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Dr. Qiujie Chen

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Dr. Qiujie Chen

  • Function:         

Humboldt Fellow

  • Email:

chenqiujie2009 [at] 163 [dot] com

  • Phone:

+49 228 73-2750

  • Fax:

+49 228 73-3029

  • Room:

2.010

  • Address:

Institute of Geodesy and Geoinformation

Nussallee 17

D-53115 Bonn

Professional profile

10/2018 ─ Current:  Research Fellow of Alexander von Humboldt Foundation, University of Bonn

05/2017 ─ 06/2018:  Assistant Researcher, University of Luxembourg

04/2016 ─ 03/2017:  Research Assistant, The Hong Kong Polytechnic University

09/2011 ─ 06/2016: Tongji University, Geodesy and Surveying Engineering (Ph.D.; supervisor: Prof. Yunzhong Shen)

09/2007 ─06/2011: Guangdong University of Technology, Surveying and Mapping Engineering (B.S.; supervisor: Dr. Xingfu Zhang)

Research Interests

  • Gravity field methodologies: linearization for non-linear model, short-arc approach, acceleration approach and dynamic method  

  • GRACE data processing: acceleration calibration, noise analyses and modelling for observations, regularization

  • GRACE gravity field determination: time-variable (monthly & daily) and static unconstrained solutions, regularized harmonic solutions, high-resolution global mascon solutions

  • Applications and validations of time-variable and static GRACE solutions

  • Simulations for Next-Generation Gravity Satellites

Projects

  • 2015 ─ 2016: Headed project sponsored by State Key Laboratory of Geo-information Engineering (Grant No. SKLGIE2014-M-1-2)

  • 2015 ─ 2016:  Joined project funded by National Natural Science Foundation of China (Grant No. 41474017)

  • 2014 ─ 2015:  Headed project sponsored by State Key Laboratory of Geodesy and Earth's Dynamics (Grant No. SKLGED2014-1-3-E)

  • 2013 ─ 2014: Joined project sponsored by State Key Laboratory of Geodesy and Earth's Dynamics (Grant No. Y309491049)

  • 2013 ─ 2016: Joined project funded by National Natural Science Foundation of China (Grant No. 41274035)

Awards

1.  Outstanding Youth Scientist at International Symposium on Geodesy and Geodynamics 2018, 2018

2.  Research Fellowship of Alexander von Humboldt, 2017

3.  Outstanding Graduate in Shanghai, 2016

4.  Award of pursuing being outstanding, 2016

5.  Academic Pioneer of Tongji University, 2015

6.  National Scholarship for Ph.D. student, 2015

7.  First Class Prizes of the State Scientific and Technological Progress in the Surveying and Mapping, 2014

8.  Guang Hua Scholarship of Tongji University, 2014

9.  National Scholarship for Ph.D. student, 2013

10. First Stage of Excellent Ph.D Scholarship of Tongji University, 2013

11. Excellent Student Model in Tongji University, 2013

12. Second Class Prizes of the Zetai Cup in the Surveying and Mapping Science and Technology Innovation Paper Competition among National College Students, 2009

Functions (Selection)

Teaching

Publications

Published in Journals:

1. Wang F, Shen Y, Chen Q, Li W. A heuristic singular spectrum analysis method for suspended sediment concentration time series contaminated with multiplicative noise. Acta Geodaetica et Geophysica, 2019, 1-5

2.  Chen Q, Shen Y, Chen W, Francis O, Zhang X, Chen Q, Li W, Chen T. An optimized short-arc approach: methodology and application to develop refined time series of Tongji-Grace2018 GRACE monthly solutions. Journal of Geophysical Research, 2019, 124,doi: 10.1029/2018JB016596.

3.  Nie Y, Shen Y, Chen Q. Combination Analysis of Future Polar-Type Gravity Mission and GRACE Follow-On. Remote Sensing, 2019, 11(2): 200.

4.  Chen Q, Shen Y, Francis O, Chen W, Zhang X, Hus H. Tongji-Grace02s and Tongji-Grace02k: High-Precision Static GRACE-Only Global Earth's Gravity Field Models Derived by Refined Data Processing Strategies. Journal of Geophysical Research, 2018, 123(7): 6111-6137.

5.  Wang F, Shen Y, Li W, Chen Q. Singular Spectrum Analysis for Heterogeneous Time Series by Taking Its Formal Errors into Account. Acta Geodynamica et Geomaterialia, 2018, 15(4): 395-403.

6.  Chen Q. Theory, Methodology and Application of GRACE Gravity Recovery Using Modified Short Arc Approach. Acta Geodaetica et Cartographica Sinica (in Chinese), 2017, 46(1): 130-130. 

7.  Chen Q, Shen Y, Chen W, Zhang X, Hus H. An Improved GRACE Monthly Gravity Field Solution by Modelling The Non-conservative Acceleration and Attitude Observation Errors. Journal of Geodesy, 2016, 90(6): 503-523.

8.   Chen T, Shen Y, Chen Q. Mass Flux Solution in The Tibetan Plateau Using Mascon Modeling. Remote Sensing, 2016, 8(5): 439.

9.  Chen Q, Shen Y, Zhang X, Chen W, Hsu H. GRACE Data-based High Accuracy Global Static Earth's Gravity Field Model. Acta Geodaetica et Cartographica Sinica (in Chinese), 2016, 45(4):396-403 .

10.  Ju X, Shen Y, Chen Q. Analysis on GRACE Gravity Data Based on A Simple Weighted Average Decorrelation Filter. Journal of Geodesy and Geodynamics (in Chinese with English Abstract), 2016, 36(2): 129-132.

11. Chen Q, Shen Y, Zhang X, Hsu H, Chen W, Ju X, Lou L. Monthly Gravity Field Models Derived from GRACE Level 1B Data Using A Modified Short-arc Approach. Journal of Geophysical Research, 2015, 120(3): 1804-1819.

12. Chen Q, Shen Y, Chen W, Zhang X, Hsu H, Ju X. A Modified Acceleration-based Monthly Gravity Field Solution from GRACE Data. Geophysical Journal International, 2015, 202(2): 1190-1206.

13. Chen Q, Shen Y, Zhang X, Chen W, Hsu H. Tongji-GRACE01: A GRACE-only Static Gravity Field Model Recovered from GRACE Level-1B Data Using Modified Short Arc Approach. Advances in Space Research, 2015, 56(5): 941-951.

14. Shen Y, Chen Q, Xu H. Monthly Gravity Field Solution from GRACE Range Measurements Using Modified Short Arc Approach. Geodesy and Geodynamics, 2015, 6(4): 261-266.

15. Chen Q, Shen Y, Zhang X, Hsu H, Chen W. Global Earth’s Gravity Field Solution with GRACE Orbit and Range Measurements Using Modified Short Arc Approach. Acta Geodaetica et Geophysica, 2015, 50(2): 173-185.

16. Ju X, Shen Y, Chen Q. Mass Change of Antarctic Based on Tongji-GRACE01 Gravity Model. Journal of Geodesy and Geodynamics (in Chinese with English Abstract), 2015, 35(1): 53-57.

17. Chen Q, Shen Y, Zhang X. Linearization Method of Recovering Earth’s Gravity Field with Respect to Gravity Satellite’s Kinematic Orbits. Chinese Journal of Geophysics (in Chinese), 2013, 56(7): 2238-2244.

18. Chen Q, Zhang X, Shen Y. An improved Algorithm of Parameter Estimation and Accuracy Assessment of Large-scale Normal Equations. Journal of Geodesy and Geodynamics (in Chinese with English Abstract), 2013, 33(1): 74-77.

19. Chen Q, Shen Y, Zhang X. Analysis of Efficiency of Applying MKL and OpenMp Polynuclear Parallel Algorithms to Recovery of High Degree Earth’s Gravity Field. Journal of Geodesy and Geodynamics (in Chinese with English Abstract), 2012, 32(5): 118-123.

Published in International Centre for Global Earth Models (ICGEM):

1.  Chen Q, Shen Y, Chen W, Zhang X. Tongji-Grace2018 monthly global gravity field solutions. International Centre for Global Earth Models. 2019, URL: http://icgem.gfz-potsdam.de.

2.  Chen Q, Shen Y, Chen W, Zhang X. Tongji-Grace02k regularized static global gravity field solution. International Centre for Global Earth Models. 2018, URL: http://icgem.gfz-potsdam.de.

3.  Chen Q, Shen Y, Chen W, Zhang X. Tongji-Grace02s unconstrained static global gravity field solution. International Centre for Global Earth Models. 2017, URL: http://icgem.gfz-potsdam.de.

4.  Chen Q, Shen Y, Chen W, Zhang X. Tongji-GRACE02 monthly global gravity field solutions. International Centre for Global Earth Models. 2016, URL: http://icgem.gfz-potsdam.de.

5.  Chen Q, Shen Y, Zhang X. Tongji-GRACE01 monthly global gravity field solutions. International Centre for Global Earth Models.2013, URL: http://icgem.gfz-potsdam.de.

6.  Chen Q, Shen Y, Zhang X. Tongji-GRACE01 static solution. International Centre for Global Earth Models. 2013, URL: http://icgem.gfz-potsdam.de.

 

Published in International Conferences:

1.  Shen Y, Chen W, Chen Q, Nie Y. Joint Observation Analysis of GRACE Follow-On and Future Polar or Inclined Pair of Gravity, The 27th IUGG 2019 General Assembly, Jul. 8-18, 2019, Montréal, Canada.

2.  Chen Q, Shen Y, Chen W, Chen T. High-resolution GRACE Monthly Solutions Developed by Tongji University, GRACE Science Team Meeting 2018, Oct. 9-11, 2018, Potsdam, Germany.

3.  Chen T, Shen Y, Kusche J, Chen Q. Mass Flux Estimation Using Weighted Mascon Modelling in Antarctica, GRACE Science Team Meeting 2018, Oct. 9-11, 2018, Potsdam, Germany.

4.  Chen Q, Shen Y, Chen W, Zhang X, Hsu H. Refined Time Series of GRACE Monthly Solutions Developed by Tongji University, International Symposium on Geodesy and Geodynamics (ISGG 2018)-Tectonics, Earthquake, and Geohazard, Jul. 30-Aug.2, 2018, Kunming, China.

5.  Chen Q, Francis Q, Shen Y, Chen W. An Improved Accelerometer Calibration Model for Gravity Field Estimates, EGU General Assembly 2018, Apr. 8-13, 2018, Vienna, Austria.

6.  Chen Q, Shen Y, Chen W, Zhang X, Hsu H. Computation and Validation of Tongji-GRACE02K Regularized GRACE Static Gravity Field Model. International Symposium of Geodesy and Geodynamics, Jul. 22-25, 2016, Tianjing, China.

7.  Chen Q, Chen W, Shen Y, Zhang X, Hsu H. Regularized GRACE Monthly Solutions by Constraining The Difference Between The Longitudinal and Latitudinal Gravity Variations. European Geosciences Union General Assembly 2016, Apr. 17-22, 2016, Vienna, Austria.

8.  Shen Y, Chen Q, Chen W, Hsu H. Stabilized Static Gravity Field Solution with The Normal Equation Derived by Short Arc Approach from GRACE Data. The 26th IUGG 2015 General Assembly, Jun. 22-Jul. 2, 2015, Prague, Czech Republic.

9.  Chen Q, Shen Y, Hsu H, Chen W, Zhang X, Ju X. Monthly Gravity Field Model Derived from GRACE Level1b Data by Modeling Non-conservative Acceleration and Attitude Observation Errors. The 3rd International Gravity Field Service (IGFS) General Assembly, Jun. 30-Jul. 6, 2014, Shanghai, China.

10. Shen Y, Chen Q, Hsu H, Zhang X, Lou L. A Modified Short Arc Approach for Recovering Gravity Field Model. GRACE Science team Meeting, Oct.23-26, 2013, Center of Space Research, University of Texas, USA.

11. Shen Y, Chen Q, Hsu H, Zhang X. Monthly Gravity Field model Solutions Using GRACE Level 1B Data, International Symposium on Asia-Pacific Space Geodynamics, Oct. 14-17, 2013, Columbus, USA.

12. Chen Q, Shen Y, Zhang X. Integrated Short Arc Approach for Solving GRACE Monthly Gravity Field Model. Joint 32nd Surveying and Geomatics Conference and 2nd Cross-strait Gravity and Geoid Meeting, Aug. 29-30, 2013, Taiwan, China.

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