Journal 5-2 Sail Around the World
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Southern New Hampshire University *
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SCI207
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Dec 6, 2023
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Uploaded by AgentWater35217
Leticia Pollard-Torres
SCI 207
Journal 5-2: Sail Around the World
Traveling around the world on a sailboat sounds like a wonderful experience. I may invite some
people with me because I don’t want to be alone on a long trip like this. Just the thought of
storms and strong winds scares me. Although I am afraid, I am determined to have an
unforgettable adventure and am excited to explore the world by sailboat with my friends.
Planning for a trip like this requires a lot of preparation like having enough provisions to let us
the whole trip and safety protocols put in place, but I believe if we have all this, and we do it
right it will be worth it. It's going to be a lifetime journey!
To sail around the world, we need to look at the ocean currents and wind conditions. You must
know what to do if the weather becomes rough during a long trip around the world. To
understand this, we need to know where London is since that’s a starting point. London is in the
south-east of England in the Northern Hemisphere. In class, we discussed the Coriolis effect on
moving objects and air masses. Coriolis force makes winds turn right (clockwise) in the northern
hemisphere and left (counterclockwise) in the southern hemisphere. As a result, once I cross the
equator, I'll have to adjust my trip accordingly.
There are also other factors to consider like the fronts and the surface ocean currents. Like winds,
they are affected by Coriolis force, friction, gravity, and the position and shape of continents.
Unlike what you might expect, the Coriolis force causes the surface water to move at 45° to the
right of the airflow in the Northern Hemisphere (to the left in the Southern Hemisphere). Water
at lower levels is set in motion by friction, and its flow is influenced by force. About 100 m
below the surface, the surface current reverses direction and dies out.
Other factors to consider are the three cells: Hadley cells, Ferrel cells and Polar cells. Heat-
driven Hadley cells circulate air between the tropics and subtropics. The Ferrel cells are in the
middle latitudes and the Polar cells can be interpreted as where they are located from the name
(Aguado, Burt). In each of them, there's rising air, sinking air, and low and high pressures
(Aguado, Burt). Hadley cells sink when they reach latitudes of 20-30 degrees, forming
subtropical highs. Due to their weak pressure gradients, subtropical highs produce or carry light
winds. As a result, I might encounter these subtropical highs and experience light winds on my
trip. However, Ferrel cells are found between subtropical and subpolar low latitudes. As they
move away from the north pole, they turn sharply right, creating a westerly wind belt. The
Southern Hemisphere also has westerlies, but they're deflected left. Southern Hemisphere and
cold conditions make the winds of the west stronger.
On my departure from London, I will go through the English Channel. Upon reaching the
southern hemisphere, the vessel will be positioned to the south. Passing the Canary current, I will
encounter weak westerly winds. Now passing the Canary current, I will enter the Caribbean
where I will encounter the Caribbean currents where I will experience strong winds and possible
low-pressure phenomena. The Panama Canal is my next stop as I travel towards the Southern
Hemisphere. Now in the Southern Hemisphere I will ride the winds past Ecuador in South
America and entering the Pacific Ocean where I will experience the South Equatorial currents.
Continuing this path, I will visit Australia, one of my few favorite places I would love to visit. I
can refuel, buy some goods and get some rest. Up next, I will pass Madagascar to enter the
Benguela Current an oceanic current that is a branch of the West Wind Drift. The Benguela
current flows north into the South Atlantic Ocean along the west coast of Africa. Almost back at
the Equator, we enter the Atlantic South Equatorial Current.
Now going into the Northern hemisphere, I encounter tropical currents like the Golf stream
towards the North Atlantic drifting slidingly my vessel more to the north I will finally be back to
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my home from sailing around the world. Lots of stories to share with friends and family. After
this long and difficult voyage, I will take a break for a while.
Reference:
Britannica, T. Editors of Encyclopaedia (2019, March 5). Benguela Current.
Encyclopedia Britannica.
https://www.britannica.com/place/Benguela-Current
Aguado, E., & Burt, J. E. (2014). Understanding Weather and Climate (7th ed.). Pearson
Education (US).
https://mbsdirect.vitalsource.com/books/9780133943672