從太空觀測到的極地冰蓋量變冉將軍 9787030744401 【台灣高等教育出版社】

Name: 從太空觀測到的極地冰蓋量變 冉將軍 9787030744401 【台灣高等教育出版社】
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書名：從太空觀測到的極地冰蓋量變
ISBN：9787030744401
出版社：科學
著編譯者：冉將軍
頁數：184
所在地：中國大陸 *此為代購商品
書號：1595035
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內容簡介

本書重點介紹了目前從GRACE觀測數據里提取出地球表面質量遷移信號的主流方法 (mascon: mass concentration) 的關鍵技術，包括最優的參數化方法、基於Tikhonov的時空約束、觀測數據的方差協方差矩陣等，並跟國際主流單位 (美國宇航局噴氣推進實驗室NASA-JPL、戈達德飛行中心) 的產品做出詳細的分析比較。更重要的是，本書將對近十年來北極冰川的質量變化做出準確全面的評估，可以服務於國家目前準備開發的「冰上絲綢之路」-北極航道 (「一帶一路」海上合作路線)。

Preface
Abstract
1 Challenges and opportunities of mass variations in Greenland
1 1 Climate change and ice melt in Greenland
1 2 Contemporary challenges
1 3 Opportunities
2 GrIS mass variation：an overview
2 1 Introduction
2 2 GrIS Glaciers
2 3 Mass balance of the Greenland Ice Sheet
2 4 GrIS mass variation estimation
2 4 1 Altimetry
2 4 2 The input-output method（IOM）
2 4 3 Satellite gravimetry
2 4 4 Comparison of GrIS mass anomalies estimated by different methods
2 5 Summary
3 GRACE post-processing methodologies：an overview
3 1 Introduction
3 2 Towards high spatial resolution methodologies
3 2 1 The mascon approach by Luthcke et al （2006a）
3 2 2 The mascon approach by Luthcke et al （2013）
3 2 3 The mascon approach by Sasgen et al （2010）
3 2 4 The mascon approach by Schrama and Wouters（2011）
3 2 5 The mascon approach by Baur and Sneeuw（2011）
3 3 Summary
4 Statistically optimal estimation of Greenland Ice Sheet mass variations from GRACE monthly solutions using an improved mascon
approach
4 1 Introduction
4 2 Methodology
4 2 1 Gravity disturbances
4 2 2 Parameterization
4 2 3 Distribution of data points
4 2 4 Data inversion
4 3 Numerical experiments
4 3 1 Experimental setup
4 3 2 Choice of the optimal data processing strategy
4 3 3 Spectral consistency
4 4 Real GRACE data analysis
4 4 1 Estimating ma ss anomaly uncertainties
4 4 2 Validation against modelled SMB time-series
4 4 3 Comparison with Greenland ma ss anomalies from other studies
4 5 Summary
5 Seasonal mass variations show timing and magnitude of meltwater storage in the Greenland Ice Sheet
5 1 Introduction
5 2 Adopted parameterization
5 3 Data
5 3 1 Ice discharge on multi-year scale
5 3 2 Ice discharge on intra-annual scale
5 4 Results and Discussion
5 4 1 Multi-year mass trend and acceleration budgets
5 4 2 Seasonal mass variations
5 5 Summary
6 Analysis and mitigation of biases in Greenland Ice Sheet mass balance trend estimates from GRACE mascon products
6 1 Introduction
6 2 Methods
6 2 1 Variant of the mascon approach adopted to estimate mass anomalies
6 2 2 Adopted spa tial constraints
6 3 Data
6 3 1 GRACE
6 3 2 RACMO
6 4 Results
6 4 1 Understanding the discrepancies between the CSR，JPL and GSFC masco n products
6 4 2 Numerical study to analyze regularization-driven biases in mascon-type estimates
6 4 3 Improved spa tial constraints
6 5 Discussion
6 5 1 Global mass conservation
6 5 2 「Improved」regularization vs regularizations applied to other mascon solutions
6 5 3 Added value of the「improved」regularization
6 6 Summary
7 Optimal mascon geometry in estimating mass anomalies within Greenland from GRACE
7 1 Introduction
7 2 Methodology and parameterization
7 2 1 Adopted mascon approach
7 2 2 Parameterization of Greenland
7 3 Numerical study
7 3 1 Experimental set-up
7 3 2 Results
7 4 Analysis based on real GRACE data
7 4 1 Analysis of long-term linear trends
7 4 2 Analysis of the estimates at the intermediate and short time scales
7 5 Summary
8 Conclusions
References
A Eigenvalue decomposition of the noise covariance matrix Cd
B Robustness of GRACE-based estimates at the intra-annual time scale
C Supporting Information for Chapter

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