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1Academic Journal
المؤلفون: Ellmann, Artu, All, Tarmo, Oja, Tõnis
المصدر: Estonian Journal of Earth Sciences, Vol 58, Iss 4, Pp 229-245 (2009)
مصطلحات موضوعية: gravity, Bouguer anomaly, anomaly prediction, geoid, Estonia, Geology, QE1-996.5
وصف الملف: electronic resource
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2Academic JournalPostglacial gravity change in Fennoscandia – three decades of repeated absolute gravity observations
المؤلفون: Olsson, Per-Anders, Breili, Kristian, Ophaug, Vegard, Steffen, Holger, Bilker-Koivula, Mirjam, Nielsen, Emil, Oja, Tõnis, Timmen, Ludger
المصدر: 1141-1156 ; 217 ; Geophysical Journal International ; 2
وصف الملف: application/pdf
Relation: Geophysical Journal International. 2019, 217(2), 1141-1156.; urn:issn:0956-540X; https://hdl.handle.net/11250/2687365; https://doi.org/10.1093/gji/ggz054; cristin:1672305
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3Academic Journal
المؤلفون: Ellmann, Artu, Märdla, Silja, Oja, Tõnis
المساهمون: Tallinna Tehnikaülikool
المصدر: Survey Review ; volume 52, issue 373, page 352-372 ; ISSN 0039-6265 1752-2706
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4Academic Journal
المؤلفون: Märdla, Silja, Ågren, Jonas, Strykowski, Gabriel, Oja, Tõnis, Ellmann, Artu, Forsberg, René, Bilker-Koivula, Mirjam, Omang, Ove, Paršeliūnas, Eimuntas, Liepinš, Ivars, Kaminskis, Jānis
المصدر: Märdla , S , Ågren , J , Strykowski , G , Oja , T , Ellmann , A , Forsberg , R , Bilker-Koivula , M , Omang , O , Paršeliūnas , E , Liepinš , I & Kaminskis , J 2017 , ' From Discrete Gravity Survey Data to a High-resolution Gravity Field Representation in the Nordic-Baltic Region ' , Marine Geodesy , vol. 40 , no. 6 , pp. 416-453 . https://doi.org/10.1080/01490419.2017.1326428
مصطلحات موضوعية: Bouguer anomaly, Gravity database, Gridding, Interpolation, Nordic Geodetic Commission (NKG, Regional geoid, Residual gravity anomaly, Residual Terrain Model (RTM) anomaly, /dk/atira/pure/sustainabledevelopmentgoals/life_below_water, name=SDG 14 - Life Below Water
وصف الملف: application/pdf
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5
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6Academic Journal
المؤلفون: Oja, Tõnis1 tonis.oja@datel.ee, Gruno, Anti1 anti.gruno@value.space
المصدر: Advances in Geodesy & Geoinformation. 2023, Vol. 72 Issue 1, p1-18. 18p.
مصطلحات موضوعية: *SYNTHETIC aperture radar, *WATER table, *DATA analysis, *IMAGE analysis, *GEOLOGICAL mapping, *GEOLOGICAL maps, *GEOLOGICAL modeling
مصطلحات جغرافية: TALLINN (Estonia), ESTONIA
الشركة/الكيان: SENTINEL-1 (Artificial satellite)
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7Academic Journal
المؤلفون: Oja, Tõnis, Mäkinen, Jaakko, Bilker-Koivula, Mirjam, Timmen, Ludger
المصدر: Journal of Geodesy ; volume 95, issue 12 ; ISSN 0949-7714 1432-1394
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8Book
المؤلفون: Rosentau, Alar, Muru, Merle, Gauk, Martin, Oja, Tõnis, Liibusk, Aive, Kall, Tarmo, Karro, Enn, Roose, Antti, Sepp, Mait, Tammepuu, Ants, Tross, Jaan, Uppin, Marge
المصدر: Coastline Changes of the Baltic Sea from South to East ; Coastal Research Library ; page 363-388 ; ISSN 2211-0577 2211-0585 ; ISBN 9783319498928 9783319498942
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9Academic Journal
Alternate Title: Uus Eesti maakoore liikumiste 3D-mudel GNSS-i mõõtmiste põhjal.
المؤلفون: Kall, Tarmo1 tarmo.kall@emu.ee, Oja, Tõnis1, Kruusla, Kätlin1, Liibusk, Aive1
المصدر: Estonian Journal of Earth Sciences. 2021, Vol. 70 Issue 2, p107-125. 19p.
مصطلحات موضوعية: *GLOBAL Positioning System, *GLACIAL isostasy, *VELOCITY, *RAYLEIGH waves
مصطلحات جغرافية: ESTONIA
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10Academic Journal
المؤلفون: Ellmann, Artu, Märdla, Silja, Oja, Tõnis
المصدر: Survey Review; Jul2020, Vol. 52 Issue 373, p352-372, 21p
مصطلحات موضوعية: LEAST squares, GRAVITY anomalies, FORECASTING, STANDARD deviations, GRAVITY
مصطلحات جغرافية: ESTONIA
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11
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12
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13Conference
المؤلفون: Liibusk, Aive, Talvik, Silja, Ellmann, Artu, Oja, Tonis
المصدر: 2014 IEEE/OES Baltic International Symposium (BALTIC) ; page 1-9
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14Academic Journal
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15Book
المؤلفون: Märdla, Silja, Oja, Tõnis, Ellmann, Artu, Jürgenson, Harli
المصدر: Gravity, Geoid and Height Systems ; International Association of Geodesy Symposia ; page 157-162 ; ISSN 0939-9585 ; ISBN 9783319108360 9783319108377
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16
المؤلفون: Märdla, Silja, Ågren, Jonas, Strykowski, Gabriel, Oja, Tõnis, Artu Ellmann, Forsberg, René, Bilker-Koivula, Mirjam, Omang, Ove, Par²eliunas, Eimuntas, Liepinš, Ivars, Kaminskis, Janis, Sjöberg, Lars E.
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17
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18Academic Journal
Alternate Title: Raskuskiirenduse anomaalvälja mudel Eestis.
المؤلفون: Oja, Tõnis1 tonis.oja@maaamet.ee, Ellmann, Artu1,2, Märdla, Silja2
المصدر: Estonian Journal of Earth Sciences. 2019, Vol. 68 Issue 2, p55-75. 21p.
مصطلحات موضوعية: *GRAVITY anomalies, *TECHNOLOGY, *RELIEF models, *OUTLIER detection, *DATA conversion, *UNCERTAINTY (Information theory)
مصطلحات جغرافية: ESTONIA
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19Book
المؤلفون: Rosentau, Alar, Veski, Siim, Kriiska, Aivar, Aunap, Raivo, Vassiljev, Jüri, Saarse, Leili, Hang, Tiit, Heinsalu, Atko, Oja, Tõnis
المصدر: The Baltic Sea Basin ; Central and Eastern European Development Studies (CEEDES) ; page 165-188 ; ISSN 1614-032X ; ISBN 9783642172199 9783642172205
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20Book
المؤلفون: Oja, Tõnis
المصدر: Geodesy for Planet Earth ; International Association of Geodesy Symposia ; page 315-322 ; ISSN 0939-9585 ; ISBN 9783642203374 9783642203381