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Conference Agenda

Overview and details of the sessions and sub-session of this conference. Please select a date or session to show only sub-sessions at that day or location. Please select a single sub-session for detailed view (with abstracts and downloads if available).

Session Overview
D3: ID.10677 GSM4GCM
Wednesday, 06/Jul/2016:
11:30am - 12:30pm

Session Chair: Nico Sneeuw
Session Chair: Mingsheng Liao
Workshop: Terrain & Geoid Measurement
Location: A-Li Mountain Room, 5.5 Floor, Junyi Dynasty Hotel

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Oral presentation

Current and Future Geodetic Satellite Missions for Global Change Monitoring

Nico Sneeuw1, Jiancheng Li2, Jianqing Cai1, Weiping Jiang2, Mohammad J. Tourian1, Omid Elmi1, Yonghai Chu2, Taoyong Jin2

1University of Stuttgart, Institute of Geodesy, Germany; 2Wuhan University, School of Geodesy and Geomatics, PR China;

Global change deals with large- and small-scale processes that modify the Earth’s atmosphere, land and ocean. Using innovative geodetic space-borne sensor systems, dedicated gravity field and altimeter satellites monitor these processes over a range of spatial and temporal scales. The integrated analysis of these geometric and gravimetric Earth observation data shall improve the knowledge of system processes of the changing Earth. A few case studies elucidate the role of satellite geodesy in Earth system science.

Sneeuw-Current and Future Geodetic Satellite Missions for Global Change Monitoring_Cn_version.pdf


The Lake Level Monitoring in China from Satellite Altimetric Missions

Jiancheng Li1, Nico Sneeuw2, Weiping Jiang3, Jianqing Cai1,2, Yonghai Chu1, Taoyong Jin1

1School of Geodesy and Geomatics, Wuhan University, China; 2Institute of Geodesy, University of Stuttgart, Germany; 3GNSS Research Center, Wuhan University, China;

The inland lake level variations could reveal and reflect the climatic processes, such as the precipitation and evaporation, in the upper and lower reaches of the lake watershed. This dynamic hydrologic variation is an important part of the global change monitoring. The satellite radar altimetry provides an efficient space observation technology for long-term and continual monitoring of the water levels of inland lakes. It has also improved our understanding of hydrological changes, especially for the lakes located in the remote areas. In this study, several typical lakes (Yangtze River, Tibetan Plateau) are selected to investigate the level change using T/P, JASON1/2,ENVISAT, SARAL and CRYOSAT mission data. The results shows that the lake level changes in Yangtze River directly reflect the water levels of the Yangtze River, and contribute to the floods and their associated disasters that usually occur in its middle and lower reaches. Since artificial activity has less to do with the lake level, the lake levels over Tibetan Plateau should reflect primarily the climate change.

Li-The Lake Level Monitoring in China from Satellite Altimetric Missions_Cn_version.pdf

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