The Titisee is a lake in the southern Black Forest in Baden-Württemberg . It covers an area of 1.3 km (320 acres) and is an average of 20 m (66 ft) deep. It owes its formation to the Feldberg glacier , the moraines of which were formed in the Pleistocene epoch and nowadays form the shores of the lake. The lake's outflow, at 840 m (2,760 ft) above sea level , is the River Gutach , which merges with the Haslach stream below Kappel to form the Wutach . The waters of the Titisee thus drain eventually into the Upper Rhine between Tiengen and Waldshut . On the north shore lies the spa town of the same name, today a part of the municipality of Titisee-Neustadt .
26-399: A glacial lake is created when the glacier remains stationary for a long time and the weight of the glacier excavates the landscape. Where the glacier is less powerful, the subsoil is less excavated and rises. In addition, it is possible that a moraine (deposit of rock material that is transported with the glacier) prevents the runoff. When the ice melts, water is dammed up to the moraine and
52-538: A landing strip for small aircraft . On 14 January 1966, a tractor with a snowplough was clearing the landing strip of snow when it broke through the ice and sank to the bottom of the lake, taking the driver, Walter Wilde (29), with it. His body was only recovered 2 weeks later. In the nutrient-poor Titisee there are large predatory fish ( pike-perch , sea trout and a large stock of pike ), schooling fish ( whitefish , roach and perch ) as well as carp , chub and tench in shallower areas. This variety of species
78-472: A general stratigraphic sequence of organic muds, glacial clays, silty clays, and sands based on time of formation. Over time the glacial lake sediments are subjected to change. As seen in the English Lake District , the layers of the sediments at the bottom of the lakes contain evidence of the rate of erosion. The elemental make up of the sediments are not associated with the lakes themselves, but by
104-577: A lake is created. The Titisee owes its formation to the last ice age ( Pleistocene ). Up until 10,000 years ago, a glacier stretched from the Feldberg to what is now Lake Titisee. The basin carved out by the glacier and the terminal moraine form the Titisee today. The first records of the lake date to 1050 and the abbey of Allerheiligen in Schaffhausen , where the name Titinsee is mentioned. The name Dettesee
130-589: A large population of algae, making the water appear green. Glacial lake sediments also archive changes in geochemistry and pollen records as a result of climate change and human activities. During the transition from the Last Glacial Period to the Holocene climatic optimum , soil development was enhanced, whereas early human activities such as deforestation have resulted in elevated soil erosion. These events can be reflected in geochemistry and isotope signatures in
156-544: A long period of time have a more diverse ecosystem of fauna originating form neighboring tributaries or other glacial refugia. For example, many native species of the great lakes basin entered via the Mississippi basin refugia within the past 14,000 years. Glacial lakes act as fresh water storage for the replenishing of a region's water supply and serve as potential electricity producers from hydropower. Glacial lakes' aesthetic nature can also stimulate economic activity through
182-466: A shallow lagoon. In the case of Iceland's Jökulsárlón glacial lagoon located on the edge of the Atlantic Ocean, tides bring in an array of fish species to the edge of the glacier. These fish attract an abundance of predators from birds to marine mammals, that are searching for food. These predators include fauna such as, seals, arctic terns and arctic skua . Glacial lakes that have been formed for
208-681: A shift from frozen to liquid water, increasing the extent and volume of glacial lakes around the world. Most glacial lakes present today can be found in Asia, Europe, and North America. The area which will see the greatest increase in lake formation is the Southern Tibetan Plateau region from debris covered glaciers. This increase in glacial lake formation also indicates an increase in occurrence of glacial lake outburst flood events caused by damming and subsequent breaking of moraine and ice. The amount of sediment found in glacial lakes varies, and has
234-426: Is a body of water with origins from glacier activity. They are formed when a glacier erodes the land and then melts, filling the depression created by the glacier. Near the end of the last glacial period , roughly 10,000 years ago, glaciers began to retreat. A retreating glacier often left behind large deposits of ice in hollows between drumlins or hills . As the ice age ended, these melted to create lakes. This
260-437: Is also mentioned in a deed from the parish of Saig that dates to 1111. The name of the lake adopted its present from around 1750. In the valleys around the Titisee (Altenweg, Spriegelsbach, Schildwende and Jostal), people usually worked in the agricultural sector, breeding cattle. Craftsmen like blacksmiths , wagon makers and shingle makers would work nearer to the lake. For a long time, there have been scattered farms around
286-539: Is apparent in the Lake District in Northwestern England where post-glacial sediments are normally between 4 and 6 metres deep. These lakes are often surrounded by drumlins , along with other evidence of the glacier such as moraines , eskers and erosional features such as striations and chatter marks . These lakes are clearly visible in aerial photos of landforms in regions that were glaciated during
SECTION 10
#1732858426156312-430: Is joined by brown trout , char and rainbow trout where the streams enter the lake, and by eels and burbot on the lake bed. In addition there are small fish varieties such as sunbleak , minnow and brook lamprey . Around the lake, grey heron may be seen. The shores of the Titisee are home to two rare types of quillworts , the spring quillwort and the lake quillwort . Glacial lake A glacial lake
338-553: Is the most of any order within the vertebrates. However, many of these other families have since been reclassified within their own orders within the clade Percomorpha, significantly reducing the size of the group. In contrast to this splitting, other groups formerly considered distinct, such as the Scorpaeniformes , are now classified in the Perciformes. The earliest fossil perciform is the extinct serranid Paleoserranus from
364-400: The 2020–21 FIS Ski Jumping World Cup . The Titisee takes a long time to freeze over in the winter owing to the winds, which keep the surface of the water moving almost all continuously. For the frozen lake to be opened for use, it must have a solid ice thickness of at least 16 cm (6.3 in) (solid ice or compacted ice has virtually no air pockets). When conditions appear favourable for
390-487: The Acanthopteri , is an order or superorder of ray-finned fish in the clade Percomorpha . Perciformes means " perch -like". Among the well-known members of this group are perch and darters ( Percidae ), sea bass and groupers ( Serranidae ). Formerly, this group was thought to be even more diverse than it is thought to be now, containing about 41% of all bony fish (about 10,000 species) and about 160 families, which
416-601: The Early Paleocene of Mexico , but potential records of "percoids" are known from the Maastrichtian , including Eoserranus , Indiaichthys , and Prolates , although their exact taxonomic identity remains uncertain. The dorsal and anal fins are divided into anterior spiny and posterior soft-rayed portions, which may be partially or completely separated. The pelvic fins usually have one spine and up to five soft rays, positioned unusually far forward under
442-654: The High Black Forest had been unsettled during the first millennium. There are various theories about the origin of the unusual name Titisee : At the north shore of the Titisee lies a popular spa town of the same name. Lots of wellness and health hotels are settled there. Spa therapy offers include Fango applications (mudpack applications with hot, odorless mineral mud), healing climate, Kneipp facilities, moor as well as breathing aerobics, movement therapy in thermal mineral water, relaxation therapy, terrain spa trails, physiotherapy, and medical and wellness massages. In
468-834: The attraction of the tourism industry. Thousands of tourists visit the Jökulsárlón glacial lagoon in Iceland annually to take part in commercial boat tours and every two to four years thousands visit the Argentino glacial lake in Argentina to witness the collapse of the cyclically formed arch of ice from the Perito Moreno glacier , making it one of the largest travel destinations in Patagonia. Perciformes See text Perciformes ( / ˈ p ɜːr s ɪ ˌ f ɔːr m iː z / ), also called
494-465: The chin or under the belly. Scales are usually ctenoid (rough to the touch), although sometimes they are cycloid (smooth to the touch) or otherwise modified. Classification of this group is controversial. As traditionally defined before the introduction of cladistics , the Perciformes are almost certainly paraphyletic . Other orders that should possibly be included as suborders are the Scorpaeniformes , Tetraodontiformes , and Pleuronectiformes . Of
520-410: The lake sediments. Biodiversity and productivity tend to be lower in glacial lakes as only cold-tolerant and cold-adapted species can withstand their harsh conditions. Glacial rock flour and low nutrient levels create an oligotrophic environment where few species of plankton, fish and benthic organisms reside. Before becoming a lake the first stages of glacial recession melt enough freshwater to form
546-557: The lake. At the beginning of the 20th century, the construction of the Höllentalbahn and the onset of tourism led to a central village emerging at the lake. In 1840, two sarcophagi made of worked tuff were found below a knoll by the outflow of the Gutach from the Titisee. In 2011, the archaeologist, Andreas Haasis-Berner, published an article stating that they had to date to the period between 700 and 900. Hitherto, it had been thought that
SECTION 20
#1732858426156572-493: The last ice age . The formation and characteristics of glacial lakes vary between location and can be classified into glacial erosion lake, ice-blocked lake, moraine-dammed lake, other glacial lake, supraglacial lake, and subglacial lake. Since the glaciation of the Little Ice Age , Earth has lost more than 50% of its glaciers. This along with the current increase in retreating glaciers caused by climate change has created
598-484: The migration of the elements within the soil, such as iron and manganese. The distribution of these elements, within the lake bed, are attributed to the condition of the drainage basin and the chemical composition of the water. Sediment deposition can also be influenced by animal activity; including the distribution of biochemical elements, which are elements that are found in organic organisms, such as phosphorus and sulfur. The amount of halogens and boron found in
624-471: The opening the lake, daily ice measurements are taken by the Titisee-Neustadt municipal authorities at three or four places. If opening the ice to public use is possible, and those responsible give it their blessing, specific, demarcated areas of the lake are opened, but never the whole lake. These regulations were put in place after an accident in 1966. Up to that time, the lake had been used in winter as
650-422: The sediments accompanies a change in erosional activity. The rate of deposition reflects the amount of halogen and boron in the deposited sediments. The scouring action of the glaciers pulverizes minerals in the rock over which the glacier passes. These pulverized minerals become sediment at the bottom of the lake, and some of the rock flour becomes suspended in the water column. These suspended minerals support
676-541: The summer, the lake invites tourists to swim, sail, windsurf, hire pedaloes , hike around the lake, and stroll along the promenade. Furthermore, plenty of open-air events are organised around the lake each summer. In winter, the 1.2 km long Saig-Titisee toboggan is open. The largest natural ski jump in Germany, the Hochfirstschanze , is also located at the Titisee. The ski jump is host to various ski jumping events like
#155844