Revision notes


Kartei Details

Karten 24
Sprache English
Kategorie Naturkunde
Stufe Universität
Erstellt / Aktualisiert 07.09.2014 / 05.01.2020
Weblink
https://card2brain.ch/box/engineering_hydrology
Einbinden
<iframe src="https://card2brain.ch/box/engineering_hydrology/embed" width="780" height="150" scrolling="no" frameborder="0"></iframe>

By how much % Evaporation in oceans greater than land ?

Energy for driving hydrological cycle is obtained from ?

Sun

Aprroximately how much water is present on earth ?

1400 million cubic kilometer

How much % of 1400 million cubic kilmeter of water is fresh water ?

Which is the principle form of precipitation in India. ?

Rainfall is used to describe precipitation in which drop size varies from (mm) ?

Rainfall classification on basis of intensity ?

It is as follows

In India when is Rainfall data collected ?

In India day is called a rainy day when rainfall is more than ?

What is average value of rainfall in India ?

In snow ice crystals have density of ?

Intensity of precipitation during drizzle ?

Hail are lumps of ice with particle size greater than ?

As per WMO convention Graupel have particle size ?

Annual average rainfall is average of annual rainfall for  how many years ?

What is Index of Wetness ?

A numerical index, often expressed as a percentage, corresponding to the ratio of the runoff from a basin in a given year to the annual average.

Index of Wetness is >100% hence it is called ?

Metrological drought is that in which deficiency is grater than ?

When a year is called a drougth year ?

When area affected by drought is more than 20%

What is drought prone area ?

If drought occurs in an area with a probability of 0.2-0.4. And if >0.4 it is called cronically drought prone area.

Formula for Aridity index ?

It is given by

Ranges of Aridity Index ?

[0,100%]

Values of aridity index and name ?

It is as follows

Metrological Radars use waelength in range of ?

3-10 cm