What does lake crest mean?
Crest: A term used to explain a water level that has reached the highest point it is expected to go. After a river or lake crests, the water will begin to decrease in the coming days.
How is river crest determined?
Gauges along the river record the level of the water, and the highest level recorded at each gauge will be the crest for that gauge. Observers generally know that cresting is occurring when the water level stops rising and becomes stable.
What are crests in water?
The highest surface part of a wave is called the crest, and the lowest part is the trough. The vertical distance between the crest and the trough is the wave height.
Why do rivers crest after a storm?
By the time the route — or the river — reaches the end of its destination, it has a lot of cars — or water — piled up. At that point, it crests. It can take days for rivers to crest, since the water from tributaries is slowly accumulating and flowing downstream.
Is Lake a Scottish name?
The name Lake is of Anglo-Saxon origin and came from when the family lived beside or close to a lake. The surname Lake originally derived from the Old English word lacu which meant lake.
Is the name Lake Irish?
Lake is an English surname. For the numerous British and Irish baronets of that name, see: Lake baronets.
What are crest gauges used for?
Crest-stage gages are used to determine the elevation of a peak stage occurring at a specific location in a stream. A crest-stage gage consists of a length of 14-inch diameter pipe installed in a vertical position in the stream channel (figure 1).
What is the name flood in Irish?
"tuile" means "flood," and the names Tully and Flood were at one time interchangeable in Ireland.
What is a crest in geography?
noun. the highest part of a hill or mountain range; summit. the head or top of anything. a ridge or ridgelike formation. the foamy top of a wave.
What is the meaning of crest and trough?
A crest point on a wave is the maximum value of upward displacement within a cycle. A crest is a point on a surface wave where the displacement of the medium is at a maximum. A trough is the opposite of a crest, so the minimum or lowest point in a cycle.
Why does a river still have water in it after weeks without rain?
Why do rivers continue to flow, even when little or no rain has fallen? Much of the water feeding a stream runs slowly underground through shallow aquifers. These sediments are saturated like natural sponges and respond slowly to rainfall and drought.
Why do rivers sometimes continue to flood after heavy rain?
Causes of flooding Prolonged rainfall – if it rains for a long time, the land around a river can become saturated (it's holding as much water or moisture as can be absorbed). If there is more rainfall it cannot be soaked up, so it runs along the surface – this is known as surface run-off .
What was Scotland first name?
The Scots- and Irish-Gaelic name for Scotland, Alba, derives from the same Celtic root as the name Albion, which properly designates the entire island of Great Britain but, by implication as used by foreigners, sometimes the country of England, Scotland's southern neighbour which covers the largest portion of the …
What is the most popular girl name in Scotland?
The most popular girls' names in Scotland in 2020:
- Emily.
- Freya.
- Ava.
- Sophie.
- Ella.
- Grace.
- Amelia.
- Lily.
What is the name Lake short for?
Popularity:2755. Meaning:Body of water. Lake is a gender-neutral name of British origin, relating to a body of water. The name Lake dates back to the Anglo-Saxon period and is derived from the Old English word lacu.
What is crest level?
A "crest" is the level at which a river peaks before it goes down. Forecasters may issue a "rise to" prediction if they're not yet sure how high a river will crest. "Rise to" means the river is expected to reach a certain level but could crest at an even higher level later on.
What is a crest stage gage?
The metal pipe bolted to the side of the bridge in this picture is a crest-stage gage. It is a low-tech device made of solely of a metal pipe, a wooden pole, and crushed cork that is invaluable to providing a one-time measurement of the maximum height (stage) that a stream hits during a high-water event.
Is flood a Scottish name?
Flood is a traditional Irish and Scottish surname and may refer to: Alexandra Flood (born 1990), Australian operatic soprano, sister of Georgia Flood.
Where did the name Flood come from?
The Irish surname Flood begins was originally the Gaelic MacTuile, O Maoltuile, or Mac Maoltuile. "tuile" means "flood," and the names Tully and Flood were at one time interchangeable in Ireland.
What is an example of a crest?
The definition of a crest is something that is located at the top of something or someone or a symbol of a family name. An example of crest is the comb on a rooster's head. An example of crest is Mount Lyell in Yosemite. An example of crest is feathers in the top of a medieval helmet.
Is a crest a ridge?
A long narrow upper section or crest: the ridge of a wave. 2. a. A long, narrow, elevated section of the earth's surface, such as a chain of hills or mountains or the divide between adjacent valleys.
What trough means?
Definition of trough 1a : a long shallow often V-shaped receptacle for the drinking water or feed of domestic animals. b : any of various domestic or industrial containers. 2a : a conduit, drain, or channel for water especially : a gutter along the eaves of a building.
What is a crest answer?
A crest is a point on a surface wave where the displacement of the medium is at a maximum. A trough is the opposite of a crest, so the minimum or lowest point in a cycle. Was this answer helpful?
What is a river without water called?
In some cases, a river flows into the ground and becomes dry at the end of its course without reaching another body of water. Small rivers can be referred to using names such as creek, brook, rivulet, and rill.
How does a river never run out of water?
Why do rivers continue to flow, even when little or no rain has fallen? Much of the water feeding a stream runs slowly underground through shallow aquifers. These sediments are saturated like natural sponges and respond slowly to rainfall and drought.
What is it called when a river overflows?
Flood caused due to overflow of river due to excessive rainfall which causes a river to exceed its capacity is called flood.
Which part of the river is most likely to flood?
The faster the water reaches the river, the more likely it will flood. Relief – a steep valley is more likely to flood than a flatter valley because the rainfall will run off into the river more quickly. Geology – permeable rocks allow water to pass through pores and cracks, whereas impermeable rocks do not.
What is a Scottish girl called?
4 letter answer(s) to scottish girl LASS.
What do the Scottish call a baby?
Bairn Bairn is a Scottish or Northern English word for child.
What is a rare Scottish name?
Morven (Mor-ven) – The Celtic meaning of the name is given as 'lives by the sea' but the Scottish meaning is 'big peak'. Dolina – An older feminine form of the name Donald that's fallen out of fashion. Eilidh (Ail-lay) – The Gaelic form of Helen. Morag – Gaelic form of Sarah.