30 Questions
What is the starting point to describe the water cycle?
Oceans
What causes water in the oceans to evaporate?
Heat energy provided by solar radiation
What happens to the water vapor after it moves upwards from the oceans?
Forms clouds
What is the process called when a part of the clouds falls back to the oceans as rain?
Condensation
What happens to the portion of water that reaches the ground surface after precipitation?
Moves down the natural slope over the surface and through a network of gullies, streams, and rivers to reach the ocean
What is the term used for the portion of precipitation that reaches the stream channel?
Runoff
What is the maximum rain period in the region discussed?
June to September
What type of climate is described with no dry season?
Type II
What is the direction of movement for the climate system originating from the Marianas and Caroline Islands?
Northwesterly
Why is Mindanao spared from being directly hit by most typhoons that cross the country?
Due to its latitudinal location similar to the region of the Marianas and Caroline Islands
Why is the southern Philippines considered very desirable for agriculture and industrial development?
Sparing from direct hits by majority of typhoons
What is the term used for the area of land draining into a stream or water course at a specific location?
Drainage area or drainage basin
What fraction of incoming radiation is reflected back into space?
0.3
What is the inclination of Earth's rotation axis?
23.45°
How does the difference in heating and cooling rates of land and water cause breezes during the day?
Dense, cool air over the water moves toward the land, forcing warm air over the land to rise.
What is the general circulation pattern influenced by on Earth?
Thermal circulation and Earth's rotation.
What are two local and seasonal effects on climate mentioned in the text?
Bodies of water and mountain ranges.
What is the daily atmospheric circulation pattern called in mountain regions?
Mountain breeze and valley breeze.
During which astronomical event does the North Pole receive no sunlight?
Winter Solstice
At what latitudes does the incoming radiation on Earth surface become perpendicular during solstices?
23.5° north or south of the equator
Which days mark the equinoxes when Earth's axis tilts parallel to the Sun?
21st of March and 23rd of September
What is the albedo of Earth and what does it depend on?
0.3; geographical location, surface properties, and weather
What is the role of clouds in the Earth's climate?
Clouds contribute to the Earth's albedo by reflecting solar energy.
How does Earth's reflectivity contribute to its visibility from space?
Earth's reflectivity, including from clouds, makes the lit part of the Earth visible from space.
What type of rain gauge is not applicable for measuring snow?
Tipping bucket
How does the weighing type rain gauge measure rainfall?
Records the weight of the snow or rain
What is another name for the Natural - Siphon type rain gauge?
Float-type gauge
How does the DOST PAG-ASA Automated Rain Gauge (ARG) send rainfall data?
Wirelessly through the cellular network as a text message or SMS
What powers the DOST PAG-ASA Automated Rain Gauge (ARG) in remote areas?
Sun and internal rechargeable battery
What is the purpose of the DOST PAG-ASA Automated Rain Gauge (ARG)?
To gather and record the amount of rainfall over a set period of time
Test your knowledge on the description of the water cycle process, focusing on evaporation, cloud formation, and rainfall. Explore how water moves between the oceans, atmosphere, and land.
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