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Planet Design Question: Continental Shape & Climate...
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<blockquote data-quote="GuardianLurker" data-source="post: 2650083" data-attributes="member: 786"><p>This assumes your planet isn't rotating retrograde, flip things if it is.</p><p></p><p>1st - channel is the right description; this isn't much wider than the Mediterrean.</p><p>2nd - the interiors of both continents will be VERY dry (like Australia), probably a desert, even without the mountain ranges.</p><p>3rd - remember that the prevailing winds shift as latitude changes - where exactly will be determined by your planet's axial tilt.</p><p>4th - You will have a stong current in the channel, circling between just below the northern tropic to the polar region. You probably won't have any current in the southern reaches of the channel. The northwest coast will have a southerly current (warm at top, cool at bottom), moderating the climate (like our west coast), like wise the southwest will be moderated too (cooling current). The northeast coast will have a northerly current, that will moderate the climate to a smaller extent. The two currents are likely to be opposite sides of the same system, possibly aiding in "BIG Ocean" crossings.</p><p>5th - your channel is home to the beginning of a mid-oceanic ridge. It will be a shallow sea.</p><p>6th - a mid-oceanic ridge does mean earthquakes (probably small and frequent), but your coastal inhabitants will probably be more aware of these as larger-than-normal tides that don't correspond to the lunar/solar cycle, rather than actual tsunamis. The latter will still be present, of course, as will a line of volcanoes (probably with one big one) in the middle of the ocean.</p><p>7th - a shallow sea in the tropical area means *lots* of hurricanes. This will be a *much* bigger problem for your coastal inhabitants than the rare tsunami.</p><p>8th - western continent, channel side will probably have a thin "green" coast, backed by rainshadow desert (extent unknown, there's no real corresponce to Earth for this). Eastern channel side will be very wet. (Flip for the bits in the south.) In both cases, there's probably nothing on the other side of the mountains but desert.</p><p></p><p>If you have Fractal Earth, you can set something like this up fairly easily, especially if you don't have a map yet.</p></blockquote><p></p>
[QUOTE="GuardianLurker, post: 2650083, member: 786"] This assumes your planet isn't rotating retrograde, flip things if it is. 1st - channel is the right description; this isn't much wider than the Mediterrean. 2nd - the interiors of both continents will be VERY dry (like Australia), probably a desert, even without the mountain ranges. 3rd - remember that the prevailing winds shift as latitude changes - where exactly will be determined by your planet's axial tilt. 4th - You will have a stong current in the channel, circling between just below the northern tropic to the polar region. You probably won't have any current in the southern reaches of the channel. The northwest coast will have a southerly current (warm at top, cool at bottom), moderating the climate (like our west coast), like wise the southwest will be moderated too (cooling current). The northeast coast will have a northerly current, that will moderate the climate to a smaller extent. The two currents are likely to be opposite sides of the same system, possibly aiding in "BIG Ocean" crossings. 5th - your channel is home to the beginning of a mid-oceanic ridge. It will be a shallow sea. 6th - a mid-oceanic ridge does mean earthquakes (probably small and frequent), but your coastal inhabitants will probably be more aware of these as larger-than-normal tides that don't correspond to the lunar/solar cycle, rather than actual tsunamis. The latter will still be present, of course, as will a line of volcanoes (probably with one big one) in the middle of the ocean. 7th - a shallow sea in the tropical area means *lots* of hurricanes. This will be a *much* bigger problem for your coastal inhabitants than the rare tsunami. 8th - western continent, channel side will probably have a thin "green" coast, backed by rainshadow desert (extent unknown, there's no real corresponce to Earth for this). Eastern channel side will be very wet. (Flip for the bits in the south.) In both cases, there's probably nothing on the other side of the mountains but desert. If you have Fractal Earth, you can set something like this up fairly easily, especially if you don't have a map yet. [/QUOTE]
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