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The unit of hydrograph for an infinitesimally small during of effective rainfall is called?
The unit of hydrograph for an infinitesimally small duration of effective rainfall is called unit hydrograph. It represents the response of a watershed to a unit input of effective rainfall over time.
What category hurricane has a stormm surge 9-12 feet?
Originally, a storm surge of 9-12 feet was listed for a category 3 hurricane. This association is no longer used as storm surge is influenced by more than just the sustained wind speed used to determine a hurricane's category.
Why is there a lag time between the peak rainfall and peak discharge on a hydrograph?
The lag time between peak rainfall and peak discharge on a hydrograph occurs because it takes time for water to travel through the watershed from where it falls as rain to the main channel of a river. Factors like soil type, topography, land use, and drainage patterns influence the flow pathways and the time it takes for water to reach the stream channel.
What is the difference between normal storm and thunderstorm?
A normal storm is a generic term that can refer to any kind of storm, while a thunderstorm specifically includes lightning and thunder due to the presence of cumulonimbus clouds. Thunderstorms are a type of storm that can produce strong winds, heavy rain, lightning, and sometimes hail.
Which type of weathering only affects the size of a sample?
Mechanical weathering, also known as physical weathering, only affects the size and shape of the rock without changing its mineral composition. This can be caused by processes such as freeze-thaw cycles, root wedging, and salt crystal growth.
How do you contrast a storm hydrograph?
how do you compare and contrast hydrographs
How does the relief of the land effect a storm hydrograph?
The relief of the land significantly influences a storm hydrograph by affecting how quickly water flows into rivers and streams. Steep terrain can lead to rapid runoff, resulting in a sharp rise in discharge on the hydrograph, while flatter areas may allow for slower, more prolonged runoff. Additionally, the presence of features like valleys and hills can create variations in drainage patterns, further impacting the timing and shape of the hydrograph. Overall, the topography plays a crucial role in determining the response of a drainage basin to storm events.
Why does lag time occur in a storm Hydrograph?
Lag time in a storm hydrograph occurs due to the time it takes for precipitation to travel through the watershed to reach the measuring point, such as a river or stream. Factors influencing lag time include the size and shape of the watershed, land use, soil saturation, and infiltration rates. Additionally, delays in surface runoff and subsurface flow contribute to the time difference between peak rainfall and peak discharge. Overall, these factors create a delay that is reflected in the hydrograph's shape and timing.
On a hydrograph what does the area under the curve equal?
Total Volume of rainfall for that storm event
Why is a storm hydrograph useful?
A storm hydrograph is useful because it shows how a watershed responds to a storm event by plotting discharge over time. This helps in predicting peak flows, assessing flood risk, and designing infrastructure to manage stormwater effectively. It also provides valuable information for watershed management and water resource planning.
The unit of hydrograph for an infinitesimally small during of effective rainfall is called?
The unit of hydrograph for an infinitesimally small duration of effective rainfall is called unit hydrograph. It represents the response of a watershed to a unit input of effective rainfall over time.
What is an attenuated peak in a storm hydrograph?
Firstly an attenuation is the reduction in the peak of a hydro-graph as it movesdownstream, resulting in a more broad, flat hydro-graph.Therefore the attenuated peak is the highest point before it attenuates.
What is a flood hydrograph?
A hydrograph is showing the discharge (rate of flow) versus the time past in a specific river point. One of the types of hydrography is called a flood hydrograph, it is used to measure the river's characteristic basically a dual plot of discharge and rainfalls.
The shape of a protein affects what?
Its function
Is shape affects the brightness of the stars?
no
What event of nature in The Scarlet Ibis affects the stories outcome?
the storm
What is does a hydrograph show?
the amount of discharge in a river over a period of time
