by Gelogia Team | Apr 27, 2025 | Physical Geology & Geomorphology
There are some gases that absorb infrared radiation (IR) from the sun and radiate heat in all directions. These gases are called greenhouse gases. Greenhouse gases in the Earth’s atmosphere absorb IR from the sun and release it. The Greenhouse Effect: Both solar heat...
by Gelogia Team | Apr 26, 2025 | Historical Geology
Sea level has never been constant throughout Earth’s history. It has risen and fallen over geological time due to various natural processes. This blog explores the cyclic patterns of sea level fluctuations in the geologic past, the role of oxygen isotopes, and the...
by Gelogia Team | Apr 25, 2025 | Structural Geology
The sea level means the level of the surface of the sea. It is the mean position or midway between the mean high and mean low water levels, computed from the records of tidal oscillations over a long period and seasonal variations. It is defined based on the...
by Gelogia Team | Apr 24, 2025 | Historical Geology
Bangladesh, a South-East Asian country, is located at the lowermost reaches of the Bengal Basin. The Quaternary sediments (began about 2 million years ago and extend to the present), deposited mainly by the mighty rivers—the Ganges, Brahmaputra, and Meghna—cover about...
by Gelogia Team | Apr 23, 2025 | Physical Geology & Geomorphology
Thematic maps present geographic data through visual techniques, allowing patterns, distributions, and relationships to emerge clearly. They effectively communicate complex spatial information using color, symbols, and density representations. Types of Thematic Maps:...
