Analysis of Past Surface Temperature Reconstructions based on the Tree-ring Chronologies and Borehole Temperature Measurements

被引：2

作者：

Nagornov, O. V. ^{[1
]}

Nikitaev, V. G. ^{[1
]}

Pronichev, A. N. ^{[1
]}

Tyuflin, S. A. ^{[1
]}

Bukharova, T. I. ^{[1
]}

机构：

[1] Natl Res Nucl Univ MEPhI, Kashirskoe Shosse 31, Moscow 115409, Russia

来源：

PROCEEDINGS OF THE INTERNATIONAL CONFERENCE ON NUMERICAL ANALYSIS AND APPLIED MATHEMATICS 2015 (ICNAAM-2015) | 2016年 / 1738卷

关键词：

Boreholes; climate reconstruction; heat and mass transfer; inverse problems;

D O I：

10.1063/1.4952015

中图分类号：

O29 [应用数学];

学科分类号：

070104 ;

摘要：

There have been done many past surface temperature reconstructions based on the temperature measurements in rock and glacier boreholes. However, the reliability of these reconstructions connected with the uniqueness and stability properties is not studied. We carried out the reconstruction by search of the past surface temperature in form of the finite set of the Fourier series that provides the unique and stable solution. The tree-ring chronologies are used as the high-resolution proxy climate indicator to find out the dominant periods of the Fourier series. The Tikhonov regularization method is applied to solve the inverse problem.

引用

页数：4

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