what is the range of temperatures above the thermocline? course hero

by Zita Hayes 5 min read

What happens to the temperature in the thermocline?

In the thermocline, the temperature decreases rapidly from the mixed layer temperature to the much colder deep water temperature. In the ocean, the depth and strength of the thermocline vary from season to season and year to year.

What is a thermocline in geography?

A thermocline is the transition layer between warmer mixed water at the ocean's surface and cooler deep water below. It is semi-permanent in the tropics, variable in temperate regions (often deepest during the summer), and shallow to nonexistent in the polar regions, where the water column is cold from the surface to the bottom.

What is the thermocline in a hurricane?

A thermocline is the transition layer between warmer mixed water at the ocean's surface and cooler deep water below. Water vapor evaporated from the ocean is a hurricane's primary fuel. The depth of the thermocline is the measure of the size of the "fuel tank" and helps to predict the risk of hurricane formation.

What does the depth of the thermocline measure?

The depth of the thermocline is the measure of the size of the "fuel tank" and helps to predict the risk of hurricane formation.

What is the temperature range of the thermocline?

Below 3,300 feet to a depth of about 13,100 feet, water temperature remains constant. At depths below 13,100 feet, the temperature ranges from near freezing to just above the freezing point of water as depth increases.

What is above the thermocline?

The top, warmer layer is referred to as the epilimnion; the colder bottom layer is known as the hypolimnion. These two layers are separated by the metalimnion. The metalimnion, better known as the thermocline, is a zone of rapidly changing temperature.

What causes temperature thermocline?

Once the wind increases over the lake causing wave action, the warmer mixed layer at the surface starts to mingle with the deep water which results in a fluctuation of the depth of the thermocline. As this depth fluctuates, a stationary thermometer in the water can record these rapid changes.

What does the thermocline measure?

Thermocline is a transitional barrier or layer of water in which the water temperature changes rapidly and is very different from the warmer layer that is above it. The colder layer below it is called the thermocline.

What is the temperature of the thermocline in a lake?

In the fall, mixing continues until in the lake temperature drops below 4 degrees Celsius. In the spring mixing continues until the lake warms above 4 degrees Celsius and begins to stratify, forming a thermocline. The thermal stratification process begins with longer, sunny days warming the surface waters of the lake.

What is the thermocline quizlet?

A thermocline (sometimes metalimnion in lakes) is a thin but distinct layer in a large body of fluid (e.g. water, such as an ocean or lake, or air, such as an atmosphere) in which temperature changes more rapidly with depth than it does in the layers above or below. You just studied 10 terms! 1/10.

What is the depth of the thermocline?

A widespread permanent thermocline exists beneath the relatively warm, well-mixed surface layer, from depths of about 200 m (660 feet) to about 1,000 m (3,000 feet), in which interval temperatures diminish steadily.

How thick is a thermocline?

The thickness of the thermocline can vary from as little as a foot to more than 10 feet. The depth of the thermocline might be as shallow as 3 feet in a shallow pond or as deep as 35 or 40 feet in a deep, clear lake. Initially, when a lake stratifies, the upper and lower portions are well oxygenated.

What is a thermocline Class 11?

The boundary region where there is a rapid decrease of temperature is called thermocline. Thermocline is the second layer of ocean water which lies below the first layer and it is characterised by a rapid decrease in temperature with increasing depth.

What does a thermocline look like?

1:463:54How To Read A Fish Finder : Finding Thermocline - YouTubeYouTubeStart of suggested clipEnd of suggested clipUsually you will see a real fuzzy looking haze across the bottom and it'll be uniform. If you're inMoreUsually you will see a real fuzzy looking haze across the bottom and it'll be uniform. If you're in whatever depth of water 35 40 feet of water. 30 feet of water that. Line is going to be uniform.

What is the temperature of the ocean at different depths?

Temperatures in the oceans decrease with increasing depth. There are no seasonal changes at the greater depths. The temperature range extends from 30 °C (86 °F) at the sea surface to −1 °C (30.2 °F) at the seabed.

What changes the depth of the thermocline?

Factors that affect the depth and thickness of a thermocline include seasonal weather variations, latitude, and local environmental conditions, such as tides and currents.

How deep is the thermocline?

In the thermocline, temperature decreases rapidly from the mixed upper layer of the ocean (called the epipelagic zone) to much colder deep water in the thermocline (mesopelagic zone). Below 3,300 feet to a depth of about 13,100 feet, water temperature remains constant.

What is the transition layer between the warmer mixed water at the surface and the cooler deep water below?

A thermocline is the transition layer between the warmer mixed water at the surface and the cooler deep water below. It is relatively easy to tell when you have reached the thermocline in a body of water because there is a sudden change in temperature.

What is the top layer of water?

Bodies of water are made up of layers, determined by temperature. The top surface layer is called the epipelagic zone, and is sometimes referred to as the "ocean skin" or "sunlight zone.". This layer interacts with the wind and waves, which mixes the water and distributes the warmth. At the base of this layer is the thermocline.

Is the thermocline permanent?

It is semi-permanent in the tropics, variable in temperate regions (often deepest during the summer), and shallow to nonexistent in the polar regions, where the water column is cold from the surface to the bottom.

What is thermocline in water?

Thermocline is a transitional barrier or layer of water in which the water temperature changes rapidly and is very different from ...

What is the transitional barrier between water and the warmer layer?

Thermocline is a transitional barrier or layer of water in which the water temperature changes rapidly and is very different from the warmer layer that is above it. The colder layer below it is called the thermocline. For a more thorough definition and understanding of it, check out our article on thermoclines.

Where to find baitfish in the thermocline?

As we have already seen, the best place to find baitfish is the area just above the thermocline. This layer has enough dissolved oxygen, and the warmer waters are mixed with, the cooler waters to make it just right for fish to thrive.

Is finding a thermocline a good idea?

We have already covered this extensively, including why finding the thermocline would be a good idea for anglers. As an avid angler, you need to get really good at finding the thermocline. In some cases, you can easily deduce that you are fishing beneath it when you spend hours without any bites.

Can you identify thermocline without boat instruments?

Without Using Boat Instruments: If you are not keen on using boat instruments, don’t worry, there are still ways to identify the thermocline. However, you are now venturing into more guessing than actual science. That being said, here are some ways to make a more educated guess as opposed to a blind one:

Does thermocline affect fishing?

While it might seem that thermocline play a direct role in scuba diving, that is not the only water based activities that are affected by this phenomenon. Thermoclines also affect fishing (more on that in just a bit). It is, therefore, important for anglers to learn how to find and recognize thermocline. Here are some ways through which they can do ...