Types of inland waters Rivers Rivers Rivers Rivers Lakes Lakes Lakes Swamps Swamps Swamps Glaciers Glaciers Glaciers The groundwater Groundwater Groundwater Groundwater Permafrost Permafrost Permafrost Permafrost Water resources Water resources Water resources Water resources
The slope and fall of the river The fall of the river is the excess of the source over the mouth. Expressed in meters. The fall of the river is the excess of the source over the mouth. Expressed in meters. The slope of a river is the ratio of the fall of a river to its length. Expressed in cm/km. The slope of a river is the ratio of the fall of a river to its length. Expressed in cm/km.
Lakes Lakes are closed basins filled with water. Lakes are closed basins filled with water. Lakes are fresh and salty, Lakes are fresh and salty, wastewater and drainless. waste and non-drainage. Lakes are distinguished by origin: Lakes are distinguished by origin: tectonic glacial-tectonic moraine volcanic thermokarst reservoirs
Thermokarst lakes are located on the territory with permafrost. They are located on the territory with permafrost. In summer, the permafrost thaws, the soils subside, and shallow depressions filled with melt water form. In summer, the permafrost thaws, the soils subside, and shallow depressions filled with melt water form. There are many such lakes in Yakutia, the most famous is Nedzheli. There are many such lakes in Yakutia, the most famous is Nedzheli.
Glacial-tectonic lake Tectonic lakes that are deepened under the weight of an ancient glacier. Tectonic lakes that are deepened under the weight of an ancient glacier. Located in the northwest of the Russian Plain. Located in the northwest of the Russian Plain.
Tectonic lake Tectonic lakes are formed in the faults of the earth's crust. Tectonic lakes are formed in the faults of the earth's crust. Such lakes are oblong: narrow and long. Such lakes are oblong: narrow and long. A prominent representative is Baikal. A prominent representative is Baikal.
Volcanic lakes Volcanic lakes are formed in the craters of volcanoes (when the lake erupts, they boil away). Volcanic lakes are formed in the craters of volcanoes (the lakes boil away during an eruption). In Russia, they are located mainly on Kuril Islands and on the Kamchatka Peninsula In Russia, they are located mainly on the Kuril Islands and on the Kamchatka Peninsula
Permafrost Permafrost is an underground glaciation, the upper layer of the earth's crust, which has all year round freezing temperatures and ice that remains in the ground for hundreds of years. this is underground glaciation, the upper layer of the earth's crust, which has negative temperatures all year round and ice remains in the ground for hundreds of years.
Water resources Water resources are surface and ground waters that are used in everyday life, industry and agriculture. Water resources Drinking and household products Waterways River, tide and tide energy Industry and Agriculture
Water Resources Assessment The Water Cadastre is a systematized collection of information about the country's water resources. The water cadastre is a systematized collection of information about the country's water resources. It summarizes the materials of hydrological observations and studies, collects data for scientific and economic organizations. It summarizes the materials of hydrological observations and studies, collects data for scientific and economic organizations.
Human influence on water resources. Water use Water use Water use 1.Fish industry 1.Fish industry 2.Hydropower (HPP) 2.Hydropower (HPP) 3.Bathing in the river 3.Bathing in the river 4.Fishing on the shore with a fishing rod 4.Fishing on the shore with a fishing rod Water users pollute water, degrade its quality. Water consumption. Water consumption. 1.Industry 1.Industry 2.Agriculture 2.Agriculture 3.Communal services (water in the apartment, watering the streets). 3. Communal services (water in the apartment, watering the streets) As a result of consumption, the quantity and quality of water decreases.
Used sites and literature II Barinova Recommendations for lesson planning. M.: Bustard. II Barinova Recommendations for lesson planning. M.: Bustard. Modern lesson of geography.- M.: School press, 2002 Modern lesson of geography.- M.: School press, 2002 E.A.Zhizhina. Pourochnye developments in geography. M.: E.A.Zhizhina. Pourochnye developments in geography. M.: I.I.Barinova., V.Yarom Geography of Russia. Toolkit. M.: Bustard, I.I.Barinova., V.Yarom Geography of Russia. Toolkit. M.: Bustard, 1998.
Perennial
permafrost
What are the major rivers that flow through North America?
The largest river system ....
MISSISSIPPI
(from the Indian "misi sepe" - a great river)
with the Missouri tributary
(named after the Indian tribe that lived on its shores).
The river has a large basin, collects water from the Rocky Mountains, the Appalachians, from the Central and Great Plains. The Mississippi is full of water all year round, flooding in the spring due to snowmelt and summer rains. In the lower reaches, it winds, forms many islands in the channel.
Task: compare the rivers of North America with the rivers
other continents, draw a conclusion.
Table " Major rivers peace."
Name |
Length, km |
pool area, |
|
(with Kagera) |
|||
Mississippi |
(with Missouri) |
||
Amazon |
|||
(with Maranion) |
|||
(with Irtysh) |
|||
(with Argun) |
|||
Colorado |
|||
To which oceans do the rivers of North America carry their waters?
Which ocean basin is larger? What are the main sources of food for rivers?
(working with atlas maps, fill in the block diagram) |
||
Rivers of the North |
||
basin |
basin |
|
basin |
||
examples of rivers: |
examples of rivers: |
|
characteristic: |
examples of rivers: |
characteristic: |
characteristic: |
||
Characteristics of the rivers of the North |
|||
Rivers of the North |
|||
basin |
basin |
||
Atlantic |
Pacific Ocean |
||
basin |
|||
North Arctic |
|||
R. St. Lawrence |
R. Colorado, Yukon |
||
Stormy, high water, |
|||
short rapids, |
R. Mackenzie |
short, rich |
|
rich in energy |
hydropower, valleys |
||
snow food, |
|||
having a constant flow |
freeze for a long time |
||
stock differences |
deep (Grand Canyon) |
||
Presentation on the topic " Inland waters Russia. Rivers." Grade 8
1. Internal waters.
2. Rivers of Russia.
3. Basic concepts.
4. Dependence of rivers on relief and climate.
5. Fall and slope of the river.
6. Feeding rivers.
7. Rec mode.
8. Natural phenomena on the rivers.
9. Rivers of our region
Download:
Preview:
To use the preview of presentations, create an account for yourself ( account) Google and sign in: https://accounts.google.com
Slides captions:
Inland waters. Rivers of Russia.
Lesson plan. 1. Internal waters. 2. Rivers of Russia. 3. Basic concepts. 4. Dependence of rivers on relief and climate. 5. Fall and slope of the river. 6. Feeding rivers. 7. Rec mode. 8. Natural phenomena on the rivers. 9. Rivers of our region. 10. Repetition.
1. Using fig. 34 § 12, name the components of inland waters. Inland waters. rivers lakes swamps groundwater artificial reservoirs glaciers
Rivers of Russia. Arctic Ocean Pacific Ocean Internal runoff Atlantic Ocean Ob Amur Volga Don 21-2,3 + atlas p.28-29 2. Using the map of the atlas, distribute the rivers among the ocean basins.
3. Recall the basic concepts: Source; Mouth; River basin. bed; floodplain; Terraces. 21-5
Mountain rivers - stormy, fast 4. How does the relief affect the nature of the flow of rivers?
The rivers are flat - slow, calm
5. Fall and slope of the river. H¹ is the source height; H² - mouth height; H¹ - H² = N (m) - fall. U - slope; Y \u003d H / L, where L is the length of the river (km). Example: Determine the fall and slope of the Lena River (source height - 930 m, mouth - 0 m). H \u003d 930 - 0 \u003d 930 m; Y \u003d 930 m / 4400 km \u003d 2.1 cm / km Conclusion: the river is flat
6. Feeding rivers: Remember what kind of food rivers have? rain snow ground glacial mixed What kind of food prevails near the rivers of our country? mixed 17, 18
River regime - the behavior of the river during the year. Why do you need to know the regime of rivers? 11-16
Rivers with spring flood
9. What is low water? – The lowest water level in the river.
8. What is a flood? – The annual rise in the water level in the river as a result of snowmelt.
10. What is a flood? A short-term rise in the water level in a river as a result of heavy rains.
11. What is the annual flow? This is the amount of water flowing in a river bed in a year.
flood 12. What natural phenomena can be associated with rivers?
rivers of our region. Terek
