"Changes and Differences in Precipitation" PPT

"Changes and Differences in Precipitation" PPT

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"Changes and Differences in Precipitation" PPT

Part One Content: Determination of Precipitation and Precipitation Amount

Rainfall, snowfall, hail, etc. are collectively referred to as atmospheric precipitation.

The impact of precipitation on production and life

Heavy rain triggers collapse

Extremely heavy rain

Cattle and sheep cannot eat grass due to snowstorm

Western United States without rain in nearly four months

Changes and differences in precipitation PPT, part 2: summary

Definition: falling to the ground in the form of rain, snow, hail, etc.

Main form of precipitation: Rainfall

Rainfall level: light rain, moderate rain, heavy rain

Determination of precipitation

Basic instrument: rain gauge

Unit: mm

The impact of precipitation on production and life

Changes and differences in precipitation PPT, Part 3: Seasonal changes in precipitation

1. Precipitation is different in different places at the same time.

2. The same place has different precipitation in different seasons.

3. Precipitation histograms are commonly used to represent seasonal changes in precipitation.

Interpretation of precipitation histograms

Which month has the most precipitation and the least precipitation, and how much is each?

Is precipitation distributed evenly throughout the seasons?

Changes and Differences in Precipitation PPT, Part 4: The Law of “Four More and Four Less”

1. There is __ precipitation in the areas near the equator and __ precipitation in the polar regions.

Latitudinal factors: more precipitation in the equatorial regions and less precipitation in the polar regions

2. Near the Tropic of Cancer, precipitation is __ on the east coast of the mainland and __ on the west coast.

3. In mid-latitude areas, precipitation is __ in coastal areas and __ in inland areas.

Observe and think

The areas with the most and least precipitation in the world?

Near the Tropic of Cancer, what are the precipitation characteristics on the east and west coasts of the mainland?

What are the characteristics of annual precipitation in mid-latitudes, coastal and inland areas?

Changes and Differences in Precipitation PPT, Part 5: Practice:

1. ( ) is usually used to represent the seasonal changes in precipitation in a place within a year.

A. Isoprecipitation line chart B. World climate distribution map

C. Precipitation histogram D. Temperature annual change chart

2. The annual precipitation in areas near the equator is generally ()

A. 2000mm B. Below 2000mm

C. More than 1000 mm D. 2000 mm or more

3. Which statement about the spatial distribution of precipitation is correct?

A. There is more precipitation on the windward slopes of mountains B. Heavy rainfall in coastal areas

C. There is less precipitation on the west coast of the mainland D. Less precipitation in the interior of the continent

Keywords: Business Planet Edition seventh grade geography PPT courseware free download, changes and differences in precipitation PPT download, .PPT format;

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"Changes and Differences in Precipitation" PPT courseware:

"Changes and Differences in Precipitation" PPT courseware Part One: Learning Objectives 1. Know the forms of precipitation and the measurement of precipitation. 2. Preliminarily learn to read and draw precipitation histograms, and be able to use precipitation histograms to explain the changing patterns of precipitation. 3. Preliminarily learn to read...

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