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The reconstruction of the paleotemperature of the Earth’s surface on Yuzhny Island (Novaya Zemlya archipelago) according to geothermal data

D.S. Nikitin, V.R. Akhmedzianov, D.Yu. Demezhko, M.D. Khutorskoi

Original article

DOI https://doi.org/10.18599/grs.2019.3.136-140

136-140
rus.

open access

Under a Creative Commons license

According to the complex geothermal investigation results (thermal conductivity, rocks thermal heterogeneity measurements as well geothermal gradient and heat flow calculation) on Yuzhny Island of Novaya Zemlya archipelago (Pavlovskoe lead-zinc field), the paleotemperature  on the surface in the historical past are modeled. The results of the climatic history reconstruction in this region are discussed. An earlier heat flow estimate on on Yuzhny Island of Novaya Zemlya archipelago (46 mW/m2) could be underestimated if we assume the glacier absence during the “Pleistocene / Holocene warming”. In this case, the calculated heat flow will be 55 mW/m2. If during the “small glacial period” the glacier existence lasted for 20 thousand years, then the first heat flow estimate is more likely.

 

paleotemperature, Earth’s surface, reconstruction, Novaya Zemlya, geothermy, heat flow

 

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Dmitry S. Nikitin
Geological Institute of the Russian Academy of Sciences
7, Pyzhevsky lane, Moscow, 119017, Russian Federation

Vitaly R. Akhmedzyanov
Geological Institute of the Russian Academy of Sciences
7, Pyzhevsky lane, Moscow, 119017, Russian Federation

Dmitry Yu. Demezhko
Institute of Geophysics of the Ural Branch of the Russian Academy of Sciences
91, Pervomaysky st., Ekaterinburg, 620049, Russian Federation

Mikhail D. Khutorskoi
Geological Institute of the Russian Academy of Sciences
7, Pyzhevsky lane, Moscow, 119017, Russain Federation

 

For citation:

Nikitin D.S, Akhmedzianov V.R., Demezhko D.Yu., Khutorskoi M.D. (2019). The reconstruction of the paleotemperature of the Earth’s surface on Yuzhny Island (Novaya Zemlya archipelago) according to geothermal data. Georesursy = Georesources, 21(3), pp. 136-140. DOI: https://doi.org/10.18599/grs.2019.3.136-140