groin definition ocean

A fungal infection of the skin of the groin area, occurring more commonly in warm weather and among males and characterized by red ringlike areas,... Jock itch - definition of jock itch by The Free Dictionary. • GROIN (noun) The noun GROIN has 3 senses:. bream (41% of total catch), sea trout (11%), vimba (11 %), barbel (6.5%), pike (5%), zander (4%) and asp (3%). A breakwater is a manmade, offshore structure, built parallel to the shore, and remains unattached to the shore. A groin is a long narrow pile of rocks built perpendicular to the shoreline to keep sand at that beach. The specific pattern of recirculation has important implications for distribution of deposited fine sediments within the groyne field. coastal benches, wave-cut benches or shore platform is the narrow flat area often found at the base of a sea cliff or along the shoreline of a lake, bay, or sea that was created by the action of waves.Wave-cut platforms are often most obvious at low tide when they become visible as huge areas of flat rock. They maintain a channel to prevent ice jamming, and more generally improve navigation and control over lateral erosion, that would form from meanders. There are several projects, concepts and scenarios, how to avoid harmful effects of Włocławek dam. [citation needed] In 1867, the first concrete groyne was built near East Street and it is a free promenade of 195 ft length. Groins are intended to trap sand moving in longshore currents. Check for athlete's foot (tinea pedis) and treat it if you have it. The groin vault was introduced early, used in Roman architecture. Thesaurus: … See more. Henn Timm, ... Marina M. Mel'nik, in Rivers of Europe, 2009. Wind, tides, and differences in temperature and salinity drive ocean currents.The ocean churns up different types of currents, such as eddies, whirlpools, or deep ocean currents.Larger, sustained currents—the Gulf Stream, for example—go by proper names.Taken together, these larger and more permanent currents make up the systems of currents known … The groin area, also called the inguinal region of the body, can be affected by deep vein thrombosis, or DVT. When a groyne is built to attach the breakwater to the shore it is called a "headland groyne", "bulkhead groyne", "headland breakwater", "T-head groyne" or "T-shaped groyne". A jetty, often very long (thousands of feet), is intended to keep sand from flowing into a ship channel within an inlet and to reduce the cost of channel maintenance by dredging. A coastal protection scheme very often contains combinations of some of the mentioned elements. For instance, we should know which areas that needs the groin installation. Inlet stabilization adjacent to Assateague Island National Seashore, Maryland and Virginia. 2 a low wall built out into the ocean to prevent it from washing away sand and stones from the beach; … Aerial view of Lido di Dante after the 2001 works. A Typical Spit Habitat. ‘When a school passes beneath a pier or drifting boat, or within casting distance of a rock groin or favorite stretch of beach, every bait in its path gets picked up.’ ‘Previously, the Port Authority has come out in favour of an eastern breakwater rail option, which would see a rock groyne extended out into the ocean.’ You can take some preventive measures at home in order to avoid the recurrence of the rash. Four permit applications for construction of a terminal groin have been submitted to the federal U.S. Army Corps of Engineers’ district office: Figure Eight Island, Ocean Isle Beach, Holden Beach and Bald Head Island. Wooden groynes, sheetpile groynes, sandbag groynes, rubble mound or gabion groynes, etc. It is usually made out of wood, concrete, or stone. The term also is used as a synonym for fetch length, which is the horizontal distance over which wave-generating winds blow. Information and translations of groyne in the most comprehensive dictionary definitions resource on the web. groin. Each beach compartment has three components, all involving the movement of sand. This process is known as terminal groyne syndrome, because in a series of groynes it occurs after the terminal groyne (last groyne on the downdrift side of the beach or coastline). The strength of shadow rips increases with increasing wave height, period and angle to shore (Pattiaratchi et al., 2009), and directional spreading of the incident wave field (Castelle and Coco, 2012). The groynes are intended to trap a significant percentage of the long-shore sediment transport, to reduce long-shore currents and to stabilise the nourished beach. When detachment occurs, beach retreat is renewed and additional alteration of the topography occurs. While most laboratory and field studies focus on pressure gradient-driven cell circulation due to diffraction and wave shadowing, modelling work suggests that the offshore current is due to the deflection of the alongshore current (van Rijn, 2011). Bis 1974 war Groin eine eigenständige Gemeinde im damaligen Kreis Rees. By 1961, the south beach had separated from the inner end of the jetty (leaving a gap of almost 240 m of open water), and the following year a storm opened a breach over 1 km wide. Photo by Jane Thomas, UMCES/IAN Image Library. Sand builds up on one side of the groin (updrift accretion) at the expense of the other side (downdrift erosion). Among the several examples cited by Komar (1998), the development of the Port of Madras in India is of particular interest because it was constructed on the open shore in an area of strong longshore drift and because resulting changes have been documented since its construction was sanctioned in 1875 (Figure 15.8). The film ultimately doesn’t lead anywhere that surprising or revelatory, but it works well enough to register as the best horror satire since “Get Out.” Without using much gore, the director generates scenes that are both nightmarish and rather hilarious. Natural accretion is the buildup of land, solely by the action of the forces of nature, on a beach by deposition of water-borne or airborne material. There is also often cross-shore movement which if longer than the groyne will limit its effectiveness. Groin definition, the fold or hollow on either side of the front of the body where the thigh joins the abdomen. Information and translations of groin in the most comprehensive dictionary definitions resource on … Groin definition is - the fold or depression marking the juncture of the lower abdomen and the inner part of the thigh; also : the region of this line. Find the perfect male groin stock photo. The preliminary design may benefit from a simplified representation of the sediment transport distribution. This deprives beaches of sand and initiates erosion on the downdrift side of the structure, while sand deposits updrift where the beach advances seaward. Groynes can be submerged or not under normal conditions. Intertidal definition is - of, relating to, or being the part of the littoral zone above low-tide mark. They can be made of wood, stone, concrete, steel, or fabric bags filled with sand. Figure 15.8. Over the years, life begins to bloom on a spit. This is also known as the medial compartment of the thigh … The dike vertically extending to the coast is called groin, and it can intercept sediment transport along the coast. It blocks the current moving down the beach, called the longshore drift, and holds sand in place and prevents the end of the island from washing away and the channel through the inlet from filling with sand. This glossary of ocean terms defines words and phrases you may have heard but don't quite understand. 1. the crease at the junction of the inner part of the thigh with the trunk together with the adjacent region and often including the external genitals 2. a curved edge formed by two intersecting vaults 3. a protective structure of stone or concrete; extends from shore into the … Groins fail when continued erosion at their landward end causes the groin to become detached, allowing water and sand to pass behind the groin. Changes in the fish community also occured in dammed tributaries. the part of the body where the legs join the main part of the body, including the area around the genitals (= sex organs) She kicked her attacker in the groin. From: Encyclopedia of Ocean Sciences, 2001, D.M. The damp groin is then an ideal site for fungal germs (fungi) to multiply. On the other hand, where there is a net littoral drift no balanced sediment budget can ever be established without bypassing, and the processes of erosion and deposition continue indefinitely. How to use intertidal in a sentence. ... A groin is a long narrow pile of rocks built perpendicular to the shoreline to keep sand at that beach. The entire shoreline has changed for many kilometers on either side of the harbor — severe erosion having taken place to the north (despite attempts to halt it) and dramatic deposition to the south, the shoreline advancing out to sea. The groin built on the silt-muddy coast will form a vortex on the upstream of groin after oblique incident waves are broken, and it will scour silt-muddy beach, and there will be siltation in the downstream side (Fig. Littoral drift is not a constant phenomenon at any given site. In the ocean, groynes create beaches, prevent beach erosion caused by longshore drift where this is the dominant process and facilitate beach nourishment. Groynes can be attracting, deflecting or repelling. -Gases move between the ocean and the atmosphere at the air-water interface. In June 2003, maintenance works supported by the local council (Comune di Ravenna) were performed. It can cause sediment in the sandy coast to have deposition on its upstream section and scour on its downstream section. The breaking point can be assessed using a ratio between depth and significant incident wave height of the order of 1.8 – 2. This was not considered a disadvantage. ... A tree, branch or broken pile embedded in the ocean floor, river, or lake bottom, forming thereby a hazard to vessels. It is usually made of large boulders, but it can be made of concrete, steel or wood. 1. the part of the body where the legs join at the top, including the area around the genitals (= sex organs) She kicked her attacker in the groin. Wikipedia Dictionaries. So other groins are constructed, in self-defense. Groin A low artificial wall-like structure of durable material extending from the land to seaward for a particular purpose, such as to prevent coast erosion. Related terms: ... wall built into ocean to protect beach. ... Sound check: 'Walk on the Ocean' with Toad (Merritt would defend that as the inevitable result of "jock itch.") enlarge image. A groin is intended to build up an eroded beach by trapping littoral drift or to retard the erosion of a stretch of beach. As nouns the difference between groin and breakwater is that groin is the crease or depression of the human body at the junction of the trunk and the thigh, together with the surrounding region while breakwater is a construction in or around a harbour designed to break the force of the sea and to provide shelter for vessels lying inside. Groin definition: Your groin is the front part of your body between your legs. In human anatomy, the groin (the adjective is inguinal, as in inguinal canal) is the junctional area (also known as the inguinal region) between the abdomen and the thigh on either side of the pubic bone. Geographie. noun topics groin -noun See definition in Dictionary area where legs join front of your body. Accretion May be either natural or artifical. Specific patterns of flow in a groyne field are controlled by the geometry of the field: the aspect ratio between the groyne length (Lg) and the streamwise length of the groyne field (Lf).