Trade Routes (Oceanic)

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The 4 Principle Oceanic Gyres
Geographical Information
Location: Southern Sea
Geographical Features: Oceanic Currents/Gyres, Changing Wind Directions, Icebergs, Oscillation, & Cold-to-Warm Water Exchanges
Dangers: Variable climates, sea ice, pirates (along southern routes), sea fog, & cyclones


Since the age of sail, individual nations have explored the world and traversed the many oceans that interweave it. As such, the concepts of Trade Winds and Westerlies has led to a greater discovery of oceanic gyres that are formed along these routes. Each track of swirling sea currents have since been documented and accumulated into four main trade routes.

Description

As wind direction changes with latitude, oceanic currents interpret the changes into a vortex-like spin on a large scale. However, the direction of the gyres widely depends on which hemisphere they're located in.

Northern Currents

In the north, the currents/routes move clockwise. This is due to the wind direction just above the equator, which blows from west to east. As such, the current carries warm equatorial waters up north to Panguro, Taopai, and Xiunhai-La, which influence and moderate the climates in the southern regions as much as possible. However, when the current runs past the Polar Ice Fields, sea ice is often carried out along the route, turning waters frigid for much of their way back to the northern peninsula of Veth.

Southern Currents

In the south, currents rotate counterclockwise. The interchange of wind direction is effectively reversed in this particular hemisphere. As such, equatorial waters are carried down to Bahija, lending to it's unusual tropical climate despite the distant latitude in which it's located.

While the gyre that resides on the eastern half remains relatively moderate in terms of temperature, the South Sea is ensnared by the presence of sea ice that gets carried up from Alesia. This, in particular, has a drastic effect on the relative climates that plague the southern peninsula of Veth.

Southern Oscillation

The South Sea is a cold body of water, who's current is perpetually cold due to it's isolation along the particular hemisphere it's located in. This, in turn, creates the infamous Southern Oscillation that drags sea ice north and creates the frigid waters the heavily weigh in on Veth's southern coastlines.

Influence on Veth

Every one of the four major gyres ends up exacting some measure of influence on the central continent. Warm waters along the eastern coastline create levels of precipitation that make Taj Jahan's shores relatively lush. But due to weak winds along this latitude, the moisture does not get pushed westward easily. What little rain does move inward generally is captured by the mountains before ever making it to Najjir.

Peninsulas

Due to mostly cold waters reaching the northern and southern peninsulas, aridity dominates both tips to some measure. However, due to the fact that both tips are generally fed from the east by moisture, the currents mostly affect aquatic life.

Because the waters are lower in temperatures, marine habitats are able to thrive along the western coastlines of either tip. This is perhaps why population centers dominate the southern half of Veth. The topography of this region has allowed for adequate trade routes to exist, both on land and by sea. The northern peninsula does not enjoy the same fruitful climate, nor does it host a terrain friendly to land routes. As a result, the uninhabited coastlines along the continent's northern shores host some of the most prosperous environments for marine life.

Arangoth

The Southern Oscillation is one of the main reasons that Arangoth experiences seasonal weather more on par with continental climates. Cold waters influence the temperature and become exacerbated in winter, when sea ice along Alesia grows and is subsequently carried upward along Veth. It is routine for snow storms to come off of the South Sea in the colder months. This in radical contrast to Bahija, which resides at a much lower latitude, yet enjoys tropical weather for most of the year.