11.1 Optical Data11.1.1 The Color of the Water11.1.2 Bathymetric Data11.2 Passive Microwave Signatures from the Ocean11.3 Coastal Applications11.3.1 Physical Oceanography that Includes Temperature, Salinity, and Sea Ice11.3.2 Water Quality, Including Algal Blooms11.3.3 Mangroves and Coastal Protection11.3.4 Coastal Evolution, Including Sediment Transport11.4 Practical Exercise – New York Bight11.4.1 Stage One: Importing and Processing MODIS L2 Data11.4.1.1 Step One: Downloading MODIS L2 Data11.4.1.2 Step Two: Importing the MODIS SST Data into SNAP11.4.1.3 Step Three: Processing the MODIS-Aqua SST Data11.4.1.4 Step Four: Importing and Processing the MODIS OC Data in SNAP11.4.1.5 Step Five: Download and Import the OLCI L2 Product11.4.1.6 Step Six: Save the Products11.4.2 Stage Two: Comparison of MODIS L2, OLCI L2, and Landsat Data11.4.2.1 Step Seven: Restarting SNAP and Importing Landsat Data11.4.2.2 Step Eight: Importing the Previous OC Product11.4.2.3 Step Nine: Reprojection of the OC Image11.4.3 Stage Three: OLCI L3 Data11.4.3.1 Step Ten: Downloading OLCI L3 Data11.5 Summary11.6 Online Resources11.7 Key TermsReferences