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Data Collection and Methodology
Remote sensing data products for the hydrological purposes include a variety of data offered by different satellite and data modelling and assimilation missions. The gravimetric measurements done by GRACE satellites and modelled data products such as GLDAS and FLDAS are among the most interested data sources for hydrologists. In this study, the required data were acquired from five data sources. The hydrologic variables (TWS, GWS, SMS and SWE) were extracted from GRACE satellites and GLDAS data models. CHELSA and FLDAS mission outputs were used as a data sources for climatic variables (precipitation and temperature), respectively. A brief information upon the data used in the current study is given in Table 1.
Table 1. Specifications of the datasets used in the study