Thermocline display

1. A device, comprising:

a marine based multifunction display configured to interface with a global positioning system (GPS) sensor and one or more sonar sensors;

the marine based multifunction display comprising:

a display; and

a computer configured to:

receive, from the global positioning system (GPS) sensor, positional data comprising GPS data;

receive, from the one or more sonar sensors, sonar scanning data;

determine thermocline data based on the sonar scanning data, wherein determining the thermocline data comprises determining a depth range corresponding to a thermocline region associated with a body of water as identified in the sonar scanning data; and

display a first image comprising a chart map of the body of water that identifies areas of the body of water having a thermocline layer based on the positional data and the thermocline data.

2. The device of claim 1 , wherein the computer is further configured to:

display the first image on a first portion of the display; and

display a second image associated with the sonar scanning data that identifies underwater features below a surface of the body of water along with identifying a vertical depth of the thermocline layer based on the thermocline data, wherein the second image is displayed on a second portion of the display different than the first portion;

wherein the computer is configured to simultaneously display the first and second images on a split screen of the display.

3. The device of claim 2 , wherein the computer is configured to automatically identify the underwater features below the surface of the body of water based on the sonar scanning data, automatically identify the vertical depth of the thermocline layer based on the thermocline data, and automatically display the second image on the display based on the sonar scanning data and the thermocline data.

4. The device of claim 2 , wherein the second image comprises a sonar image having a shaded region that overlays a portion of the sonar image identified as the thermocline layer.

5. The device of claim 2 , wherein the second image comprises a sonar image having a vertical depth scale displayed along with the sonar image, and wherein the vertical depth scale provides information related to a depth of the thermocline layer.

6. The device of claim 5 , wherein the information related to the depth of the thermocline layer comprises an indication for an upper boundary depth of the thermocline layer and another indication for a lower boundary depth of the thermocline layer.

7. The device of claim 1 , wherein the computer is configured to automatically identify the areas of the body of water having the thermocline layer based on the positional data and the thermocline data and automatically display the first image on the display based on the positional data and the thermocline data.

8. The device of claim 1 , wherein the first image identifies a position of the device on the body of water based on the positional data along with identifying the areas of the body of water having the thermocline layer.

9. The device of claim 1 , wherein the one or more sonar sensors are configured to detect the thermocline layer in the body of water, and wherein the sonar data comprises the thermocline data received from the one or more sonar sensors, and wherein the one or more sonar sensors comprise multiple transducer elements having one or more of a right scanning transducer, a left scanning transducer, a down scanning transducer, and a conical down beam transducer.

10. The device of claim 1 , wherein the first image includes one or more highlights to the identified areas having a thermocline layer.

11. A multi-function marine based apparatus, comprising:

a communication interface configured to interface with a global positioning system (GPS) sensor and one or more sonar sensors;

a display;

a processor; and

memory having instructions that cause the processor to:

receive, from the global positioning system (GPS) sensor, positional comprising GPS data;

receive, from the one or more sonar sensors, sonar scanning data;

determine thermocline data based on the sonar scanning data, wherein determining the thermocline data comprises determining a depth range corresponding to a thermocline region associated with a body of water as identified in the sonar scanning data,

on a first portion of the display, display a first image comprising a chart map of the body of water that identifies areas of the body of water having a thermocline layer based on the positional data and the thermocline data, and

on a second portion of the display different than the first portion, display a second image associated with the sonar scanning data that identifies underwater features below a surface of the body of water along with identifying a vertical depth of the thermocline layer based on the thermocline data.

12. The apparatus of claim 11 , wherein the memory includes instructions configured to automatically identify the areas of the body of water having the thermocline layer based on the positional data and the thermocline data and automatically display the first image on the display based on the positional data and the thermocline data.

13. The apparatus of claim 11 , wherein the memory includes instructions configured to automatically identify the underwater features below the surface of the body of water based on the sonar data, automatically identify the vertical depth of the thermocline layer based on the thermocline data, and automatically display the second image on the display based on the sonar data and the thermocline data.

14. The apparatus of claim 11 , wherein the one or more sonar sensors are configured to detect the thermocline layer in the body of water, and wherein the sonar scanning data comprises the thermocline data received from the one or more sonar sensors.

15. The apparatus of claim 11 , wherein the first image includes one or more highlights to the identified areas having a thermocline layer.

16. A method, comprising:

receiving, at a marine based multi-function display (MFD) configured to interface with a global positioning system (GPS) sensor and one or more sonar sensors, positional data comprising GPS data, wherein the positional data is received from the global positioning system (GPS) sensor;

receive, at the MFD, sonar scanning data, wherein the sonar scanning data is received from the one or more sonar sensors;

determine thermocline data based on the sonar scanning data, wherein determining the thermocline data comprises determining a depth range corresponding to a thermocline region associated with a body of water as identified in the sonar scanning data;

on a first portion of a marine electronics device, displaying a first image comprising a chart map of the body of water that identifies areas of the body of water having a thermocline layer based on the positional data and the thermocline data; and

on a second portion of the marine electronics device that is different than the first portion, displaying a second image associated with the sonar scanning data that identifies underwater features below a surface of the body of water along with identifying a vertical depth of the thermocline layer based on the thermocline data.

17. The method of claim 16 , further comprising:

automatically identifying the areas of the body of water having the thermocline layer based on the positional data and the thermocline data; and

automatically displaying the first image on the display based on the positional data and the thermocline data.

18. The method of claim 16 , further comprising:

automatically identifying the underwater features below the surface of the body of water based on the sonar scanning data;

automatically identifying the vertical depth of the thermocline layer based on the thermocline data; and

automatically displaying the second image on the display based on the sonar scanning data and the thermocline data.

19. The method of claim 16 , wherein the first image includes one or more highlights to the identified areas having a thermocline layer.

20. A method, the method comprising:

receiving, at a marine based multi-function display (MFD) configured to interface with one or more sonar transducers, sonar scanning data, wherein the sonar scanning data is received from the one or more sonar transducers;

display a chart map associated with a body of water;

receive a request to activate a thermocline overlay associated with the chart map;

determine a thermocline region associated with the body of water from sonar scanning data received from the one or more sonar transducers, wherein determining the thermocline region comprises determining a depth range corresponding to the thermocline region associated with the body of water as identified from the sonar scanning data; and

determine areas on the chart map associated with the body of water corresponding to the thermocline region; and

cause display of one or more highlights to the determined areas on the chart map corresponding to the thermocline region.