Sea Surface Height Modeling, Generation and Validation of Sample Products
ERS-1 is going to provide a long term altimetric monitoring of the sea surface supported by high precision orbit determination. The German Processing and Archiving Facility (D-PAF) is one element of the ERS-1 ground segment. Among other tasks, described by Gredel et al. (1991), D-PAF has been nominated by ESA for the precision off-line processing of the geophysically corrected ERS-1 altimeter data. The main objective is a systematic and regular monitoring of the sea surface aiming in high resolving digital height models on a global scale. ERS-1 altimeter data will be used to generate short period solutions covering periods of one month (or a 35 day repeat cycle). In addition, long period solutions are going to be computed to derive a most precise estimate of a quasi-stationary sea surface by assimilating as much data as available.
KeywordsAltimeter Data Orbit Error Minimum Norm Solution Environmental Correction Crossover Difference
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