{ "objectIdFieldName": "", "fields": [ { "name": "OID", "type": "esriFieldTypeOID", "alias": "OID", "domain": null }, { "name": "Value", "type": "esriFieldTypeInteger", "alias": "Value", "domain": null }, { "name": "Count", "type": "esriFieldTypeDouble", "alias": "Count", "domain": null }, { "name": "TID", "type": "esriFieldTypeString", "alias": "TID", "domain": null, "length": 254 }, { "name": "Type", "type": "esriFieldTypeString", "alias": "Type", "domain": null, "length": 254 } ], "features": [ { "attributes": { "OID": 0, "Value": 0, "Count": 1216493549, "TID": "Land", "Type": "Land" } }, { "attributes": { "OID": 1, "Value": 10, "Count": 13837511, "TID": "Singlebeam - depth value collected by a single beam echo-sounder", "Type": "Direct" } }, { "attributes": { "OID": 2, "Value": 11, "Count": 515735895, "TID": "Multibeam - depth value collected by a multibeam echo-sounder", "Type": "Direct" } }, { "attributes": { "OID": 3, "Value": 12, "Count": 1911754, "TID": "Seismic - depth value collected by seismic methods", "Type": "Direct" } }, { "attributes": { "OID": 4, "Value": 13, "Count": 605957, "TID": "Isolated sounding - depth value that is not part of a regular survey or trackline", "Type": "Direct" } }, { "attributes": { "OID": 5, "Value": 14, "Count": 359463, "TID": "ENC sounding - depth value extracted from an Electronic Navigation Chart (ENC)", "Type": "Direct" } }, { "attributes": { "OID": 6, "Value": 15, "Count": 105258, "TID": "Lidar - depth derived from a bathymetric lidar sensor", "Type": "Direct" } }, { "attributes": { "OID": 7, "Value": 16, "Count": 1096370, "TID": "Depth measured by optical light sensor", "Type": "Direct" } }, { "attributes": { "OID": 8, "Value": 17, "Count": 97596306, "TID": "Combination of direct measurement methods", "Type": "Direct" } }, { "attributes": { "OID": 9, "Value": 40, "Count": 1186416197, "TID": "Predicted based on satellite-derived gravity data - depth value is an interpolated value guided by satellite-derived gravity data", "Type": "Indirect" } }, { "attributes": { "OID": 10, "Value": 41, "Count": 574880420, "TID": "Interpolated based on a computer algorithm - depth value is an interpolated value based on a computer algorithm (e.g. Generic Mapping Tools)", "Type": "Indirect" } }, { "attributes": { "OID": 11, "Value": 42, "Count": 2866165, "TID": "Digital bathymetric contours from charts - depth value taken from a bathymetric contour data set", "Type": "Indirect" } }, { "attributes": { "OID": 12, "Value": 43, "Count": 756400, "TID": "Digital bathymetric contours from ENCs - depth value taken from bathymetric contours from an Electronic Navigation Chart (ENC)", "Type": "Indirect" } }, { "attributes": { "OID": 13, "Value": 44, "Count": 32425473, "TID": "Bathymetric sounding - depth value at this location is constrained by bathymetric sounding(s) within a gridded data set where interpolation between sounding points is guided by satellite-derived gravity data", "Type": "Indirect" } }, { "attributes": { "OID": 14, "Value": 45, "Count": 105581, "TID": "Predicted based on helicopter/flight-derived gravity data", "Type": "Indirect" } }, { "attributes": { "OID": 15, "Value": 46, "Count": 22, "TID": "Depth estimated by calculating the draft of a grounded iceberg using satellite-derived freeboard measurement.", "Type": "Indirect" } }, { "attributes": { "OID": 16, "Value": 70, "Count": 87103879, "TID": "Pre-generated grid - depth value is taken from a pre-generated grid that is based on mixed source data types, e.g. single beam, multibeam, interpolation etc.", "Type": "Unknown" } }, { "attributes": { "OID": 17, "Value": 71, "Count": 13699, "TID": "Unknown source - depth value from an unknown source", "Type": "Unknown" } }, { "attributes": { "OID": 18, "Value": 72, "Count": 170101, "TID": "Steering points - depth value used to constrain the grid in areas of poor data coverage", "Type": "Unknown" } } ] }