilitySchwabe, Joachim; Ågren, Jonas; Liebsch, Gunter; Varbla, Sander; Ellmann, Artu; Teitsson, Hergeir; Forsberg, Rene; Strykowski, Gabriel; Bilker-Koivula, Mirjam; Westfeld, PatrickXXVIII General Assembly of the International Union of Geodesy and Geophysics (IUGG)2023 https://doi.org/10.57757/IUGG23-2441

Geodeesiakonverentsid Põhjamaades 2018. aastalVarbla, Sander; Ellmann, ArtuGeodeet2018 / lk. 62-64 : fot http://www.ester.ee/record=b1072198*est

Geodetic SAR for Baltic height system unification and Baltic Sea level research : 
final reportGruber, Thomas; Angermann, Detlef; Schlaak, Marius; Oikonomidou, Xanthi; Gisinger, Christoph; Brcic, Ramon; Poutanen, Markku; Marila, Simo; Ellmann, Artu; Varbla, Sander2021 https://www.asg.ed.tum.de/fileadmin/w00cip/iapg/Baltic/SAR-HSU-FR-0022_Final_Report.pdf

Geodetic SAR for height system unification and sea level research - observation concept and preliminary results in the Baltic SeaGruber, Thomas; Agren, Jonas; Angermann, Detlef; Ellmann, Artu; Engfeldt, Andreas; Gisinger, Christoph; Jaworski, Leszek; Varbla, SanderRemote sensing2020 / art. 3747, 30 p. : ill https://doi.org/10.3390/rs12223747 Journal metrics at Scopus Article at Scopus Journal metrics at WOS Article at WOS

Geodetic SAR for height system unification and sea level research - observation concept and results in the Baltic SeaGruber, Thomas; Argen, Jonas; Angermann, Detlef; Ellmann, Artu; Gisinger, Christoph; Nastula, Jolanta; Poutanen, Markku; Schlaak, Marius; Nilfouroushan, Faramarz; Varbla, SanderGeodesy for a Sustainable Earth, Scientific Assembly of the International Association of Geodesy : abstract book2021 / p. 78 S1-067 https://files.sciconf.cn/upload/file/20210626/20210626085039_69146.pdf

Geodetic SAR for height system unification and sea level research - observation concept and results in the Baltic Sea : [poster]Gruber, Thomas; Lantmäteriet, Jonas Ågren; Angermann, Detlef; Ellmann, Artu; Gisinger, Christoph; Nastula, Jolanta; Poutanen, Markku; Schlaak, Marius; Lantmäteriet, Faramarz Nilfouroushan; Varbla, SanderLiving Planet Symposium (LPS22)2022 / 1 p https://www.lps22.eu/

Geodetic SAR for height system unification and sea level research-results in the Baltic Sea test networkGruber, Thomas; Agren, Jonas; Angermann, Detlef; Ellmann, Artu; Engfeldt, Andreas; Gisinger, Christoph; Jaworski, Leszek; Kur, Tomasz; Marila, Simo; Varbla, SanderRemote sensing2022 / art. 3250 https://doi.org/10.3390/rs14143250 Journal metrics at Scopus Article at Scopus Journal metrics at WOS Article at WOS

Geodetic validation of sea Level variability in offshoreEllmann, Artu; Kollo, Karin; Varbla, SanderIUGG 2019 : abstract book2019 / [1] p., abstract: JG06 p-109 http://iugg2019montreal.com/abstract-book.html

Geotechnical analysis of road embankment test sections over soft peat layer in EstoniaSillamäe, Sven; Ellmann, Artu; Varbla, Sander30th International Baltic Road Conference August 23–24, 2021 : Abstracts2021 / p. 29 https://balticroads.org/wp-content/uploads/2021/08/BRC_Abstracts_2021_V2.pdf

The influence of bathymetry on regional marine geoid modeling in Northern EuropeVarbla, SanderJournal of Marine Science and Engineering2022 / art. 793, 25 p. : ill https://doi.org/10.3390/jmse10060793 Journal metrics at Scopus Article at Scopus Journal metrics at WOS Article at WOS

An initiative for a European Height Reference SurfaceSchwabe, Joachim; Sacher, Martina; Liebsch, Gunter; Lidberg, Martin; Denker, Heiner; Ågren, Jonas; Alfredsson, Anders; Barzaghi, Riccardo; Ellmann, Artu; Varbla, SanderXXVIII General Assembly of the International Union of Geodesy and Geophysics (IUGG)2023 https://doi.org/10.57757/IUGG23-2451

Iterative data assimilation approach for the refinement of marine geoid models using sea surface height and dynamic topography datasetsVarbla, Sander; Ellmann, ArtuJournal of geodesy2023 / art. 24, 22 p. : ill https://doi.org/10.1007/s00190-023-01711-7 Journal metrics at Scopus Article at Scopus Journal metrics at WOS Article at WOS

Iterative data assimilation approach for the refinement of marine geoid models using sea surface height and dynamic topography datasets : [conference paper]Varbla, Sander; Ellmann, ArtuXXVIII General Assembly of the International Union of Geodesy and Geophysics (IUGG)2023 https://doi.org/10.57757/IUGG23-0253

Iterative refinement and accuracy validation of marine geoid models = Meregeoidi mudelite iteratiivne täpsustamine ja täpsuse valideerimineVarbla, Sander2023 https://doi.org/10.23658/taltech.35/2023 https://digikogu.taltech.ee/et/Item/4087a2ae-321e-4a1b-b11f-dd8fd5ab1b99 https://www.ester.ee/record=b5568726*est

Iterative refinement of regional marine geoid models by using sea surface height and dynamic topography datasetsVarbla, Sander; Ellmann, ArtuGeodesy for a Sustainable Earth, Scientific Assembly of the International Association of Geodesy : abstract book2021 / p. 111 S2a-026 https://files.sciconf.cn/upload/file/20210626/20210626085039_69146.pdf

Iterative refinement of regional marine geoid models using sea surface height and dynamic topography datasetsVarbla, Sander; Ellmann, ArtuNordic Geodetic Commission General Assembly 2022 in Copenhagen : Poster Session2022 / 38 l. https://medialib.cmcdn.dk/medialibrary/010C1367-E991-4A33-AB10-1953247E9C23/530AEABD-3A25-ED11-84B6-00155D0B0940.pdf

Kaugseire andmete kasutuselevõtt avalike teenuste väljatöötamisel ja arendamisel. Lisa 4, Ehitustegevuse planeerimine ja järelevalve : lõpparuannePuust, Raido; Varbla, Sander2020 https://doi.org/10.23673/re-254

Kaugseire sügiskoolist VõrusVarbla, SanderGeodeet2019 / lk. 59-60 : fot http://www.ester.ee/record=b1072198*est

Meregeoidi mudelite iteratiivne täpsustamine ja täpsuse valideerimineVarbla, SanderGeodeet2024 / lk. 22-27 https://www.ester.ee/record=b1072198*est

Meregeoidi mudelite valideerimine GNSS- ja aerolaserskaneerimise profiilidegaVarbla, SanderGeodeet2019 / lk. 19-26 : ill http://www.ester.ee/record=b1072198*est

Meregravimeetrilised mõõdistused Soome lahel projekti FAMOS raamesVarbla, Sander; Ellmann, Artu; Metsar, Jaanus; Oja, TõnisGeodeet2017 / lk. 39-43 : ill http://www.ester.ee/record=b1072198*est https://artiklid.elnet.ee/record=b2831828*est

Merevee taseme mõõtmine madala hinnaklassi GNSS-sensorigaKoobak, Johanna; Varbla, Sander; Ellmann, ArtuGeodeet2022 / lk. 19-25 : ill http://www.ester.ee/record=b1072198*est

Modernization of construction as-built surveying documentationJerjomina, A.; Varbla, Sander; Hion, T.; Ellmann, ArtuCurrent problems in engineering surveying abstracts of XVI International Science and Technology Conference2023 / p. 15

The potential of SWOT altimetry data for validating the accuracy of marine geoidmodels in the Baltic SeaKupavõh, Aleksei; Ellmann, Artu; Delpeche-Ellmann, Nicole Camille; Varbla, SanderGGHS2024 : Gravity, Geoid and Height Systems : Book of Abstracts2024 / p. 18-19 https://www.gghs2024.com/appsnfiles/go/boa/Book-of-Abstracts.pdf?v=1725460868

Põhjamaade Geodeesiakomisjoni teadusnädal IslandilRüdja, Andres; Varbla, Sander; Kollo, Karin; Metsar, JaanusGeodeet2020 / lk. 22-25 : fot http://www.ester.ee/record=b1072198*est

Quality evaluation of sizeable surveying-industry-produced terrestrial laser scanning point clouds that facilitate building information modeling - a case study of seven point cloudsVarbla, Sander; Puust, Raido; Ellmann, ArtuBuildings2024 / art. 3371 https://doi.org/10.3390/buildings14113371

Realistic coastal dynamic topography by a synergy of satellite altimetry data and marine geoidEllmann, Artu; Jahanmard, Vahidreza; Varbla, Sander; Mostafavi, Majid; Delpeche-Ellmann, Nicole CamilleLiving Planet Symposium (LPS22)2022 / 1 p https://www.lps22.eu/

Release note for the BSCD2000 height transformation gridLiebsch, Gunter; Schwabe, Joachim; Varbla, Sander; Agren, Jonas; Teitsson, Hergeir; Ellmann, Artu; Forsberg, Rene; Strykowski, Gabriel; Bilker-Koivula, Mirjam; Liepinš, IvarsThe international hydrographic review2023 / p. 194-199 https://doi.org/10.58440/ihr-29-2-n11

Report on availability and re-processing procedure of the historical marine gravity data of the southern and eastern Baltic SeaWilde-Piorko, M.; Bauer, T.; Bilker-Koivula, M.; Ellmann, Artu; Kaminskis, J.; Krynski, J.; Olsson, P.-A.; Olszak, T.; Paršeliunas, E. K.; Rosowiecka, O.; Schwabe, J.; Strykowski, G.; Szelachowska, M.; Szulwic, J.; Tomczak, A.; Varbla, Sander; Zuševics, V.2023 https://interreg-baltic.eu/wp-content/uploads/2023/10/report_historical_final.pdf

Report on the homogenized historical marine gravity data of the southern and eastern Baltic SeaWilde-Piorko, M.; Schwabe, J.; Strykowski, G.; Varbla, Sander; Bauer, Tobias; Bilker-Koivula, Mirjam; Dykowski, P.; Ellmann, Artu; Josefsson, Ö.; Kaminskis, J.2024 https://interreg-baltic.eu/wp-content/uploads/2024/11/report_homogenized_final.pdf

Retrieval of directional power spectral density and wave parameters from airborne LiDAR point cloudJahanmard, Vahidreza; Varbla, Sander; Delpeche-Ellmann, Nicole Camille; Ellmann, ArtuOcean engineering2022 / art. 112694 https://doi.org/10.1016/j.oceaneng.2022.112694 Journal metrics at Scopus Article at Scopus Journal metrics at WOS Article at WOS

Road deformation monitoring using unmanned aerial vehiclesVarbla, Sander; Ellmann, Artu; Puust, Raido30th International Baltic Road Conference August 23–24, 2021 : Abstracts2021 / p. 58 https://balticroads.org/wp-content/uploads/2021/08/BRC_Abstracts_2021_V2.pdf

Sea level measurements by a low-cost GNSS sensor-equipped marine buoyKoobak, Johanna; Varbla, Sander; Ellmann, ArtuNordic Geodetic Commission General Assembly 2022 in Copenhagen : Poster Session2022 / 37 p https://medialib.cmcdn.dk/medialibrary/010C1367-E991-4A33-AB10-1953247E9C23/530AEABD-3A25-ED11-84B6-00155D0B0940.pdf

Shipborne GNSS acquisition of sea surface heights in the Baltic SeaLiibusk, Aive; Varbla, Sander; Ellmann, Artu; Vahter, Kaimo; Uiboupin, Rivo; Delpeche-Ellmann, Nicole CamilleJournal of geodetic science2022 / 21 p. : ill., map https://doi.org/10.1515/jogs-2022-0131 Journal metrics at Scopus Article at Scopus Journal metrics at WOS Article at WOS

Shipborne GNSS-determined sea surface heights using geoid model and realistic dynamic topographyVarbla, Sander; Liibusk, Aive; Ellmann, ArtuRemote sensing2022 / art. 2368, 30 p. : ill https://doi.org/10.3390/rs14102368 Journal metrics at Scopus Article at Scopus Journal metrics at WOS Article at WOS

Sildkraanatee laserskanneriga mõõdistamise täpsuse aprobeerimineHaljend, Emil; Kala, Vello; Varbla, SanderGeodeet2020 / lk. 26-28 : ill http://www.ester.ee/record=b1072198*est

Status report for the EUREF Working Group “European Unified Height Reference”Schwabe, Joachim; Sacher, Martina; Liebsch, Gunter; Lidberg, Martin; Denker, Heiner; Ågren, Jonas; Alfredson, Anders; Barzaghi, Riccardo; Ellmann, Artu; Varbla, SanderAbstracts EUREF 20232023 / p. 9-10 https://www.chalmers.se/api/media/?url=https://cms.www.chalmers.se/Media/vifgxlhe/abstract_booklet_euref_2023_may22.pdf?

Status report for the EUREF Working Group "European Unified Height Reference”Schwabe, Joachim; Sacher, Martina; Liebsch, Gunter; Lidberg, Martin; Denker, Heiner; Ågren, Jonas; Alfredson, Anders; Barzaghi, Riccardo; Bilker-Koivula, Mirjam; Ellmann, Artu; Varbla, SanderEUREF Symposium 2024 : abstract booklet2024 / p. 39-40 https://euref-symposium.atlantidaviatges.com/wp-content/uploads/2024/05/EUREF_abstract_booklet.pdf

Status report for the EUREF Working Group “European Unified Height Reference”Schwabe, Joachim; Sacher, Martina; Liebsch, Gunter; Lidberg, Martin; Denker, Heiner; Ågren, Jonas; Alfredsson, Anders; Barzaghi, Riccardo; Bilker-Koivula, Mirjam; Ellmann, Artu; Varbla, SanderEUREF Symposium 2025 : Abstracts Book2025 / p. 14 Abstracts Book (PDF)

SWOT-derived geometric marine geoid surface complements gravimetric geoid modelling approachesKupavõh, Aleksei; Ellmann, Artu; Delpeche-Ellmann, Nicole Camille; Varbla, SanderEGU General Assembly 20252025 / art. EGU25-10957 https://doi.org/10.5194/egusphere-egu25-10957

Tallinna teede ja tänavate katendite deformatsioonide ja katete kulumise määramine, lähtudes liiklussagedusest ja teekatendi konstruktsioonist 2. etapp : aruanneAavik, Andrus; Ellmann, Artu; Varbla, Sander; Rõuk, Harri2018 https://uuringud.tallinnlv.ee/file_download/830

Treatment of tide gauge time series and marine GNSS measurements for vertical land motion with relevance to the implementation of the Baltic Sea chart datum 2000Varbla, Sander; Ågren, Jonas; Ellmann, Artu; Poutanen, MarkkuRemote sensing2022 / art. 920, 24 p. : ill https://doi.org/10.3390/rs14040920 Journal metrics at Scopus Article at Scopus Journal metrics at WOS Article at WOS

Ujednolicone morskie mapy grawimetryczne południowego i wschodniego Bałtyku dla współczesnych zastosowań 3D w geodezji morskiej, geologii i nawigacji (BalMarGrav)Wilde-Piorko, Monika; Bauer, Tobias; Bilker-Koivula, Mirjam; Dykowski, Przemylaw; Ellmann, Artu; Varbla, SanderI kongres geoinformacyjny : X ogólnopolskie sympozjum geoinformacyjne : „Współczesne technologie geoinformacyjne w modelowaniu przestrzeni” Kraków, 25 – 27 X 2023 : streszczenia referatów2023 / p. 41-42 https://kongres-geo.pl/application/files/3316/9822/3649/ksiega_abstraktow_v03.pdf

Utilising airborne laser scanning and geoid model for examining marine processesVarbla, Sander; Ellmann, Artu; Delpeche-Ellmann, Nicole CamilleAbstracts : [BSSC 2019]2019 / p. 166 https://www.su.se/polopoly_fs/1.446756.1566224624!/menu/standard/file/abstracts_A5_ny.pdf

Utilizing airborne laser scanning and geoid model for near-coast improvements in sea surface height and marine dynamicsVarbla, Sander; Ellmann, Artu; Delpeche-Ellmann, Nicole CamilleJournal of coastal research2020 / p. 1339-1343 https://doi.org/10.2112/SI95-257.1 Journal metrics at Scopus Article at Scopus Journal metrics at WOS Article at WOS

UWB and GNSS Sensor Fusion Using ML-Based Positioning Uncertainty EstimationTommingas, Mihkel; Laadung, Taavi; Varbla, Sander; Müürsepp, Ivo; Alam, Muhammad MahtabIEEE Open Journal of the Communications Society2025

Validation of marine geoid models by utilizing hydrodynamic model and shipborne GNSS profilesVarbla, Sander; Ellmann, Artu; Delpeche-Ellmann, Nicole CamilleMarine geodesy2020 / p. 134-162 https://doi.org/10.1080/01490419.2019.1701153 Journal metrics at Scopus Article at Scopus Journal metrics at WOS Article at WOS

Ühe geodeesiatudengi kirev konverentsiaastaVarbla, SanderGeodeet2017 / lk. 96-99 : fot http://www.ester.ee/record=b1072198*est https://artiklid.elnet.ee/record=b2831853*est