Three options on the Giovanni interface will be used to search MODIS-Aqua Level 1A and Level 2 data. The options are: Spatial Area Selection, Time Range Selection, and Browse Image Type . Other options -- such as parameter, plot type, and color palette options -- are only used for generating image or ASCII output. More details about how to complete a data request from the search results page can be found on the Ocean Color Level 1 and 2 browser help page.
Spatial Area Selection:
Click and drag a box on the map to select a spatial area, or type in exact latitude and longitude values.
Time Range Selection:
Select Begin Year and Begin Month to set the starting date, and select End Year and End Month for the ending date. The dates within parentheses represent the maximum temporal range for the available data.
Browse Image Type:
- CHLO: the searched result page will display pseudocolor chlorophyll image.
- True Color: the search results page will display quasi true-color (3-band) images.
- SST: the search results page will display Sea Surface Temperature images.
