Table 1 Editing criteria of altimeter products
From: Global marine gravity anomalies from multi-satellite altimeter data
Term | Range |
|---|---|
SSH (m) | [− 130, 100] |
Ionospheric correction (m) | [− 0.4, 0.04] |
Sea state bias correction (m) | [− 0.5, 0] |
Earth tide correction (m) | [− 1, 1] |
Pole tide correction (m) | [− 0.15, 0.15] (for GDR) [− 15, 15] (for L2P) |
Oceanic tide correction (m) | [− 5, 5] |
Dry tropospheric correction (m) | [− 2.5, − 1.9] |
Wet tropospheric correction (m) | [− 0.5, − 0.001] |
Dynamic atmospheric correction (m) | [− 2, 2] |
Nb measurements of range | Greater than 10 (for GDR) Greater than 10 to 20 (for L2P) |
RMS of the range (m) | [0, 0.2] |
Significant wave height (m) | [0, 11] (for GDR) [0, 15] (for L2P) |
Backscatter coefficient (dB) | [7, 30] |
Wind speed (m/s) | [0, 30] |
Square off-nadir angle (deg2) | [− 0.2, 0.64] (for GDR) [− 0.36 ~ 0, 0.09 ~ 0.64] (for L2P) |
Nb measurements of backscatter coefficient | Greater than 10 |
RMS of the backscatter coefficient (dB) | [0, 1] |