Final answer:
Corona, presumably referring to the pandemic, does not have a direct impact on Earth's albedo. However, changes in human activity during the pandemic could potentially influence albedo. The albedo effect varies with surface character and aerosols, with natural and human-induced changes impacting albedo differently.
Step-by-step explanation:
The question asks whether Corona is increasing or decreasing the albedo effect. Albedo refers to the reflectivity of Earth's surface. Surfaces like snow and clouds, with high albedo, reflect sunlight, whereas darker surfaces, such as oceans and forests, absorb more sunlight. Light-colored objects have a higher albedo, which keeps them cooler by reflecting solar radiation, and darker-colored objects have a lower albedo, which increases their temperature due to more solar absorption.
When considering the Corona virus pandemic, while it has not had a direct impact on albedo, the changes in human activity during the pandemic could indirectly influence albedo. For example, decreases in industrial activity could reduce soot and particulate emissions, potentially increasing Earth's albedo temporarily. However, climate effects of aerosols differ based on their composition and point of emission. Soot (black carbon) can decrease albedo by darkening surfaces, while sulfates from volcanic eruptions can increase albedo by reflecting sunlight.
As more ice melts due to global climate change, it exposes darker water, which absorbs more sunlight and further decreases albedo, leading to a feedback loop of warming. Changing land use, such as deforestation or urbanization, also influences local albedo, and these changes have various regional effects.