On the world in my story, life didn't evolve naturally, which has (among other things) led me to assume there would be almost no limestone (since there has been no millions of years of sea life to form it). (Also no fossil fuels including peat, but that's not such a huge change for their tech level - more or less Bronze Age.)
This has then led me to believe there would be far fewer underground caves, rivers, and aquifers. Almost all of the water on the planet will be on the surface, because the bedrock is not porous. Presumably it would fall, remain in lakes and puddles until it evaporated again, and repeat. I assume this would have a significant impact on the climate, and I'd like to know if anyone who understands weather better than I do had some insights for me. Presumably overall the world would be relatively humid (the world is somewhat warmer than ours, just because I'm cold-fantasied out) and I have the impression that the water would make the weather somewhat more volatile or extreme, with more fluctuations in temperature, though I can't really justify that impression except that I assume water varies temperature more than solid ground.
It was pointed out by a friend that this would also mean a lot of large, shallow lakes where the water collected in depressions on the surface, and I hadn't thought about that, so I'm interested if anyone if anyone had thoughts on geography. I'm from a pretty arid place, so it's all pretty intellectual to me. I heard about lagoon deserts, and I thought that sounded like something which would exist, as well as lots of marshland and meandering rivers, but it's an uneducated guess.
I thought of a couple effects it would have on civilization - they can't commonly use wells for water, there's no marble (metamorphized limestone), no limestone for impressive stone construction, and it's a lot harder to make cement and plaster. I'm curious if anyone else knows any effects I've overlooked.
Thanks and thanks for reading this all.
A world without limestone? Climate and geography... and other effects?
This has then led me to believe there would be far fewer underground caves, rivers, and aquifers. Almost all of the water on the planet will be on the surface, because the bedrock is not porous. Presumably it would fall, remain in lakes and puddles until it evaporated again, and repeat. I assume this would have a significant impact on the climate, and I'd like to know if anyone who understands weather better than I do had some insights for me. Presumably overall the world would be relatively humid (the world is somewhat warmer than ours, just because I'm cold-fantasied out) and I have the impression that the water would make the weather somewhat more volatile or extreme, with more fluctuations in temperature, though I can't really justify that impression except that I assume water varies temperature more than solid ground.
It was pointed out by a friend that this would also mean a lot of large, shallow lakes where the water collected in depressions on the surface, and I hadn't thought about that, so I'm interested if anyone if anyone had thoughts on geography. I'm from a pretty arid place, so it's all pretty intellectual to me. I heard about lagoon deserts, and I thought that sounded like something which would exist, as well as lots of marshland and meandering rivers, but it's an uneducated guess.
I thought of a couple effects it would have on civilization - they can't commonly use wells for water, there's no marble (metamorphized limestone), no limestone for impressive stone construction, and it's a lot harder to make cement and plaster. I'm curious if anyone else knows any effects I've overlooked.
Thanks and thanks for reading this all.
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