Longitude in geography? 40, Longitude in geography?

The global longitude is 360 degrees, 180 degrees east and west, and the dividing line is the 0 degree longitude in London, which is the prime meridian, and then 180 degrees east is east longitude, and 180 degrees west is west longitude.

The 20 degrees of west longitude and 160 degrees east longitude you said form a meridian coil, which divides the eastern and western hemispheres. Originally, it was supposed to use the 0 degree meridian and the east longitude 180 to divide the eastern and western hemispheres, but the 0 degree meridian passed through some countries and divided some countries into two hemispheres, so the meridian coil with 20 degrees west longitude and 160 degrees east longitude was used to form a meridian coil, and this meridian coil was at sea, and some countries would not be divided into two hemispheres.

The dividing line between east and west longitude is the meridian coil composed of 0° longitude and 180° longitude, the range from east 0° to west of 180° is east longitude, and the range from east of 180° to west of 0° is west longitude. The 20° meridian and the 160° meridian are semicircles in shape, and these two meridians are opposite, and the two meridians meet at the two levels of the earth to form a circle, called the meridian coil

Pick up a map or a globe, and look at the border between Russia and the United States, and there's a semicircle from the South Pole to the North Pole that's 180 degrees in the Bering Strait, and then look for the location of the United Kingdom, where there's also a semicircle that's 0 degrees, so these two meridians divide the Earth in half, and there's 0 to 180 degrees east longitude on the Chinese side, and 0 to 180 degrees west longitude on the American side. As for the meridian coils, to put it simply, they are two meridians that combine and divide the earth in half. If you want to take a globe, you can see it from two levels, 0 degrees opposite is exactly 180, and the opposite side of 20 degrees is just 160, so it forms a meridian coil, but what your teacher said, 20 degrees of west longitude, 160 degrees of east longitude, is the dividing line of the western hemisphere, why not take 0 degrees and 180 degrees as the dividing line of the eastern and western hemispheres? Because the people who were doing geography were too lazy to split the countries on the continent, they decided to choose the warp coil that basically passed through the ocean. Of course, China is still in the Eastern Hemisphere, and the United States is in the Western Hemisphere.

The earth is round, and 20 west longitude and 160 east longitude form a circle on the earth, which is said to be a meridian coil.

Counting east from 0 degrees to London, counting to the right on a flat earth, and 180 to east longitude.

Counting west from 0 degrees to London, on a flat earth is counting to the left, and reaching 180 is west longitude, theoretically 180 west longitude and 180 east longitude coincide.

I'm embarrassed to say it'......s too clear downstairsWhen I first learned, I was a little blind, but if you want to establish the concept of space, it's OK, the best way is to buy a globe, gray is often practical!!

The warp is longitudinal and the weft is transverse.

Step 1: Determine the east-west longitude and north-south latitude code (and the most critical step).

Judging basis: Looking at the numbers, it is east longitude (e) that is getting bigger and bigger to the east, west longitude (w) that is getting bigger and bigger to the west, north latitude (n), and south latitude (s) that is getting bigger and bigger to the south.

Method: Arrow indication method.

According to the law of change of longitude and latitude numbers, draw arrows from small to large, and the arrows point to the corresponding latitude and longitude.

Step 2: Determine the direction.

Method: The meridian refers to the east and west (absolute direction) For example, if you want to determine the direction of point A at point C, mark the east and west, north and south at point C, and then see that point A is bounded between the two directions, then point A is in the direction of point C.

Step 3: Judge the east, west, north and south hemispheres according to latitude and longitude.

Judgment of the eastern and western hemispheres: longitude less than 20 degrees, all in the eastern hemisphere; Longitude greater than 160 degrees, all in the Western Hemisphere; The longitude is between 20 and 160 degrees, the east longitude is in the eastern hemisphere, and the west longitude is in the western hemisphere.

Judgment of the northern and southern hemispheres: north latitude in the northern hemisphere, southern latitude in the southern hemisphere.

North and south are latitudes, and east and west are longitudes.

Hello, 1, up north and down south, left west and right east. 2. The meridian extends in the east-west direction, and the latitude extends in the north-south direction. 3. In the latitude, the larger the northward to the north, the greater it is, indicating the northern latitude, and the larger the southward, the larger it is, indicating the southern latitude.

4. In the longitude, the greater the eastward it is, it means the east longitude, and the larger it is the westward, which means the west longitude. 5. Conclusion: a is 40 degrees south latitude and 40 degrees west longitude; b is 40 degrees north latitude and 40 degrees east longitude; c is 10 degrees north latitude and 170 degrees west longitude; d is 10 degrees south latitude and 170 degrees east longitude.

1. Introduction: On the general map, the horizontal latitude and vertical longitude, the meridian connects the north and south poles, and the latitude is a closed coil parallel to the equator. Longitude up to 180°, latitude up to 90°2, longitude:

When dividing longitude, the longitude that passes through the original site of the Greenwich Observatory in London is determined to be the 0° meridian, also known as the prime meridian. The east of the prime meridian is the east longitude, and the west is the west longitude, so in all the longitudes, except for the 0° and 180° meridians, there is no need to add east or west longitude, and the other longitudes must be followed by e or w to indicate the longitude. Regardless of east or west longitude, the closer to the prime meridian, the smaller the degree, so in the east longitude region, the greater the degree the further east; In the west longitude region, the further east you go, the smaller the degree.

3. Latitude: The division of latitude is 0° at the equator, south of the equator is the south latitude, north of the equator is the north latitude, and the north and south poles are 90 ° north and south latitude respectively (therefore, only the north and south latitudes of the equator 0 ° are not added in the latitude, and n or s must be added to the others). Similarly, the closer you are to the equator, the lower the degree in latitude.

Thus, the degrees are greater the further north in the Northern Hemisphere and smaller the further north in the Southern Hemisphere.

4. Function: Use latitude and longitude to judge the direction of north latitude The direction of increase in north latitude is north, and the direction of decrease is south; The direction of increase in southern latitude is south, and the direction of decrease is north. The direction of east longitude increase is east, and the direction of decrease is west; The direction of the increase in west longitude is west, and the direction of decrease is east.

The two points are not in the same meridian or latitude, the one near the North Pole is in the north, and the one near the South Pole is in the south.

Geographic longitude latitude, geographically, horizontal latitude and vertical longitude. Above the weft is the latitude, and above the longitude is the longitude. On the graticule, the westward expansion of longitude is the west longitude (Western Hemisphere), the eastward expansion is the east longitude (Eastern Hemisphere), the northern expansion of the latitude is the northern latitude (Northern Hemisphere), and the southern latitude is the southern latitude (Southern Hemisphere).

See the method of labeling latitude and the law of the distribution and arrangement of latitude: latitude is calculated from the equator, the equator is set at 0 degrees, from the equator to the north pole and the south pole are divided into 90 degrees, and the north of the equator is the north latitude, and the code is n; To the south is the south latitude, the code is S, 90 degrees north latitude is the North Pole, and 90 degrees south latitude is the South Pole. The dividing line between southern and northern latitudes is the equator.

See the method of marking longitude and the law of longitude distribution and arrangement: it is internationally stipulated that the longitude that passes through the original site of the Greenwich Observatory in London is set as the 0 degree meridian, also known as the prime meridian. From the prime meridian to the east and west, each divided into 180 degrees, the east 180 degrees belong to the east longitude, the west 180 degrees belong to the west longitude, the maximum longitude is 180 degrees, and there is only one 180 degrees of longitude.

The dividing line between east and west longitude is the 0 degree longitude and the 180 degree longitude.

1. Longitude, a geographical term, generally refers to the ordinate of the spherical coordinate system, specifically the degree to the east or west of a place on the earth from a north-south alignment line called the prime meridian.

2. Latitude refers to the line between a certain point and the center of the earth's sphere and the angle of the earth's equatorial plane, and its value is between 0 and 90 degrees. The latitude of a point located north of the equator is called north latitude and is denoted as n, and the latitude of a point located south of the equator is called southern latitude and denoted as s.

3. Longitude and latitude are the combined names of longitude and latitude to form a coordinate system. It is called a geographic coordinate system, which is a spherical coordinate system that uses the sphere of three-dimensional space to define space on the earth, and can mark any position on the earth.

4. Areas with latitude values between 0 and 30 degrees are called low-latitude areas; Areas with latitude values between 30 and 60 degrees are called mid-latitudes; Areas with latitude values between 60 and 90 degrees are called high latitudes.

5. Longitude is the degree to the east or west of a north-south alignment of a place on the earth called the prime meridian. The longitude of the prime meridian is 0°, and the longitude of the rest of the earth is 180° east or 180° west. The longitude east of the prime meridian is called east longitude, and the longitude west of the prime meridian is called west longitude.

East longitude is represented by an "e" and west longitude is represented by a "w".

<> latitude and longitude range of the four oceans:

1. Pacific Ocean: north to Bering Strait, 65 degrees 44 minutes north latitude, south to Antarctica, 85 degrees 33 minutes south latitude, 151 degrees across latitude. It is 78 degrees 08 minutes east to west and 99 degrees 10 minutes east longitude.

2. Atlantic Ocean: Located between Europe, Africa and North America and South America, it is bordered by the Arctic Ocean in the north, Antarctica in the south, the Pacific Ocean in the southwest by the meridian through Cape Horn (67 degrees west longitude), and the Indian Ocean in the southeast.

3. Indian Ocean: From Cape Agulhas in Africa to the south, along the 20° east longitude line to the Antarctic continent. The southeast runs south from the southeast corner of Tasmania and follows the 147°E line to the Antarctic continent.

The Indian Ocean is located between the continents of Asia, Africa, Antarctica and Oceania, and is bounded by the Atlantic Ocean in the southwest by the 20° east longitude line through Cape Agulhas in South Africa, and in the southeast by the 146 degrees 51 minutes east longitude through the southeast corner of Tasmania, and meets the Pacific Ocean.

4. Arctic Ocean: The Arctic Ocean is surrounded by land. It is connected to the Atlantic Ocean by the Norwegian Sea, the Greenland Sea and Baffin Bay. Europe is separated from North America by the Iceland-Faroe Sea Ridge and the Wivia Thomson Ridge and the Atlantic Ocean.

Question 1: How to look at geographic latitude and longitude About geographic latitude and longitude here.

In the study of geography, we should look at more maps, do more exercises, and discuss more.

Question 2: How to look at the latitude and longitude of geography** The latitude and longitude of geography are generally marked with east longitude, west longitude, south latitude and north latitude. However, in some maps, only numbers are marked, but there is no specific north-south latitude and east-west longitude.

For latitude, if the number is higher the further north, then it is north latitude; This number is between 0-90. 0° is the equator; On the contrary, the lower the number is, the lower it is, then it is the southern latitude.

For the judgment of longitude, firstly, if the number of longitude is greater the further east, then it is east longitude, and this number is between 0 and 180; On the other hand, if the number is smaller and lower the further east you go, then it is the west longitude, and here you can imagine turning the front side of the earth to the opposite side, which will feel awkward, but it should still be imaginable. Another important point in looking at longitude is the 0° longitude and 180° longitude. It is also important to note that the Eastern Hemisphere refers to 20°W longitude to 160°E longitude.

Question 3: How to write the latitude and longitude of geography **Numeric degree The first letter of the English direction, for example: 30°N, that is, 30 degrees north latitude.

Question 4: Geographical latitude and longitude Which one is written in the front? There are two ways to express the latitude and longitude of geography, one is in Chinese characters and the other is in English letters.

1. Represented by Chinese characters: Chinese characters must be written in front of the degree.

For example: 40° north latitude, 25° south latitude, 10° east longitude, 35° west longitude

2. Represented by English letters: The letters must be written after the degree (N means north latitude, S means south latitude, E means east longitude, W means west longitude.) These four letters are actually the first letters of the English word Middle East, West, South, and North in the four directions).

Such as: 40° 40° N, 25° 25 ° S, 10° 10 ° E, 35° 35 W longitude

3. If you ask about the longitude and longitude coordinates, which one is written first and which one is written last, it is like the question of who is in front and who is behind the x and y values in the Cartesian coordinate system in mathematics. As for the before and after geographical latitude and longitude, there are no hard and fast rules, and closing the factory is the usual writing habit, and the order is reversed, and it will not count you wrong. (In geography majors, in most cases, longitude is written first, and latitude is written later).

Question 5: How to find the latitude and longitude of the geographical location Knowing the latitude and longitude, you can locate the place on the map, which is very easy to operate. At present, Google Maps and Google Earth are mostly achievable.

Google Maps, Google Earth.

Method steps.

Question 6: How to look at the latitude and longitude of geography??! Beg!! Give a picture, otherwise how to look at it.

There are formulas: north latitude of the north of the north, south of the south latitude, east longitude, west west longitude.

Here's one.

On the globe, you can see criss-crossing lines, which are the latitude and longitude lines. The line connecting the north and south poles is called the meridian line. The thread perpendicular to the warp is called the weft. The weft is a circle of varying lengths. The longest parallel is the equator.

The meridians and parallels were drawn on globes and maps in order to determine the position and direction on the earth, and there were no latitude and longitude lines on the ground. However, it is not difficult to see the meridian of your place: stand a bamboo pole on the ground, and when the sun rises at noon, the shadow of the bamboo pole is the meridian of your place.

Because the meridian indicates the north-south direction, the meridian is also called the meridian.

On a map, a meridian and a parallel perpendicular to the meridian can be drawn at any point on the earth's surface. In this way, countless warp and weft threads can be drawn. How can you distinguish these warp and weft threads?

The best thing to do is to give each of the warp and latitude threads a name, which is latitude and longitude. The name of each meridian is indicated by longitude, and the name of each parallel is represented by latitude.

Internationally, the meridian that passes through the original site of the Greenwich Observatory in the United Kingdom is called the 0° meridian, also known as the prime meridian. From the 0° meridian to the east is called the east longitude; To the west is called the West Longitude. Since the Earth is a sphere, it has 180° east and west longitudes

180°E and 180°W are on the same meridian, that is the 180° meridian.

The longest coil of latitude, the equator, is called the 0° parallel. The latitude measured from the equator to the north is called the north latitude; The one to the south is called the southern latitude. The north and south latitudes are 90° eachThe North Pole is 90° north latitude

Since the meridians connect the north and south poles, all the meridians are equal in length and indicate the north-south direction. The parallels all indicate the east-west direction. The warp and weft threads are perpendicular to each other and intertwined with each other, forming a graticule.

When we read a map, we can use the graticule to determine the direction, and we can also determine the latitude and longitude of any point on the earth.

The meridians and parallels can also divide the earth into several different hemispheres. Like cutting a watermelon, the earth is cut along the equator, and the hemisphere north of the equator is called the northern hemisphere; The hemisphere south of the equator is called the Southern Hemisphere. For example, if the earth is cut along the longitude of 20°W and 160°E, the hemisphere from 20°W to 160°E is called the Eastern Hemisphere; The hemisphere to the west is called the western hemisphere.

If you don't know, ask again; Satisfied, good luck open!】