排序方式： 共有47条查询结果，搜索用时 15 毫秒
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Nazarova L. B. Razjigaeva N. G. Diekmann B. Grebennikova T. A. Ganzey L. A. Belyanina N. I. Arslanov K. A. Kaistrenko V. M. Gorbunov A. O. Kharlamov A. A. Golovatyuk L. V. Syrykh L. S. Subetto D. A. Lisitsyn A. P. 《Doklady Earth Sciences》2019,486(1):494-497
Doklady Earth Sciences - Results of a paleolimnological investigation of a well-dated lake sediment section from Shikotan Island (Southern Kurils) showed that from ca 8.0 to 5.8 cal ka BP a warm... 相似文献
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A non-parametric method, the efficient linearization technique (ELT), is proposed for the inversion of induction soundings for a spherical Earth model with a radial conductivity distribution. The method is based on the fact that when linearizing the operator of the direct problem, the quantitative estimate of its non-linear term is taken into account, which makes the solution search procedure stable. At each iteration stage, the conductivity function correction is sought in the region where linearization is admissible. ELT makes it possible to evaluate the resolving power of the data and also the confidence interval for the conductivity function. Model examples illustrate the features of this method. The results of interpretation of magnetotelluric data are compared with nearby drill hole resistivity logs. A model of the conductivity distribution in the mantle based on global magnetovariational data available up to 1986, is constructed. This model is consistent with modern knowledge of physical processes occurring in the interior of the Earth. 相似文献
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Doklady Earth Sciences - This paper addresses the results of instrumental observation of acoustic oscillations in the atmosphere above the city of Moscow during the COVID-19 quarantine period.... 相似文献
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Melnichenko N. A. Tyuveev A. V. Lazaryuk A. Yu. Kustova E. V. Kharlamov P. O. 《Oceanology》2022,62(4):464-470
Oceanology - The article presents the results of a study on the microstructure of fast sea ice in Amur Bay for 2013–2018 based on hydrological observations and magnetic resonance imaging... 相似文献
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V. V. Emel’yanenko O. P. Popova N. N. Chugai M. A. Shelyakov Yu. V. Pakhomov B. M. Shustov V. V. Shuvalov E. E. Biryukov Yu. S. Rybnov M. Ya. Marov L. V. Rykhlova S. A. Naroenkov A. P. Kartashova V. A. Kharlamov I. A. Trubetskaya 《Solar System Research》2013,47(4):240-254
Various observational data including infrasound, seismic, optical (onboard) monitoring, ground video and photo records, and evidence from witnesses of the Chelyabinsk event on February 15, 2013, have been analyzed. The extensive material gathered has provided a base for investigations of the physical properties of the object, the results of which are discussed. A bolide light curve is constructed, which shows a multiplicity of flashes. Estimations of the energy of the meteoroid explosion, which took place in the atmosphere at an altitude of about 23 km, show evidence of the formation of a high-power shock wave equivalent to 300–500 kilotons of TNT. The object diameter corresponding to this energy falls within the range 16–19 m. The trajectory of the meteor is outlined. It is preliminarily concluded that the Chelyabinsk meteorite was a representative the Apollo asteroid family. 相似文献