Seasonal variation analysis of Greenland ice mass time-series

被引：1

作者：

Shamshiri, Roghayeh ^{[1
]}

Nahavandchi, Hossein ^{[1
]}

Joodaki, Gholamreza ^{[2
]}

机构：

[1] Norwegian Univ Sci & Technol, NTNU, Fac Engn Sci & Technol, Div Geomat, N-7491 Trondheim, Norway

[2] Univ Zanjan, Dept Surveying Engn, Zanjan, Iran

来源：

ACTA GEODAETICA ET GEOPHYSICA | 2018年 / 53卷 / 01期

关键词：

Greenland; Ice melting; GRACE satellites; Ice surface temperature; Wavelet; VARIABLE GRAVITY OBSERVATIONS; CLIMATE EXPERIMENT GRACE; SHEET; VARIABILITY; ANTARCTICA; SURFACE; BALANCE; EARTH; ACCELERATION; TEMPERATURE;

D O I：

10.1007/s40328-017-0198-4

中图分类号：

P3 [地球物理学]; P59 [地球化学];

学科分类号：

0708 ; 070902 ;

摘要：

We derive the mass balance of Greenland ice sheet from the Gravity Recovery and Climate Experiment (GRACE) for the period January 2003-October 2014. Wehave found an ice mass loss with peak amplitude of -15 cm/yr in the southeastern and northwestern parts, and an acceleration of -2.5 cm/yr(2) in the southwestern region. Global warming is a well-known suspected triggering factor of ice melting. We use MODIS-derived Ice Surface Temperature (IST), and continuous and cross wavelet transforms have been determined to investigate the common power and relative phase between GRACE derived time-series of ice mass changes and IST time-series. Results indicate a high common power between the two time-series for the whole study period, but with different time patterns.

引用

页码：1 / 14

页数：14

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