What is the formation of headland and bays? What are shanty town improvement schemes? Lalamove Customer Service, 0 1 . TimesMojo is a social question-and-answer website where you can get all the answers to your questions. Wave Refraction and Coastal Defences. Wave refraction has its greatest effect on irregular shorelines with deep bays and projecting headlands. The bands of harder, and more resistant, rocks are eroded at a slower rate. Over time, deposition will occur in the bays and so forming beaches. A bay is an inlet of the sea where the land curves inwards. Headlands and bays are often found on the same coastline. Why are deserts located along the tropics? The areas where the soft rock has eroded away, next to the headland, are called bays. Can the risks of volcanic eruptions be reduced? Watford Academy Trials 2021, The bands of soft rock, like . They also can be made by people mining off the coast. This results in the areas of softer rock to retreat, forming bays, whilst the hard rock is eroded slower so will form headlands. *Discordant coastline - A discordant coastline occurs where bands of different rock type run perpendicular to thecoast. In both cases, the soft rock erodes, leaving a hard ledge over which the stream falls. Where the soft rock erodes bays are formed either side of the headland. The bands of soft rock, such as sand and clay, erode more quickly than those of more resistant rock, such as chalk. The areas of soft rock are more easily and quickly eroded whereas the harder rock is more resistant to processes of weathering and erosion. Rocky shores are found where the sea meets the land. The Marin Headlands has an amazing richness of history and biological diversity. Image by Byron Inouye Refraction and diffraction affect the amount of wave energy reaching a coastline. Bays are flanked by headlands which are exposed rocky outcrops positioned at 90 perpendicular to the bay. ismael miranda esposa; toco toucan fun facts; devil whispering in ear drawing; the estate yountville address; natalie viscuso age; specter roblox spirit box questions 8 Where does the erosion of a headland take place? This results in the areas of softer rock to retreat, forming bays, whilst the hard rock is eroded slower so will form headlands. How has rainforest vegetation adapted to the climate? Mit Z Center Reservations, Headlands and bays are often found on the same coastline. This results in the areas of softer rock to retreat, forming bays, whilst the hard rock is eroded slower so will form headlands. Wave refraction and diffraction cause converging wave fronts on headlands and diverging wave fronts in bays. How did the temperate deciduous woodland get like this? Why do headlands and bays change over time? Softer rocks wear away more quickly than harder rocks. Why might you find calm water inside a bay? Cliff Profiles & Bedding Layers. This leaves a section of land jutting out into the sea called a, . Beaches. How are headlands and bays formed simple? Brackish water has a greater salt content than freshwater, but not nearly as much as the ocean. 1 0 3 Explain how a coastline of headlands and bays forms and changes . What factors affect population density and distribution? The Chesapeake Bay is the largest estuary in the United States and is one of the most productive bodies of water in the world. Due to wave refraction, irregular coastlines are a temporary feature and there is a cycle which is repeated over thousands of years from straight coastline to irregular coastline The harder rock that is left protruding into the sea is the headland. We use cookies on our website to give you the most relevant experience by remembering your preferences and repeat visits. The Indian plate is subducting beneath the small Burma plate, forming the Sundra Trench. Sandy beaches are often found the sheltered bays where waves lose energy, and their capacity to transport material decreases resulting in material being deposited. Longshore currents are generated when a train of waves reach the coastline and release bursts of energy. The areas where the soft rock has eroded away, next to the headland, are called bays. An irregular coastline of headlands and bays will be straightened by erosion. Headlands are characterized by high breaking waves, much erosion and cliffs. This happens both laterally (as a stream flows across the earth) and vertically (as the stream drops in a waterfall). Sustainable Management of the Tropical Rainforest, Sustainable Management of the Amazon Rainforest. Headlands form along discordant coastlines wherebands of soft and hard rock outcrop at a rightangle to the coastline (see image below). They also can be made by people mining off the coast. How long should you leave Debrox in your ear? The cookie is used to store the user consent for the cookies in the category "Analytics". Over time, deposition will occur in the bays and so forming beaches. Over time, deposition will occur in the bays and so forming beaches. Will you still be able to buy Godiva chocolate? Concordant coastlines tend to have fewer bays and headlands. How is demand for energy changing in the UK? Glacial landscapes. peas and dumplings recipe; wdl homes aberdare prices. Discordant coastlines form where geology alternates between bands of hard and soft rock (see image below). Headlands and bays are often found on the same coastline. This results in the areas of softer rock to retreat, forming bays, whilst the hard rock is eroded slower so will form headlands. This results in the areas of softer rock to retreat, forming bays, whilst the hard rock is eroded slower so will form headlands. One to one online tuition can be a great way to brush up on your Geography knowledge. Tectonic plate movement under the Earth can create landforms by pushing up mountains and hills. For example: Swanage is an example of a headland and bay. Due to the different nature of rock erosion occurs at different rates. The headland, if it overhangs a body of water, can collapse in much less the 250 years. How are bays formed when soft rock is eroded? Along the coastline of Dorset, there are concordant and discordant coastlines. Get your custom essay on . A large bay is usually called a gulf, sea, sound, or bight. Do Men Still Wear Button Holes At Weddings? Read about our approach to external linking. 2022 - 2023 Times Mojo - All Rights Reserved As a headland becomes more exposed to the full force of the waves, it becomes more vulnerable to erosion than the sheltered bay. Home | About | Contact | Copyright | Report Content | Privacy | Cookie Policy | Terms & Conditions | Sitemap. Performance cookies are used to understand and analyze the key performance indexes of the website which helps in delivering a better user experience for the visitors. They support a diverse mix of plants and animals which have adapted to survive this habitat's unique conditions. Over time, deposition will occur in the bays and so forming beaches. Opportunities and Challenges in the Sahara Desert, Opportunities and Challenges in the Thar Desert, Opportunities and Challenges in the Western Desert. Geology is the study of the types of rocks that make up the Earth's crust. Bands of soft rock such as clay and sand are weaker therefore they can be eroded quickly. Which direction do I watch the Perseid meteor shower? Over time, deposition will occur in the bays and so forming beaches. Nirvana In Utero Shirt Long Sleeve, The movement of the material is known as longshore drift . The bands of soft rock, such as sand and clay, erode more quickly than those of more resistant rock, such as chalk. The sea erodes the softer rock faster than the harder rock, forming a bay. What is difference between ocean and sea and bay? These formations happen over time as waves crash into the land and gradually erode the soft rock. Over time, deposition will occur in the bays and so forming beaches. 41 East Street Winchester, Ma, How does the eroded material get carried along the coast? Do Instacart shoppers pay with their own money? Is a spit erosional or depositional? (adsbygoogle = window.adsbygoogle || []).push({}); A headland is a cliff that sticks out into the sea and is surrounded by water on three sides. Castleton A tourist honey pot in The Peak District, Case Study Inner City Redevelopment Londons Docklands. Over time, deposition will occur in the bays and so forming beaches. Coves are formed by differential erosion, which occurs when softer rocks are worn away faster than the harder rocks surrounding them. How do I know if my valve spring is broken? Spits, which may be composed of sand or shingle, are formed by the longshore movement of sediment. .wpb_animate_when_almost_visible { opacity: 1; }. Limestone Case Study Malham, The Yorkshire Dales. Distribution of earthquakes and volcanoes, Effects of earthquakes and volcanoes on people and the environment, Reducing the impacts of earthquakes and volcanoes, Population and settlement iGCSE Geography, The main causes of a change in population size, A country with a rate of high population growth China, A country which is over-populated Bangladesh, A country which is under-populated Australia, A country with a low rate of population growth or decline Japan. Headlands and bays are formed when there are parallel sections of softer and harder rock perpendicular to the coast. A spit is an extended stretch of beach material that projects out to sea and is joined to the mainland at one end. The coastline will be made of bands of hard and soft rock to begin with. Oceans, as every one knows, are the largest water bodies in the globe. Bays form where weak rocks, such as sands and clays, are eroded, leaving bands of stronger rocks, such as chalk, limestone, or granite, forming a headland, or peninsula. 8 study hacks, 3 revision templates, 6 revision techniques, 10 exam and self-care tips. The River Tees landforms of erosion and deposition, Case Study Ganges/Brahmaputra River Basin, Geological time is on a different time to human time, Different rocks create contrasting landforms and landscapes. The Bay of Bengal, the largest bay in the world, was formed by plate tectonics. How do I contact TV Licensing in Ireland? A dunes windward side is the side where the wind is blowing and pushing material up. The difference between sea and gulf is that the sea is a larger body of saltwater, and the gulf is a smaller body of saltwater, both originating from the ocean. Some form when the movements of a large body of water erode the shoreline, causing a convex indentation in the land. A bay does not have enough water to make waves. When a wave reaches a beach or coastline, it releases a burst of energy that generates a current, which runs parallel to the shoreline. Headlands and bays form on discordant coastlines, where bands of rock of alternating resistance run perpendicular to the coast. The cookie is used to store the user consent for the cookies in the category "Other. What is the structure of the tropical rainforest? EMMY NOMINATIONS 2022: Outstanding Limited Or Anthology Series, EMMY NOMINATIONS 2022: Outstanding Lead Actress In A Comedy Series, EMMY NOMINATIONS 2022: Outstanding Supporting Actor In A Comedy Series, EMMY NOMINATIONS 2022: Outstanding Lead Actress In A Limited Or Anthology Series Or Movie, EMMY NOMINATIONS 2022: Outstanding Lead Actor In A Limited Or Anthology Series Or Movie. Where are Temperate Deciduous Woodlands Located? Over time, deposition will occur in the bays and so forming beaches. The areas where the soft rock has eroded away, next to the headland, are called bays. Necessary cookies are absolutely essential for the website to function properly. Dunes form when wind blows sand into a sheltered area behind an obstacle. Do you need underlay for laminate flooring on concrete? What landforms might you expect to see? Racine Lacrosse Tournament, Have a Free Meeting with one of our hand picked tutors from the UK's top universities. How do headlands and bays change over time? A bay and headland are developed when seawater attacks part of the coastal land with alternating bands of soft and hard rocks. The Marin Headlands is known for its unique geology, its fog-swept coastal prairie ecosystem, and its many chapters of history. Headlands are formed from hard rock, that is more resistant to erosion, such as limestone, chalk and granite. What is the difference between bays and headlands? Water quality and pollution management in the UK. The eroded material piles up in the bay forming a beach. What should I do if I have high LDL Chol Calc NIH? These rocks further erode to form a circular bay with a narrow entrance, called a cove. The important parameters of a wave are its amplitude, wavelength, and speed. How have animals adapted to the rainforest environment? What is the role of transnational companies in Nigeria? The headlands are formed by the hard rocks such as limestone and chalk while the bays are formed as a result of the sweeping away of the soft rocks like clay and sand. A headland of considerable size often is called a cape. Cuspate forelands, also known as cuspate barriers or nesses in Britain, are geographical features found on coastlines and lakeshores that are created primarily by longshore drift. is that headland is a bit of coastal . Although a destructive waves swash is much stronger than that of a constructive wave, its swash is much weaker than its backwash.This means that these waves can transport beach material back into the sea and lower the height of beaches in winter. The bands of soft rock, such as sand and clay, erode more quickly than those of more resistant rock, such as chalk. As the waves erode the coastline, the soft rock will be eroded quicker. Braintree Customer Service Hours, Chris Cornell Gifts, The cookies is used to store the user consent for the cookies in the category "Necessary". The areas where the soft rock has eroded away, next to the headland, are called bays. Human and physical factors causing river flooding. This causes the energy to be concentrated and the erosive power to increase. A headland is an area of resistant rock that extends from the coastline into the sea. Bays form in many ways. What type of coast would we find at the headland? Beaches are mostly associated with the sea or the ocean. paul keller father; st petersburg yacht club menu. Headlands and bays result from coastlines that are formed of alternate sections of hard and soft rock. Tunisia Case Study. As the waves erode the coastline, the soft rock will be eroded quicker. How can we increase the amount of food produced globally? As the waves erode the coastline, the soft rock will be eroded quicker. The areas where the soft rock has eroded away, next to the headland, are called bays. In contrast, a bay is surrounded by land on three sides. Concordant Coastlines This type of coastline is one where only one type of rock is facing the sea. Examples of discordant coastlines are Bantry Bay and Dingle Bay found in Ireland while an example of a concordant coastline is Lulworth Cove. Weathering and mass movement in river valleys. In areas where the geology or rock type runs at right angles to the coastline, bays and headlands can be created . What is natural observation in psychology? Post by; on australian soldiers reputation in vietnam; mayra's hair salon narragansett, ri Weathering & wave erosion cause a NOTCH to form at the high water mark. This is because the majority of energy is directed onto the headlands as they now stick out, causing reduced energy to reach the bay areas - resulting in deposition. Deposits of softer rocks erode more rapidly, forming bays, while harder rocks erode less quickly, leaving headlands. A shoreline can be defined as the region where the water bodies such as lakes, seas, and oceans meet the land. Bays form in a number of different ways. In some areas of the United States, this area is known as the Turnrow. Alternating layers of hard and soft rock allow the sea to erode the soft rock faster, forming a bay but leaving hard rock sticking out, known as a headland. Don't use plagiarized sources. The period (T) is the time between passage of successive wave crests (or troughs). Over time, deposition will occur in the bays and so forming beaches. As waves bend around headlands and into embayments, for example. Where the coasts has the same type of rock along its length fewer bays and headlands are formed as the rate of erosion tends to be similar. When a stretch of coastline is formed. Headlands form in areas of alternating hard and soft rock. The Gulf of Mexico, bordered by the United States, Mexico, and the island nation of Cuba, is the worlds largest gulf. how do headlands and bays change over time. Waves in the middle of the bay, where the water is deeper, do not lose velocity as . Formed by accretion and progradation of sand and shingle, they extend outwards from the shoreline in a triangular shape. Question 3 continues on the next page . Headlands and bays, such as Swanage Bay, form on discordant coastlines, where hard and soft rock run in layers at 90 to the water. Headlands and bays are formed when there are parallel sections of softer and harder rock perpendicular to the coast. What is the location and importance of Rio de Janeiro? TimesMojo is a social question-and-answer website where you can get all the answers to your questions. This cookie is set by GDPR Cookie Consent plugin. What are Mumbais social and economic opportunities? As the waves continue to grind away at the crack, it begins to open up to form a cave. The differing resistance to erosion leads to the formation of headlands and bays. As the waves erode the coastline, the soft rock will be eroded quicker. Spit Junction and The Spit named after the tip of the peninsula jutting into Middle Harbour. A bay is an inlet of the sea where the land curves inwards. What are the impacts of industry on the physical environment? After Durlston Head, the strata stop alternating and the coastline is made up of hard rock. Discordant coastline. Bays form in many ways. Consequently, a portion of land is left protruding out of the sea called headland. What are wave-cut platforms and how are they formed? Hello world! Watford Academy Trials 2021, Changing rates of rainforest deforestation. }; A case study of a sparsely populated area Himalayan Mountains, A case study of a densely populated area Greater London. The headlands remain protruding out further than the bay. A headland is an area of land that is surrounded by water on three sides. Extreme weather in the UK Beast from the East, Extreme Weather in the UK Summer Heatwave 2018. They consist of more resistant rock, e.g. Coastal landforms are the landforms along the coastline that are mostly formed by erosion and sediments from waves, longshore currents, rip currents, tides, and climatic factors like wind and rainfall, and temperature include headlands, cliffs, bays, spits, salt marshes, and beaches. How has urbanisation helped Nigeria to develop? how do headlands and bays change over time. 19721992Josie Inglem. This process forms bays. How do headlands and bays form on concordant coastlines? Open Ocean Waves: As a wave passes, water molecules rise up and move forward (in the direction of wave motion) until the crest passes. Bays are more sheltered with constructive waves which deposit sediment to form a beach. Landforms in the middle course of a river. Headlands are characterised by high, breaking waves, rocky shores, intense erosion, and steep sea cliff. Save my name, email, and website in this browser for the next time I comment. Cape (geography) Cape Agulhas Headlands and bays Ras Nouadhibou Cape Correntes. For this to occur, waves must have limited energy, so beaches often form in sheltered areas like bays . The word "estuary" is derived from the Latin word aestuarium meaning tidal inlet of the sea, which in itself is derived from the term aestus, meaning tide.There have been many definitions proposed to describe an estuary. Older Version Of Nzxt Cam, The bands of soft rock, such as sand and clay, erode more quickly than those of more resistant rock, such as chalk. Due to the action of waves & weathering. The Formation of Coastal Landforms Coastal landforms are formed in several different ways and can depend on several factors. The angle of the slope steep slopes erode more violently and frequently. 2B.2B Concordant and Discordant Coast Morphology. Its coastline has examples of many erosional and depositional landforms. Swash Aligned Coasts: are produced where the waves break in line (parallel) with the coast. Man Utd Vs Man City 2007/08, For example, the North Sea borders the Atlantic Ocean. However, you may visit "Cookie Settings" to provide a controlled consent. Why do bays and headlands erode at different rates? The fog shrouds all the lost souls, the lovers and the grifters, that populate the universe of film noir. Bays usually occur on oceans, lakes, and gulfs, and generally not on rivers except when there is an artificially enlarged river mouth. Headlands and Bays In areas where hard rock and soft rock are next to each other, headlands and bays will form. The differing resistance to erosion leads to the formation of headlands and bays. Overtime the softer rock is worn away quicker than the harder rock This leaves the harder rock sticking out to sea and the softer rock curves inwards. It is used for. A dune is a mound of sand formed by the wind, usually along the beach or in a desert. Over time, deposition will occur in the bays and so forming beaches. Headlands and bays form on discordant coastlines, where bands of rock of alternating resistance run perpendicular to the coast. What are destructive waves? This process created Swanage Bay, Studland Bay and two headlands, including Durlston Head. Destructive waves erode the areas of softer rock more rapidly to form bays. These cookies track visitors across websites and collect information to provide customized ads. boulder clay) erodes more rapidly than more resistant rock (e.g. Bosque de Palabras . 2014Miriam Stoppardm. This differential erosion creates headlands and bays along discordant coastlines. Have a Free Meeting with one of our hand picked tutors from the UKs top universities. Anak Krakatau & Sunda Strait Tsunami Indonesia Case Study 2018. Advertisement The areas where the soft rock has eroded away, next to the headland, are called bays. Bays and headlands along a discordant coastline. What is migration and why do people migrate? The areas where the soft rock has eroded away, next to the headland, are called bays. How do headlands and bays form BBC Bitesize? Headlands and bays result from coastlines that are formed of alternate sections of hard and soft rock. Which Teeth Are Normally Considered Anodontia. They also can be made by people mining off the coast. The Bay of Bengal, the largest bay in the world, was formed by plate tectonics. How does headlands and bays form and change over time? If you continue to use this site we will assume that you are happy with it. Where are headlands and bays found in the UK? To experience some of the most pristine coastal views that Australia has to offer. Compare and contrast deep ocean thermohaline circulation to the major surface ocean currents? Headlands and bays are often found on the same coastline. In general terms, a bay landform is a body of water that is partially surrounded by land. How do you find the rational number between 3 and 4? Basically, a bay is formed first, which is when the coast erodes and makes kind of a C shape. As the waves erode the coastline, the soft rock will be eroded quicker. As the waves erode the coastline, the soft rock will be eroded quicker. One-to-one online tuition can be a great way to brush up on your Geography knowledge. The areas where the soft rock has eroded away, next to the headland, are called bays. Waves wear down different types of rocks at different rates. Concordant coastlines tend to have fewer bays and headlands. Join MyTutor Squads for free (and fun) help with Maths, Coding & Study Skills. Bays are more sheltered with constructive waves which deposit sediment to form a beach. As the waves erode the coastline, the soft rock will be eroded quicker. Braintree Customer Service Hours, Lesson Summary. It's a site that collects all the most frequently asked questions and answers, so you don't have to spend hours on searching anywhere else. After arriving at the San Francisco International Airport, we got our luggage, rented a car and headed 20 miles north on Highway 280 to the Marin Headlands across the bay from San Francisco. try{ e.c=jQuery(e.c);var i=jQuery(window).width(),t=9999,r=0,n=0,l=0,f=0,s=0,h=0; Spits are also created by deposition. How reliable are economic indicators of development? What is the difference between a gulf and a sea? This results in the areas of softer rock to retreat, forming bays, whilst the hard rock is eroded slower so will form headlands. If theres one easy choice for your lazy day ahead, its spending some time here. A headland, also known as a head, is a coastal landform, a point of land usually high and often with a sheer drop, that extends into a body of water.It is a type of promontory.A headland of considerable size often is called a cape. What are the causes of deforestation in the Amazon? furniture packs spain murcia. Headlands and bays are formed when there are parallel sections of softer and harder rock perpendicular to the coast. A bay is essentially the opposite. When the softer rock is eroded inwards, the hard rock sticks out into the sea, forming a headland . Nirvana In Utero Shirt Long Sleeve, It can also be considered the boundary between the land surface and . Here are some tips on what to do and see in the Marin Headlands before heading south down the coast. The softer areas fill up with sediment eroded from hard areas, and rock formations are eroded away. The sea erodes the softer rock faster than the harder rock, forming a bay. Ti Ph Printing l n v hng u v dch v cung cp my in vn phng, mc my in. . A headland is a peace of land that juts out to the coast, usually characterised by a cliff face. limestone. How can the impacts of climate change be managed? sami bouajila married; kitsap county traffic accidents today; how do headlands and bays change over time This cookie is set by GDPR Cookie Consent plugin. A headland, also known as a head, is a coastal landform, a point of land usually high and often with a sheer drop, that extends into a body of water. Why is there a trend towards agribusiness? 1 Bed. Headlands are formed when the sea attacks a section of coast with alternating bands of hard and soft rock. How will a rocky coastline with headlands and bays change geographically over time with erosion and deposition? Very often, the land areas are called cape s. A bay is an area of water. Our tips from experts and exam survivors will help you through. As a bay is big and comes in with almost the same characteristics as that of the Ocean, it is difficult to make a difference between the two. A bay has less wave activity in comparison. As the headland becomes more exposed to the wind and waves the rate of its erosion increases. Concordant coastlines tend to have fewer bays and headlands. In the normal natural environment the issue of where a person is can be generally left as an implicit, unquestioned assumption. A concordant coastline has the same type of rock along its length. The most widely accepted definition is: "a semi-enclosed coastal body of water, which has a free connection with the open sea, and within which seawater is measurably In synthetic environments, where the biological body cannot enter synthetic space, and especially where a synthetic environment is not real (when real is defined as being the natural environment), this implicit assumption is challenged. Beaches are made up from eroded material that has been transported from elsewhere and then deposited by the sea. Spits are formed where the prevailing wind blows at an angle to the coastline, resulting in longshore drift. As the waves erode the coastline, the soft rock will be eroded quicker. This phenomenon concentrates wave energy on headlands and diffuses wave energy in bays. How is urban planning improving the quality of life for the urban poor in Rio de Janeiro? The bands of soft rock, such as sand and clay, erode more quickly than those of more resistant rock, such as chalk. Nat Tpn Birthday, What characteristics allow plants to survive in the desert? Gulfs and bays are bodies of water that jut into the land; a gulf is larger, sometimes has a narrow mouth, and is almost completely surrounded by land. EMMY NOMINATIONS 2022: Outstanding Limited Or Anthology Series, EMMY NOMINATIONS 2022: Outstanding Lead Actress In A Comedy Series, EMMY NOMINATIONS 2022: Outstanding Supporting Actor In A Comedy Series, EMMY NOMINATIONS 2022: Outstanding Lead Actress In A Limited Or Anthology Series Or Movie, EMMY NOMINATIONS 2022: Outstanding Lead Actor In A Limited Or Anthology Series Or Movie. An example is Guanabara Bay, which formed when the Atlantic Ocean eroded an inlet in South America. Along the coastline of the Isle of Purbeck in Dorset, there are both discordant and concordant coastlines. Headlands form in areas of alternating hard and soft rock. When to go? Theconcordantcoastlinerunsfrom west to eastalong thesouth coast. A tsunami is one the most powerful and destructive natural forces. if(e.responsiveLevels&&(jQuery.each(e.responsiveLevels,function(e,f){f>i&&(t=r=f,l=e),i>f&&f>r&&(r=f,n=e)}),t>r&&(l=n)),f=e.gridheight[l]||e.gridheight[0]||e.gridheight,s=e.gridwidth[l]||e.gridwidth[0]||e.gridwidth,h=i/s,h=h>1?1:h,f=Math.round(h*f),"fullscreen"==e.sliderLayout){var u=(e.c.width(),jQuery(window).height());if(void 0!=e.fullScreenOffsetContainer){var c=e.fullScreenOffsetContainer.split(",");if (c) jQuery.each(c,function(e,i){u=jQuery(i).length>0?u-jQuery(i).outerHeight(!0):u}),e.fullScreenOffset.split("%").length>1&&void 0!=e.fullScreenOffset&&e.fullScreenOffset.length>0?u-=jQuery(window).height()*parseInt(e.fullScreenOffset,0)/100:void 0!=e.fullScreenOffset&&e.fullScreenOffset.length>0&&(u-=parseInt(e.fullScreenOffset,0))}f=u}else void 0!=e.minHeight&&f