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how are swamps formed



how are swamps formed

This is why flat dry areas end up as salt flats instead of marshes: water occasionally floods the area, but in a shallow layer it quickly evaporates, leaving salt behind, and there's no chance for lush plants to take root. Tropical swamps have many tree species including palms. How are Bayous Formed? swamps are characterised by stagnant(still, or slowly moving) waters, “Question closed” notifications experiment results and graduation, MAINTENANCE WARNING: Possible downtime early morning Dec 2, 4, and 9 UTC…. What led NASA et al. The ground slopes enough, even in generally flat areas, that water gathers in creeks and rivers instead of standing. Unlike marshes, they have trees and bushes. Bayous usually exist in low lying areas close to the ocean. Countless smaller wetlands formed when large blocks of ice left behind by receding glaciers formed pits and depressions in the land. The Okefenokee Swamp is not technically a swamp. Check out Vasjugan Swamp for example. Can "vorhin" be used instead of "von vorhin" in this sentence? It only takes a minute to sign up. How to avoid boats on a mainly oceanic world? The specific geology underlying each wetland also plays an important role in the formation of ecological communities, as soils derived from different parent rocks have differing structures and levels of fertility. Cypress trees sometimes form large circular-shaped patches of cypress, also known as cypress domes, with larger trees toward the center pond area. The National Geographic and US EPA websites have good information on swamps. They are characterized by water-saturated ground during the growing season and standing or slow-moving water the rest of the time. They can be drained even with medieval technology, and usually will be when mankind encroaches as they're not suitable for growing crops. In England and Wales, people would poke through the moors periodically looking for these deposits and take them to the blacksmith for refining. Wetlands are where the water table is at or near the surface of the land, or where the land is permanently or temporarily (as with the tides) covered by water. The Louisiana Coastal Wetlands are part of a natural deltaic cycle of construction and deterioration. The vegetation comprising the wetland is also variable, depending on a range of factors that include surface water flow, altitude, and rainfall. Yellow Water, Kakadu National Park, Northern Territory Photo: S. Stuart-Smith Wetlands are areas of land where water covers the soil – all year or just at certain times of the year. A brief look at wetlands biomes, what they have to offer, and how they suck. As swamps exist in reality, isn't that, by default, an "easy sell" in a fantasy story? Ancient swamps are important sources of coal, a fossil fuel. If so, how do they cope with it? Cypress swamps, winding waterways, and floating peat mats are a major part of the Okefenokee's habitat mosaic. rev 2020.12.2.38106, The best answers are voted up and rise to the top, Worldbuilding Stack Exchange works best with JavaScript enabled, Start here for a quick overview of the site, Detailed answers to any questions you might have, Discuss the workings and policies of this site, Learn more about Stack Overflow the company, Learn more about hiring developers or posting ads with us. The important thing to note here is that swamps are characterised by stagnant(still, or slowly moving) waters. Feasibility of large and isolated swamp-like enviroment. Thick, wet mud and murky waters make it hard for biologists to move around. How tall are the members of lady antebellum? Who is the actress in the saint agur advert? Novel from Star Wars universe where Leia fights Darth Vader and drops him off a cliff. Can pumice stone be used as castle material on water? So those are your ways to get water; note that this means you can have a wetland in an otherwise dry-ish area, though that's uncommon. They are characterized by water-saturated ground during the growing season and standing or slow-moving water the rest of the time. Thanks for contributing an answer to Worldbuilding Stack Exchange! Now, commence logging operations. To answer your question, there are too many possible ways for a swamp to form. Why did George Lucas ban David Prowse (actor of Darth Vader) from appearing at sci-fi conventions? So most wetlands will be in flat areas with high rain or nearby bodies of water. Whether a wetland is salty or fresh depends on where it's getting its water. If you want a marsh in a rainy area, you can declare the soil is too exhausted and the migrating muck-beasts eat any saplings. Although once thought of as mosquito-filled swamps or bogs, wetlands actually perform many valuable functions. Is it illegal to carry someone else's ID or credit card? If you want a swamp in a relatively dry area, you can declare the soil to be richly endowed, and the trees to be very hardy and slow-growing, able to cope with dry spells. How many spin states do Cu+ and Cu2+ have and why? The Wanaket Wildlife Area, managed by the Confederated Tribes of the Umatilla, is a network of wetlands created through irrigation of pastureland that provides important habitat for many wetland-dependent species. How do people recognise the frequency of a played note? During the Early Permian, the coal swamps of Euramerica continued to flourish in Cathaysia (the tectonic blocks that formed modern day China), and throughout the Permian, coal swamps dominated by seed plants called glossopterids were found on the Southern Hemisphere supercontinent Gondwana (formed from modern day India, Australia, Antarctica, Africa, Madagascar and South America). The Dutch were also keen on reclaiming land, though like Tim says it was late medieval/Renaissance tech that really let it take off. EDIT: I do not have any particular type of swamp in mind. aquifer. Where did the concept of a (fantasy-style) "dungeon" originate? Formation of these swamps begins with bare flats of mud and sand that are thinly covered by seawater during high tides. Higher land lies to the north (the Bacon Terraces), the west (the Tifton Upland) and the East (Trail Ridge). There are additional factors (soil depth, soil fertility, grazing from large animals), but the main one is rainfall. Swamps or wetlands form where water collects on and near the surface of the soil, and it does not drain away and dry out. They are usually teeming with plant and animal life, because of the omnipresent water, but they needn't be: without an inflow of fresh nutrients a wetland can be a tough place to get nutrients. Worldbuilding Stack Exchange is a question and answer site for writers/artists using science, geography and culture to construct imaginary worlds and settings. Climate and Geography . The global climate of the Carboniferous period was intimately linked with its geography. Then there's output. site design / logo © 2020 Stack Exchange Inc; user contributions licensed under cc by-sa. Convert negadecimal to decimal (and back). Use MathJax to format equations. So most wetlands are very flat, allowing water to stick around instead of quickly flowing away. Right now.] World with two directly opposed habitable continents, one hot one cold, with significant geographical barrier between them. This may be surprising: for pre-industrial societies, marshes were a key source of iron ore! All Rights Reserved. Should hardwood floors go all the way to wall under kitchen cabinets? Swamps can be saltwater, fresh water, or a brackish in-between. Why did the scene cut away without showing Ocean's reply? Some tidal freshwater wetlands form beyond the upper edges of tidal salt marshes where the influence of salt water ends. Freshwater swamps are common in inland areas. The Okefenokee is a huge depression, shaped like a gentle saucer tilting south. Swamps can be saltwater, fresh water, or a brackish in-between. Strange life forms would eventually adapt to life there, like the thermophiles of Old Faithful. MathJax reference. This starts out as. How long will the footprints on the moon last? Similarly, vast swathes of tundra are marshy during the summer thaw. Find a low-lying forest, where the ground is relatively flat, and the water-table is close to the surface. Wetlands come in four main varieties, defined by two questions: is the water fresh or salt? Wetlands can form naturally or through animal or human activity. It is a type of sphagnum bog that sits in a layer of peat. They're a pain to traverse, since if you try to walk you'll hit thick mud or deep pools and if you try to boat you'll hit thick mats or sandbars. Over time, the ponds will fill with sediment and form swamps (wetlands dominated by trees or shrubs) and may eventually dry up to form meadows. would I need to create this swamp? Swamps are forested wetlands. Many swamps and wetlands have loads of vegetation in them. I suppose you could have a salt marsh inland, if its water came through large salt deposits, but if so it may not have much life since there'd be no way for saltwater plants or animals to migrate to it. Basin on a mountaintop plateau - how to keep the water salty? Regularly flooded, protected areas develop mangrove swamps in tropical and subtropical regions. I accidentally added a character, and then forgot to write them in for the rest of the series. Marshes are wetlands, continually or frequently flooded by nearby running bodies of water, that are dominated by emergent soft-stem vegetation and herbaceous plants. Seacoasts will have salt marshes (e.g., the U.S. mid-Atlantic coast) or saltwater swamps (e.g., the mangrove swamps of Florida). Other basins without outlets like that of the Great Salt Lake in Utah have accumulated too much salt for marsh growth.. How would you describe the obsession of zi dima? to decide the ISS should be a zero-g station when the massive negative health and quality of life impacts of zero-g were known? Any little dip in the ground will fill with meltwater in the spring and stay water-logged until the fall freeze. Freshwater Swamps Freshwater swamps often form on flat land around lakes or streams, where the water table is high and runoff is slow. Swamps are mysterious ecosystems that are difficult to explore due to the often-saturated terrain and frequently changing water levels. Do PhD students sometimes abandon their original research idea? Like marshes, they are often found near rivers or lakes and have mineral soil that drains very slowly. The marsh vs swamp axis is a little tougher. They are characterized by halophytic (salt loving) trees, shrubs and other plants growing in brackish to saline tidal waters. The anaerobic environment at such depths prevents the complete decay of the plant matter. Is it more efficient to send a fleet of generation ships or one massive one? What circumstances (weather, climate, fauna, wind, etc.) In my fantasy world, I have a large swamp. By using our site, you acknowledge that you have read and understand our Cookie Policy, Privacy Policy, and our Terms of Service. Read up on the English fens for examples, although the tech level was a bit beyond medieval when most of them were drained. [read my Q&A comment and the extra information. While I suspect this would be a LONG answer, and could very likely never happen, what would be ideal is a listing of the general types of swamps, each with a brief explanation on what forms them. Basically, an area will grow trees if there's sufficient precipitation relative to evaporation. In other words, how can I make its existence credible to those who know science? How the Swamp Formed. Making statements based on opinion; back them up with references or personal experience. It is rich in herbaceous flowerin… They may have water in them for the whole year or for only part of the year. They usually occur along river floodplains and in poorly drained basins. Wetlands may be natural or artificial and the If an Earth sized planet had 1.5-5x more or less gravity than that of the Earth, how would it affect the shape of waves in water bodies? When did organ music become associated with baseball? A swamp is a type of wetland where trees are common. Unless I don't understand the context, I don't think people would question the existence of a swamp. The formation of wetlands, including peat swamps, is dependent on a number of factors, such as location in the landscape and total catchment area. What sort of water sources could occur in a world tree? Rainfall in iron-rich uplands would flow down to wetlands and accumulate, aided by bacteria, into lumps of hematite. Is there a general solution to the problem of "sudden unexpected bursts of errors" in software? Can you clarify your end goal? Vasjugan, Everglades, Polessky Swamps, etc all have different genesis and conditions. What prevents a large company with deep pockets from rebranding my MIT project and killing me off? They tend to be small and compact. The diversion of w­ater causes flooding and, as a result, wetlands develop. The Florida Everglades constitutes a unique marsh–swamp combination growing on a limestone base. They include: swamps, marshes billabongs, lakes, lagoons saltmarshes, mudflats mangroves, coral reefs bogs, fens, and peatlands. Inter state form of sales tax income tax? A wetland forms when an area gets significant water input and slow water output. During the course of the preceding Devonian period, the northern supercontinent of Euramerica merged with the southern supercontinent of Gondwana, producing the enormous super-supercontinent Pangea, which occupied much of the southern hemisphere during the … The water can of course come from rain, but it can also bubble up from the ground (rain in higher elevations trickles down and emerges from aquifers in the area of the wetland), or flow in from adjacent bodies of water like the sea, a river, or a lake.

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