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Adapting a regional geoid model to national geodetic infrastructure and conventions [Online resource]Oja, Tõnis; Märdla, Silja; Ellmann, Artu; Rüdja, Andres1st Joint Commission 2 and IGFS Meeting International Symposium on Gravity, Geoid and Height Systems 2016 : September 19-23, 2016, Thessaloniki, Greece : program2016 / [2] p http://gghs2016.com/search/?entry=958

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Artu Ellmann 40Oja, TõnisGeodeet2008 / lk. 70-71 : portr

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Astanguliste pinnavormide mõjust Maa raskuskiirenduse väljale Põhja-Eesti klintranniku näitelTalvik, Silja; Ellmann, Artu; Oja, TõnisGeodeet2012 / lk. 10-18 : ill

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journal article

Calibration results of different type spring gravimeters from the repeated measurements of Estonian calibration linesOja, Tõnis; Nikolenko, T.; Türk, K.; Ellmann, Artu; Jürgenson, HarliGeophysical research abstracts2010 / p. EGU2010-13590 https://www.nordicgeodeticcommission.com/wp-content/uploads/2014/10/NKG2010_Calibration-Estonia_TOja.pdf

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Determining regional sea surface topography by GNSS surveys on iceLiibusk, Aive; Märdla, Silja; Ellmann, Artu; Oja, TõnisMeasuring and Modeling of Multi-Scale Interactions in the Marine Environment : IEEE/OES Baltic Symposium 2014, May 26.-29.2014, Tallinn, Estonia : book of abstracts2014 / p. 75

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Determining regional sea surface topography by GNSS surveys on iceLiibusk, Aive; Märdla, Silja; Ellmann, Artu; Oja, Tõnis2014 IEEE/OES Baltic International Symposium : 26-29 May 2014, Tallinn, Estonia : [proceedings]2014 / [9] p. : ill

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book article

Development of a 5 mm geoid model – a case study for EstoniaEllmann, Artu; Oja, TõnisInternational 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. 51 https://www.space.dtu.dk/english/gghs2018/programme

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Eesti geodeedid Rahvusvahelise Geodeesia ja Geofüüsika Liidu (IUGG) XXVI peaassambleel PrahasEllmann, Artu; Oja, Tõnis; Liibusk, AiveGeodeet2016 / lk. 83-84 : fot http://www.ester.ee/record=b1072198*est

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Eesti gravimeetriline põhivõrkSildvee, Heldur; Oja, TõnisGeodeet2000 / lk. 10-13 https://artiklid.elnet.ee/record=b1027831*est

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Euroopa Geoteaduste Liidu Peaassamblee EGU2009 Viinis : [osalemisest ja sõnavõttudest]Ellmann, Artu; Oja, TõnisGeodeet2009 / lk. 83-84 : ill

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journal article

Evaluation results of the Earth gravitational model EGM08 over the Baltic countriesEllmann, Artu; Kaminskis, J.; Parseliunas, E.; Jürgenson, Harli; Oja, TõnisNewton's bulletin2009 / 4, External quality evaluation reports of EGM08, p. 110-121 : ill

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Exploring sea surface heights by using airborne laser scanningJulge, Kalev; Gruno, Anti; Ellmann, Artu; Liibusk, Aive; Oja, Tõnis2014 IEEE/OES Baltic International Symposium : 26-29 May 2014, Tallinn, Estonia : [proceedings]2014 / [7] p. : ill

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Exploring sea surface heights by using airborne laser scanningJulge, Kalev; Gruno, Anti; Ellmann, Artu; Oja, Tõnis; Liibusk, AiveMeasuring and Modeling of Multi-Scale Interactions in the Marine Environment : IEEE/OES Baltic Symposium 2014, May 26.-29.2014, Tallinn, Estonia : book of abstracts2014 / p. 50

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journal article EST / journal article ENG

From discrete gravity survey data to a high-resolution gravity field representation in the Nordic-Baltic regionMärdla, Silja; Agren, Jonas; Strykowski, Gabriel; Oja, Tõnis; Ellmann, ArtuMarine geodesy2017 / p. 416-453 : ill https://doi.org/10.1080/01490419.2017.1326428 Journal metrics at Scopus Article at Scopus Journal metrics at WOS Article at WOS

journal article EST / journal article ENG

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From discrete gravity survey data to a high-resolution gravity field representation in the Nordic-Baltic region [Online resource]Märdla, Silja; Ågren, Jonas; Strykowski, Gabriel; Oja, Tõnis; Ellmann, Artu1st Joint Commission 2 and IGFS Meeting International Symposium on Gravity, Geoid and Height Systems 2016 : September 19-23, 2016, Thessaloniki, Greece : program2016 / [2] p http://gghs2016.com/presentation-info/?presentation=719

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Füüsikalise geodeesia ja gravimeetria alusedEllmann, Artu; Oja, Tõnis; Jürgenson, Harli2008 http://www.ester.ee/record=b2394460*est

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Geoidi modelleerimine kõrguste lähtenivoopinnanaEllmann, Artu; Märdla, Silja; Oja, TõnisTeadusmõte Eestis (X). Tehnikateadused. 3 : [artiklikogumik]2019 / lk. 21-36 : ill https://www.ester.ee/record=b5208765*est

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Globaalse meretaseme ja glatsiaal-isostaatilise tasakaalustumise modelleerimise konverents AteenasEllmann, Artu; Oja, TõnisGeodeet2012 / lk. 108-110 : fot https://artiklid.elnet.ee/record=b2553467*est

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Gravimeetriline marsruutmõõdistamine 2008. aastalGruno, Anti; Oja, Tõnis; Ellmann, ArtuGeodeet2009 / lk. 28-33 : ill

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Gravimeetriliste andmete kasutamine tavageodeesiasEllmann, Artu; Oja, TõnisGeodeet2008 / lk. 5-11 : ill

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journal article EST / journal article ENG

Gravity anomaly field over EstoniaOja, Tõnis; Ellmann, Artu; Märdla, SiljaEstonian journal of earth sciences2019 / p.55-75 : ill http://www.eap.ee/public/Estonian_Journal_of_Earth_Sciences/2019/issue_2/earth-2019-2-55-75.pdf https://doi.org/10.3176/earth.2019.06 Journal metrics at Scopus Article at Scopus Journal metrics at WOS Article at WOS

journal article EST / journal article ENG

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Gravity surveys on large icecovered lakes in Estonia [Electronic resource]Oja, Tõnis; Ellmann, Artu; Bloom, Ahti; Gruno, AntiGeophysical research abstracts2010 / p. EGU2010-13761 [CD-ROM]

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IAG2013 teaduslik assamblee Potsdamis, SaksamaalTalvik, Silja; Oja, TõnisGeodeet2013 / lk. 101-102 : ill

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book article

Improving and validating gravity data over ice-covered marine areasMärdla, Silja; Oja, Tõnis; Ellmann, Artu; Jürgenson, HarliIAG 150 years : proceedings of the 2013 IAG Scientific Assembly, Potsdam, Germany, 1-6 September, 20132016 / p. 263-270 : ill http://dx.doi.org/10.1007/1345_2015_163

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Improving regional gravity field and geoid modelling by various use of global geopotential models [Online resource]Märdla, Silja; Ellmann, Artu; Oja, Tõnis; Ågren, Jonas26th IUGG General Assembly 2015 : Prague, Czech Republic, Prague Congress Centre, June 22-July 02, 20152015 / [1] p

book article

Oja, Tõnis (author)

types of item

author 102

CV 33

name of the person 26

keyword 2

subject term 1