Results of an analysis of diurnal and semi-diurnal tides using GPS radio occultation data, done in collaboration with Janet Zeng and Bill Kuo at NCAR.

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Presentation transcript:

Results of an analysis of diurnal and semi-diurnal tides using GPS radio occultation data, done in collaboration with Janet Zeng and Bill Kuo at NCAR. These are preliminary results (please don’t disseminate).

Sampling from GPS CHAMP over equator (10 N-S) time of obs. longitude

Sampling from GPS CHAMP over equator (10 N-S) time of obs. longitude diurnal tide

Sampling from GPS CHAMP over equator (10 N-S) time of obs. longitude semi-diurnal tide

height Amplitude (K) Diurnal tide CMAM model

height Phase (hour) Diurnal tide

height Amplitude (K) Semi-diurnal tide CMAM model

height Phase (hour) Semi-diurnal tide

CMAM model results diurnal amplitude (K)semi-diurnal