Education

• M.S. (Engineering Geology and Hydrogeology), Moscow State University, 2008
• Ph.D. (Geology and Mineralogy), Melnikov Permafrost Institute, 2013. Dissertation: Dynamics of Thermosuffosional Processes in Permafrost, with Special Reference to Central Yakutia

Research Interests

• Geocryological processes
• Taliks
• Ground water
• Permafrost thermal regime

Field Work

• 2018-2019 – Icings surveys along the Power of Siberia Pipeline route, KM 8895 to Skovorodino
• 2018 – Tibet Plateau (ground temperature measurements, groundwater sampling for isotope analysis)
• 2008-present - Topographic, hydrogeological and geocryological studies at the Bestyakhskaya terrace of the Lena River, Central Yakutia, Russia

Current Projects

• SB RAS Basic Research Project IX.127.2.3, 2017-2020: Integrated Studies to Understand the Dynamics of Natural and Human-Affected Landscapes in the East Siberian permafrost region – Block 2. Understanding the Interaction between Surface and Ground Water in the Formation and Dynamics of Permafrost Landscapes (Co-Investigator)
• Contract Project with RDR Group, Yakutsk, 2018: Drilling of a Groundwater Observation Well and Fabrication and Installation of a 3-m Filter Pipe in District 203, Yakutsk (Principal Investigator)
• SKLFSE201701 Grant from the State Key Laboratory of Frozen Soil Engineering, CAS (Lanzhou, China), 2018-2019

Selected Past Projects

• RFBR Grant 16-05-01116, 2016-2018: Permafrost Stratigraphy and Cryofacies Analysis of Frozen Ground (Co-Investigator)
• SB RAS Basic Research Project VIII.69.2.3, 2013-2016. Multidisciplinary Research on Late Pleistocene and Holocene Evolution of Permafrost Landscapes in East Siberia. Block 2. Understanding the Role of Hydrogeological Factors in the Formation and Dynamics of Permafrost Landscapes (Co-Investigator)
• Core Project VII.63.2.5, 2010-2012. Geocryological Hazards in the Russian North-East: Landscape and Hydrogeological Relationships. Part 2. Evolution of Hydrogeological Systems of Supra- and Intrapermafrost Type and Evaluation of Their Effects on the Landscape Sphere of Yakutia
• Collaborative Project with the Research Institute for Humanity and Nature, Kyoto, Japan, 2010-2014. Effects of Climate Change on Recharge, Regime and Discharge of Suprapermafrost and Intrapermafrost Water in Central Yakutia
• Contract with OOO NVTs Geoteknologia, 2009-2011. Study of Hydraulic Properties of Soils at Test Sites of New Suprapermafrost Drainage Systems for Buildings and Structures in the Republic of Sakha/Yakutia
• Public Contract with the Republic of Sakha/Yakutia Government no. 638. Project 1.2.19, 2008-2010. Study of Hydrogeothermal Conditions in the Intrapermafrost Water Recharge Area in the Bestyakh Terrace
• SB RAS Project 7.10.2.5. Study of the Current State and Trends in Permafrost Landscape Dynamics Due to Changes in Climate, Hydrogeology and Anthropogenic Activity, 2007-2009. Part 2. Evaluation of the Effects of Hydrogeochemical, Thermal Suffosion, Icings and Other Hydrogeological Processes on the State of Permafrost Landscapes

Selected Publications

• Гагарин Л.А., Бажин К.И., Оленченко В.В., Огонеров В.В., Ву Цинбай. Выявление участков потенциального термосуффозионного разуплотнения грунтов вдоль федеральной автодороги А-360 “Лена” в Центральной Якутии. Криосфера Земли, 2019, Том XXIII, №3, с. 61-68. DOI: 10.21782/KZ1560-7496-2019-3(61-68)
• Tananaev N., Kotov P.I., Gagarin L.A. (2019). Modelling thermal regime of an intrapermafrost talik in Central Yakutia. In: Solving the Puzzles from Cryosphere, Int. Conf., Pushchino, Russia, April 15-18, 2019, Program and Abstracts, p. 84-85.
• Semernya A.A., Gagarin L.A., Bazhin K.I. (2018). Cryohydrogeological features of the site of intrapermafrost aquifer distribution in the Eruu spring area (Central Yakutia). Earth's Cryosphere XXII(2): 26–34. DOI: 10.21782/EC2541-9994-2018-2(26-34) http://www.izdatgeo.ru/pdf/earth_cryo/2018-2/26_eng.pdf
• Gagarin L, Melnikov A, Ogonerov V, Khristophorov I., Bazhin K. (2017). Phenomena caused by seismic and geocryological processes across linear infrastructure, South Yakutia, Russia. Sciences in Cold and Arid Regions, 9(4): 352 -362. doi: 10.3724/SP.J.1226.2017.00352.
• Gagarin L. A., Melnikov A. E., Ogonerov V. V. (2017). Seismic and geocryological features along linear engineering structures in Southern Yakutia. Book of Abstracts, XI International Symposium on Permafrost Engineering. Magadan, Russia, 5-8 September 2017. Yakutsk: Melnikov Permafrost Institute SB RAS Press, p. 43.
• Olenchenko V.V., Gagarin L.A., Khristoforov I.I., Kolesnikov A.B., Efremov V.S. (2017). The structure of a site with thermo-suffosion processes within Bestyakh terrace of the Lena River, according to geophysical data. Earth's Cryosphere XXI(5): 14–23. doi: 10.21782/EC1560-7496-2017-5(14-23) http://www.izdatgeo.ru/pdf/earth_cryo/2017-5/14_eng.pdf
• Gagarin L., Khristoforov I.I. (2016). Evolution of permafrost landscapes in an area of thermal suffosion processes development, Central Yakutia. In: Günther, F. and Morgenstern, A. (Eds.). XI. International Conference on Permafrost – Book of Abstracts, 20 – 24 June 2016, Potsdam, Germany. Bibliothek Wissenschaftspark Albert Einstein, doi:10.2312/GFZ.LIS.2016.001, p. 33.
• Khristoforov I. I., Olenchenko V. V., Gagarin L., Omelyanenko A. V. (2016). Geophysical forecasting of the formation of thermal suffosion depressions in Central Yakutia. In: Günther, F. and Morgenstern, A. (Eds.). XI. International Conference on Permafrost – Book of Abstracts, 20 – 24 June 2016, Potsdam, Germany. Bibliothek Wissenschaftspark Albert Einstein, doi:10.2312/GFZ.LIS.2016.001, p. 864-866.
• Sakai T., Matsunaga T., Maksyutov S., Gotovtsev S., Gagarin L., Hiyama T., Yamaguchi Y. (2016). Climate-induced extreme hydrologic events in the Arctic. Remote Sensing 8(11).
• Yoshikawa K., Osipov D., Serikov S., Permyakov P., Stanilovskaya J., Gagarin L., Kholodov A. (2016). Traditional ice cellars (lednik, bulus) in Yakutia: characteristics, temperature monitoring, and distribution. Арктика XXI век. Естественные науки, 1(4): 15-22.
• Zhelezniak M., Zhizhin V., Sivtsev D., Shipitsyna L., Gagarin L. (2016). Geocryological Database of the Siberian Platform. In: Günther, F. and Morgenstern, A. (Eds.). XI. International Conference on Permafrost – Book of Abstracts, 20 – 24 June 2016, Potsdam, Germany. Bibliothek Wissenschaftspark Albert Einstein, doi:10.2312/GFZ.LIS.2016.001, p. 409.
• Gagarin, L. Modern talik formation on IV terrace of the Lena River, Central Yakutia, Fourth International Symposium on the Arctic Research (ISAR-4) / Third International Conference on Arctic Research Planning (ICARP III) ASSW (Arctic Science Summit Week), Toyama, Japan April 27-30, 2015, 107, 2015.
• Hiyama T., Asai K., Kolesnikov A.B., Gagarin L.A., Shepelev V.V. (2013). Estimation of the residence time of permafrost groundwater in the middle of the Lena River basin, eastern Siberia. Environmental Research Letters, 8(3). DOI: 10.1088/1748-9326/8/3/035040.
• Gagarin L. (2013). Features of suffosional processes in permafrost (Central Yakutia, Russia). In: Proceedings of 8th International Conference on Geomorphology: Abstract Volume 2 – Paris, 2012, p. 1033.
• Gagarin L., Kolesnikov A., Hiyama T. (2012). Effect of extreme hydroclimatic conditions on groundwater systems in permafrost, Central Yakutia. In: Proceedings of the 1st International Conference on Global Warming and the Human-Nature Dimension in Siberia, pp. 59-61.
• Gagarin L. (2012). The peculiarities of the mechanism of suffusion processes in the permafrost zone (the case of Central Yakutia). In: Proceedings of the Tenth International Conference on Permafrost, Salekhard, Yamal-Nenets Autonomous District, Russia June 25–29, 2012. Vol. 4/2, Extended Abstracts. Tyumen, Ekaterinburg: The Fort Dialog-Iset Publisher, pp. 166-168.