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Life at Equator and Optimized Correlated Factors

Author: Danut Dragoi, PhD

The long life of Giant Tortoise on St. Helena island, see link in here, Seychelles islands, see link in here, Aldabra island, see link in here, and and Galapagos, see link in here suggests a serious analysis of terrestrial conditions influencing their lives. All these locations are Geographically on or very close (NB-a few degrees off) to the Equator, see the map here for Seychelles islands, Galapagos island map, see link in here, St. Helena island, see map link in here, and Aldabra island, see link in here.

From the experiments on International Space Station, we have a hint that human body relaxes in low gravitation which is a benefit for many living organism. Since the Earth is rotating, the gravitational acceleration is at its minimum at the equator, see link in here. The gravitational acceleration at equator is g(equator)=9.780 m/s/s while that at poles is g(poles)=9.832 m/s/s as expected.

Another positive factor for long life of living cells on Equator is the temperature, which is on average of 27°C on Seychelles island, see link in here. The average pressure on Seychelles islands is around 1013 m Bar, see link in here. The humidity is always high as expected in the middle of the ocean.

Looking at the magnetic map of the Earth we notice a fairly constant distribution of magnetic field inclination (NB-magnetic inclination defined by the angle between the geographic meridian and the direction of the magnetic field line) around equator, see map link in here. The picture below shows a global plot of the general geospatial distribution of magnetic inclination values for 1995.

Image SOURCE: http://fas.org/irp/imint/docs/rst/Intro/Part2_1a.html

The deviation from straight lines in the middle is due to in-homogeneity of the Earth in that area, large mountains running North – South, which contains ferromagnetic elements Iron, Nickel, in different possible compounds. The total intensity of the magnetic field at poles is 65000 nT and 25000 nT at equator (or from 0.25 to 0.65 gauss), see link in here.

Here we remark that the lower magnetic field the better for human body living in natural terrestrial conditions. Another aspect of best human living conditions at equator is the shielding against cosmic radiation, which is considered safer at equator because

• a) the ozone layer destruction does not reach normally the equator, and
• b) the magnetic terrestrial shield is more effective at the equator, where the magnetosphere concept, see link in here, plays an important role.

The influence of extra-galactic changes on the Sun as well as the Sun-Earth environment seems to be both periodic and episodic. The periodic changes in terms of solar maxim and minim occur every 11 years, whereas the episodic changes can happen at any time. Episodic changes can be monitored by cosmic ray detectors as a sudden increase or decrease of activity. During these solar and cosmic anomaly periods the environment of the Earth is affected. The Star-Sun-Earth connection has the potential to influence the thermosphere, atmosphere, ionosphere and lithosphere.

All these factors that are optimized in correlation with terrestrial magnetic field, gravitational field, weather conditions such as temperature and pressure, and cosmic radiation exposure, are favorable for the best life on Earth.

Source

http://www.science.gov/topicpages/e/earth+cosmic+influences.html

http://fas.org/irp/imint/docs/rst/Intro/Part2_1a.html

http://fas.org/irp/imint/docs/rst/Intro/Part2_1a.html

http://us.worldweatheronline.com/mahe-15day-weather-chart/beau-vallon/sc.aspx

http://www.seychelles.org/seychelles-info/weather-when-best-go

https://en.m.wikipedia.org/wiki/Gravitational_acceleration

https://en.wikipedia.org/wiki/Aldabra

https://en.wikipedia.org/wiki/Saint_Helena#/media/File:Topographic_map_of_Saint_Helena-en.svg

https://en.wikipedia.org/wiki/Gal%C3%A1pagos_tortoise

http://www.galapagos.org/about_galapagos/about-galapagos/biodiversity/tortoises/

https://en.wikipedia.org/wiki/Aldabra_giant_tortoise

http://www.seychellesnewsagency.com/articles/378/+year-old+Seychelles+giant+tortoise+still+going+strong++meet+Jonathan,+the+worlds+oldest+animal

http://pharmaceuticalintelligence.com/2016/03/02/life-signals-from-napoleon-era/