Why is stevenson screen white

The Stevenson screen is a prominent feature in most weather stations. As we have seen, a weather station is a place where weather or meteorological instruments are kept and used for measuring and recording all the elements of weather. A weather station is normally found in an open area away from any obstructions.

The Stevenson screen is one of the major structures found in any weather station. As can be seen in the picture the Stevenson Screen is a box-like structure designed to shield certain weather instruments from direct heat radiation and precipitation while still allowing air to circulate freely.

This structure was designed by Thomas Stevenson , a British engineer and meteorologist and father of the author Robert Louis Stevenson. This box with louvered sides creates as near as possible, a uniform environment in relation to the air outside and it is used to house a number of weather instruments such as thermometers maximum and minimum , a barometer and a hygrometer.

By using such a box-like structure weather stations all around the world will provide and ensure a standard and reliable weather data. Now watch this short video clip which explains some of the most prominent characteristics of the Stevenson Screen. While watching the video take notes on some of the features designed by the Stevenson screen to ensure reliable weather data.

The standard temperature shelter is painted white. At the weather station we also find a Stevenson screen. What is significance of weather forecasting f. Give any one modern method of preserving fish.

The sides of the housing have a double-louvered design. Some modern Stevenson screens are made of durable materials and do not need painting. State two dangers of too much sunshine in the environment. Stevenson screen has sides to encourage the free passage of air. Stevenson Screen - modern. Log into add a comment razafaizan22 Fig. External Dimensions : 58 w x 42 d x 54 h cm. A single screen may measure Back in the NWS had stopped using whitewash and started painting its Stevenson Screens with white, semi-gloss, latex paint.

North - to keep out direct sunlight Why is a Stevenson Screen on legs one metre above the ground? They protect the temperature sensors from being influenced by direct or reflected sunlight. Stevenson screens are always painted white to better reflect the sun's rays.

The louvered sides allow outside air to flow around the thermometers. At some locations, the airflow is assisted by a psychrometer motor The Stevenson screen was designed by Thomas Stevenson , a British civil engineer, in order to accurately measure air temperatures rather than side effects like solar irradiation heating up the thermometers.

Why do stevenson screens have slanted roofs? The Stevenson Screen is also painted white to reflect the heat from the sun and other sources of thermal radiation.

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Suggest us how to improve StudyLib For complaints, use another form. Your e-mail Input it if you want to receive answer. Rate us 1. Cancel Send. Q: Why is the stevenson screen painted white? Write your answer Related questions. What is the function of painted white in Stevenson screen? What is a stevenson screen used for? Why are the sides of the 'stevenson screen' louvered? Why is the stevenon screen painted white?

Why is the thermometer kept in the stevenson screen? When was the Stevenson Screen invented? What is a stevenson screen? What significant weather-related invention was Robert Louis Stevenson's father responsible for? What did Robert Louis Stevenson's father invent? How effective is the stevenson screen? Why is a stevenson screen off the ground? Why stevenson screen has four legs? Which 4 instrument are kept in a stevenson screen? Why do we use a stevenson screen?