Solar Radiation, Heat Balance and Temperature
Class 11 · Geography · 18 Questions
The sun is directly overhead at noon on 21st June at:
In which one of the following cities, are the days the longest?
The atmosphere is mainly heated by the:
Make correct pairs from the following two columns: (i) Insolation, (ii) Albedo, (iii) Isotherm, (iv) Annual range with (a) The difference between the mean temperature of the warmest and the coldest months, (b) The lines joining the places of equal temperature, (c) The incoming solar radiation, (d) The percentage of visible light reflected by an object
The main reason that the earth experiences highest temperatures in the subtropics in the northern hemisphere rather than at the equator is:
How does the unequal distribution of heat over the planet earth in space and time cause variations in weather and climate?
What are the factors that control temperature distribution on the surface of the earth?
Why is the annual range of temperature high in the Siberian plains?
How do the latitude and the tilt in the axis of rotation of the earth affect the amount of radiation received at the earth's surface?
Discuss the processes through which the earth-atmosphere system maintains heat balance.
Compare the global distribution of temperature in January over the northern and the southern hemisphere of the earth.
Note the altitude, latitude of the observatory and the period for which the mean is calculated.
Define the terms related to temperature as given in the table:
| Month | Mean of Daily Max.(C) | Mean of Daily Min.(C) | Highest Recorded (C) | Lowest Recorded (C) |
|---|---|---|---|---|
| January | 21.1 | 7.3 | 29.3 | 0.6 |
| May | 39.6 | 25.9 | 47.2 | 17.5 |
Calculate the daily mean monthly temperature.
Draw a graph to show the daily mean maximum, the daily mean minimum and the mean temperature.
Calculate the annual range of temperature.
Find out in which months the daily range of temperature is the highest and the lowest.
List out the factors that determine the temperature of the place and explain the possible causes for temperature variation in the months of January, May, July and October.