A tryst with nature #SquirrelAppreciationDay
Friday, January 21, 2022
- Radiation fog: It is formed when heat absorbed by the Earth’s surface during the day is radiated into the air. This heat is transferred from the ground to the air resulting in tiny water droplets forming fog.
- Ground fog: It is a radiation fog formed over the surface of ground and does not reach as high as clouds overhead.
- Advection fog: It forms when warm, moist air passes over a cool surface condensing water vapor and causing fog. Coastal fog is a type of advection fog and is very common along the Pacific coast of the United States of America.
- Valley fog: It is formed during winter in mountain valleys when the cliffs prevent the dense air from escaping.
- Freezing fog: Happens when the liquid fog droplets freeze to solid surfaces. Mountain tops that are covered by clouds are often covered in freezing fog. As the freezing fog lifts, the ground is blanketed by a layer of frost.
- Coastal fog: Coastal fog brings moisture to dry ecosystems and agricultural fields. It cleans the air pollutants and reduces air temperatures during summer.
Some animals and insects in desert climates depend on wet fog as a primary source of water. A few coastal communities use fog nets to extract moisture from the atmosphere where groundwater pumping and rainwater collection are insufficient. As greenhouse gasses trap more of the sun’s heat on the planet’s surface the key ocean currents are shifting which affect the position and direction of winds that form fog. A reduction in fog threatens ecosystems that depend on it.
A tryst with nature #fog
This post is part of Blogchatter's CauseAChatter
Monday, January 17, 2022
“Colours are the smiles of nature” - Leigh Hunt
A tryst with nature #mandarinduck.
Thursday, January 13, 2022
"Every breath of air that we take, every mouthful of food that we take comes from that the natural world. If we damage the natural world, we damage ourselves." — Sir David Attenborough
Carbon dioxide in air traps the sun’s heat in the earth’s atmosphere causing Green House Effect and makes the environment of earth hotter and hotter. Continous extraction and burning of fossil fuels like coal and oil release carbon dioxide which remains in the atmosphere for several years.
Short lived pollutants like black carbon, methane and ground-level ozone have a higher warming potential. Incomplete combustion of fuels produce these pollutants. Even though black carbon has a lifetime of 4-12 days, the warming impact due to it's presence remains 460-1,500 times higher than carbon dioxide on the climate. Methane gas has a lifetime of 12 years and a warming impact of 84 times higher than carbon dioxide.
Ground-level ozone is formed by the reaction of sunlight with other pollutants like carbon monoxide, methane and nitrogen oxides. It has a lifetime of a few hours to a few weeks and strongly impacts cloud formation, evaporation rates and precipitation levels.
Hence it is essential to reduce air pollution and few activities like promoting ultra low-carbon vehicles, renewable sources of electricity which do not involve combustion, energy efficiency measures and reducing agricultural demand for nitrogen contribute a lot in this context.
Finally to say, the quality of the air we breathe depends mainly on the lifestyle choices we make and by altering our life style wisely reducing air pollution, we will preserve and protect our climate!
This post is part of Blogchatter's CauseAChatter
Wednesday, January 12, 2022
Wednesday, November 10, 2021
Nature alone is antique, and the oldest art a mushroom. - Thomas Carlyle
Fungi and mushrooms are beneficial to our ecosystem by processing dead material, healthy plant growth, nutrition, medicine and creating a healthier environment. Unlike plants, mushrooms cannot photosynthesize since they lack chlorophyll. Hence, they survive using special methods such as symbiosis, saprophstiym and parasitism.
Symbiosis: Many mushrooms are linked to trees by symbiosis. They help the tree extract minerals and water from the soil and in exchange, the tree supplies the mushroom with carbohydrates.
Saprophstiym: A few mushrooms feed themselves by digesting the organic matter and at the same time returns nutrients to the soil.
Parasitism: Some microscopic mushrooms are parasites. A few attack a healthy host (tree, plant or insect) and live on it without killing it while others attack unhealthy hosts, thereby hastening their death.
Some mushrooms remain poisonous in order to protect themselves from being eaten and that they can reproduce. A few non-poisonous ones use the opposite strategy. They need animals to eat them in order to spread spores through faeces. Presenting a few colourful poisonous mushrooms which I came across this autumn.
A tryst with nature #fungi
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