PPSC Prelims and Mains Notes-PPSC Test Series
Art Forms of Punjab Punjab has a rich culture and heritage. It is famous for its art and craft. The women of Punjab are not only strong and well built, but they also have a simple heart and a creative imagination that enables them to make original and outstanding arts. In the past, the women … Read more Art Forms of Punjab
Punjab Human Development Index:- Human Development Index The Human Development Index (HDI) is a composite index of human development in education, longevity or health, and in access to opportunities measured in per capita incomes, with the present status of districts in these parameters related with certain absolute achievement positions, or some desirable achievement positions. This … Read more Punjab Human Development Index
National integration has been a very serious and prominent challenge in all the developing countries including India. For a proper analysis of the concept of national integration it is necessary to know the meaning of certain concepts. The first and foremost concept is the term integration itself which may be defined as “a process of … Read more Challenges of National Integration
It is the long term change in the statistical distribution of weather patterns over periods of time Though it has been happening naturally for millions of years, in recent years it has accelerated due to anthropogenic causes and has been causing global warming. UNFCCC defines climate change as – “a change of climate … Read more Climatic changes
An increase in the average temperature of Earth’s near surface air and oceans since the mid-20th century 4th assessment report of IPCC: global temperature increased 74+0.18 degree C during the 20th century. Caused by greenhouse gases Water vapour, Co2, Methane, Nitrous Oxide, Ozone, CFCs (in order of abundance) Since the industrial revolution, the burning of fossil fuels has increased … Read more Global warming
The greenhouse effect is a natural process that warms the Earth’s surface. When the Sun’s energy reaches the Earth’s atmosphere, some of it is reflected back to space and the rest is absorbed and re-radiated by greenhouse gases. It is the process by which radiation from a planet’s atmosphere warms the planet’s surface to a … Read more Greenhouse effect
Climatic Regions of India : Koeppen’s Classification Climate Type Climatic Region Annual Rainfall in the Region Amw (Monsoon type with shorter dry winter season) Western coastal region, south of Mumbai over 300 cm As (Monsoon type with dry season in high sun period) Coromandel coast = Coastal Tamil Nadu and adjoining areas of Andhra Pradesh … Read more Classification of climates, (Koppen and Thornthwaite)
The atmospheric disturbances which involve a closed circulation about a low pressure centre, anticlockwise in the northern atmosphere and clockwise in the southern hemisphere are called cyclones. They fall into the following two broad categories: (a) Extra-tropical or Temperate and (b) tropical cyclones. (a) Temperate Cyclones Temperate cyclones are formed along a front … Read more Tropical and temperate cyclones
Airmasses An airmass is a large body of air with relatively uniform thermal and moisture characteristics. Airmasses cover large regions of the earth, typically several hundred thousand square kilometers. Airmasses can be as deep as the depth of the troposphere or as shallow as 1 to 2 km. Airmasses form when air remains … Read more Air masses and fronts
The temperature is the measurement in degrees of how hot (or cold) a thing (or a place) is. The temperature of the atmosphere is not same across the Earth. It varies in spatial and temporal dimensions. The temperature of a place depends largely on the insolation received by that place. The interaction of insolation … Read more Horizontal and vertical distribution of temperature, inversion of temperature