研究目的
Investigating the storage change of four lakes in the Tibetan Plateau based on a conceptual lake storage model and satellite observations to understand regional hydrological response to climate change.
研究成果
The study successfully estimated the water storage changes of four lakes in the Tibetan Plateau using remote sensing data and a conceptual model. The results indicate significant increases in water storage for all four lakes over the past 20 years, with varying rates of change. The method provides a valuable tool for monitoring water storage in regions lacking conventional hydrological data.
研究不足
The study is limited by the accuracy of remote sensing data and the assumptions made in the conceptual lake storage model. The impact of cloud cover on MODIS data and the generalization of lake morphology may affect the results.
1：Experimental Design and Method Selection:
The study uses a conceptual lake storage model and satellite data (MODIS and LEGOS altimetry) to estimate water storage changes.
2：Sample Selection and Data Sources:
Four lakes in the Tibetan Plateau were selected. MODIS data (2001-2016) for water surface areas and LEGOS altimetry data for water levels.
3：List of Experimental Equipment and Materials:
MODIS satellite product MOD09A1, LEGOS altimetry data.
4：Experimental Procedures and Operational Workflow:
Extraction of lake area and level information from MODIS and LEGOS data, construction of water level-area relationship, estimation of water storage changes.
5：Data Analysis Methods:
Regression analysis between water level and lake area, calculation of water storage changes using the derived relationship.
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