Comparisons between NASA and NASDA version 4

The PDF file -- his_octs_goddard.pdf -- shows histogram comparisons between the NASDA version 4 products and those produced by NASA. The gif image -- octs_hist_scatter.gif -- shows scatter diagrams of NASDA version 4 and NASA products.

NOTE:The bias, rms, and averages are calculated in the log-domain for chlorophyll results

Belowa are global comparisons of chlorophyll a retrievals from NASDA version 4 processing and SIMBIOS processing.

Below are global in situ chlorophyll comparisons for the NASDA version 4 results and the NASA results.