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In the Pacific Ocean, somewhere between Guam and the Philippines, lies the Marianas Trench, also known as the Mariana Trench. At 35,814 feet below sea level, its bottom is called the Challenger Deep — the deepest point known on Earth. Challenger Deep is the deepest point of the Marianas Trench.
All of us own the oceans, and yet none of us do. It’s a conundrum. For centuries, beginning with the Age of Exploration when ships were developed that could convey humans across the globe, the governments that represent people like you, the oceans’ owner, agreed that no one owned the oceans.
A “supercoolometer”, a device that sounds like it should be used to measure hipsters, has found the coldest seawater on Earth, under Antarctic sea ice.
The simple answer is that not all of the ocean floor is made of sand. The ocean floor consists of many materials, and it varies by location and depth. In shallow areas along coastlines, you’ll mainly find sand on the ocean floor. Over 70 percent of Earth’s surface is covered by oceans.
Formation and circulation. Antarctic bottom water is created in part due to the major overturning of ocean water. Antarctic bottom water is formed in the Weddell and Ross Seas, off the Adélie Coast and by Cape Darnley from surface water cooling in polynyas and below the ice shelf.
1) Antarctic bottom water is so dense because it forms off the southern coast of South America, where salt is concentrated in the ice, then squeezed out into the water, making a brine.
Antarctica is the coldest, driest, windiest continent on the planet. Temperatures can plummet to -58°F, which is 90°F below freezing (32°F is freezing). Antarctica is so cold that most of the ice there never melts; the continent is permanently covered in ice. Pure water (water with no salt in it) freezes at 32°F.
It is surrounded by land on all
sides except one point where it is fed by a stream, river
, canal etc. They are inland water bodies so don’t start and end their journey like rivers
|It moves along its banks and is not surrounded by land on all sides.
||It is an inland water body surrounded by land on all sides.
Lakes are normally much deeper than ponds and have a larger surface area. All the water in a pond is in the photic zone, meaning ponds are shallow enough to allow sunlight to reach the bottom. Lakes have aphotic zones, which are deep areas of water that receive no sunlight, preventing plants from growing.
A tributary or affluent is a stream or river that flows into a larger stream or main stem (or parent) river or a lake. A tributary does not flow directly into a sea or ocean.
Definitions for lake range in minimum sizes for a body of water from 2 hectares (5 acres) to 8 hectares (20 acres) (see also the definition of “pond”). Charles Elton, one of the founders of ecology, regarded lakes as waterbodies of 40 hectares (99 acres) or more.
English Language Learners Definition of delta
: the fourth letter of the Greek alphabet. : a piece of land shaped like a triangle that is formed when a river splits into smaller rivers before it flows into an ocean. US : an area of low land along the Mississippi River that is mainly in the state of Mississippi.
Shallow Lakes. The depth of a lake has a profound effect on its ecology. If a lake is deep enough, typically a mean depth of 8 to 10 feet or greater, it can thermally stratify, which means the surface waters are a lot warmer than the deep waters.
- Nile: 4,132 miles.
- Amazon: 4,000 miles.
- Yangtze: 3,915 miles.
Eventually a river meets the sea and the place where it does is called the mouth. The last of the mud is deposited at the river’s mouth. A wide mouth is called an estuary.
In geography, a confluence (also: conflux) occurs where two or more flowing bodies of water join together to form a single channel.
Rivers are split up into three parts: the upper course, the middle course, and the lower course. The upper course is closest to the source of a river. The land is usually high and mountainous, and the river has a steep gradient with fast-flowing water. There is a lot of vertical erosion and weathering.
Answer. According to the geographical studies, we found that the oceans get most of the rainfall which is even more than the rainfall amount in the land areas. The oceans are the largest water bodies in our planet.
A lake is a large body of water surrounded by land on all sides. Really huge lakes are often called seas. A marsh is a type of freshwater, brackish water or saltwater wetland that is found along rivers, lakes and coasts.
Not many people use this phrase today, but you could say that the modern Seven Seas include the Arctic, North Atlantic, South Atlantic, North Pacific, South Pacific, Indian, and Southern Oceans.
These water bodies differ in size, right from huge ones like oceans and seas to the small ones like ponds. Thus the various water bodies we see on the earth’s surface are in the form of oceans, seas, lakes, rivers, ponds, waterfalls etc.
Bodies of Water
- Rivers and Streams.
A well, a pond, a river; A stream, a sea, a fountain; A bay, a lake, an ocean.
Stream – A small natural waterway, larger than a brook, but smaller than a creek. Creek – A medium natural waterway, larger than a stream. Often a tributary to a river.
In terms of geography, seas are smaller than oceans and are usually located where the land and ocean meet. Typically, seas are partially enclosed by land. Seas are found on the margins of the ocean and are partially enclosed by land.